new 6bone backbone links diagram - version 21

[Bob Fink]

At 10:43 AM -0700 7/2/97, Matt Crawford wrote:
>> 2.  SURFNET cutting back extra links in the backbone mesh is a trend we
>> should all follow to minimize links we don't need in a backbone.  The
>> purpose is NOT to fully conenct the backbone, rather to provide the links
>> that are appropriate (don't ask me to define that one :-).
>
>Is it too many links, or inappropriate default routes that makes the
>path from Fermilab to NIST go through France?  (Or is it just bad DNS
>info?  The embeded IPv4 prefix checks out.)

Good question.  Makes no sense to me.

Bob


>I point default at ESNET, who defaults to Cisco.  Cisco is routing
>these packets to DEC, so DEC is either defaulting to IMAG or
>selecting that route for some other reason.
>
>The return path is more hops, but it stays on this continent:
>NIST -> NRL -> CICNET -> CISCO -> ESNET -> FNAL.
>
>Tracing the route to ipng9.ipng.nist.gov (5F00:3100:8106:3300:0:C0:3302:5A)
>1 5F01:2500::293:3152:1 56 msec *  56 msec
>2 6bone-router-tun-esnet.cisco.inner.net (5F00:6D00:0:E:2::1) 84 msec *
>88 msec
>3  * 5F00:2100:CC7B:0:2:0:F842:1428 132 msec 132 msec
>4  * 6bone-core.ipv6.imag.fr (5F06:B500:8158:1A00:0:800:2BB9:F33D) 300
>msec 284 msec
>5 luna-v6.ipv6.imag.fr (5F06:B500:8158:1A00:0:800:2075:24EA) 292 msec 320
>msec 300 msec
>6  * ipng9.ipng.nist.gov (5F00:3100:8106:3300:0:C0:3302:5A) 296 msec *
>
>
>Traceroute to 5f01:2500:83e1:0:5:40:b40:7cef:
>1       ipng10.ipng.nist.gov  (5f00:3100:8106:3300::f840:cde8)    2.991 ms
>2.252 ms  2.196 ms
>2       ipng9.ipng.nist.gov  (::129.6.51.154)    3.458 ms *  3.404 ms
>3       buzzcut.ipv6.nrl.navy.mil  (5f00:3000:84fa:5a00::5)    14.900 ms
>17.267 ms  15.834 ms
>4       guar.ipv6.nrl.navy.mil  (5f00:3000:84fa:5a00::3)    17.311 ms *
>34.473 ms
>5       6bone.chicago.cic.net  (5f04:c900:8367:100:1:0:c8e:50c2)
>239.570 ms  174.739 ms  232.363 ms
>6       esnet-tun-endpoint.cisco.inner.net  (5f00:6d00:0:e:2::2)
>230.087 ms * *
>7       5f01:2500::293:3152:2  (5f01:2500::293:3152:2)    307.000 ms
>8       5f01:2500:83e1:0:ffff:800:2021:261e
>(5f01:2500:83e1:0:ffff:800:2021:261e)    316.757 ms *