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[RRG] Multi-homing & Changing IP address



Earlier, Bill Herrin wrote:
% The hitch is, it requires that all applications abandon the TCP and
% UDP protocols and APIs, in favor of an API where the app requests
% communication by name instead of by address and lets the host keep
% track of which addresses currently associate with that name.

There are several ways to change IP address while keeping a
TCP/UDP session alive, some already discussed within this RG,
that do NOT have the constraint that you outline above.

Purely as one (of several) example(s), SCTP's approach to multi-homing
is deployed now, works, and can be adopted into TCP (and/or UDP)
in a backwards-compatible, incrementally-deployable, manner.

Cheers,

Ran


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