Mobile Broadband IPv6 Service MENOG 7

23 October 2010

Mobile Broadband IPv6 Service, MENOG 7 1

Content Slide •  Qtel IPv6 Overview •  Qtel IPv6 Mobile Broadband Background

–  Qtel’s IPv6 Strategy and Priorities –  Qtel Internet Service Trends –  The Case for Prioritizing IPv6 on Mobile Broadband

•  Building an IPv6 Mobile Broadband Service –  Mobile Service Considerations –  IPv6 PDP Context –  Mobile Broadband IPv6 Logical Drawing –  Mobile Broadband IPv6 Lab Setup –  Mobile Broadband IPv6 Live Deployment

•  Lessons Learnt –  Lab Testing –  Going Live –  Highlights

•  Potential Next Steps

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Qtel IPv6 Overview

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•  Qtel IPv6 Mobile Broadband Background •  Building an IPv6 Mobile Broadband Service •  Lessons Learnt •  Next Steps

IPv6 Mobile BroadbandProject Timeline1 May, 2010 1 Jul, 2010 1 Sep, 2010 1 Nov, 2010

IPv6 Connection to ISP Established8 Jul, 2010

IPv6 Mobile Broadband Management Approval31 Mar, 2010

Expected IPv6 Mobile Broadband Live1 Nov, 2010

IPv6 Packet Core Kickoff Meeting13 Jun, 2010

IPv6 Lab Testing Completed26 Aug, 2010

Test IPv6 APN Ready22 Aug, 2010

Live IPv6 Planning

9 Sep, 2010 – 20 Sep, 2010

Live IPv6 APN Implementation

23 Sep, 2010 – 21 Oct, 2010

Presentation Title, Date 3 3

Qtel IPv6 Mobile Broadband Background

Mobile Broadband IPv6 Service, MENOG 7

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Qtel’s IPv6 Strategy & Priorities

1. Provide IPv6 capability for consumer access services

2. Prioritize services with largest public address space requirement

3. Maintain IPv4 for infrastructure and O&M whenever feasible

4

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Qtel Internet Service Trends

5

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The Case for Prioritizing IPv6 on Mobile Broadband

1. Largest and fastest growing number of subscribers

2. Least number of CPE issues a)  Broadband Forum IPv6 support still at Working Text stage b)  Supposedly wide IPv6 support in User Equipment (UE) c)  HSPA modems generally don’t require IP addresses

3. Least disruption to existing infrastructure

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Presentation Title, Date 7 7

Building and IPv6 Mobile Broadband Service

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Mobile Service Considerations

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•  3GPP Release versions •  3GPP Release 7 (current) does not support dual stack •  3GPP Release 8 (LTE) supports dual stack

•  UE IPv6 Support •  WiFi generally supported •  3G less clear

•  Performance of IPv6 APN vs. IPv4 APN •  Throughput, latency, etc. •  Mobile device power consumption

•  Access Point Name (APN) Requirements •  An APN address pool is either IPv4 or IPv6 (i.e. new APN required) •  Seamless transition to IPv6 considering diversity of UEs

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IPv6 PDP Context

9 21 © Nokia Siemens Networks Customer Confidential JSo / 5.10..2009

For internal use

Example: IPv6 support for GPRS

MS

UDP

PDCP GTP GTP PDCP

RLC

MAC

WCDMA L1

MAC

WCDMA L1 L1 L1

L2

GTP

UDP

IPv4

L2

L1

GTP

UDP

IPv4

L2

L1

UTRAN SGSN GGSN Uu Gn Iu

IPv4

UDP

L2

IPv4

IPv6 IPv6

Link layer Y

Physical layer Y

TCP / UDP

RLC

Relay Relay

Physical layer X

Link layer X

IPv6

TCP / UDP

Server

IP

Network

Gi

Application Application

•! IPv6 PDP Context support

•! Packet Data Protocol Context is the “link” between the mobile and the access router in GPRS

•! IPv6 can be introduced without changing the existing network connecting the network elements

•! Tunneling can be used over IPv4 only segments

Direct Tunnel

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•  Packet Data Protocol (PDP) Contexts link the mobile device to the Internet infrastructure

