ipv6 and telecom: ipv4 is finally running out. now what?
TRANSCRIPT
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IPv6 and Telecom IPv4 Is Finally Running Out… Now What?
Dan York, Internet Society
May 22, 2014
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Internet Society Deploy360 Programme
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Why IPv6?
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In The Beginning...
192.168.20.12
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Mobility
www.flickr.com/photos/kapungo/3396823518/
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A Plethora of Portable Platforms
www.flickr.com/photos/clonedmilkmen/5111779335/
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Internet of Things
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Everything over
IP
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Only 2-3 Billion People Are Online –
What About The Other 5 Billion?
And IPv4 only has 4.3 billion addresses!
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How IP Address Allocation Works
Regional Internet Registries (RIRs)
Internet Service Providers (ISPs)
You
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Global IPv4 Disparity !
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As of Feb 1, 2011...
Regional Internet Registries (RIRs)
Internet Service Providers (ISPs)
You
All Out!
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You http://www.potaroo.net/tools/ipv4/
It's Even Worse…
Regional Internet Registries (RIRs)
All Out!
Final Final
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https://www.arin.net/resources/request/ipv4_countdown.html
Here in North America…
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https://www.icann.org/news/announcement-2-2014-05-20-en
And this just in… (May 20, 2014)
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Solutions?
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IPv4 Marketplace
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Prolonging IPv4 - NAT Today
Firewall
ISP
Internet Firewall
IP Phone
PC
Home Firewall
Home
Public IP NAT
Private IP Addresses
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Carrier Grade NAT (a.k.a. LSN)
ISP
Internet Firewall
IP Phone
PC
Home Firewall
Home
Public IP NAT
Private IP Addresses
Firewall
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Old NATs Never Die...
ISP
Internet Firewall
IP Phone
PC
Home Firewall
Home
Public IP NAT
Private IP Addresses
Firewall
NAT Private IP Addresses
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The Problem?
SIP NAT
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Challenges with CGN/LSN
• Increased latency • Impact to communication, gaming, video streaming
• Challenges with logging
• Difficulty finding data for law enforcement agencies • Geoff Huston (APNIC) on CGN and law enforcement • http://www.potaroo.net/presentations/2014-03-12-cgns.pdf
• Added network complexity
• RFC 7021, Assessing the Impact of Carrier-Grade NAT on Network Applications
• https://tools.ietf.org/html/rfc7021
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And then there is...
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IPv6
2001:db8:34a5:23:aa1f:12f4:9009:1234
2001:db8:34a5:23::9009:1234
2001:db8::1234
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But… how do you enter IPv6 here?
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Also, the simple picture…
SIP Proxy
A
Alice Bob Media (RTP, MSRP, etc.)
SIP SIP
SIP Proxy
B SIP
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… is typically much more complex!
Internet (or WAN)
Alice Bob Media
SIP SIP
SIP Proxy
A SIP
SIP Proxy
B
SIP Proxy
N
SIP Proxy
D SIP
SIP Proxy
C SIP SIP
Media Proxy
A
Media Proxy
B Media Media
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The Good News!
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www.worldipv6launch.org/infographic/
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IPv6 Measurements - Google
http://www.google.com/ipv6/statistics.html
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IPv6 Measurements – Verizon Wireless
http://www.worldipv6launch.org/measurements/
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IPv6 Measurements – Network Operators
5/21/14 33
http://www.worldipv6launch.org/measurements/
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Telecommunications Providers in China
http://www.telecomasia.net/content/chinese-telcos-embark-ipv6-adoption
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IPv6 Works Fine!
Linphone – http://www.linphone.org Open source, free and available for Linux, Windows and MacOS X
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More SIP Softphones Supporting IPv6
Jitsi (formerly SIP Communicator)
§ www.jitsi.org – (also supports DNSSEC)
Counterpath Bria
§ www.counterpath.com
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In Fact, There Are Many More:
IP Phones (Desktop): • Avaya (unclear on exact models)
• Mitel 53xx Series • Mocet • Siemens OpenStage • Snom • Yealink SIP-T2x
Other SIP Devices • Cisco SIP Gateways ( ISR 28XX
& 38XX, AS5400 ) • Dialogic SBCs • Mediatrix • Mitel MiVoice Border Gateway
IP-PBXs/Call Servers • Asterisk 1.8+ • Brekeke SIP • Cisco Unified Communications
Manager 7.1 • Freeswitch 1.1+ • Kamailio 3.1+ • Microsoft Lync Server 2013 • OpenSIPS • Voxeo Prophecy and PRISM
SIP Services (in the cloud) • INUM.net
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www.internetsociety.org/deploy360/resources/ipv6-voip/
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WebRTC may be an answer…
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IPv6 Transition Technologies
http://www.ripe.net/lir-services/training/e-learning/ipv6/transition-mechanisms
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464XLAT
Mechanism to deploy IPv6-only networks that still access IPv4 content
RFC 6877 • http://tools.ietf.org/html/rfc6877
Blog post about using Skype on Android over IPv6-only • http://wp.me/p4eijv-4rn
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Next Steps
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Next Steps
1. Learn about IPV6!
2. Obtain IPv6 connectivity
3. Inventory your existing equipment and applications
4. Start specifying IPv6 as a requirement for new purchases § RIPE-554: http://www.ripe.net/ripe/docs/ripe-554
5. Set up a test lab
6. Join the SIP Forum IPv6 Task Group mailing list
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IETF Documents
RFC 6157 • “IPv6 Transition in the Session Initiation Protocol (SIP)” • http://tools.ietf.org/html/rfc6157
Interoperability Impacts of IPv6 Interworking with Existing IPv4 SIP Implementations
• http://tools.ietf.org/html/draft-klatsky-dispatch-ipv6-impact-ipv4
Locating Session Initiation Protocol (SIP) Servers in a Dual-Stack IP Network
• http://tools.ietf.org/html/draft-ietf-sipcore-dns-dual-stack
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SIP Forum “IPv6” Mailing List
sipforum.org/mailman/listinfo/ipv6
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SIPNOC 2014 – Comcast IPv6 Case Study
SIPNOC – SIP Network Operators Conference
June 9-12, 2014 Herndon, VA
http://www.sipnoc.org/
Tuesday, June 10, 10:00am US EDT
Comcast Voice IPv6 Deployment Lessons Learned Presented by Carl Klatsky, Comcast
• This presentation will review the successes, challenges, and lessons learned in deploying IPv6 support into Comcast's IMS based SIP voice network, in support of an upcoming IPv6 technical trial. The presentation will review the overall target architecture covering both access and network side elements, and share the lessons learned with the SIP community.
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SIPit Test Events
sipit.net
SIPit 30 – February 2013 – Raleigh-Durham, NC https://www.sipit.net/SIPit30_summary "55% of the implementations present supported IPv6." SIP 31 – September 29 – October 2, 2014 – Nice, France
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Other resources
Internet Society Deploy360 Programme
• www.internetsociety.org/deploy360/ipv6/
• www.internetsociety.org/deploy360/home/operators/
• www.internetsociety.org/deploy360/resources/ipv6-voip/
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Dan York Senior Content Strategist Internet Society
Thank You!