Dan York - Presentation at Emerging Communications Conference & Awards (eComm 2011)
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Transcript of Dan York - Presentation at Emerging Communications Conference & Awards (eComm 2011)
![Page 1: Dan York - Presentation at Emerging Communications Conference & Awards (eComm 2011)](https://reader037.fdocuments.us/reader037/viewer/2022110114/54647b09af79594f398b774d/html5/thumbnails/1.jpg)
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How IPv6 Will Kill Telecom – And What We Need To Do About It
June 27, 2011 Dan York
Dir. of Conversations
twitter.com/danyork
twitter.com/voxeo
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Dan York
www.danyork.com
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
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Why IPv6?
![Page 6: Dan York - Presentation at Emerging Communications Conference & Awards (eComm 2011)](https://reader037.fdocuments.us/reader037/viewer/2022110114/54647b09af79594f398b774d/html5/thumbnails/6.jpg)
© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
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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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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
A Plethora of Portable Platforms
www.flickr.com/photos/clonedmilkmen/5111779335/
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Internet of Things
www.flickr.com/photos/dmje/5159177886/
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Internet of Things
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Internet of Things
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
EVERYTHINGover
IP
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
How IP Address Allocation Works
Regional Internet Registries (RIRs)
Internet Service Providers (ISPs)
You
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Global IPv4 Disparity
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Oops... as of Feb 1, 2011...
Regional Internet Registries (RIRs)
Internet Service Providers (ISPs)
You
All Gone!
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Solutions?
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv4 Marketplace
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Prolonging IPv4 - NAT Today
Firewall
ISP
Internet Firewall
IPPhone
PC
Home Firewal
l
Home
Public IPNAT Private IP
Addresses
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Carrier Grade NAT (a.k.a. LSN)
ISP
Internet Firewall
IPPhone
PC
Home Firewal
l
Home
Public IPNAT Private IP
Addresses
Firewall
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Old NATs Never Die...
ISP
Internet Firewall
IPPhone
PC
Home Firewal
l
Home
Public IPNAT Private IP
Addresses
Firewall
NAT Private IPAddresses
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
The Problem?
SIP NAT
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Oh, and by the way...
(sorry... we still have NAT-like networks with IPv6...)
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And then there is...
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Challenge #1 For VoIP and UC Apps:
How Many Digits Is That?
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See the problem?
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See the problem?
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv4
192.168.20.12
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6
2001:db8:34a5:23:aa1f:12f4:9009:1234
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 Address Compression
2001:db8:34a5:0:0:0:0:1
2001:db8:34a5::1
(oh, and they aren’t case-sensitive)
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 Address Compression
127.0.0.1::1
0.0.0.0::
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
DNS is your friend!
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Challenge #2 For VoIP and UC Apps:
Where’s The Nearest Port?
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv4 Port Numbers
192.168.20.12:5060
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv4 Port Numbers in IPv6?
192.168.20.12:5060
2001:db8:34a5::1234:5060
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 Port Numbers
[2001:db8:34a5::1234]:5060
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 addressing
http://[2001:db8:34a5::1234]/index.html
http://[2001:db8:34a5::1234]:8080
sip:dan@[2001:db8:34a5::1234]
sip:dan@[2001:db8:34a5::1234]:5060
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
DNS is your friend!
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Challenge #3 For VoIP and UC Apps:
What’s the Address?
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 – Multiple Addresses / Interface
192.168.20.12
2001:db8:34a5:92:21c:a5ff:fe12:3a80(global)
fe80::21c:a5ff:fe12:3a80(link-local)
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 – Neighbor Discovery
No More DHCP For Address Assignment
(well, unless you want it)
Router Advertisements
Also Replaces ARP
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 – Address Creation
2001:db8:34a5:92:21c:a5ff:fe12:3a80
Router Advertisement
Autoconfiguration fromEthernet Address
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
DNS is your friend!
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Challenge #4 For VoIP and UC Apps:
How Many A’s Do You Want With That?
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv4 and DNS
example.com 3600 IN A 192.168.20.12
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 and DNS
example.com 3600 IN A 192.168.20.12
example.com 3600 IN AAAA 2001:db8:34a5::1234
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 DNS Fun
What if DNS gives a AAAA....
but your system doesn’t have “real” IPv6 connectivity?
