Re: Requirements for IP Multihoming Architectures

[Erik Nordmark <Erik.Nordmark@eng.sun.com>]

> 3.4 Cost
> 
>    A provider may choose to multihome for financial reasons.  For
>    example, customer C homed to ISP A may wish to shift traffic of a
>    certain class or application, NNTP, for example, to ISP B because
>    ISP B charges less for traffic.  Any future multihoming proposals
>    must provide support for multihoming for financial reasons.

The example can be construed to read that path selection
based on port numbers (or higher level information) is in scope.
I suspect we explicitly want to leave this out of scope.
(But I assume the NNTP example can be done by selecting
the domain names/IP addresses used for the NNTP feed.)

  Erik