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1. The Importance of High Availability
for B2B Integration
Considerations for B2B e-Commerce Strategists
A G X S W H I T E P A P E R
2. B2B e-commerce is often
not a high priority in
corporate business
continuity strategies.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
A GXS White Paper
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If you asked business or IT executives to list the top 10 mission critical applications
in their enterprise, very few would list B2B e-commerce. For many leaders in the retail,
manufacturing or services sector, B2B e-commerce is not considered a strategic applica-
tion. The attitudes towards B2B are reflected in the investment levels in business
continuity plans for B2B infrastructure. Most corporate disaster recovery managers
focus on internal enterprise applications when developing business continuity strate-
gies. Such a prioritization seems logical upon first consideration. In the event of a
disaster, common sense would suggest that you prioritize the recovery of the applica-
tions your own employees use above those used by your business partners. What many
IT leaders fail to consider is that without operational B2B platforms, many internal
applications, such as ERP, lack the data needed to operate and are therefore significant-
ly handicapped. In fact, enterprise dependency on B2B applications has grown substan-
tially in recent years as businesses have become more dependent upon their partners.
Today, B2B is an application that can be just as critical as CRM, ERP or e-mail.
This white paper will explore the importance of B2B in today’s enterprise environment,
with a focus on the need for highly available, resilient platforms to conduct e-com-
merce. Specifically, the following discussion will explore how:
• Changes in the value chain have made organizations more dependent upon
business partners than ever before.
• B2B information exchange has become so critical that it is one of the top metrics
that customers in many industries use to measure partner performance.
• Many business processes in manufacturing and the services sector are crippled
when a failure in B2B communications occurs, resulting in potential for significant
financial loss.
• Government regulations are forcing corporations to put formal business continuity
procedures in place for B2B communications.
• Few enterprises or B2B service providers have made the necessary investments to
support a highly resilient B2B architecture.
• Significant ambiguity exists about what constitutes true availability in the B2B
sector.
After establishing the impact of B2B communications downtime on the supply chain
and business operations, a methodology for evaluating the resiliency of B2B architec-
tures will be offered. Best practices for designing highly available B2B architectures and
measuring the ongoing performance will be introduced.
B2B e-Commerce—A Strategic Application?
3. Corporations are trans-
forming from vertically
integrated models to
become more specialized,
depending upon a net-
work of partnerships to
help design, manufactur-
er, transport and service
products.
Automotive OEMs are
shifting responsibility
for vehicle subsystem
manufacturing, supply
chain management and
raw materials production
to business partners.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
A GXS White Paper
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Value Chain Evolution Raises Importance of B2B
In the early days of manufacturing, vertically integrated companies would produce all of the
raw materials and component parts required to build their products. The past 100 years have
seen radical transformations in value chains. Corporations have become more specialized,
depending upon a network of partnerships to help them design, manufacture, transport and
service their products. To illustrate the changing nature of value chains, let us explore the
dynamics of three of the larger manufacturing sectors—automotive, electronics and consumer
products.
Automotive
Consider the automotive industry. In the early days of car manufacturing, companies such as
Ford produced all of the materials and performed all of the manufacturing necessary to build
a vehicle. The OEM would produce everything from the raw materials such as steel, glass and
rubber to the various parts in the engine, exhaust and suspension systems. The automotive
supply chain has transformed considerably from the original vertical integration model.
Today’s automotive industry is horizontally structured. OEMs are removed from the raw
materials process almost entirely. Specialized Tier 3 suppliers produce the steel, aluminum,
rubber, glass and leather materials needed for today’s vehicles. OEMs have transformed
primarily into brand owners with much lighter supply chain management and production
responsibilities. Instead, design, development and assembly of vehicle components and
subsystems are performed by Tier 1 suppliers. Today’s automotive OEMs are focused on
driving market demand, innovating product design and enhancing the customer experience.
Automotive manufacturers enjoy much higher profit margins from financing services, extended
warranties and aftermarket parts than they do from new vehicle sales. Consequently, the
industry focus is shifting from the traditional model of just selling cars to a new paradigm
centered upon higher margin add-on service transactions.
End-Customer Sales
Finished Vehicle Production
Sub-Assembly Production
Components Production
Raw Materials Production
Vertically
Integrated
Horizontal
Landscape
1930s 2000+
FIGURE 1: TRANSFORMATION OF AUTOMOTIVE INDUSTRY
4. Electronics OEMs are shift-
ing more of the design,
development, manufactur-
ing and service of compo-
nents, subsystems and
software to business
partners.
