When%Is%IPv6%Only?...How%Soon%Is%Now?% • Name%of%the%Game%is%“When%Do%IAdd%IPv6?”% •...
Transcript of When%Is%IPv6%Only?...How%Soon%Is%Now?% • Name%of%the%Game%is%“When%Do%IAdd%IPv6?”% •...
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When Is IPv6 Only?
Lee Howard
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Strategy Problem
ISPs con<nue to support IPv4
Content and CE only support IPv4
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How Soon Is Now?
• Name of the Game is “When Do I Add IPv6?” • Object: Maximize profit, minimize cost – ISP: soon—IPv6-‐only is the only way to minimize cost
– Content: as late as possible without losing eyeballs – Consumer electronics: as late as possible without losing sales
”4.2 billion IPv4 addresses. 5 billion devices. 7 billion people.” -‐Lee Howard
Don’t be this guy
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ISP says “We’ll do IPv6-‐only”
You do IPv6
You don’t do IPv6
ISP does IPv6-‐only
ISP does CGN
ISP buys addresses
ISP does IPv6-‐only
ISP does CGN
ISP buys addresses
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Shall We Play a Game?
• ISPs offer IPv6-‐only service when the cost of IPv4 is greater than the risk of no-‐IPv4
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COST OF IPV4
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y = 0.9868x + 1.7385
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Total RIR Alloca2ons
Total RIR Alloca<ons
Linear(Total RIR Alloca<ons)
Source: NRO Sta<s<cs
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2012 2013E 2014E 2015E 2016E 2017E 2018E 2019E
Millions of A
ddresses
(RIR + M
arket)
IPv4 Address Supply
Supply (linear demand)
Supply (flat demand)
Supply (2012 rate)
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hgp://www.tndh.net/~tony/iej/ARIN-‐heavy-‐tail.JPG
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Buy Addresses or CGN?
2014 2015 2016 2017 2018 2019 2020 2021
Cost of IPv4 (price increase?)
$16 $18 $24 $40 $51 $60 $75 $100
Cost of CGN (at $6 + 1/10th address)
$7.60 $7.80 $8.40 $10 $11.10 $12 $13.50 $16
How do consumers respond to price increases?
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RISK OF IPV6
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IPv6-‐only: Risky Business?
• If content/app consumers want isn’t there, they may cancel. – Not all content is equally important hgp://6lab.cisco.com/stats/index.php • Weighted by # DNS queries • Thus, for any given AAAA query, what’s the probability that the site supports IPv6?
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hgp://6lab.cisco.com/stats/index.php
April 2013: 46% of AAAA queries are for an IPv6-‐enabled site, in the U.S. Gets to 63% if you add Amazon, Microsor, eBay, CraigsList, LinkedIn, Twiger, Disney/go
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Net New Subs 100,000
ARPU $400 Profit 35%
ISP Tac<cs Cost per Sub Percent at
Risk Likelihood of Risk
IPv6 Only $0 37% 25%
CGN $10 14% 50%
Buy IPv4 $40 10% 100% hgp://www.asgard.org/images/Game_Theory.xls
"Strangely enough, the results depend on what assump<ons you make.” -‐-‐David Conrad
Zoltar’s Crystal Ball
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Results (YMMV)
Triple Mix Impact Worst Case Scenario
IPv6 only CGN
Buy IPv4 Base Cost
Cost + (Risk * Likelihood) Cost + Risk
0% 100% 0% $1,000,000 $3,800,000 $6,600,000
0% 90% 10% $1,300,000 $4,220,000 $6,740,000
90% 10% 0% $100,000 $3,710,000 $13,980,000
10% 90% 0% $900,000 $3,790,000 $7,420,000
100% 0% 0% $0 $3,700,000 $14,800,000
0% 0% 100% $4,000,000 $8,000,000 $8,000,000
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ISPs support IPv6-‐only
Content and CE support IPv6
Summary • When Top 15 websites support IPv6
and • IPv4 address prices exceed $40, IPv6-‐only makes sense.
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Remaining Ques<ons
• Can the Internet industry work toward a common IPv6-‐only date?
• What do we need to do to set the right date? • Interim steps? – Test IPv6-‐only in lab – IPv6-‐only in the field for enthusiasts – IPv6-‐only prep day for content/electronics – Transi<on technologies to survive un<l the date
• Is degraded NAT64/NAT44 a required step?