IPv6 a long term solution for IPv4 address shortage · IPv6 a long term solution for IPv4 address...
Transcript of IPv6 a long term solution for IPv4 address shortage · IPv6 a long term solution for IPv4 address...
IPv6 a long term solution for IPv4 address shortage
AfriNIC-6 Abuja Meeting
May 2nd 2007
Modou SALL
Head of Backbone & Collecte Service
Network Division
Sonatel
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AGENDAAGENDAAGENDA
� The Limits of IPv4
� Facts and reasons for IPv6
� IPv6 a new Challenge for Africa
� Case Study : Sonatel’s IPv6 deployment
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THE LIMITS OF IPv4 THE LIMITS OF IPv4 THE LIMITS OF IPv4
� IPv4 Address Allocation History
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
1980 1985 1990 1995 2000 2005 2010
1981 – IPv4 protocol published
– IP addresses used to uniquely identify
and locate IP devices
1985 – 1/16 of total space
1990 – 1/8 of total space
1995 – 1/3 of total space
2000 – 1/2 of total space
2002.5 – 2/3 of total space
This consumption despite increasingly intense conservation efforts
PPP/DHCP address sharing
NAT (network address translation)
CIDR (classless interdomain routing)
Source: Neil Lovering, Cisco Systems “IPv6 and Semantic Interoperability”
(http://colab.cim3.net/file/work/SICoP/2006-04-2728/NLovering04272006.ppt )
Current estimates predict that all IPv4 addresses will be used between 2008 and
2015, the most common prediction is sometime in 2010.
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� IPv4 a restricted addressing space and a Non Equal distribution
An addressing on 32 bits representing approximately 4.2 billion addresses
Total IPv4 addresses allocated by RIR
84,73 87,82
175,52
0
50
100
150
200
Year 2001 Year 2003 Year 2005
Million Addresses
Millions Addresses
The total IPv4 addresses available is almost exactly 1.3 billion in January 1st
2007 this out of 3706.65 million usable IPv4 addresses
Non Equal Geographical Distribution (> 50% USA)
Source 2006 IPv4 address use report
THE LIMITS OF IPv4THE LIMITS OF IPv4THE LIMITS OF IPv4
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� Internet Growth INTERNET USAGE GROWTH
16 3670
147
248
361
513
587
719
817
1018
1093
0
200
400
600
800
1000
1200
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
Year
Millions of Users
NUMBER OF USERS
1,093 millions of users in Dec. 06
16.6% of Word Population
How can we address the future
Worldwide population? (2 billion in
the next 10-12 years)
Word Internet Users
3%
35%
28%
2%
21%
9% 2%Africa
Asia
Europe
Middle East
North America
Latin America
Oceania
35% of word internet
Users are located in ASIA
In Asia the available IPv4 address
space is already exhausted
Emerging Countries need Address
space
Source internetwordstats.com
Source internetwordstats.com
THE LIMITS OF IPv4THE LIMITS OF IPv4THE LIMITS OF IPv4
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� Mobile Growth
Over 2.6 billion mobile subscribers wordwide
Over 100% penetration for more mature mobile markets
3G roll-outs are progressing, and 10% penetration level are reached in some
Countries
In the developing market of Africa 85% of all telephone lines are mobile and the
Growing of 3G/HSDPA mobile system will really increase the development of
Internet Access
(Source : 2007 Global Mobile Communications Statistics, trends and forecast- Paul Budde Communication Pty Ltd)
New Generation of Internet Devices are introduced for Mobile Internet :
- PDAs
- Mobiles Phone
- Tablet PCs
- Etc.
THE LIMITS OF IPv4THE LIMITS OF IPv4THE LIMITS OF IPv4
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� NGN-Next Generation Network
Evolution of the networks towards whole IP with a fixed/mobile convergence:
- IP/MPLS Based Infrastructure for voice, video and data. Standardized, cheap and
open access
- IP addressing will bring in not just people and computers to the network but also
cars, refrigerators, tv-sets, sensor system, home games and many more.
-A QoS multiple-broadband network and will support seamless mobility providing
users with a ubiquitous provision of service
- Multiple-Technologies : UMTS/HSxPA, xDSL, LTE, FTTx, Wimax etc.
