{"id":2723,"date":"2016-05-10T16:30:18","date_gmt":"2016-05-10T16:30:18","guid":{"rendered":"https:\/\/live-infoblox-blog.pantheonsite.io\/?p=2723"},"modified":"2020-05-06T10:28:07","modified_gmt":"2020-05-06T17:28:07","slug":"can-ipv6-really-be-faster-than-ipv4-part-1","status":"publish","type":"post","link":"https:\/\/www.infoblox.com\/blog\/ipv6-coe\/can-ipv6-really-be-faster-than-ipv4-part-1\/","title":{"rendered":"Can IPv6 Really Be Faster than IPv4? (Part 1)"},"content":{"rendered":"<p>Exploring if IPv6 is actually faster across the Internet than IPv4<\/p>\n<h2 id=\"toc-hId-649878342\">NANOG Presentations on IPv6 Performance<\/h2>\n<p>One way to explore how the Internet functions is to ask those service providers that actually provide core Internet network infrastructure.\u00a0 A good place to start investigating IPv6 adoption is to ask those Internet service providers that form the Internet backbone and connect people to it.\u00a0 The North American Network Operators Group (<a href=\"https:\/\/www.nanog.org\/about\/home\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">NANOG<\/a>) is just such an organization that brings together those ISPs that construct the Internet.<\/p>\n<p>At the recent\u00a0<a href=\"https:\/\/www.nanog.org\/meetings\/nanog66\/home\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">NANOG 66<\/a>\u00a0meeting in San Diego (February 8-10, 2016) there was an intriguingly-titled presentation \u201c<a class=\" bf_ungated_init\" href=\"https:\/\/www.nanog.org\/sites\/default\/files\/Huston_Is_Ipv6.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Is IPv6 Really Faster?<\/a>\u201d by Geoff Huston of APNIC.\u00a0 Geoff showed his gathered measurements obtained through providing IP-protocol-specific ads and by analyzing the resulting statistics.\u00a0 His presentation showed how 6to4 and Teredo contributed to most of the IPv6 connection failures.\u00a0 His statistics showed that IPv6 still has more connection failures than IPv4.\u00a0 His colorful graphs showed that IPv6 was slower than IPv4 back in 2012, but more current data shows that IPv6 is improving and can be equal to IPv4, and may even be faster than IPv4 in some cases.\u00a0 Geoff Huston was also interviewed on the topic of \u201c<a href=\"https:\/\/www.facebook.com\/APNIC\/videos\/10153289860776058\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Is IPv6 faster than IPv4?<\/a>\u201d where he discussed how IPv4 and IPv6 are very equivalent.\u00a0 Below is a picture from his presentation comparing native IPv6 (blue line) to 6to4 tunneled traffic (green line).<\/p>\n<p><span class=\"lia-message-image-wrapper\"><img decoding=\"async\" class=\"lia-media-image\" tabindex=\"0\" title=\"Geoff Huston graph-small.jpg\" src=\"https:\/\/cixhp49439.i.lithium.com\/t5\/image\/serverpage\/image-id\/590i88371BF1852D4C01\/image-size\/original?v=v2&amp;px=-1\" alt=\"Geoff Huston graph-small.jpg\" border=\"0\" \/><i class=\"lia-fa lia-fa-search-plus lia-media-lightbox-trigger\" tabindex=\"0\" aria-label=\"Enlarge image\"><\/i><\/span><\/p>\n<p>Geoff Huston also wrote an article titled \u201c<a href=\"https:\/\/labs.ripe.net\/Members\/gih\/examining-ipv6-performance\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Examining IPv6 Performance<\/a>\u201d on November 26, 2015.\u00a0 Similar to his NANOG 66 presentation, he noted that one of the main issues that negatively affects IPv6 performance is the remaining systems that are still using 6to4 and Teredo tunnels.<\/p>\n<p>Along these lines, there have been discussions at the IETF and in other forums to deprecate\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/6to4\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">6to4<\/a>\u00a0and\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Teredo_tunneling\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Teredo tunneling<\/a>\u00a0mechanisms.\u00a0 Almost a year ago, the IETF published\u00a0<a href=\"https:\/\/tools.ietf.org\/html\/rfc7526\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">RFC 7526<\/a>, \u201cDeprecating the Anycast Prefix for 6to4 Relay Routers.\u201d\u00a0 However, Microsoft still has plans to use Teredo for Xbox, although they may be\u00a0<a href=\"https:\/\/labs.ripe.net\/Members\/mirjam\/usage-of-teredo-and-ipv6-for-p2p-on-windows-10-and-xbox-one\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">deprecating their Teredo servers<\/a>\u00a0for Windows systems.<\/p>\n<p>At the\u00a0<a href=\"https:\/\/www.nanog.org\/meetings\/nanog64\/home\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">NANOG 64 event in San Francisco, CA June 1-3, 2015<\/a>, there was a presentation titled \u201c<a class=\" bf_ungated_init\" href=\"https:\/\/www.nanog.org\/sites\/default\/files\/meetings\/NANOG64\/1027\/20150602_Azimov_Latency_Ipv4_Vs_v1.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Latency IPv4 vs IPv6: Understanding the difference<\/a>\u201d by Alexander Azimov, Qrator Labs.