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Connectivity  Colocation  Cloud Services Why You Can’t Ignore IPv6 Presented by Kirk Coviello VP of Support Services, Digital West Networks, Inc.

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Presentation on theme: "Connectivity  Colocation  Cloud Services Why You Can’t Ignore IPv6 Presented by Kirk Coviello VP of Support Services, Digital West Networks, Inc."— Presentation transcript:

1 Connectivity  Colocation  Cloud Services Why You Can’t Ignore IPv6 Presented by Kirk Coviello VP of Support Services, Digital West Networks, Inc.

2 Connectivity  Colocation  Cloud Services Agenda What is IPv6 and how does it differ from IPv4? Why do I need to deal with IPv6 now? What should I do about IPv6? How should I go about deploying IPv6?

3 Connectivity  Colocation  Cloud Services What is IPv6? How does it differ from IPv4?

4 Connectivity  Colocation  Cloud Services What is IPv6? New numbering scheme for the Internet Think of the phone book: = Now, imagine an Area Code Split…

5 Connectivity  Colocation  Cloud Services How does IPv6 differ from IPv4? IPv4 Address Range – a 32-bit length divided into 4 “octets”: > Sample IPv4 Address:

6 Connectivity  Colocation  Cloud Services How does IPv6 differ from IPv4? IPv6 Address Range – 128-bit length divided into 8 hexadecimal groups Sample IPv6 Address: 2001:48C0:1001:0009:0000:0000:00ac:58ce 2001:48C0:1001:0009:0:0:00ac:58ce 2001:48C0:1001:0009::00ac:58ce

7 Connectivity  Colocation  Cloud Services How does IPv6 differ from IPv4? Total “available”* IPv4 addresses: 4,294,967,296 Total “available” IPv6 addresses: 340,282,366,920,938,463,463,374,607,431, 768,211,456 – 340 “undecillion”!!! (*- not all of these are “usable”)

8 Connectivity  Colocation  Cloud Services IPv6: Bigger, Better, Leaner, Faster More address space! Built with future features in mind (Multicast and QOS) Smaller routing tables Smaller header Elimination of Network Address Translation

9 Connectivity  Colocation  Cloud Services A Brief Primer on NAT:

10 Connectivity  Colocation  Cloud Services A Long Time Ago in a Laboratory Far, Far Away… IP was originally meant for sharing data, not protecting it The Internet was a “closed open” network IPv6 was in development before NAT NAT will be unnecessary in the long term

11 Connectivity  Colocation  Cloud Services Why do I need to deal with IPv6 now?

12 Connectivity  Colocation  Cloud Services IPv6 Has Real Benefits Quality of Service (QOS) is better Simplified header = faster processing Scalability (larger # of addresses) Simpler to subnet (consistent /64 parcels) IPv6 is already here…

13 Connectivity  Colocation  Cloud Services You’re soaking in it already!

14 Connectivity  Colocation  Cloud Services Can’t Sleep, Hackers Will Eat Me…

15 Connectivity  Colocation  Cloud Services IPv6, Your Firewall, and You: IPv6 includes auto-discovery protocol IPv6 can tunnel over IPv4 IPv6-aware routers will pass this traffic - unless prevented Documented cases exist of IPv6 “conversations” entering networks via the Internet based on Toredo and other tunneling protocols

16 Connectivity  Colocation  Cloud Services What should I do about IPv6?

17 Connectivity  Colocation  Cloud Services Please Don’t Do This:

18 Connectivity  Colocation  Cloud Services Other Options? Turn OFF IPv6 everywhere? No. Turn ON IPv6 everywhere? No. Run out and apply for IPv6 space? Change to an ISP that offers IPv6? Maybe…

19 Connectivity  Colocation  Cloud Services Network Administrators: Get RILED About IPv6! Review – IPv6 Technology Investigate – Your network topology Learn – Wireshark or other tools Evaluate – Your security policies and options for internal and external IPv6 Deploy – IPv6 where it makes sense

20 Connectivity  Colocation  Cloud Services How should I go about deploying IPv6?

21 Connectivity  Colocation  Cloud Services Divide and Conquer… External resources need IPv6 first Internal resources WILL need it eventually Start querying your software vendors NOW about IPv6

22 Connectivity  Colocation  Cloud Services Dual-Stack for Your Convenience: Concurrent IPv4 and IPv6 inevitable Multiple IPv6 transition mechanisms: (Teredo, ISATAP, 6to4, 6in4, 6over4, etc.) DNS Records at Digital West started advertising IPv6 over a year ago

23 Connectivity  Colocation  Cloud Services PPPPPPP… Plan to adopt now so that you’re not forced to later Check with your ISP to see what they are doing with IPv6 Check with your hardware vendors: –Routers (SOHO devices not IPv6-aware) –VoIP PBX/Phones –Print Servers

24 Connectivity  Colocation  Cloud Services Why You Don’t Want IPv4 Forever Sites and applications with native IPv6 may not behave well with NAT Future Internet resources will have IPv6- only Connectivity issues due to double or triple NAT (latency/troubleshooting)

25 Connectivity  Colocation  Cloud Services Double NAT = Double Jeopardy c:\>tracert linode.com -d Tracing route to linode.com [ ] over a maximum of 30 hops: 1 <1 ms * <1 ms ms <1 ms <1 ms <1 ms <1 ms <1 ms ms 23 ms 45 ms ms 20 ms 85 ms ms 24 ms 79 ms ms 79 ms 11 ms ms 110 ms 108 ms ms 240 ms 94 ms ms 179 ms 95 ms <- Private IP address on the Internet ms 80 ms 190 ms ms 164 ms 157 ms ms 185 ms 186 ms ms 194 ms 195 ms ms 188 ms 190 ms ms 185 ms 185 ms ms 184 ms 187 ms Trace complete.

26 Connectivity  Colocation  Cloud Services Digital West - What We Learned Plan ahead Review vendor bug submissions Document needed steps for activation/deactivation of everything in test environment Test after hours! Test more with end users – after hours!

27 Connectivity  Colocation  Cloud Services Vigilance Required Once IPv6 is deployed, don’t ignore IPv4 Leaving IPv4 in place eternally widens your footprint Take the next step – talk to your IT Department or IT Consulting firm – questions are in your packet!

28 Connectivity  Colocation  Cloud Services Know That You Are Not the First:

29 Connectivity  Colocation  Cloud Services Questions?


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