IPP Mail Archive: Re: IPP> Identifying jobs in requests

Re: IPP> Identifying jobs in requests

Carl Kugler (kugler@us.ibm.com)
3 Jun 1998 18:20:54 -0000

>
> The demultiplexing front-end is not IPP, and is therefore some type of
> "transport-helper". While the IPP protocol document must stand on its own,
> independent of any such transport, and therefore identifiers within the
> protocol would still be mandatory ( Of course, my argument is entirely
> based upon the WG's decision that IPP must be transport independent ).
>
> Randy
>

Randy-

If the demultiplexing front-end is not IPP, how is it able to read IPP attributes?

- Carl
>
> ----------
> > From: Jay Martin <jkm@underscore.com>
> > To: Randy Turner <rturner@sharplabs.com>
> > Cc: ipp@pwg.org
> > Subject: Re: IPP> Identifying jobs in requests
> > Date: Wednesday, June 03, 1998 9:32 AM
> >
> > Randy Turner wrote:
> > >
> > > We use URIs to identify IPP objects. If we want IPP to maintain
> > > transport-independence, then we will always need to have some type of
> valid
> > > URI denoting the target of an IPP request inside our protocol.
> >
> > Not necessarily. Sure, in the case of a demultiplexing front-end,
> > it would be necessary to have the target embedded in the protocol
> > message, but not necessary for single-Printer implementations.
> >
> > I don't have a problem with embedding the target URI in the PDU,
> > but if we get into a big mess with regard to reconciling a similar
> > target in the outer/lower transport level (eg, HTTP), then we might
> > want to consider pulling out the embedded target URI.
> >
> > It would be nice to hear from others on this topic.
> >
> > ...jay
> >
> > ----------------------------------------------------------------------
> > -- JK Martin | Email: jkm@underscore.com --
> > -- Underscore, Inc. | Voice: (603) 889-7000 --
> > -- 41C Sagamore Park Road | Fax: (603) 889-2699 --
> > -- Hudson, NH 03051-4915 | Web: http://www.underscore.com --
> > ----------------------------------------------------------------------
>
>