Re: SCTP for multihoming

[Kurt Erik Lindqvist <kurtis@kurtis.pp.se>]

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>> I've been reading the SCTP for multihoming draft. Here's my feedback.
>>
>> First a more general issue that comes up in the SCTP-related drafts:
>> there is no way for two hosts to find out whether the paths that exist
>> between them share any infrastructure. Would it be useful to see if we
>> can come up with something that allows hosts to find out? I'm thinking
>> something in the way of the record route option.
>>
> Maybe the tools for that already exist.
> Use a TRACEROUTE on every IP address of the remote peer and try to 
> detect
> common IP addresses along the routes.
> A IP address that show up in 2 or more traceroutes: 2 or more paths 
> going
> through that router(not taking into account the endpoints/host 
> naturally)
> This might look as a general tool for detecting shared 
> infrastructure...
> If traceroute does not fit the bill , then something along the record 
> route
> option might be usefull...
> Bear in mind.. This will be a optional tool..
> Not everybody is that interested in the routes through the network..

I am not sure I agree with Iljitsch requirement, if this is a concern, 
it will be a concern for any solution. And I don't think it is. 
However, from my recent anycast experience I can say that todays 
Internet simply isn't that symmetrical....

- - kurtis -

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