traceroute AS path patch

[Rui Paulo]

On Feb 19, 2008, at 10:13 PM, Rui Paulo wrote:

>
> On Feb 18, 2008, at 10:41 AM, John Hay wrote:
>
>> Hi Rui,
>>
>> On Sun, Feb 17, 2008 at 09:30:44PM +0000, Rui Paulo wrote:
>>> Hi,
>>> The attached patch ports a traceroute functionality from FreeBSD
>>> called AS path.
>>> The concept is simple. On each hop we query a whois server to find  
>>> the
>>> corresponding hop AS number.
>>>
>>> I think it doesn't hurt if we have this functionality.
>>>
>>> An example output:
>>> traceroute to freebsd.org (69.147.83.40), 64 hops max, 72 byte  
>>> packets
>>> ...
>>> 7  [AS6453] if-2-1.core1.PV9-Lisbon.teleglobe.net (195.219.187.21)
>>> 35.105 ms  34.008 ms  35.334 ms
>>> 8  [AS6453] 195.219.144.5 (195.219.144.5)  63.880 ms  60.448 ms
>>> 60.809 ms
>>> 9  [AS6453] 195.219.144.10 (195.219.144.10)  138.593 ms  193.709 ms
>>> 173.415 ms
>>> 10  [AS7199] if-2-0.core1.NJY-Newark.teleglobe.net (216.6.63.10)
>>> 133.912 ms  134.393 ms  144.071 ms
>>> 11  [AS9557] if-3-1.mcore3.NJY-Newark.teleglobe.net (216.6.57.1)
>>> 135.600 ms  144.979 ms  168.247 ms
>>> 12  [AS9557] if-12-0-0-741.core4.AEQ-Ashburn.teleglobe.net
>>> (216.6.57.70)  180.346 ms  138.718 ms  138.927 ms
>>> 13  [AS6453] 64.86.85.38 (64.86.85.38)  142.745 ms  143.163 ms
>>> 143.358 ms
>>> 14  [AS26085] so-0-0-0.pat2.pao.yahoo.com (216.115.101.130)  252.417
>>> ms  213.377 ms  212.859 ms
>>> 15  [AS26085] ge-0-1-0-p301.pat1.sjc.yahoo.com (216.115.106.147)
>>> 214.709 ms  213.198 ms  235.253 ms
>>> 16  [AS26085] g-1-0-0-p160.msr1.sp1.yahoo.com (216.115.107.61)
>>> 219.091 ms
>>>   [AS26085] g-0-0-0-p170.msr2.sp1.yahoo.com (216.115.107.81)
>>> 217.650 ms
>>>   [AS26085] g-1-0-0-p160.msr1.sp1.yahoo.com (216.115.107.61)
>>> 286.376 ms
>>> 17  [AS36752] ge-1-45.bas-b2.sp1.yahoo.com (209.131.32.49)   
>>> 213.747 ms
>>>   [AS36752] ge-1-41.bas-b2.sp1.yahoo.com (209.131.32.33)  274.140 ms
>>>   [AS36752] ge-1-45.bas-b2.sp1.yahoo.com (209.131.32.49)  213.341 ms
>>> 18  [AS36752] freebsd.org (69.147.83.40)  214.386 ms  223.515 ms
>>> 212.548 ms
>>>
>>>
>>> What do you think?
>>
>> Would it be difficult to add it to traceroute6 too? It would be great
>> if we can keep features in sync.
>
> I will try to do it after committing this patch.

Just FYI, committed.

--
Rui Paulo