IPP Mail Archive: Re: IPP> IPP Bake-Off 3 Implementation spe

Re: IPP> IPP Bake-Off 3 Implementation specific issues: BO3-IMP-4

From: Carl Kugler/Boulder/IBM (kugler@us.ibm.com)
Date: Fri Oct 27 2000 - 15:19:40 EDT

  • Next message: Carl Kugler/Boulder/IBM: "Re: IPP> IPP Bake-Off 3 Issue 6"

    > BO3-IMP-4: Some Printers would return all printer attributes even when
    only
    > one unsupported attribute was requested. The Printers recognized this
    was
    > an implementation problem.
    >

    On the other hand,

    "A response MAY contain attribute groups, attributes, attribute syntaxes,
    values, and status codes that the client does not expect. Therefore, a
    client implementation MUST gracefully handle such responses and not refuse
    to inter-operate with a conforming Printer that is returning IETF standards
    track extension or vendor extensions, including attribute groups,
    attributes, attribute syntaxes, attribute values, status codes, and
    out-of-band attribute values that conform to Section 6.

    I don't see how a client can distinguish these extra values from
    extensions, so it should ignore them. So this is also a client
    implementation problem.

         -Carl



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