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Subject: Re: [ws-rx] PR33 - Re: [ws-rx] NEW Issue back-channel not defined
Ok now I'm really confused!!! So Axis2 has some code that kicks in if the request comes over SMTP and there is either no WSA, or an anon WSA ReplyTo. All it does is behave like a mail client's reply button does. I did read the specs at the time. It seemed pretty clear the logic to follow. Paul Bob Freund-Hitachi wrote: > Paul, > Maybe I am just confused. > It seems to me like you are using wsa:anon to be an alias for a valid > mailto: scheme uri. > > Are you talking about the rfc2822 replyTo or the rfc2821 (smtp) reverse > path? > > Is a non addressable email client one that has neither a FQDN (rfc2881 > 4.1.1.1) nor an address literal (rfc2821 4.1.3)? > > Or are you mapping wsa:anon to a real address at the originating side > and placing that string in the rfc2822 replyTo field? > Or are you assuming that the rfc2821 reverse path will always work to > send a message to the originating endpoint when the rfc2822 replyTo is > set to wsa:anon (or missing for that matter)? > > Are you assuming that a "wsa:anon" client would poll for responses via > smtp? > Unless rfc821's TURN command was used, the transmission direction would > not reverse. I have assumed rfc2821 where TURN has been deprecated. > Why would not the poll be something like imap or pop? > > Thanks > -bob > > -----Original Message----- > From: Paul Fremantle [mailto:paul@wso2.com] > Sent: Thursday, December 14, 2006 8:25 AM > To: Bob Freund-Hitachi > Cc: Richard Salz; ws-rx@lists.oasis-open.org > Subject: Re: [ws-rx] PR33 - Re: [ws-rx] NEW Issue back-channel not > defined > > Yes exactly. From my perspective a backchannel is any way I can get a > SOAP response back to the originator when the wsa:replyTo is anonymous. > Obviously this relies on the transport. > > In fact my definition is very simple. If you can get a response back to > an anon client, then there is a backchannel. > > In the SMTP case the SMTP Reply-To header allows that. > > Paul > > Bob Freund-Hitachi wrote: > >> What is it? >> How does rfc2821 return a mime body on the same connection? >> Are you thinking that a correlated response using the rfc2822 >> > message-ID > >> sent to the replyTo address is a backchannel? >> Thanks >> -bob >> >> -----Original Message----- >> From: Paul Fremantle [mailto:paul@wso2.com] >> Sent: Thursday, December 14, 2006 7:49 AM >> To: Bob Freund-Hitachi >> Cc: Richard Salz; ws-rx@lists.oasis-open.org >> Subject: Re: [ws-rx] PR33 - Re: [ws-rx] NEW Issue back-channel not >> defined >> >> Bob >> >> That is exactly why I don't agree with your definition. >> I believe that SMTP has a backchannel. >> >> Paul >> >> Bob Freund-Hitachi wrote: >> >> >>> No, in the case of an rfc2822 message carried over an rfc2821 >>> >>> >> transport >> >> >>> there is no backchannel (as defined in the chris/bob joint >>> > definition) > >>> since rfc2821 deprecated the rfc281 TURN command. >>> In rfc2821 there is no way that a response may be transmitted over >>> > the > >>> same connection as the request. >>> -bob >>> >>> -----Original Message----- >>> From: Richard Salz [mailto:rsalz@us.ibm.com] >>> Sent: Wednesday, December 13, 2006 8:20 PM >>> To: Paul Fremantle >>> Cc: ws-rx@lists.oasis-open.org >>> Subject: Re: [ws-rx] PR33 - Re: [ws-rx] NEW Issue back-channel not >>> defined >>> >>> >>> >>> >>>> I still don't agree that this is right. I think there may be cases >>>> >>>> >>>> >>> where >>> >>> >>> >>> >>>> there is a new transport level connection. The main point is that >>>> > the > >>>> >>>> >> >> >>>> response channel is transport-defined not WS-A defined. >>>> >>>> >>>> >>> Hm. For a SOAP-over-SMTP binding, would you expect the backchannel >>> > to > >>> be >>> a response message, the equivalent of the recipient invoking the >>> >>> >> 'reply' >> >> >>> function on its mail user-agent? (I think the question is >>> >>> >> interesting; >> >> >>> either there is no back-channel or there is only the back-channel.) >>> > I > >>> >>> >> >> >>> think it's up to the particular transport binding to say, tho. >>> >>> /r$ >>> >>> -- >>> STSM >>> Senior Security Architect >>> DataPower SOA Appliances >>> >>> >>> >>> >> >> > > -- Paul Fremantle VP/Technology and Partnerships, WSO2 OASIS WS-RX TC Co-chair http://bloglines.com/blog/paulfremantle paul@wso2.com (646) 290 8050 "Oxygenating the Web Service Platform", www.wso2.com
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