\u00a0 Alexander\u2019s\u00a0<a href=\"https:\/\/www.youtube.com\/watch?v=JFPQ5e52-vg\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">presentation<\/a>\u00a0started off by referencing a 2010 paper written by the Google team of Lorenzo Colitti, Steinar H. Gunderson, Erik Kline, and Tiziana Refice, titled \u201c<a class=\" bf_ungated_init\" href=\"http:\/\/static.googleusercontent.com\/media\/research.google.com\/en\/pubs\/archive\/36240.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Evaluating IPv6 Adoption in the Internet<\/a>\u201d that was the first evidence that native IPv6 connectivity might be faster than IPv4 is some situations.\u00a0 Alexander\u2019s presentation analyzed the BGP ASNs of service providers and discovered a\u00a0<a href=\"http:\/\/www.networkworld.com\/article\/2227139\/cisco-subnet\/cisco-subnet-tier-1-for-ipv4-tier-1-for-ipv6.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">disparity between Tier 1 providers for IPv4 and IPv6<\/a>.<\/p>\n<p>Also, at NANOG 64, there was a presentation titled \u201c<a class=\" bf_ungated_init\" href=\"https:\/\/www.nanog.org\/sites\/default\/files\/meetings\/NANOG64\/1033\/20150602_Huston_The_Benefits_Of_v3.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">The benefits of deploying IPv6 only<\/a>\u201d by John Jason Brzozowski of Comcast, Geoff Huston of APNIC, Gaurav Madan of T-Mobile, and Paul Saab of Facebook.\u00a0 This presentation went over the IPv6 deployments of these service providers and one of the benefits each of the presenters spoke about was that IPv6 performs better than IPv4.\u00a0 During this presentation Paul Saab of Facebook showed that with their\u00a0<a href=\"https:\/\/www.youtube.com\/watch?v=ngBiMCLxn8Y\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Mobile Proxygen<\/a>\u00a0code that they can control and measure traffic over one specific mobile carrier and discovered that native IPv6 was 40% faster than IPv4.<\/p>\n<h2 id=\"toc-hId-678507493\">Facebook\u2019s Experiences<\/h2>\n<p>For many years, Facebook has been a proponent of IPv6.\u00a0 Facebook participated in the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/World_IPv6_Day_and_World_IPv6_Launch_Day\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">World IPv6 Day event in 2011 and the World IPv6 Launch events<\/a>.\u00a0 Their goals to build an\u00a0<a href=\"http:\/\/www.internetsociety.org\/deploy360\/resources\/case-study-facebook-moving-to-an-ipv6-only-internal-network\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">IPv6-only infrastructure<\/a>\u00a0have been widely publicized.\u00a0 To Facebook, Internet performance is essential to making their user\u2019s application experience the best it can be.\u00a0 Facebook prefers IPv6 transport for users reaching their platform because they believe that it is faster.<\/p>\n<p>Paul Saab of Facebook has been involved in deploying IPv6 in their infrastructure for many years and has given many\u00a0<a class=\" bf_ungated_init\" href=\"http:\/\/www.ipv6forum.com\/dl\/presentations\/PaulSaab.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">presentations<\/a>\u00a0on their experiences.\u00a0 Paul gave a presentation at the\u00a0<a href=\"http:\/\/www.uppersideconferences.com\/ipv6\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">V6 World Congress 2015<\/a>\u00a0event in Paris March 17-18, 2015.\u00a0 His presentation covered \u201c<a href=\"https:\/\/www.youtube.com\/watch?v=An7s25FSK0U&amp;feature=youtu.be&amp;t=19m\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Facebook IPv6 Strategy<\/a>\u201d and he mentioned that IPv6 is notably faster for Facebook users.\u00a0 Paul was quoted as saying \u201c<a href=\"http:\/\/www.internetsociety.org\/deploy360\/blog\/2015\/04\/facebook-news-feeds-load-20-40-faster-over-ipv6\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Facebook says it has seen users\u2019 News Feeds loading 20 percent to 40 percent faster on mobile device&#8230;<\/a>\u201d.\u00a0 Below is a graph that shows that IPv6 is better than IPv4 from Facebook\u2019s perspective.<\/p>\n<p><span class=\"lia-message-image-wrapper\"><img decoding=\"async\" class=\"lia-media-image\" tabindex=\"0\" title=\"Paul Saab - small.png\" src=\"https:\/\/cixhp49439.i.lithium.com\/t5\/image\/serverpage\/image-id\/591i0C0897902218F322\/image-size\/original?v=v2&amp;px=-1\" alt=\"Paul Saab - small.png\" border=\"0\" \/><i class=\"lia-fa lia-fa-search-plus lia-media-lightbox-trigger\" tabindex=\"0\" aria-label=\"Enlarge image\"><\/i><\/span><\/p>\n<p>Paul mentioned that one key problem limiting IPv6 adoption is the way that Java code is frequently written to use IPv4 and not use IPv6.\u00a0 This issue has been\u00a0<a href=\"http:\/\/docs.oracle.com\/javase\/1.5.0\/docs\/guide\/net\/ipv6_guide\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">well-documented<\/a>\u00a0and there are ways to write effective dual-protocol Java code. But education is required for developers so they do not inadvertently disable IPv6.