IPP Mail Archive: Re: IPP> NOT - Agreements on the ISSUES in

Re: IPP> NOT - Agreements on the ISSUES in the IPPGET spec and IPP base spec

From: Michael Sweet (mike@easysw.com)
Date: Fri Jul 20 2001 - 11:22:58 EDT

  • Next message: mjoel@netreon.com: "RE: IPP> NOT - Agreements on the ISSUES in the IPPGET spec and IP P base spec"

    Mike Bartman wrote:
    > ...
    > I could be mis-remembering, but I believe the HTTP 1.1 RFC says
    > that intermediate links in a transmission, such as a proxy server,
    > may remove the chunked nature of an HTTP 1.1 transmission if it
    > chooses to. I remember there being some discussion of the method
    > for doing this in the RFC.

    Yes, from the RFC:

       This requirement prevents an interoperability failure when the
       message is being received by an HTTP/1.1 (or later) proxy and
       forwarded to an HTTP/1.0 recipient. It avoids a situation where
       compliance with the protocol would have necessitated a possibly
       infinite buffer on the proxy.

    That said, it sounds like the only safe way to get asynchronous
    updates with ippget is to use a multi-part content type, with each
    event notification (or compound notification) in its own
    application/ipp message part. 

    -- 
______________________________________________________________________
Michael Sweet, Easy Software Products                  mike@easysw.com
Printing Software for UNIX                       http://www.easysw.com

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