•  GGSN must support IPv6 PDP Context & APN

•  SGSN & UTRAN infrastructure can remain IPv4 •  User traffic is tunneled using GTP regardless of IPv4 or IPv6

Mobile Packet CoreUser Equipment

InternetUE RNC SGSN GGSN ISPNodeB

IPv6 PDP Context IPv6 Connection

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Mobile Broadband IPv6 Logical Drawing

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Activate IPv6 Features Establish IPv6 Peering

Create IPv6 APN

Establish IPv6 Gi Gateway

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Mobile Broadband IPv6 Lab Setup

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IPv6 APN Pool2001:1A10:3999::/48

MPLS IPv6Internet

::1::2PE PELAB

CELAB

GGSNISPCE

VLAN

IPv6 Point-to-Point Link

2001:1A10:0:1:8781::3991/1272001:1A10:0:1:8781::3990/127

L3

2001:1A10:0:3999/64

L2 MPLS VPN

•  L2 Tunneling reduces the scope of potentiaIPv6 issues

•  Point-to-Point topology reduces complexity •  The focus is on IPv6 in the Mobile Packet Core

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Mobile Broadband IPv6 Live Deployment

12

IPv6 APN Pool2001:1A10:3999:8000::/50

MPLS(L2VPN)

IPv6Internet

GGSN2

VLAN

IPv6 Point-to-Point Link

L3

IPv6 APN Pool2001:1A10:3999:4000::/50

GGSN1

PE

PE

2001:1A10:0:1:8781::3992/127

2001:1A10:0:1:8781::3994/127

PaCoCE2

PacOCE1

ISPCE

ISPCE

PE

PE

Presentation Title, Date 13 13

Lessons Learnt

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Lab Testing

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•  More difficult than establishing an equivalent IPv4 Lab •  Unfamiliarity of IPv6 amongst stakeholders •  Issues with relatively new software features

•  Shortened service development timeframe •  No risk to live service thus simpler change approval process •  Sandbox for engineers to learn from mistakes

•  There is a financial cost •  Mobile Packet Core test lab infrastructure •  IPv6 feature licensing costs

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Going Live

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•  Introducing & supporting the additional IPv6 APN is complex •  subscriber configuration management (may initially be manual) •  Service configurations (Portals, MMS, etc.) •  Support systems & billing

•  Handset support •  Identifying IPv6 capable UEs •  Procedures for configuring new APN on UEs •  Identifying and communicating with IPv6 candidate subscribers

•  Measuring success of Mobile Broadband IPv6 service •  Classifying source of issues (UE, Packet Core, ISP, etc.) •  Measure churn between IPv6 and IPv4 APNs

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Highlights

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•  Project finished in approximately 8 months •  Extra time required due to summer vacations & Ramadan

•  Relatively modest network infrastructure cost •  GGSN/SGSN licenses •  Professional Services

•  No disruption to live IPv4 Mobile Broadband service •  Dedicated APN •  GTP Tunneling

•  Major challenge is commercially supporting live IPv6 service •  Internal training •  Subscriber configuration issues •  UE support issues

Presentation Title, Date 17 17

Potential Next Steps…

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Academic Engagement

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•  Engage Qatar-based Universities and Colleges as they can be good resources for;

– Self-sufficient “tech savvy” users providing constructive feedback

–  Innovative adoption & development of IPv6 infrastructure

– Helping support the transition to IPv6 within Qatar’s IT community

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Community Engagement

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•  Establishment of a local IPv6 Forum;

–  Tangible demonstration to the community that preparations are well underway for IPv4 address space exhaustion

– Stimulate training and education in the ICT industry

– Encourage development of IPv6 .qa content and resources

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Transition Technology Trial

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•  Identify transition technologies best suited to the Qatar market;

– Migration of access infrastructure to IPv6

– Manage the complexity of crossing IPv4/IPv6 domains inside the service provider infrastructure

– Seek incentives for users to migrate to IPv6

– Automatic steering of IPv6 capable UEs to IPv6 APN

Thank you.

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