request identifiers in HTTP

One thing that I'd like to see in the protocol is a request identifier
in the response headers, that would allow to match responses with
requests.

This would have many applications, such as enable a client to send
a batch of requests to a server, and receive the responses out of
order (in order to minimize the overall response time). Ultimately,
this would even allow to separate requests and responses, or (in
many cases) use a connectionless transport for HTTP.

Has this subject been discussed before ?

        Luigi
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Luigi Rizzo                     Dip. di Ingegneria dell'Informazione
email: luigi@iet.unipi.it       Universita' di Pisa
tel: +39-50-568533              via Diotisalvi 2, 56126 PISA (Italy)
fax: +39-50-568522              http://www.iet.unipi.it/~luigi/
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Received on Saturday, 25 November 1995 16:38:22 UTC