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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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www.internetsociety.org/deploy360
Internet Society Deploy360 Programme
www.internetsociety.org/deploy360/
IPv6, DNSSEC, Securing BGP, TLS for Applications
knowledge base including tutorials, case studies, training
resources, etc.
Content specific to:
– Network Operators
– Developers
– Content Providers
– Consumer Electronics
Manufacturers
– Enterprise Customers
Blog posts

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www.internetsociety.org/deploy360
Web Portal
(Online Knowledge Repository)
• Technical documents
• Audience-specific information
• Blogs & social media
Social Media
(Constant Audience Engagement)
• Twitter
• Facebook
• Google+
• YouTube
• RSS Feeds
Speaking Engagements
(Come Meet Us or Invite Us to Speak)
• IPv6 Summits
• Interop Events
• Network Operators’ Groups
ION Conferences
(Hands-on Educational Events)
• Djibouti (May 2014)
• Ireland (Sep 2014)
• Chile (Oct 2014)
• Canada (Nov 2013)
• Poland (Sep 2013)
Deploy360 Components

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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
IPv4 Marketplace

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www.internetsociety.org/deploy360
Prolonging IPv4 - NAT Today
Firewall
ISP
Internet Firewall
IP
Phone
PC
Home
Firewall
Home
Public
IP
NAT
Private
IP
Addresses

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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
Also, the simple picture…
SIP
Proxy
A
Alice Bob
Media (RTP, MSRP, etc.)
SIPSIP
SIP
Proxy
BSIP

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www.internetsociety.org/deploy360
… is typically much more complex!
Internet (or WAN)
Alice Bob
Media
SIPSIP
SIP
Proxy
A SIP
SIP
Proxy
B
SIP
Proxy
N
SIP
Proxy
D SIP
SIP
Proxy
CSIP SIP
Media
Proxy
A
Media
Proxy
BMedia 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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
IPv6 Works Fine!
Linphone – http://www.linphone.org
Open source, free and available for Linux, Windows and MacOS X

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www.internetsociety.org/deploy360
More SIP Softphones Supporting IPv6
Jitsi (formerly SIP Communicator)
§ www.jitsi.org
– (also supports DNSSEC)
Counterpath Bria
§ www.counterpath.com

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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
Next Steps

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www.internetsociety.org/deploy360
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
42

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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
SIP Forum “IPv6” Mailing List
sipforum.org/mailman/listinfo/ipv6

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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
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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www.internetsociety.org/deploy360
york@isoc.org
Dan York
Senior Content Strategist
Internet Society
Thank You!