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>> I wrote the sentences that you are asking about. I tried to pick words that
> would be unambiguous.
>> The intention is that IPP software must be able to listen on port 631 and
> may be able to listen on other ports.
> If such software allows an administrator to configure the ports, then such
> an adminstrator may be able to have IPP software listen other ports, such as
> port 80 and might make it be the only port that the IPP server listens on.
> The customer has the right to do what he wants, even if we don't think it is
> the wisest choice.
>> Bob Herriot
>
What I find ambiguous, then, are the words "in addition to" and "as well" in these sentences:
"IPP server implementations may support other ports, in addition to this port."
"It is REQUIRED that a printer implementation support HTTP over the IANA assigned Well Known Port 631 (the IPP default port), though a printer implementation may support HTTP over port some other port as well."
Maybe it should say:
"It is REQUIRED that a printer implementation support HTTP over the IANA assigned Well Known Port 631 (the IPP default port), though a printer implementation may be configured to listen on some other port instead."
-Carl
>> At 10:24 AM 7/16/98 , Carl Kugler wrote:
> >Carl:
> >>
> >> The implementation MUST support port 631 however, mine is administratively
> >> set to only OPERATE on port 80. The code is compliant.
> >>
> >> Don
> >>
> >>
> >Hmmm... I think we need some clarification in the wording here, because I
> think it's ambiguous as it stands. Here's another quote: "IPP server
> implementations MUST offer IPP services using HTTP over the IANA assigned Well
> Known Port 631 (the IPP default port). IPP server implementations may support
> other ports, in addition to this port."
> >
> >So you read "suport" and "offer IPP services" to mean "can be configured to
> listen on" rather than "is required to listen on"?
> >
> > -Carl
> >
> >>
> >>
> >> "Carl Kugler" <kugler%us.ibm.com at interlock.lexmark.com> on 07/16/98
> >> 12:18:26 PM
> >>
> >> To: ipp%pwg.org at interlock.lexmark.com> >> cc: (bcc: Don Wright)
> >> bcc: Don Wright
> >> Subject: RE: IPP> Re: New IPP Scheme
> >>
> >>
> >>
> >>
> >> ...
> >> > Sorry Larry, but my printer isn't on the default IPP port of 631. Mine
> >> is
> >> > on 80 so my URL is exactly right. Not all implementations MUST be on
> >> 631.
> >> ...
> >> That's not how I read ftp://ftp.pwg.org/pub/pwg/ipp/new_PRO/ipp-pro-980630> >>
> >> It says "It is REQUIRED that a printer implementation support HTTP over the
> >> IANA assigned Well Known Port 631...". Therefore, a conforming
> >> implementation MUST be on 631, although it might also be on some other port
> >> simultaneously.
> >>
> >> -----
> >> Original Message: http://www.findmail.com/list/ipp/?start=4106> >> Start a FREE email list at http://www.FindMail.com/> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> >-----
> >Original Message: http://www.findmail.com/list/ipp/?start=4138> >Start a FREE email list at http://www.FindMail.com/> >
>> --=====================_160811464==_.ALT
> Content-Type: text/html; charset="us-ascii"
>> <html>
> <font size=3>I wrote the sentences that you are asking about. I
> tried to pick words that <br>
> would be unambiguous.<br>
> <br>
> The intention is that IPP software must be able to listen on port 631 and
> <br>
> may be able to listen on other ports.<br>
> If such software allows an administrator to configure the ports, then
> such <br>
> an adminstrator may be able to have IPP software listen other ports, such
> as <br>
> port 80 and might make it be the only port that the IPP server listens
> on. <br>
> The customer has the right to do what he wants, even if we don't think it
> is <br>
> the wisest choice.<br>
> <br>
> Bob Herriot<br>
> <br>
> <br>
> At 10:24 AM 7/16/98 , Carl Kugler wrote:<br>
> >Carl:<br>
> >> <br>
> >> The implementation MUST support port 631 however, mine is
> administratively<br>
> >> set to only OPERATE on port 80. The code is
> compliant.<br>
> >> <br>
> >> Don<br>
> >> <br>
> >> <br>
> >Hmmm... I think we need some clarification in the wording here,
> because I think it's ambiguous as it stands. Here's another
> quote: "IPP server implementations MUST offer IPP services
> using HTTP over the IANA assigned Well Known Port 631 (the IPP default
> port). IPP server implementations may support other ports, in addition to
> this port."<br>
> ><br>
> >So you read "suport" and "offer IPP services" to
> mean "can be configured to listen on" rather than "is
> required to listen on"?<br>
> ><br>
> > -Carl<br>
> ><br>
> >> <br>
> >> <br>
> >> "Carl Kugler"
> <kugler%us.ibm.com at interlock.lexmark.com> on 07/16/98<br>
> >> 12:18:26 PM<br>
> >> <br>
> >> To: ipp%pwg.org at interlock.lexmark.com<br>
> >> cc: (bcc: Don Wright)<br>
> >> bcc: Don Wright<br>
> >> Subject: RE: IPP> Re: New IPP Scheme<br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> ...<br>
> >> > Sorry Larry, but my printer isn't on the default IPP port
> of 631. Mine<br>
> >> is<br>
> >> > on 80 so my URL is exactly right. Not all
> implementations MUST be on<br>
> >> 631.<br>
> >> ...<br>
> >> That's not how I read
> <a href="ftp://ftp.pwg.org/pub/pwg/ipp/new_PRO/ipp-pro-980630" eudora="autourl"><font size=3>ftp://ftp.pwg.org/pub/pwg/ipp/new_PRO/ipp-pro-980630</a><br>
> <font size=3>>> <br>
> >> It says "It is REQUIRED that a printer implementation
> support HTTP over the<br>
> >> IANA assigned Well Known Port 631...". Therefore, a
> conforming<br>
> >> implementation MUST be on 631, although it might also be on some
> other port<br>
> >> simultaneously.<br>
> >> <br>
> >> -----<br>
> >> Original Message:
> <a href="http://www.findmail.com/list/ipp/?start=4106" eudora="autourl"><font size=3>http://www.findmail.com/list/ipp/?start=4106</a><br>
> <font size=3>>> Start a FREE email list at
> <a href="http://www.findmail.com/" eudora="autourl"><font size=3>http://www.FindMail.com/</a><br>
> <font size=3>>> <br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> >> <br>
> ><br>
> ><br>
> ><br>
> >-----<br>
> >Original Message:
> <a href="http://www.findmail.com/list/ipp/?start=4138" eudora="autourl"><font size=3>http://www.findmail.com/list/ipp/?start=4138</a><br>
> <font size=3>>Start a FREE email list at
> <a href="http://www.findmail.com/" eudora="autourl"><font size=3>http://www.FindMail.com/</a><br>
> <font size=3>> </font><br>
> </html>
>> --=====================_160811464==_.ALT--
>>>
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