8/26/98IPP IETF1 IPP Scheme –Help users distinguish IPP objects from other web objects. –Users will always see ipp:// as URL format for IPP Printers and.

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Presentation transcript:

8/26/98IPP IETF1 IPP Scheme –Help users distinguish IPP objects from other web objects. –Users will always see ipp:// as URL format for IPP Printers and IPP Print Jobs. –ipp:// URLs are always used inside the application/ipp MIME object. –The HTTP layer uses URLs to transfer the application/ipp MIME objects.

8/26/98IPP IETF2 IPP Scheme Usage application/ipp MIME object application/ipp MIME object ipp:// HTTP Client ipp:// to translation HTTP Server IPP ClientIPP Server POST

8/26/98IPP IETF3 IPP Scheme - Security (Client) –Translation from ipp:// to (or –Syntax : ipp://host [:port]/ ;parameters –Parameters are currently for security only AUTH = secure-protocol Secure-protocol := TLS | SSL3 | DAA Parameters translated into HTTP header.

8/26/98IPP IETF4 IPP Scheme - Security(Server) –Job URI generated in response to a client created job request. –URIs will use IPP scheme with IPP security parameters. –Specified security-protocol must match. –Unless other port is specified, (e.g. 443 to use IPP default port 631 is used.

8/26/98IPP IETF5 IPP Scheme - Example 1 Example using TLS. ipp:// TLS is used as secure transport protocol. Translate to HTTP scheme: –http;// HTTP Header: –Upgrade: TLS/1.0 This is the standard HTTP with TLS method.

8/26/98IPP IETF6 IPP Scheme - Example 2 Example using no security. ipp:// –Port 631 is used as default port. ipp:// –Port 80 is used for connecting to the printer. ipp:// –Port 631 is explicitly mentioned.

8/26/98IPP IETF7 IPP Scheme - Example 3 Example using DAA. ipp:// DAA is used as a security channel. Port 80 is used for communication.

8/26/98IPP IETF8 IPP Scheme - Translation Example Translation into HTTP header. POST /printer-wiley/es-adstc-queue HTTP/1.1 Host: Security-Protocol: TLS Content-type: application/ipp Transfer-Encoding: chunked

8/26/98IPP IETF9 IPP Scheme - Server Example At the server end. ipp:// –Client can use this to query job status. ipp:// –Client can use this for job submission. –Security protocol preserved.