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This user guide aims to provide a starting point for applications using DCCP, addressing potential problems, service profile mapping, and API-centric features. It needs updating to the latest specifications, focusing on media and streaming apps.
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DCCP User Guide Tom Phelan – Sonus Networks tphelan@sonusnet.com 10-November-2003
User Guide Contents • Starting point for user/application • How, when (& why?) • Should we cannibalize portions of problem-statement? • Potential problems for apps • Service profile to feature/option mapping
Current User Guide • draft-ietf-dccp-user-guide-00.txt • October 2002 • API-centric? • More, here’s this DCCP feature, here’s what apps can do with it • Needs updating to current spec
Media Guide • draft-phelan-dccp-media-00.txt (http://www.phelan-4.com/dccp/draft-phelan-dccp-media-00.txt) • Issues, how-to, benefits for streaming media apps • 50+% recap of mailing list discussion • 50-% new material • Higher level (app viewpoint) than current UG • My motivation – “why” use DCCP, but needed to go through “how” to get there
Way Forward? • Build on media guide • Add more app stories • Need comments on current content • Particularly the network behavior sections • Need input from other apps • Gaming, telemetry, state exchange … • Comments on other issues to cover • CCID2 vs. CCID3 (which is right for my app?)