Presentation I gave at the NVTel show in August of 2012 to small, rural, telcos. Discussed the advantages of moving to a converged network using IP/MPLS.

1. Moving to IP Backhaul
August 22nd, 2012
Matt Reath, Director of Sales Engineering

2. CCI
• Presales, System Integration, Engineer/Design, Outside
Plant Construction, and Wireless
• Start-to-Finish Solutions/Whole Product Solutions
• Optical, Routing/Switching, CMTS, Video, and WiFi
• A leader in the telecommunications industry for over 50
years (since 1955)
• Cisco Partner (focused on SP)

3. Agenda
• Introduction
• What is backhaul?
• Current/Legacy backhaul solutions
• Challenges
• Future backhaul solutions
• Q & A

4. What is backhaul?
• Moving information/data from a remote site to a central site
• Physical medium may differ; fiber, microwave, leased line, etc.
• Quick, transparent
• As cellular data becomes more IP based, the backhaul starts to
look very similar to backhauling other data traffic

5. Backhaul Drivers
• Increased number of mobile devices
• Increased mobile data usage (3G, 4G/LTE,
WiFi)
• Increased overall data usage for wireline and
wireless
• Large wireless companies contracting out
IP/TDM backhaul portion of 3G/4G.
• Providers usually only have a small number of
“Internet” connected POPs. All Internet traffic
needs to be backhauled to those POPs.

6. Growth in Mobile Data Usage

7. Growth in Internet Bandwidth Usage

8. Current/Legacy Backhaul Solutions
Separate Networks
SONET/TDM
• Voice services
• Legacy data (DS1,DS3)
ATM
• Data services (DSL)
• Leased line
• Video
IP
• Data services
• Internet routing (BGP)
• IPv4 + IPv6
• MetroEthernet

9. Challenges
• Increased TCO of owning multiple networks
– Maintenance & Support
– Operation (Employee costs)
– Training
– Initial cost of purchase
• TDM/ATM hardware tends to be more expensive
• Leasing TDM lines for backhaul purposes can be expensive
– Average T1 costs around $400/mo, only providing 1.5Mbps
• Less deployment flexibility – different device/network to
accomplish tasks – not enough bandwidth

10. Future
• Consolidated Network
– Single network, various services
– TDM emulation over IP (DS1,DS3,Oc-n)
– Cost/TCO savings versus separate networks
• Intelligence throughout network
• Common transport and core
• Varying edge services

11. Consolidated Network
• TDM traffic transported using
circuit emulation over MPLS
• Ethernet transported using
L3VPN, VPLS, Pseudowires, or
standard routing
• Flexible interface and transport
support over a common MPLS
infrastructure

12. Example Edge Device
Example Edge Device
• 1 port 10GbE
• 8 port Copper GbE
• 8 port SFP GbE
• 16 port T1 **TDM**
• 4 port OC-3/1 port OC-12 **TDM**
Interfaces
Protocols
• Ethernet OAM (802.1ag, 802.3ah, Y.1731)
• SyncE / BITS
• IPv4 + IPv6
• MPLS (LDP, VPN, OAM, TE, FRR, TP)
• EoMPLS, CESoPSN, SAToP
**The TDM interface modules support the
Any Service Any Port (ASAP) concept,
including Asynchronous Transfer Mode
(ATM) and circuit emulation functionality.

13. Converged Network
What needs to be supported?
TDM Services
• RFC1588/SyncE Timing
• Y.1731 Ethernet OAM
• Circuit Emulation
Services over MPLS
Data Services
• Routing protocols
• L3VPN
• BGP
• IPv4+IPv6
• Data prioritization
• MEF (E-LINE,E-LAN,E-tree)
Video Services
• Multicast
• Video monitoring (QoE)
• Quality of service
Voice Services
• Priority Queue (QoS)
• HQOS
• VRF support

14. Conclusion
• Industry moving to network consolidation
• IPv4 and IPv6 need to be supported
• Network intelligence provides advanced routing,
QoS, and network management
• Multipurpose devices provide ATM, TDM, and IP
over a common backbone
• Cost savings through management of a common
network
• Increased revenue through additional service
offerings