World ipv6 Day Report
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World ipv6 Day Report World ipv6 Day Report Document Transcript

  • World IPv6 Day ReportA Look at IPv6 Trends June 2011
  • 1 World IPv6 Day OverviewWorld IPv6 day occurred on 8 June 2011 and was a global-scale test flight of IPv6 sponsored bythe Internet Society. The primary goal of the event was to motivate organizations across theindustry — Internet service providers, hardware makers, operating system vendors and webcompanies — to prepare their networks and associated IP services for IPv6 connectivity and toensure a successful transition as IPv4 address space runs out. Many web companies and otherindustry players enabled IPv6 on their main websites for a 24 hour period (and many willmaintain their IPv6 presence going forward.This report looks at a cross section of Procera’s customers that participated in World IPv6 Day,and the subscriber, application, and web trend in their networks associated with IPv6 usage. Itrepresents a customer base of millions of consumer broadband customers in North America,Asia, and Europe.World IPv6 Day Highlights: - World IPv6 day did not spike the total volume of IPv6 traffic overall, but more native IPv6 traffic was active on consumer broadband networks - Native IPv6 users were most likely to browse the web or consume streaming video - Google properties experienced the most traffic on consumer broadband networks, driven mainly by streaming video traffic. - Netflix over IPv6 also made appearances across North America - Teredo traffic still overwhelms native IPv6 on consumer broadband networks - Peer-to-Peer File sharing is still the most common application running on IPv6 (using Teredo tunnelling)Conclusion:Although World IPv6 Day can be considered a success in that it demonstrated that IPv6 contentis available and present, the infrastructure and consumer push to IPv6 still has a long way to go.Until IPv6 becomes the default mode of operation, and something that consumers do not haveto seek out on their own initiative, it is likely that IPv6 will remain a niche protocol in consumerbroadband networks. However, service providers and content providers that participated haveshown that IPv6 is viable, and a massive, world-wide concerted effort went into priming thesenetworks to operate using IPv6 for the first time, and once the consumer, device, and networkside of the problem is addressed, the content providers appear to be ready to deliver. Procera Networks World IPv6 Day Report ©2011 Procera Networks. All Rights Reserved. 2
  • 2 IPv6 prior to World IPv6 DayPrior to World IPv6 Day, IPv6 was a miniscule portion of traffic (on average less than 1%) onmost service provider networks. Most IPv6 traffic utilized Teredo tunneling for IPv6 connectivity,and very little native IPv6 traffic was present on consumer broadband networks. The subscribercount for users that are savvy enough to setup IPv6 and either arrange to setup a tunnel to anIPv6 capable provider, or subscribers that could get IPv6 service from their provider is a verysmall portion of the overall consumer footprint. The report shown to the left represents a number of sites for a particular customer and shows the distribution of traffic for a number of installed systems on June 7th. The amount of IPv6 traffic in total across all of the sites is approximately .2% of overall traffic on these networks. This is representative of ratios seen on most of the sites that participated in this study prior to World IPv6 Figure 1 - Total Traffic Distribution - June 7th Day.The good news is that there is some IPv6 traffic on consumer broadband networks today. Thequestion is what type of IPv6 traffic is being used by consumers?A look at trafficdistribution for IPv6traffic prior to WorldIPv6 Day on thesecustomer networksreveals that Teredo isthe most prominenttraffic type that utilizesIPv6, and very littlenative traffic wasrunning (even though itwas enabled by manyservice providers).Some applications (likeuTorrent) have theability to automaticallyuse Teredo, therebysimplifying IPv6 usage. Figure 2 - Mix of IPv6 Traffic – June 7th Procera Networks World IPv6 Day Report ©2011 Procera Networks. All Rights Reserved. 3
  • Although the traffic rates are low, the total number of users that are using Teredo at these sitesrepresents approximately 1600 users, and those users are using IPv6 for some applications.A closer look at the applications running over IPv6 across networks reveals that before IPv6World Day, the majority of application traffic running over IPv6 was primarily Peer-to-Peer filesharing traffic, with a small amount of web browsing and network protocols. A sample customerdistribution from another customer shows that their user base is using IPv6 to hide file sharingactivity (either to avoid application detection or potentially to make their identity more difficult todetermine through the use of a remote tunneling service. Web applications are receiving someusage by the sophisticated users, with streaming video prevalent. In this deployment, Procera’sVirtual Services capability has been used to create signatures for Facebook, Google, andBlogspot to follow some of the top websites in real time, and Skype also makes an appearance. Figure 3 - IPv6 Applications - June 7thSo there is some usage of IPv6 prior to World IPv6 day, and the reports shown arerepresentative of normal days going back several months of IPv6 usage. Will World IPv6 Daysubstantially change the amount of IPv6 traffic on these networks?3 World IPv6 Day TrendsWorld IPv6 Day lived up to the advance billing in some ways, with users and content providersattempting to run IPv6 for applications, as well as marketing their availability to their customerbase. However, a look at the number of users of IPv6 showed that the main users of native IPv6on World IPv6 Day were the same customers that had used IPv6 (in some form) prior to WorldIPv6 Day. Surveying across the customer base, only a small percentage of customers used Procera Networks World IPv6 Day Report ©2011 Procera Networks. All Rights Reserved. 4