THE ANSWER TO THAT CHALLENGE IS IPv6
THE LIMITS OF IPv4THE LIMITS OF IPv4THE LIMITS OF IPv4
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Broadband everywhereBroadband everywhere
Service Platforms Service Platforms
inter working with inter working with
networknetwork
IP NetworkIP Network1
2
Multi access intelligent Multi access intelligent
devicesdevices
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Mobility everywhere Mobility everywhere 3
Service platforms
2
Physical networks /
transport
Physical networks /
transport
1
Transac
tion syst
ems
3
Source: FT investor day 11/2003
THE LIMITS OF IPv4THE LIMITS OF IPv4THE LIMITS OF IPv4
� NGN-Next Generation Network
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� NGN-Next Generation Network
- IMS based for Voice, Video and Data convergence in fixed/mobile network
- Broadband Access with ‘’ Always on Mode’’
- Mobility Services Everywhere around GPRS/UMTS/HxDPA/Wifi/Wimax
- Multi access intelligent Devices
- Connected electronics and communicating vehicles
- The robotic applications and the sensors systems
THE ANSWER TO THAT CHALLENGE IS IPv6
THE LIMITS OF IPv4THE LIMITS OF IPv4THE LIMITS OF IPv4
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FACTS AND REASONS FOR IPv6FACTS AND REASONS FOR IPv6FACTS AND REASONS FOR IPv6
� IPv6 a very large addressing space
Addressing on 128 bits
Available Stock of 2128 Addresses- (3.4 x 1038 ~)
This stock will make possible to face:
- Growth of Internet in all the geographical areas
- To satisfy the needs for new applications :
Mobile Internet
Large Public Electronic connected
Sensors system fixed or mobile,
Needs rising from the “always one” mode for Broadband Access
- The “end to end” mode restoration for some applications like VoIP
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FACTS AND REASONS FOR IPv6FACTS AND REASONS FOR IPv6FACTS AND REASONS FOR IPv6
The number of mobile devices and devices with embedded Internet stacks
will grow by magnitudes over the following years (the ongoing use of IPv4
would create poorly interconnected islands of IP networks with limited
mobility and security between them)
IPv6 is MANDATORY for the 3GPP UMTS IMS (IP Multimedia Subsystem) in
release 5
IPv6 will bring better support for security and quality of service for mobility
IPv6 allows the accesses since any point of the network with the principle
of the auto configuration
� IPv6 ensures a better management of mobility
IPv6 is designed taking into account the mobile networks, which are expected
to be ubiquitous networks of the future providing always on-line, anytime and
anywhere
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FACTS AND REASONS FOR IPv6FACTS AND REASONS FOR IPv6FACTS AND REASONS FOR IPv6
� VoIPv6 in a fixe/mobile converged network context
PSTN
3G
Access
3G
Access
IMSIMS
IPv6 network
IPv4 network
PSTN
Interconnection
media gateways
VoIPv6 on
3G mobile
phones
IPv4 VoIP service
VoIPv6 on WiFi
phonesIPv6 Centrex
phones
Enterprise
VoIPv6
Gatekeeper /
Call Server
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IPv6 A NEW CHALLENGE FOR AFRICAIPv6 A NEW CHALLENGE FOR AFRICAIPv6 A NEW CHALLENGE FOR AFRICA
IPv6 is an opportunity for Africa to reduce Digital Divide
� Telecom Operators
IPv6 will (soon) come and it's better to be prepared for it!