<\/p>\n<p>Paul Saab also gave a presentation\u00a0<a href=\"https:\/\/www.atscaleconference.com\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">@Scale Conference in September 2015<\/a>\u00a0titled \u201c<a href=\"https:\/\/www.atscaleconference.com\/schedule#session\/ipv6-is-here-and-you-re-hurting-your-users\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Facebook: IPv6 is Here and You&#8217;re Hurting your Users<\/a>\u201d or \u201c<a href=\"https:\/\/www.youtube.com\/watch?v=_7rcAIbvzVY\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Embracing IPv6 for Optimal Performance<\/a>\u201d where he stated that IPv6 was 15% faster than IPv4.\u00a0 At that time, Paul noted that over 10% worldwide Facebook users access their platform over IPv6, and over 20% of the Facebook users in the United States use IPv6 to reach their platform.\u00a0 It was also mentioned by Samir Vaidya, Director of device technology for Verizon, that 80% of Verizon\u2019s mobile user traffic to Facebook now uses IPv6.<\/p>\n<p>From these presentations, it is conceivable that if IPv6 provides better performance for Facebook then IPv6 may do the same for any other company (and their application or services).<\/p>\n<h2 id=\"toc-hId-707136644\">HE IPv6 Deployment Progress<\/h2>\n<p><a href=\"http:\/\/www.he.net\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Hurricane Electric<\/a>\u00a0(HE) continually updates its\u00a0<a href=\"http:\/\/bgp.he.net\/ipv6-progress-report.cgi\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Global IPv6 Deployment Progress Report<\/a>\u00a0with valuable data points about IPv4 and IPv6 comparing the two.\u00a0 There is a section of this report titled \u201cIPv6 Performance\u201d which reviews performance of DNS servers.\u00a0 Here is an excerpt from a recent report:<\/p>\n<p>\u201cActually, the reason we looked at IPv6 reverse DNS servers was to get some hosts on both IPv6 and IPv4 so that we can compare IPv6 vs IPv4 latency.<\/p>\n<p>IPv6 rDNS Nameservers where IPv6 is faster than IPv4 (by more than 1ms): 1731<\/p>\n<p>IPv6 rDNS Nameservers where IPv4 and IPv6 are the same speed (within 1ms): 1456<\/p>\n<p>IPv6 rDNS Nameservers where IPv4 is faster than IPv6 (by more than 1ms): 1004<\/p>\n<p>IPv6 rDNS nameservers where IPv6 is as fast or faster than IPv4 (within 1ms): 3187<\/p>\n<p>Percentage of IPv6 rDNS Nameservers where IPv6 is as fast or faster than IPv4 (within 1ms): 76.0%\u201d<\/p>\n<p>We can see from this report that IPv6 can be faster than IPv4 in at least three-fourths of the cases where both protocols are active.<\/p>\n<h2 id=\"toc-hId-735765795\">Conclusions<\/h2>\n<p>Clearly, it is too early to declare that IPv6 always provides better performance than IPv4.\u00a0 IPv6 is still building momentum, but all the adoption graphs are displaying the \u201chockey-stick\u201d property of rapidly going up and to the right.\u00a0 Today, depending on where you take your measurement, IPv6 can represent 10% to 20% of the total network traffic volume.\u00a0 However, it may still be a few years until IPv6 is 50% of the Internet\u2019s traffic.\u00a0 Remember, that for every Facebook feed that loads over IPv6, it is one less Facebook feed that loaded over IPv4.<\/p>\n<p>The IETF continues to create RFCs that refine and extend the IPv6 protocol.\u00a0 IPv6 will never be finalized, just as IPv4 continues to be a work-in-progress.\u00a0 The IETF may be taking steps to deprecate 6to4 and Teredo and vendors could soon remove these services from their end nodes. \u00a0Geoff Huston wrote a recent article titled \u201c<a href=\"http:\/\/www.potaroo.net\/ispcol\/2016-04\/ipv6std.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Declaring IPv6 an Internet Standard<\/a>\u201d that discusses how there is still work to be done on IPv6 and how the IETF should finally fully commit to IPv6.<\/p>\n<p>In the second part of this blog, we will explore the characteristics of IPv6 that have the potential to make it faster than IPv4.\u00a0 We will also review how you can test if your performance over IPv4 and IPv6 vary and confirm which one may be faster.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exploring if IPv6 is actually faster across the Internet than IPv4 NANOG Presentations on IPv6 Performance One way to explore how the Internet functions is to ask those service providers that actually provide core Internet network infrastructure.\u00a0 A good place to start investigating IPv6 adoption is to ask those Internet service providers that form the [&hellip;]<\/p>\n","protected":false},"author":321,"featured_media":2724,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[17],"tags":[38,31],"class_list":{"0":"post-2723","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ipv6-coe","8":"tag-ipv6","9":"tag-networking","10":"entry"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Can IPv6 Really Be Faster than IPv4? 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