On the subject of multihoming

Charles Wyble charles at thewybles.com
Tue Nov 4 15:44:41 CST 2008


Charles Wyble wrote:
> Colin Alston wrote:
>> On 2008/11/04 10:32 PM Charles Wyble wrote:
>>> Obviously as they are consumer connections, I wouldn't get a BGP 
>>> feed so would need to download a copy, which has the risk of stale 
>>> data. Perhaps some sort of multihop BGP setup?
>>>
>>> I have done some research and found a lot of references to small 
>>> site multihoming without BGP for link redundancy but not for traffic 
>>> engineering.
>>
>> I've played with that before. Essentially just EBGP Multi-hop with 
>> next-hop rewrites on various community prefixes. Of course I had 
>> access to a donor feed, that is probably the largest hurdle.
>
> My first job was at a place with a direct ARIN allocation and BGP to 
> Sprint and AT&T. I'm still friends with the remaining ops person and 
> can probably setup a peering session with him. I also have another 
> buddy with the ability to do BGP via Cogent.
>
>>
>> There is good use in general for a public no-distribute feed but I 
>> have yet to find such a thing. Is there a reason for that, or could I 
>> bribe my datacenter to give me a feed and then create my own public 
>> server with some el-cheapo Quagga and a bag of rainbows for hope?
>
> Good question. Perhaps I  could peer with my above mentioned sources and
> http://www.quagga.net/route-server.php or http://www.routeviews.org/ 
> (config instructions at http://www.routeviews.org/config.html)
>
> That would be a fairly diverse set of views and hopefully sufficient 
> for my needs.
>
> By the way I have a wiki page up with the details (more or less what I 
> outlined already) at http://www.socalwifi.net/index.php/Mesh_Experiment
>
> I will write everything up there as well as post back results here.
>
>
So changing my search terms a bit to utilizing bgp feeds outbound 
traffic engineering, returns 
http://www.caida.org/workshops/isma/0210/ISMAagenda.xml which seems to 
be near what I want. It certainly provides some interesting reading and 
ways to measure / analyze the necessary data.




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