Development of IPv6 competencies and expertise
Hands-on training
Set IPv6 testbeds
Participation and involvement in the national and regional (AfriNIC)
IPv6 initiatives
Plan of IPv6 Integration in the operational networks (Core and
Access)
The IPv6 protocol is stable and most of the commercial products are IPv6 ready
(equipments and operational systems)
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IPv6 A NEW CHALLENGE FOR AFRICAIPv6 A NEW CHALLENGE FOR AFRICAIPv6 A NEW CHALLENGE FOR AFRICA
� Telecom Operators
Prepare the migration for existing services
– Establishment of a migration roadmap per service (progressive
migration of the services according to the availability and maturity of
the equipments),
In coherence with the renewal of the equipment and the terminals :
– To minimise the CAPEX
– The launched RFP will have obligatorily an IPv6 dedicated
chapter
The strategy of migration “dual-stack” is recommended for its reliability and
its flexibility:
– It will be focused in priority on the applications and the CPE
The new services will have to be studied « V6 ready »
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IPv6 A NEW CHALLENGE FOR AFRICAIPv6 A NEW CHALLENGE FOR AFRICAIPv6 A NEW CHALLENGE FOR AFRICA
� African Universities
- To integrate IPv6 modules in the network trainings
- To encourage the field of fundamental and applied research in IPv6
- Implementation of an IPv6 Backbone inter-connecting the main African
Universities
- Development of the Technical cooperation with Telecom Operators
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CASE STUDY : SONATEL’s IPv6 DEPLOYMENTCASE STUDY :CASE STUDY : SONATELSONATEL’’ss IPv6 DEPLOYMENTIPv6 DEPLOYMENT
� Acquisition of an IPv6 Prefix from AfriNIC 2001:4278::/32
� A Native IPv6 connectivity with 6bone via France Telecom
� Development of IPv6 Competencies
� Active member Task Force IPv6 Senegal
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CASE STUDY : SONATEL’s IPv6 DEPLOYMENTCASE STUDY : CASE STUDY : SONATELSONATEL’’ss IPv6 DEPLOYMENTIPv6 DEPLOYMENT
� ADSLv6 connectivity service (- Ongoing)
� Videoconferencing IPv6 (- Ongoing)
� VPNv6 (- Planned Q4 2007)
� E-learningv6 (Multicast)
� P2P Applications
� IPv6 applications in the context of mobility: VoIPv6 & Multimedia over
WiFi/WiMAX/3G
� VoIPv6
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Réseau IPv6 de
France Telecom's
Réseau IPv6
de SONATELFrance Telecom's IPv6
International network
(OpenTransitv6)
Latency, Packet loss, Jitter RTP metrics
France France France France Telecom/ParisTelecom/ParisTelecom/ParisTelecom/Paris
Tester le comportement de la visioconférence à travers une liaison IPv6 longue distance caractérisée par
un fort taux de perte de paquets, gigue, délai
1) Phase 1: Tester en local chez SONATEL
2) Phase 2: Tester entre Paris (FT) et Dakar(SONATEL)
Dakar/SONATELDakar/SONATELDakar/SONATELDakar/SONATEL
FranceFranceFranceFrance SenegalSenegalSenegalSenegal
CASE STUDY : SONATEL’s IPv6 DEPLOYMENT Videoconferencing Tests with FTCASE STUDY : CASE STUDY : SONATELSONATEL’’ss IPv6 DEPLOYMENT IPv6 DEPLOYMENT Videoconferencing Tests withVideoconferencing Tests with FTFT
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6VP
E
6VP
E
6VP
E
Backbone MPLS
(IPv4)
Site1
Client SONATEL
Site2
Client SONATEL
Site2
Client de SONATELK
Site1
Client de SONATEL
IPv6 link
MP-iBGP sessions
VRF
VRF
VRF
VRF
P routers
CE
CE
CE
CE
Description de l'expérimentation
– Mettre les VPNv6 au même niveau que les VPNv4
– Convergence entre IPv6 et IPv4 sur MPLS VPN (RFC 2547bis)
– Résout les limitations techniques des solutions basées sur IP-Sec
– Solutions sur la technologie MPLS largement épprouvée.
– Equipements industriels disponibles
– Ne rermet pas en cause le coeur de réseau IPv4 (donc économique)
– Seuls les routeurs de péréphérie(PE) sont impactés
CASE STUDY : SONATEL’s IPv6 DEPLOYMENT VPNv6 Tests CASE STUDY : CASE STUDY : SONATELSONATEL’’ss IPv6 DEPLOYMENT IPv6 DEPLOYMENT VPNv6 Tests VPNv6 Tests
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PAS (Radius Proxy)
Internet
RADIUS ISP
Authentication
CPE Backbone
De Collecte GE
RouterDSLAM
POP
BRAS IPv4PC
Authentication
IPv6/PPP
OBJECTIF : sur la base d'un accès ADSLv4
IPv4/PPP
Fournir un accès ADSLv6
Core NetworkUser
Network
Local Loop Backhaul Network
BRAS IPv6
CASE STUDY : SONATEL’s IPv6 DEPLOYMENT ADSLv6 Tests CASE STUDY : CASE STUDY : SONATELSONATEL’’ss IPv6 DEPLOYMENT IPv6 DEPLOYMENT ADSLv6 Tests ADSLv6 Tests