Here's why an IRD returned by ALTO discovery must must have a default
network map. Consider an ALTO client that gets the server URI via discovery.
By definition, a discovery client must be provider-independent. Because
resource ID names are provider-specific, a discovery client cannot be
pre-configured with a map ID. Hence any IRD returned by discovery MUST mark
one of its maps as the default. If not, a discovery client can't decide
which network map to use.

Of course, there'd be no problem if ALTO discovery could return a map ID as
well as a URI. But I gather that's not possible.

- Wendy Roome


From:  "Y. Richard Yang" <[email protected]>
Date:  Tue, July 23, 2013 13:10
Subject:  Re: [alto] Clarifying Cost Map Dependencies on a Network Map

> This does imply that any ALTO server returned by the discovery protocol
> must provide default-network-map.
> 

Not sure I understand why must return a default-network-map?


_______________________________________________
alto mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/alto

Reply via email to