Consumer products compa-
nies are shifting more
manufacturing, marketing,
sales and distribution
functions to their business
partners.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
A GXS White Paper
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Electronics
The high tech industry offers another example. Just a few decades ago when mainframe com-
puters were introduced, companies such as IBM owned the entire value chain. OEMs manufac-
tured all the components—storage, CPU, memory, displays and peripherals. Software applica-
tions were developed by the hardware manufacturer as well. Early mainframe OEMs such as
GE, IBM and Honeywell developed the operating systems, databases and business applications
for their platforms. In fact, the OEM often provided all the support services including data cen-
ter hosting, call center support, systems management and application upgrades. The high tech
supply chain has transformed from its originally vertical integrated model. Today’s computer
value chain is horizontally structured. High-end server equipment is assembled and marketed
by an OEM brand owner. However, the hardware components are made by various independ-
ent suppliers. For example, the memory may be manufactured by Kingston, the CPU by Intel
and the storage by Seagate. Software applications are developed by an independent community
of developers. For example, a server-grade operating system might be developed by Microsoft,
business applications by SAP and a database management system by Oracle. OEMs offer servic-
es such as hardware maintenance, call center support and systems integration. However, many
corporate customers prefer to buy custom development, application hosting and IT outsourcing
from specialized providers such as Accenture, Wipro and EDS.
Consumer Products
Consumer products companies are transforming the value chain as well. Historically, brand
owners such as P&G, Coca-Cola and Nike performed design, development, manufacturing,
sales and distribution of their products. Raw materials such as sugar, corn or wheat were often
sourced from third parties. However, manufacturing and supply chain management were con-
sidered core competencies of consumer products leaders. Today, consumer products companies
are developing more specialized operations focusing primarily on activities in which they can
gain a competitive advantage. Some are becoming brand companies with strengths in market
research, product design and demand creation. Others are specializing in manufacturing, acting
as contractors for their retail customers or even other consumer products brands. Non-core
functions are outsourced to specialized third parties around the world. In the apparel sector,
third party contract manufacturers are used to produce clothing and footwear in low cost geog-
raphies. In the food industry, specialized brokers often are used to manage the product sale and
customer relationships with selected retailers. In the beverage industry, distributors perform
store delivery, product replenishment and regional marketing. In the media and entertainment
segment, Fourth Party Logistics Providers (4PLs) provide expertise in category management,
new product introductions and in-store advertising.
The examples above demonstrate the transformation that has occurred in supply chains over
the past few decades. Manufacturers have migrated from vertically integrated models to more
specialized approaches leveraging outsourcing partners. To support the new model, manufac-
turers have built an international community of specialized partners to help manage their
supply chain. Specialists take many forms, employing a variety of business models. Common
value chain participants are outlined in Table 1.
5. Back office functions such
as payroll, marketing and
information technology
are increasingly being
outsourced to third party
providers.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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TABLE 1 - SPECIALIZED TRADING PARTNERS
Specialization and outsourcing are not limited to the supply chain. Increasingly, back office
business processes are being sourced to specialized third parties. Examples of outsourcing exist
in every major business function. Traditionally, business process outsourcing has focused on
transferring selected functions within an organization to an external firm. Common examples
of outsourcing selected business functions include:
• Payroll—Payroll processing is one of the most popular business functions to outsource.
Specialized providers will assume responsibility for employee pay distribution on behalf
of human resources. The processors will host the software applications which calculate
personnel salaries, tax withholdings and benefit contributions. Payroll providers can also
manage the actual payment processes including paper check printing, electronic funds
transfer or stored value cards.
• Information Technology—A wide variety of information technology outsourcing
providers are on the market. Some firms specialize in running a corporate IT infrastruc-
ture including network management, desktop support and data center operations.
Others will take on a broader scope including business process consulting, custom
software development and ongoing application maintenance.
Design and Assembly
Transportation
Logistics
Sales Channels
Marketing Services
Financial Services
Business Function Specialized Trading Partners
Original Design Manufacturers (ODMs)
Contract manufacturers
Postponement specialists
Marine transportation
Air transportation
Rail transportation
Full truck load (ground transportation)
Less than truckload (ground transportation)
Third party logistics providers
Customs brokers
Importers
Exporters
Freight forwarders
Consolidators
Distributors
Bottlers
Brokers
Agents
Resellers
Fourth party logistics providers
Marketing specialists
Banks for payments and foreign exchange
Lenders and Factoring Providers
Commercial Trade Insurers
6. The business process out-
sourcing model in which
companies outsource
entire organizational func-
tions such as human
resources or finance is
becoming increasingly
popular.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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• Marketing—Outsourcing of selected marketing functions to specialized third parties is a
common practice. Traditionally, corporations have sought outside assistance with brand
development, advertising and public relations. In the past 10 years, more specialized
firms have emerged to manage primary research projects, product concept testing, web-
site design and search engine optimization.
A new breed of outsourcing is emerging that extends beyond the selective sourcing approaches
used in the past. In the new model corporations are beginning to outsource entire functional
disciplines to third party providers. Examples of business process outsourcing include:
• Finance and Accounting—Business process outsourcing for finance and accounting is a
nascent, but quickly growing, area. Specialized providers can offload the entire finance
function from an organization including accounts payable, accounts receivable, tax man-
agement, treasury management, risk management and regulatory activities.
