In case there are folks who missed this in the past few years, we will soon be past the point where IPv6 transit swaps and other incubation tools are acceptable to customers. How is it that Tiscali and Sprint can only get together via IIJ? Who is to blame? From my perspective, all three networks. I'll spare you the rest of my hand-waving and just paste the route: % host -t AAAA www.sprint.net www.sprint.net has IPv6 address 2600:: 2600::/29 AS path: 3257 2497 6175 1239 1239 1239 1239 1239 1239 1239 I % traceroute6 -q1 -f2 2600:: traceroute6 to 2600:: (2600::) from [redacted], 64 hops max, 12 byte packets Skipping 1 intermediate hops 2 xe-10-3-0.nyc20.ip6.tinet.net (2001:668:0:2::1:892) 10.896 ms 3 2001:504:1::a500:2497:1 (2001:504:1::a500:2497:1) 13.511 ms 4 sjc002bb01.iij.net (2001:48b0:bb00:8019::4008) 89.263 ms 5 sjc002ix02.iij.net (2001:48b0:bb03:f::4015) 87.075 ms 6 sl-bb1v6-sj-t-40.sprintv6.net (2001:440:eeee:ffcd::1) 92.491 ms 7 sl-crs2-sj-po0-1-4-0.v6.sprintlink.net (2600:0:2:1239:144:232:1:123) 89.333 ms 8 sl-crs1-sj-po0-9-5-0.v6.sprintlink.net (2600:0:2:1239:144:232:2:108) 95.966 ms 9 sl-crs2-ria-po0-3-5-0.v6.sprintlink.net (2600:0:2:1239:144:232:9:114) 97.788 ms 10 sl-crs2-fw-po0-13-2-0.v6.sprintlink.net (2600:0:2:1239:144:232:25:160) 173.331 ms 11 sl-crs1-fw-po0-12-0-0.v6.sprintlink.net (2600:0:2:1239:144:232:18:145) 165.577 ms 12 sl-crs3-fw-po0-7-0-0.v6.sprintlink.net (2600:0:2:1239:144:232:1:45) 167.203 ms 13 sl-crs3-atl-po0-2-0-0.v6.sprintlink.net (2600:0:2:1239:144:232:8:20) 169.195 ms 14 sl-crs1-atl-po0-11-0-0.v6.sprintlink.net (2600:0:2:1239:144:232:4:48) 170.922 ms 15 sl-crs1-ffx-po0-8-0-0.v6.sprintlink.net (2600:0:2:1239:144:232:18:119) 172.688 ms 16 sl-crs1-orl-po0-0-0-0.v6.sprintlink.net (2600:0:2:1239:144:232:19:251) 177.762 ms 17 sl-lkdstr2-p1-0.v6.sprintlink.net (2600:0:3:1239:144:223:33:32) 177.450 ms 18 www.sprint.net (2600::) 172.235 ms -- Jeff S Wheeler <jsw@inconcepts.biz> Sr Network Operator  /  Innovative Network Concepts