Maybe it's time to talk about rational routing

[Brian E Carpenter]

BTW I should have mentioned that the IPv4 route avoids crossing the Pacific Ocean
twice, with 12 hops and 40 ms instead of 16 hops and 300 ms.

Regards
   Brian

On 2011-09-07 11:12, Arturo Servin wrote:
> 	We see similar problems in Latin America. IPv6 packets going to Miami to switch networks while IPv4 is exchanged locally in IXs.
> 
> 	
> Regards,
> .as
> 
> On 5 Sep 2011, at 22:34, Brian E Carpenter wrote:
> 
>> Good news down under, it seems that TelstraClear is now supporting
>> native IPv6, announced in Australia but observable in New Zealand too,
>> with much less HE tunnel than before.
>>
>> However, it seems to be time for a discussion about routing policy.
>> The traceroute below reminds me of IPv4 around 1990. Is it really
>> optimal to route from Auckland to Brisbane via Hong Kong and Los
>> Angeles? Of course there are all the usual commercial constraints
>> on policy, but this seems to be worse than that.
>>
>> C:\Documents and Settings\bcar071>tracert www.apnic.net
>>
>> Tracing route to www.apnic.net [2001:dc0:2001:11::211]
>> over a maximum of 30 hops:
>>
>>  1    <1 ms    <1 ms    <1 ms  2001:df0:0:2006::254     % Uni Auckland
>>  2    <1 ms    <1 ms    <1 ms  2001:df0:0:1::17:af
>>  3    <1 ms    <1 ms    <1 ms  2001:4403:0:106::101     % TELSTRACLEAR-V6-NZ-UNALLOCATED-20050513
>>  4     1 ms     1 ms     1 ms  2001:4403:0:106::1
>>  5     1 ms     *        1 ms  2403:e800:fd18:fe00::1   % Reach Global Internet HK
>>  6   127 ms   127 ms   127 ms  i-0-0-4-0.tlot-core01.bx.reach.com [::ffff:202.84.142.118]
>>  7   127 ms   131 ms   127 ms  2001:504:13::24          % ONE-WILSHIRE-PACKET-EXCHANGE
>>  8   132 ms   127 ms   128 ms  10gigabitethernet1-3.core1.lax1.he.net [2001:504:0:3::6939:1]
>>  9   126 ms   135 ms   126 ms  10gigabitethernet1-3.core1.lax2.he.net [2001:470:0:72::2]
>> 10   135 ms   135 ms   135 ms  2001:504:13::3b
>> 11   290 ms   290 ms   290 ms  pos-0-0-1.cor02.syd03.nsw.vocusconnect.net.au [2402:7800:0:1::ba]
>> 12   290 ms   290 ms   290 ms  ten-1-3-0.cor01.syd03.nsw.VOCUS.net.au [2402:7800:0:1::59]
>> 13   290 ms   290 ms   290 ms  ten-0-2-0.bdr01.syd01.nsw.VOCUS.net.au [2402:7800:0:1::c6]
>> 14   302 ms   303 ms   303 ms  2402:7800:0:1::9e
>> 15   303 ms   303 ms   303 ms  apnic.ipv6.brisbane.pipenetworks.com [2001:7fa:9::4]
>> 16   304 ms   303 ms   304 ms  2001:dc0:2001:11::211
>>
>> Trace complete.
>>
>>    Brian
> 
>