• Human Resources—Another growing area of business process outsourcing is human
resources. A number of multi-national corporations have contracted with third parties
to provide personnel management, organizational development, recruiting and hiring,
benefits administration, compensation planning and strategy and performance manage-
ment services.
In both the manufacturing and services sector the trend is clear. Corporations are specializing.
Industry leaders are developing core competencies and deep expertise in particular niche func-
tions. The specialized focus enables higher levels of innovation with better economies of scale.
The benefits of the new business models are significant. However, the risks should not be
underestimated. The specialization of roles that occurs with horizontally structured value chains
creates a strong dependency upon business partners for day-to-day operations. The implications
of the change can be substantial, particularly if the choice of business partners proves to be
problematic. Consider what the impacts would be if a key value chain partner became financial-
ly insolvent or suspended operations temporarily. The disruption to a supply chain and business
operations could last for days, if not weeks.
There are implications for information technology strategy as well. In today’s specialized value
chain, information systems are dependent upon your business partners as well. Applications
such as ERP quickly become inoperable without data feeds from external sources. In fact, a
high percentage of the data housed in enterprise applications actually originates from external
business partners. Examples are illustrated in Table 2.
7. Due to outsourcing and
specialization in the value
chain, an increasing per-
centage of corporate data
comes from external busi-
ness partners.
The delay in transmission
of an ASN, can stop manu-
facturing lines in the auto-
motive industry.
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Without reliable information exchange between business partners, the value chain becomes
dysfunctional. Consider what the impacts would be if a company’s B2B communications went
off line for 24 hours? How many orders would be lost? How many customer credits would
you have to be issued? More importantly—How much credibility would be lost?
Supply Chain Disruption
To further understand the dependence of business processes on B2B communications, let us
examine three case studies from various industries.
• Automotive Logistics—The transportation process used in the automotive sector offers
an excellent example of how disruptions to B2B communications can cripple manufac-
turing activities. There is a growing trend for suppliers to co-locate their plants in close
proximity to their customer’s manufacturing operations. The short distances between
customer and supplier sites can reduce transportation costs and lower inventory levels.
Furthermore, it offers an enhanced level of responsiveness to changes in manufacturing
schedules or end-customer demand patterns. Depending upon the distance between the
supplier and customer plant, the time to transport goods may be as few as 15 minutes.
When the materials leave the supplier’s plant an advanced shipment notification (ASN)
is transmitted electronically to the customer’s receiving system. The ASN communicates
the details of the truckload, including shipment contents, transportation carrier, expected
arrival time and routing instructions. If electronic communications between the supplier
and the customer are interrupted or delayed, the truck may arrive at the customer’s plant
before the advanced shipment notice. Consequently, the receiving department at the cus-
tomer location will not have a record of the shipment. The parts and materials will be
held until they can be correlated with a specific order. If the ASN is delayed for several
hours, downstream manufacturing processes could be delayed or suspended due to the
TABLE 2: EXTERNAL DATA SOURCES FOR BUSINESS APPLICATIONS
Enterprise Resource
Planning
Procurement and
Sourcing
Transportation
Management System
Finance and Accounting
Treasury Workstation
Human Resources
Information Technology
Business Application Data Sourced from Outside
the Enterprise
External Business
Partner Sources
Customer Forecasts, Customer
Orders
Product Catalog, Pricing,
Promotions, Vendor
Shipment Status, Import/Export
Documentation
Supplier Invoices, Customer
Invoices, Remittance Advices,
Payroll, General Ledger
Bank Account Statements, Foreign
Exchange Transactions, Securities
Ownership
Recruiting, Performance,
Compensation, Employee records
Data center, network, application
status, Trouble ticket status
Customers, Distributors, Brokers,
Agents, Resellers
Vendor/Suppliers
Marine, Air, Rail Transportation
Providers, Freight Forwarders, Customs
Brokers, LTL, TL, Parcel Carriers, 3PLs
Vendors, Customers, F&A BPO
Providers, Payroll BPO Providers
Cash Management Banks, Securities
Broker/Dealers, Foreign Exchange Banks
HR BPO Providers
IT Outsourcing Providers
8. VMI processes used for
production manufacturing
are critically dependent
upon B2B e-commerce.
Corporate payments for
employee payroll, govern-
ment taxes, shareholder
dividends and loan repay-
ments are dependent upon
B2B communications
between banks and their
customers.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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lack of availability of critical parts or materials. Suppliers are typically penalized with
invoice deductions or lower performance ratings when problems with the ASN occur.
