Here's another take on that. Suppose one IRD offers two different Network Map services.
How does a client know which one to use? Unless I missed it, nothing in the protocol distinguishes between them. The client would need guidance from the provider, outside of the protocol. So they might as well be two different servers, in two different IRDs. At least that makes it obvious that a client needs non-protocol information from the provider to decide which server/IRD to use. - Wendy Roome From: "Y. Richard Yang" <[email protected]> Date: Thu, July 11, 2013 13:39 To: Wendy Roome <[email protected]> Cc: IETF ALTO <[email protected]> Subject: Re: [alto] Clarifying Cost Map Dependencies on a Network Map Whether we should make the decision that each ALTO Server can define only one network map is still not clear. A single net map is indeed simpler. A question is whether we may may encounter use cases with a large number of topologies (network maps). Do you have any data points or thinking here?
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