Report brochure (a must read report for this industry)

1. Mobile Networks
Evolving to all-IP Backbone
October 2009

2. evaluated in the report are: Alcatel-Lucent, Cisco Systems, Juni-
Overview per and Tellabs.
Mobile operators have made substantial investments in legacy
protocols. Third generation (3G) data networking have brought Key Benefits
carriers into the IP world and fourth generation (4G) data will • Understand the optimization path of an IP/MPLS network in
require an all-IP backbone. order to support transport for a mobile operator
• Learn VoIP details for a legacy operator
Though a considerable amount of knowledge about IP has been • Major vendors review and evaluation in general with regards
accumulated within mobile operators, their IP investment is rela- to the subject and specific for:
tively young when compared to both IP itself and their respective • End to end integrated solution
legacy protocols and infrastructure. • Time to implement on a network
• Issues and challenges
This report targets primarily network design teams within mobile • Network stability
operators and assumes that the reader has a good understand- • Prospective services
ing of IP protocols and related technologies; it addresses most, • Operational expenses
if not all, of the problems and questions that such teams will face
while evolving a legacy backbone into an all-IP one.
Audience
More specifically, the following subjects are addressed: • Mobile operators
• Optimising an IP network for use as a backbone for a mobile • Network Design teams working their way from legacy proto-
operator: Not all IP networks can deliver either the functional- cols into IP
ity or the critical level of performance that a mobile backbone • Executive Level individuals wanting a concise view of their
requires. This section focus on the elements that should be choices and how these choices could affect their companies
fine-tuned and modified so as to produce the desired behav- • Vendors
iour. • Infrastructure suppliers seeking to better understand the
• MPLS Traffic Engineering as a method to maximise the ROI future of IP for mobile operators
and effectively utilise all available resources within the net- • Software developers seeking opportunities for IP based OSS
work. The benefits that pseudo-wires (PWE3) introduced. and application software
• OSS/NMS enhancements to support the new functionality
• VoIP - migrating from a circuit switched voice transport into
VoIP transport:
Questions Answered in Report
• Which are the most important VoIP details
Pre-requisites imposed on the IP backbone. • What is the approach of specific vendors (Alcatel-Lucent,
Juniper Networks, Tellabs, Cisco Systems)
The effect of codecs on the service and how their parameters • How each vendor is measured against the same metrics and
should match each network how choosing each one would affect budget and operations
• What is a mobile backhaul solution (drivers, technical specifi-
How to calculate the VoIP bandwidth (hidden overheads) starting cation, synchronization and clocking, migrating from a legacy
from the traffic on the legacy network solution)
• How to prepare and optimize an IP/MPLS network to act as
• Mobile backhaul: How to use the IP backbone to backhaul a core network for a mobile operator (IGP tuning, MPLS-TE,
3G and 2G traffic MPLS VPNs, OSS/NMS, other important details)
• LTE and IP issues and challenges
The report also presents vendor-specific solutions. For the
executive level readers of the report; we also present how each
choice affects and impacts budgets and operating expenses and
evaluate the companies and the services they offer. The vendors

3. Table of Contents
1. Executive Summary 7.3 Tellabs
2 Preparing and Optimising the network 8 Conclussions
2.1 IGP 9 Closing note
2.2 MPLS 10 ANNEX I - References
2.3 Other 11 ANNEX III - List of figures
3 Traffic Engineering 12 ANNEX IV - List of Tables
4 OSS/NMS support 13 ANNEX II - ABBREVIATIONS
5 VoIP 14 ANNEX V - About the author
5.1 QoS
5.2 Bandwidth Calculations
5.3 QoS Misconcept
6 Mobile Backhaul
6.1 Drivers
6.2 Technical Specification
6.3 Reference Model
6.4 Sync and Clocking
6.5 Migration
6.6 LTE and IP
7 Vendors’ approaches
7.1 Alcatel-Lucent
7.2 Cisco Systems and Juniper
About Author
Charalampos Mylonas (Harry) worked as End to End Solutions Architect (CTO role) at Alcatel Lucent for the Eircom NGN
Project. An MPLS pioneer, he managed projects up to Euros 120 million, teams up to 60 persons and up to 6 concurrent
subcontracting companies, built 1 international and 5 national networks, produced effective solutions in very complex
environments that include systems, organizations, and competitive pressures.
He has hands on experience and expertise in IP based solutions and relevant implementations at large (ISPs, VoIP, NGN
& OSS), cross section, multi aspect, excellence, expertise and achievement in Telecommunications, Voice, IT Systems
and Services in multi-million international and nationwide implementations, both in engineering and in managing projects/
resources (financial and human), competent in a diversity of new technology fields and posses international networking
experience (across EMEA).
He has expertise on IP, MPLS, NGN, VoIP, IMS, SS7, OSS/NMS, Solutions architecture, telecoms technology strategy
and technical project management at carrier grade/CxO level.

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Mobile Networks - Evolving to all-IP Backbone
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