• Manufacturing VMI—Some manufacturers are moving one step beyond plant co-loca-
tion to vendor managed inventory (VMI) models. The VMI model requires the supplier
to assume responsibility for the ownership of the inventory up to the point of consump-
tion. The supplier must monitor inventory levels to ensure parts are always available at
the customer’s location. It is cost-prohibitive to have an on-site person in each customer
location monitoring inventory. As a result, software-based VMI applications are used to
monitor consumption. VMI applications typically track inventory on-hand, in-transit,
on-order and out-of-stock at an individual part level. VMI software can model and pre-
dict out-of-stock situations based upon forecasted manufacturing and delivery plans.
When an out-of-stock situation is predicted, the application will send a replenishment
request to the supplier electronically. But what happens if the electronic communications
between the customer’s site and the supplier’s order fulfillment applications are interrupt-
ed or delayed? The replenishment request may not be fulfilled or even received before an
out-of-stock condition occurs. For VMI programs supporting production operations, the
consequences can be significant. Manufacturing processes may be suspended until the
necessary parts or materials are available. The labor force may be sitting idle for several
hours. The manufacturer may not be able to meet demand downstream resulting in the
loss of sales or issuance of penalties. Repeated manufacturing delays could result in a loss
of business with key accounts.
• Corporate Payments—B2B communications are not just critical for the supply chain
sector. Financial activities can be impacted by disruptions to B2B connectivity as well.
High value payments and funds transfers offer an excellent example. Most payments are
cleared and settled through automated clearinghouse and wire transfer systems. These
wholesale payment systems typically operate during a limited set of business hours. As a
result, banks establish payment cutoff windows with their customers. Payments and
funds transfers submitted before the cutoff window will be executed the same day. Those
not received before the cutoff will be postponed until the next business day. It is com-
mon for corporate treasury departments to wait until the mid-afternoon to submit their
daily batch of instructions. As a result, banks must be prepared to accept and process a
high volume of payments in the last hour before cutoff. If there is an interruption or
delay in B2B communications during the peak processing timeframe, funds transfers
may not executed as planned. Delayed payments result in SLA violations by the bank
and financial compensation to the customer. Repeated missed payments can negatively
impact a bank’s relationship with their corporate client and result in a loss of business.
The implications for the corporate client could be far more significant. If a loss of B2B
connectivity occurs, most likely not one, but an entire series of payments will not be exe-
cuted. Delays to employee payroll, government taxes, shareholder dividends or bank loan
repayments could have expensive consequences. Failure to execute a funds transfer on a
9. The impacts of B2B down-
time have become so sig-
nificant that they are now
one of the key perform-
ance indicators used to
rate suppliers.
A VCF study found that
20% of the 500 most
common causes for
invoice deductions were
related to B2B e-com-
merce.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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particular day could result in late-payment penalties, overdraft banking fees and even
lower credit ratings.
Customer Satisfaction
Due to the potential consequences of B2B communication interruptions, large buyers have
begun to measure and penalize suppliers for downtime. These metrics are tracked as part of an
overall supplier scorecard program. Measurement programs have become common policy for
large buyers in the aerospace, automotive, electronics and retail industries. Suppliers are rated
monthly, quarterly or sometimes annually by their ability to meet the buyer’s Key Performance
Indicators (KPIs). Poor ratings can affect a supplier’s competitiveness in renewing contracts or
new business proposals. In some cases, buyers in procurement organizations will use a weak per-
formance rating as leverage to negotiate better prices or contract terms.
A common example of a B2B communication metric tracked by many buyers is order acknowl-
edgement response time. Customers will measure how quickly a supplier confirms acceptance
of a purchase order. Time frames of two to four hours are most common. In some cases, the
lack of a response within a specified time frame constitutes acceptance of the buyer’s terms.
The Vendor Compliance Federation (VCF) recently conducted a study to assess the extent to
which B2B communications are being measured in supplier scorecards. The study found that
20 percent of the 500 most common causes for invoice deductions were related to EDI (B2B e-
commerce). Table 3 highlights the most common supplier metrics identified in a recent VCF
study of the retail industry.
Note that several of the top measurement categories track criteria related to the advanced ship-
ment notification or barcode label. In fact, VCF found that the fourth most frequent invoice
deduction category was ASN-related problems. Failure to deliver complete, accurate ASNs in a
timely manner can have a significant impact on vendor performance ratings. Consider for
example the scenario in which an interruption to B2B communications delays the ASN of a
TABLE 3: COMMON DEDUCTION CATEGORIES USED IN US RETAIL INDUSTRY
Source: Vendor Compliance Federation
Purchase Order
EDI
Floor Ready
Packaging & Marking
Transportation
Purchase Order
Transportation
EDI
Floor Ready
Floor Ready
Purchase Order
EDI
Category Violation
Late Shipment
No Advanced Shipment Notification
Poor Quality, Un-scannable or Un-readable Barcode
No GS1 128 Labels
Wrong Transportation Carrier
Over-shipment
Shipped to Wrong Location
Late Advanced Shipment Notice
Wrong Barcode Label
Wrong Retail Price
Unauthorized Substitutions
Bill of Lading—Missing or Incorrect on ASN
10. Vendor scorecards are
becoming increasingly
popular in the corporate
banking sector as clients
seek quantitative methods
to assess their financial
institution's performance.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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critical shipment. The supplier will be penalized even if the physical shipment arrived in full, on
time and at the specified quality level. The delayed ASN could result in a decrease in perform-
ance rating from five out of five to a three out of five. The lower rating may be the difference
between the supplier winning or losing their proposal to renew an annual contract. Having a
highly reliable B2B communication service with fast throughput time frames is critical to
achieving a strong performance rating on supplier scorecards.
