HTTP/1.1 - Retry-after for 3xx as well as 503?

Issue for HTTP/1.1 before becomes draft standard?...

It would be a simple change to the spec. and fairly tidy to implement in a
browser to make it clear that the Retry-After header should apply to:
- 3xx Redirect class responses
- as well as 503 Service Unavailable

This would make it much easier to implement versions of
- push caching
- switching to deferred (poss. multicast) transport (e.g. SMTP) under heavy
server load
- etc.

Bob
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Bob Briscoe         http://www.labs.bt.com/people/briscorj/index.htm