(You can retrieve AAAA records over IPv4!)
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
UNhappy Eyeballs
You
DNSSvr
example.com A 192.168.20.12example.com AAAA 2001:db8:34a5::1234
AAAA
(a long time later...)
A
?
?
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Happy Eyeballs
You
DNSSvr
example.com A 192.168.20.12example.com AAAA 2001:db8:34a5::1234
AAAA
A?
?
(sent at same time;whichever replies first wins)
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Happy Eyeballs
draft-ietf-v6ops-happy-eyeballs
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Challenge #5 For VoIP and UC Apps:
What Lies Buried Within?
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
How Do You Store IP Addresses?
Memory?
Databases?
Config Files?
Room for two? (or more?)
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Config Files
<category name="SIP">
<item name="Server1">127.0.0.1:5060 </item>
</category>
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 Works Fine!
Linphone – http://www.linphone.orgOpen source, free and available for Linux, Windows and MacOS X
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
Linphone and IPv6
Linphone – http://www.linphone.orgOpen source, free and available for Linux, Windows and MacOS X
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
RFC 6157
RFC 6157
“IPv6 Transition in the Session Initiation Protocol (SIP)”
tools.ietf.org/html/rfc6157
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SIP Architecture
SIP Proxy
A
Alice BobMedia (RTP, MSRP, etc.)
SIPSIP
SIP Proxy
BSIP
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SIP Reality
Internet (or WAN)
Alice BobMedia
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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“SIP” = Multiple Protocols
SIPSDP
RTP
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv4/IPv6 Fun
Communicating between IPv4 client and IPv6 client through a proxy• Record-Route: <sip:2001:db8::1;lr>
• Record-Route: <sip:192.0.2.1;lr>
Mixed communication across a path of proxies
Mixed communication: IPv6 for SIP, IPv4 for media
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
IPv6 and SDP
Only allows a single IP address per media stream (“c=“ parameter)• c=IN IP4 192.168.20.12
• c=IN IP6 2001:db8:34a5::1234
Multiple proposals for additional SDP parameters• ex. ANAT - RFC 4091 & 4092 – now deprecated
by ICE
The IETF way forward is ICE – RFC 5245
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NAT, NAT, NAT...
STUN, TURN, ICE
(RFC 5245)
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Discovery of SIP Servers
User agents need to find SIP servers/proxies
DHCPv6 • SIP Options in RFC 3319
DNS SRV, NAPTR and AAAA Records (RFC 3263)
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Other IPv6 Considerations
Other interfaces• Web and management systems
• Logging
• APIs
Custom SIP headers
Multi-vendor interoperability
SBC and firewall support for SIP over IPv6
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© Voxeo Corporation© Voxeo Corporation© Voxeo Corporation
SIP Forum “IPv6” Mailing List
sipforum.org/mailman/listinfo/ipv6
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SIPit Test Events
sipit.net
SIPit 28: “68% of the implementations present supported IPv6.”
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Get Started With IPv6...
http://bit.ly/voxeoipv6
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Set up Test Lab or your Home Office
http://tunnelbroker.net
www.test-ipv6.comwww.ipv6-test.com
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SIP Softphones Supporting IPv6
Linphone• www.linphone.org
Jitsi (formerly SIP Communicator)• www.jitsi.org
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Olle Would Want Me To Mention...
Asterisk 1.8
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Jonathan Would Want Me To Mention...
Voxeo Prophecy 10.1
• Standards-based platform for speech, IVR and SIP applications
• Downloads and installs in minutes; Scales from 2 ports to 10’s of thousands of ports
• World’s most compatible and compliant VoiceXML and CCXML
Voxeo PRISM 10.1
• Real-time Communications Application Server
• Supports Converged SIP, Web and XMPP applications.
• Carrier grade high performance platform with full support of high availability and session replication
Free developer versions for Windows, Linux, Mac OS X
www.voxeo.com/prophecywww.voxeo.com/prism
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Marc Would Want Me To Mention...
sipforum.org/mailman/listinfo/ipv6
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Q&A
Visit our IPv6 resource page and read our IPv6 blog posts:
• http://bit.ly/voxeoipv6
Dan York
• sip:[email protected]
• skype:danyork
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