Service level measurement has become more popular in the services sector as well. The corpo-
rate banking industry offers an excellent example. Third party institutions such as Greenwich
Associates and Phoenix Hecht conduct independent surveys of bank customer satisfaction on
a monthly basis. The results of the surveys are published in the form scorecard ratings for indi-
vidual banks. More frequently, corporate clients are demanding the option to review copies of
satisfaction scorecards as part of their bank selection processes. Increasingly, corporate clients
are requesting that banks develop their own scorecards with customized metrics specific to
particular accounts. For example, many corporate clients want to ensure that banks process
high value payments within seconds of receipt. Examples of service quality metrics commonly
measured in the banking sector are outlined in Table 4.
Note that several of the key metrics relate to electronic transmission of account status data
between the bank and their client. A March 2006 Tower Group report titled Service Quality in
Treasury Management stated:
“Superior service quality is the most important avenue for differentiation among treasury
management service providers... The institutions that lag their counterparts in service quality
are likely to see decreased market share, reduced profit margins, and relegation to status of
a second tier provider...”
Bank-to-corporate communications represent an important subset of the service quality metrics.
Success in the corporate banking sector demands a reliable, high performance B2B integration
platform.
TABLE 4: EXAMPLE BANKING SCORECARD FOR CASH MANAGEMENT
Source: Tower Group
Service Quality Metrics
Electronic Transmission of Daily Statement Information
Electronic Transmission of Daily Funding Information
Electronic Transmission of Monthly Billing Information
Percent of Previous Day Reporting Deadlines Met
Percent of Current Day Reporting Deadlines Met
Information & Statement Accuracy and Transmission Quality
Number of Open Information, Statement and Billing Inquiries
Average Resolution Time of Closed Inquiries
11. Government agencies and
ministries have begun to
include business continu-
ity in regulatory policy.
Even if a B2B communica-
tion failure does not lead
to business disruption, it
may result in missed
opportunity costs.
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Regulation
Customers are not the only group tracking performance of B2B communications. Government
agencies have enacted regulations governing business continuity policies in various industries.
Examples of guidance or legislation in the health care, financial services, government and public
utilities sectors are outlined in Table 5. These regulations govern a broad scope of IT functions
of which B2B is only a subset.
Business continuity is important even for industries without a specific government regulation.
In today’s market there is an expectation amongst shareholders, customers and suppliers that
the necessary efforts to make systems highly available will be performed.
Missed Opportunities
Business disruptions which suspend manufacturing activities or interrupt financial operations
are often the most straightforward examples of the costs of B2B downtime. Equally impactful
are scenarios which do not necessarily disrupt operations, but instead result in missed
opportunities.
The Vendor Managed Inventory (VMI) process in the retail sector offers an example of how
disruptions to B2B communications can lead to missed opportunities. VMI is enjoying adop-
tion in the big box retail segment for a variety of product categories which have complex
demand patterns such as video games, movies and music. The retail VMI process typically
works as follows. Each night the retailer aggregates point of sale data from its stores and trans-
fers the information to the brand owner. The brand owner will use the sales consumption data
along with its last-known store inventory positions to assess stock positions at each individual
location. The data is fed into a replenishment application which can calculate SKU-level stock-
ing needs for each store. The calculated replenishment quantities are then sent to local distribu-
TABLE 5: SELECTED REGULATIONS IMPACTING BUSINESS CONTINUITY
Health Care
Government
Financial
Services
Utilities
Industry Regulation Business Continuity Impacts
US Health Information Portability and
Accountability Act (HIPAA)
US National Institute of Standards and
Technology (NIST) Special Publication
800-34, Contingency Planning Guide for
Information Technology Systems
Basel II, Basel Committee on Banking
Supervision, Sound Practices for
Management and Supervision
US Federal Energy Regulatory Commission
(FERC), RM01-12-00 (Appendix G)
Requires data backup plan, disaster recovery
plan and emergency mode operation plan.
Defines detailed recommendations from NIST,
requiring contingency, disaster recovery and
continuity of operations plans.
Requires that banks put in place business
continuity and disaster recovery plans to ensure
continuous operation and to limit losses.
Mandates recovery plans.