  • IPv6 for the first time on June 8th (less than 1% of the IPv6 population). As a result, trafficvolumes for IPv6 did not change significantly on June 8th for most operators. Looking at the same customer as in the pre- World IPv6 Day traffic report shows that there was a bump in IPv6 usage, but the volume was still very low. In absolute terms, traffic went from .4TiB to .6TiB, but still represented just 0.2% of overall traffic on the network. So from an overall network percentage, World IPv6 Day did not dramatically increase the amount of Figure 4- Total Traffic Distribution - June 8th IPv6 traffic on this network.However, remember that the goal of World IPv6 Day was to raise awareness of IPv6 and toencourage service providers and content providers to enable native IPv6 support. Previously,Teredo was the main source of IPv6 traffic, and if World IPv6 Day was to be successful, NativeIPv6 traffic should show an increase, as well as other technologies that are not user-initiatedtunneling. Tech Note: There are a number of different technologies commonly used for IPv6 traffic today. The most commonly used today are: Teredo: Defined by IETF RFC 4380, Teredo tunnels IPv6 packets in IPv4 tunnels for hosts that have no access to a native IPv6 network 6 to 4: A technique that uses Protocol 41 tunneling to transport IPv6 packets between IPv6 hosts across an IPv4 network, or utilize 6 to 4 relay hosts between IPv6 islands 6rd: Named “Rapid Deployment” as it enables a service provider to offer 6 to 4 services in a simple manner within their own network to speed IPv6 adoption. Procera Networks World IPv6 Day Report ©2011 Procera Networks. All Rights Reserved. 5
  • A look at the same network as studied in Section 2 reveals that there was an increase in NativeIP (termed Residential and CPE) on World IPv6 Day, although Teredo is still the dominanttechnology used for IPv6 in this network (as in most around the world). Figure 5 - IPv6 Technology - June 6-8thAs this operator was one that has been encouraging and promoting the use and adoption ofIPv6 in their network, the growth of IPv6 usage on World IPv6 Day is encouraging. The use ofIPv6 in their network will enable them to offer more services that can be optimized on a per-device basis, as in an IPv6 deployment, each device can have a unique address and bemanaged individually, rather than sharing a single IP address through NAT, as is prevalent inmost consumer broadband networks today. It will also ease the crunch on the IP address space,which by most accounts is now exhausted from the bodies that oversee the distribution of IPaddresses.Another key goal of World IPv6 Day was to encourage content providers to enable IPv6 on theirwebsites and with their applications. It can be argued that this is a more important goal forWorld IPv6 Day, as until content is available over IPv6, there is little drive for consumers tomigrate to IPv6.A survey of application usage during World IPv6 Day showed a key shift to more usage ofcommercial web sites and general HTTP browsing, as well as the appearance of streamingvideo traffic as a statistically significant portion of IPv6 traffic. A look at a customer networkshows that file sharing (running over Teredo) is still the major bandwidth utilization for IPv6, but Procera Networks World IPv6 Day Report ©2011 Procera Networks. All Rights Reserved. 6
  • some other applications feature more prominently during World IPv6 Day, namely Netflix, FlashVideo over HTTP, and HTTP browsing. Figure 6 - IPv6 Application Distribution, June 6-8thA look at HTTP Browsing and YouTube specifically reveals that World IPv6 Day had an effecton those traffic types: Figure 7- June 7-9th - IPv6 YouTube and Web Browsing Procera Networks World IPv6 Day Report ©2011 Procera Networks. All Rights Reserved. 7
  • A look at a different customer network running IPv6 shows a few other applications running onIPv6 that are different, namely Skype and even a user accessing the Android Market over IPv6.The number 88 at the top corner of this graph indicates that on this network, 88 differentservices were accessed with IPv6 (or 88 signatures matched IPv6 traffic) Figure 8 - IPv6 Application Distribution - June 8thAs expected, many top websites actively promoted their IPv6 sites, and based on total volumeof traffic to sites, the Google owned sites were the most heavily used (mainly due to streamingvideo usage), with Facebook and other tech-savvy sites also appearing on the list. Figure 9 - Customer Snapshot - Top IPv6 Websites Procera Networks World IPv6 Day Report ©2011 Procera Networks. All Rights Reserved. 8
  • 4 Report MethodologyThis report contains data from a number of fixed line operators serving millions of subscribersthat have deployed Procera’s IPv6 capable Intelligent Policy Enforcement solutions, and whoparticipated in the World IPv6 Day test. Without the efforts of the Internet Society and all of theservice providers and content providers that participated, this report would not have beenpossible. As IPv6 becomes more prevalent, the sample size for this report will increase, and ifall goes according to plan, the need for an IPv6 specific report will evaporate.All reports were generated with information gathered on Procera’s PacketLogic Real-TimeEnforcement systems and information stored in the PacketLogic Intelligence Center.Although snapshots from various customers are displayed, no specific user information wasgathered or tracked during this study, only general usage and application trends. No correlationwas done between networks, applications, or users as part of the compilation of data. Thereports for most providers showed similar trends in IPv6 usage, and each report wasrepresentative of the data sampled from all providers that participated in the study. Procera Networks World IPv6 Day Report ©2011 Procera Networks. All Rights Reserved. 9