Internet Evolution and IPv6
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Transcript of Internet Evolution and IPv6
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Internet Evolution and IPv6
Paul Wilson APNIC
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Where are IPv6 addresses today?
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IPv6 – Global allocations by RIR
AFRINIC
37
2%
RIPENCC
737
45%
ARIN
438
27%
APNIC
337
21%
LACNIC
87
5%
Unit: IPv6 prefix
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4
IT
39
Other
581
CA
39
CH
37SE
33 TW
28
AT
27
KR45
FR
45
NL
59
US
391
DE
118
JP
99
GB
95
IPv6 – Global allocations by CC
Unit: IPv6 prefix
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IPv6 – Global allocations by CC
Unit: 32 prefix
TW
2309
4%
PL
2088
4%
Other
2936
5%
IT
4131
7%
KR
5191
9%
EU
6157
11%
DE
9580
17%
FR
8233
15%
AU
8206
15%
JP
7275
13%
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IPv6 – Global allocation growth
Unit: IPv6 prefix
0
20
40
60
80
100
120
140
160
180
1999 2000 2001 2002 2003 2004 2005 2006 2007
apnic
arin
lacnic
ripencc
afrinic
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Where is IPv6 being used today?
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IPv6 – routed prefixes
http://bgp.potaroo.net/v6/as6447
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IPv4 – routed prefixes
http://bgp.potaroo.net/as2.0/bgp-active.html
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IPv4 – routed ASNs
http://bgp.potaroo.net/as1221/bgp-active.html
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Those graphs again…
IPv6
IPv6 ASN IPv4 ASN
IPv4
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The InterNAT today
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The InterNAT Today
• Everything now engineered for NAT– Client-initiated transactions– Application-layer identities– Server agents for multi-party rendezvous– Multi-party shared NAT state
• Who bears the cost?– End users buy the NATs– Applications developers do the hard work– ISP costs are externalised
• Seems to work!
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Where is the ISP Industry?
• Telco consolidation…– Intense competition in the ISP industry has finished– The focus has shifted away from the ISP and away
carriage services and towards to content services
• Commoditization…– Mass market access deployment has marginal rates of
return on capital– ISP products remain undifferentiated – triple play, NGN
and IMS based products have so far failed to achieve visible takeup
• Stasis…– Low margins and poor capital return have created a
sluggish industry that is unresponsive to change– Resistive to efforts to evolve the IP level service model
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So what’s the problem?
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The problem is reality
• Technical– IPv6 is stable and well tested– But many technical issues are still being debated…
• “The perfect is the enemy of the good”
– Industry needs confidence and certainty
• Business– NAT has worked too well– Existing industry based on externalizing the costs for
address scarcity, and insecurity– Lack of investor interest in more infrastructure
investment• Short term interests vs long term imperatives
– IPv6 promotion - too much too early?• IPv6 may be seen as “tired” and not “wired”
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The result…
• Short term business pressures support the case for further deferral of IPv6 infrastructure investment
• There is insufficient linkage between the added cost, complexity and fragility of NAT-based applications and the costs of infrastructure deployment of IPv6
• An evolutionary adoption seems unlikely in today’s environment– …or in the foreseeable future
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The IPv4 revolution
• The 1990’s – a new world of… – Cheaper switching technologies – Cheaper bandwidth– Lower operational costs– The PC revolution, funded by users
• The Internet boom – The dumb (and cheap) network– Technical and business innovation at the ends– Many rewards for new services and innovation
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An IPv6 revolution…
• The 2000’s – a new world of…– Commodity Internet provision, lean and mean– Massive reduction in cost of consumer electronics– A network-ready society
• The IPv6 boom?– “Internet for Everything”– Serving the communications requirements of a device-
dense world– Device population some 2–3 orders of magnitude
larger than today’s Internet– Service costs must be cheaper by 2-3 orders of
magnitude – per packet
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IPv6 – From PC to iPOD to iPOT
• A world of billions of chattering devices
• Or even trillions…
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In conclusion…
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The IPv6 Challenge
• There are still too few compelling feature or revenue levers in IPv6 to drive new investments in existing service platforms
• But the silicon industry has made the shift from value to volume years ago
• The Internet industry might follow this lead– From value to volume in IP(v6) packets– Reducing packet transmission costs by orders of
magnitude– To an IPv6 Internet embracing a world of trillions of
devices– To a true utility model of service provision