Source: Gartner—Laws Influence Business Continuity and Disaster Recovery Planning Among Industries—
11 July 2005—Number: G00128123
12. Retailer replenishment
processes in the VMI
model depend upon the
exchange of point of sale
and inventory data with
the brand owner and
distributor. B2B communi-
cation failures can result
in out-of-stock situations
and missed sales opportu-
nities.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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tion centers for routing of product to each location in time for store openings. As a result, con-
sumers can expect to find the product of their choice at their local retailer.
The technology infrastructure required to support the process can be very complex, requiring
high levels of reliability and throughput. Each retailer captures different sales information due
to variations in POS applications. As a result, the files sent from each retail chain will vary in
structure and content. Data must be cleansed and standardized before it can be analyzed by the
brand owner’s replenishment algorithms. Capacity is another challenge. Very high volumes of
data must be transmitted, re-formatted and analyzed in a relatively short time window to enable
a daily store delivery model. Brand owners only have a few hours to cleanse and analyze the
data. The few hours between the nightly store closing time and the morning truck dispatch do
not leave much room for error. If there is an interruption or delay in the exchange of demand
data between the retailer, brand owner and distributor, the process breaks down. Stores for
which data is not processed will not have a replenishment order. If a truck visits the store on
its route, the driver may be able to visually inspect the store shelves for out-of-stock inventory.
The truck driver can sometimes pull products off of the truck to fill the shelves. However, the
driver may not be carrying the right inventory or sufficient quantity to replenish each of the
stores. There is a missed revenue opportunity for both the retailer and the brand owner during
out-of-stock situations. The opportunity costs are highest for recently introduced products.
Often brand owners perform extensive marketing to drive consumers to the stores for the new
product introductions. New offerings typically enjoy higher prices and margins, particularly
when there is less competition on the market. When VMI replenishment processes are inter-
rupted, not only will consumers be disappointed to find out-of-stock situations, but the brand
owner will lose out on high margin sales.
Corporate cash management offers another example of the opportunity cost associated with
B2B communication. Large corporations use a pool of bank accounts in various countries
around the world to fund their day-to-day operations. The local accounts are used to remit pay-
ments to suppliers, employees, investors, retirees or government agencies. The accounts are also
used to collect receivables from government, business and retail customers. At the end of any
given business day, the summation of all the payables and receivables will result in a net cash
deficit or cash surplus. If there is a cash deficit, the treasury department will draw upon a bank
line of credit to fund the shortage. If there is an end of day cash surplus, treasurers will put the
balance to optimal use. In most cases the money will be invested in an overnight interest-bear-
ing account such as a sweep. Alternatively, the funds may be transferred to another operating
company to offset a deficit. Ideally, a corporation would put all available funds to use and a
zero balance would exist in each account at the end of each operating day.
Identifying idle cash requires the ability to obtain accurate account balance data for each of the
corporation’s various bank accounts. Corporate treasury departments are dependent upon a feed
of account balance information from each of their banks to assess their cash position. If the
B2B communications between a corporation and its banks are interrupted, the treasury depart-
ment will have an incomplete view of their global cash balances. If a significant cash surplus
13. The first step in assessing
high availability require-
ments for B2B is to identi-
fy the financial impacts of
downtime.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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exists, the opportunity costs of missed interest payments could be substantial. Treasurers can use
the web, phone, fax and email to gather the data from individual banks. However, the manual
data collection process will be time-consuming. Manual processes can usually not be completed
in the critical time window near the end of the day in which account balances must be evaluat-
ed and investment decisions need to be made.
The examples above represent just a few of the scenarios in which a supply chain disruption or
missed business opportunity might occur due to a loss of B2B communications. With a greater
appreciation of the impacts of downtime in B2B integration, we will now explore a methodolo-
gy and best practices for developing a highly available e-commerce infrastructure.
Defining High Availability in B2B
To develop a business continuity strategy for B2B integration, the corporation needs to under-
stand the acceptable amounts of downtime that business processes can accommodate.
Downtime is typically measured by two factors:
• Recovery Time Objective (RTO), which refers to the maximum acceptable length of time
between the point of disruption and the recovery of critical functions. In other words,
RTO measures how long B2B communications were interrupted.
• Recovery Point Objective (RPO), which refers to the point in time to which data must be
restored in order to resume processing. In other words, RPO measures how many B2B
transactions need to be reprocessed due to the outage.
To assess the maximum acceptable RTO and RPO for your business processes you should con-
sider a number of factors:
• Acceptable Latency—Some business processes require information exchange to occur in
near real time over a period of just a few seconds. Other business processes may tolerate
higher levels of latency with transactions being orchestrated over a period of minutes or
even a few hours. Example transaction sets with typical latency time frames are exhibited
in Figure 2.
• Customer Impacts—Transactions which are measured by customer scorecards or those
which are regulated by government legislation should receive a higher level of focus.
Financial penalties will result if such transactions are delayed due to downtime.
• Manual Workarounds—Some business processes have manual workaround procedures
that can be executed if a loss of B2B communications occurs. Scenarios with reasonable
workarounds can reduce the operational impacts of downtime.
With a full understanding of the financial and operational impacts of downtime, IT organiza-
tions can design the B2B architecture to meet the necessary RTO and RPO objectives.
14. True Availability Tenet
#1—Measure uptime of
the entire B2B architecture
versus the uptime of each
individual component.
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There are additional dimensions beyond RTO and RPO which must be considered when struc-
turing high availability measurements in B2B. GXS recommends that B2B architectures be
evaluated on the concept of “true availability,” which offers a new framework for corporations
to assess the operational and financial impacts of downtime. True Availability is based upon
two tenets not traditionally factored into high availability metrics:
• System-Wide Availability—Uptime of the entire B2B architecture as opposed to measur-
ing the uptime of individual architecture components or selected subsystems.
• End User Availability—Uptime as experienced by the end user of the B2B services as
opposed to the IT organization or service provider which often exclude scheduled main-
tenance periods.
Let us explore these two tenets of True Availability in further detail.
Tenet #1—System-Wide Availability
To appreciate the concept of system-wide availability, one must understand the structure of a
typical B2B platform. B2B architectures are based on an integration broker, which typically acts
as a gateway for all external communications. The integration broker uses a services oriented
architecture to link enterprise applications with the systems of external business partners. It is
common for large companies to offer a choice of multiple interface types to their trading part-
ners. Larger business partners will prefer a direct, Internet-based connection for data exchange.
Small and midsize partners will interact either through a third party B2B integration provider
or a web-based portal. A typical B2B architecture is illustrated in Figure 3.
For a B2B communication to be fully functional all components of the architecture must be
highly available. Many IT architects focus high availability investments on the heart of the B2B
infrastructure, the integration broker. As a result, the trading partner interfaces such as Internet
communications and the web portal are often exposed to single points of failure. The lack of
resiliency in trading partner interfaces can result in significant business impact if an outage
FIGURE 2: ACCEPTABLE TRANSACTION LATENCY FOR KEY BUSINESS PROCESSES
• Purchase Order
• Commercial Invoice
• VMI—Daily Replenishment
• Import/Export Declarations
• VMI Signal—Intra-Day
Replenishment
• Advanced Ship Notice
• Health Care Eligibility
Inquiry
• Field Service
(Emergency Request)
• High Value Payment
or Funds Transfer
Hours Minutes Seconds
15. True Availability requires
both B2B Gateways and
Trading Partner Interfaces
to be designed for busi-
ness continuity.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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occurs. Even the portals and third party integration providers used by small and midsize busi-
nesses can cause business disruption. Some might incorrectly conclude that a smaller business
partner cannot have a material impact on a supply chain or business function. However, the
size of a supplier is in no way reflective of their importance to the supply chain. It is not com-
mon for even the largest retail and manufacturing companies to depend upon small businesses
for critical parts or services. A true high availability architecture for B2B must include a fully
redundant suite of trading partner interfaces. Internet connections, web portals and third party
provider architectures should be evaluated for single points of failure that may lead to service
interruptions.
One of the most challenging aspects of evaluating the resiliency of a B2B infrastructure is identi-
fying potential failures from third party service providers. The internal architectures and opera-
tional processes of B2B integration providers are often a mystery to corporate customers. Few
corporate buyers spend much time evaluating the business continuity capabilities of their service
provider’s infrastructure. Instead, corporate buyers typically select B2B vendors based upon trans-
action pricing rates. However, in the long term, a narrow focus on transaction pricing may not
result in the optimal financial benefit to the corporation. Many of the lower cost B2B providers
have underinvested in the resiliency of their B2B architectures. A prolonged outage at a low price
B2B service provider may lead to manufacturing line delays, retail out-of-stocks, customer com-
pliance penalties and lower supplier scorecard ratings. The financial impacts of business process
interruptions and unfavorable performance evaluations will far outweigh the cost savings realized
from lower vendor transaction fees.
FIGURE 3: TYPICAL B2B ARCHITECTURE
Enterprise
Applications
B2B Gateway
(Integration Broker)
Direct Connections
(AS2, S/FTP, HTTPS)
Internet
B2B Integration
Provider
Web Portal
16. THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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To mitigate the risk of a service interruption from a third party B2B provider, you should thor-
oughly evaluate the underlying architecture of your vendor’s operations. An example of a typical
B2B service provider architecture is illustrated in Figure 4.
Most service providers focus high availability investments on the core transaction management
component of the architecture. The focus is logical given that the transaction management
modules perform the most critical and computing intensive processing. However, a single point
of failure in any of the trading partner interfaces, value added services or operational support
systems can be crippling to the overall availability. Consequently, True Availability demands that
a service provider ensure the resiliency and high availability of all components of their infra-
structure including:
• Enterprise Communications—For all Internet protocols (AS2, AS3, Secure FTP) and
private network connections (Point-to-point, MPLS, Frame Relay).
• Small Business Enablers—For services such as fax-to-EDI conversion and web-based
forms; specialized adapters for Intuit’s Quickbooks or Microsoft Excel; and dial-up
modem banks for legacy communications.
FIGURE 4: EXAMPLE B2B SERVICE PROVIDER LOGICAL ARCHITECTURE
Enterprise
Connectors
Small Business
Connectors
Value Added ServicesOperations Systems
3rd Party Interconnects
Private Line
HTTP/S
Secure FTP
AS2
FTP/S
EDI-to-Fax
Web Forms
Dial-Up
Excel Adapter
Quickbooks Adapter
Transaction Management
Queues
Logging
Event Mgmt.
Archiving
Backup and Restore
Systems Health Monitoring
Logical Security
Database Administration
Call Center
Network Based Translation
Network/Data Encryption
File Compression
Data Quality Management
Reporting and Scorecards
17. Tenet #2 of True
Availability—Measure
uptime from the perspec-
tive of the end user ver-
sus the viewpoint of the
IT organization.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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• Interconnects—Often overlooked, but provide critical access to third party networks
such as VANs (e.g. Sterling Commerce, Inovis, Kleinschmidt), specialized networks
(e.g. ANX, ENX, or SWIFT) and industry exchanges (e.g. Covisint, Liaison, Elemica).
• Operations Systems—Must be operational for the service provider to manage the
underlying hardware, software, network and application infrastructure.
• Value Added Services—Such as network based translation and data quality management
which may provide critical transformation of the file format or its contents.
B2B service providers should have architected redundancy into each of the subsystems in their
architecture.
Tenet #2—End User Availability
The second tenet of True Availability is the measurement of uptime from the perspective of an
end user rather than the IT organization or service provider. Many IT organizations and B2B
service providers are still running their applications on mainframe-based platforms. These lega-
cy applications have not been enhanced in years, in some cases more than a decade. Not only
are these mainframe based systems out-of-date, they require long periods of extended down-
time. IT organizations and service providers regularly take these systems offline for periods or
four, eight or even twelve hours during weekends under the policy of “scheduled maintenance.”
These service interruptions impact end users, but they are not counted in the reported down-
time or even end user SLAs. Consider the example illustrated in Figure 5.
FIGURE 5: EXAMPLE DOWNTIME REPORT FOR A B2B INTEGRATION PLATFORM
0:00
2:00
4:00
6:00
8:00
10:00
12:00
14:00
16:00
18:00
20:00
22:00
System
Available
Scheduled
Maintenance
Service
Interruption
Sun Mon Tue Wed Thu Fri Sat
18. True Availability requires
“Scheduled Downtime” to
be included in availability
calculations.
THE IMPORTANCE OF HIGH AVAILABILITY FOR B2B INTEGRATION
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Using the model for measuring B2B system availability, an uptime level of 99.5 percent would
be reported. The scheduled maintenance windows on Sunday, Wednesday and Saturday nights
would be excluded from the downtime calculations. Only the fifty minutes of service interrup-
tions on Monday evening and Thursday morning would be considered “downtime.”
FIGURE 6: TRADITIONAL B2B SYSTEM AVAILABILITY CALCULATION
However, if measured using the GXS True Availability model, system availability would only be
88.8 percent. The 1080 minutes of scheduled downtime would be added to the fifty minutes of
unplanned service interruptions to form the numerator of the availability calculation.
FIGURE 7: TRUE AVAILABILITY CALCULATION
Summary
Despite misconceptions by many business and IT leaders, B2B e-commerce applications have
evolved into mission critical applications. Front office and back office systems depend upon
B2B for the data they need to operate manufacturing plants, stock retail stores and process
financial transactions. With the trends moving toward specialization and outsourcing in the
value chain, the importance of B2B will only to grow in significance. The financial conse-
quences of B2B downtime is too large to ignore. B2B communication failures can result in
downtime at manufacturing plants, out-of-stock situations in retail locations, performance
penalties from customers, risk of losing future business, impact to corporate credit ratings and
potential for missed sales. B2B e-commerce strategists need to develop highly resilient architec-
tures capable of supporting 24x7 operations with a global community of business partners.
Achieving truly high availability levels will require adopting new measurement techniques for
uptime and analyzing a broader scope of IT components than historically performed.
GXS can help. We have invested millions of dollars to build a new state-of-the-art infrastructure
for the GXS Trading Grid®
. Leveraging data centers in the United States and Europe, GXS
offers the industry’s highest levels of availability for B2B e-commerce. To learn more about our
highly reliable GXS Trading Grid Ultra offering visit www.ultra.gxs.com.
System Availability =
Unplanned Downtime in Minutes
Total Minutes per Month
System Availability =
Unplanned Downtime in Minutes + Scheduled Maintenance Time in Minutes
Total Minutes per Month