XMPP Standards Update
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A status update on Extensible Message and Presence Protocol (XMPP) technologies as of summer 2007.

A status update on Extensible Message and Presence Protocol (XMPP) technologies as of summer 2007.

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XMPP Standards Update Presentation Transcript

  • 1. XMPP Standards Update Peter Saint-Andre stpeter@jabber.org 2007-06-06
  • 2. History • 1999: Jabber open-source projects • 2000: Jabber, Inc. (they pay me) • 2001: Jabber Software Foundation (JSF) • 2002: XMPP Working Group @ IETF • 2004: XMPP RFCs (3920-3923) • 2006: JSF => XMPP Standards Foundation
  • 3. Source + Standards • Not a typical open-source project • Focus on wire protocols (XMPP) • Multiple codebases (clients, servers, libraries, components, plugins) • Open source and commercial • A plethora of implementations • Interoperability via open standards
  • 4. XMPP Standards Foundation • Core XMPP standards formalized in IETF • Many extensions not appropriate for IETF • XSF: nimble, developer-driven standards organization for XMPP extensions (XEPs) • Not an industry consortium! Open like IETF • Focus on rough consensus and running code • Interop network, intermediate CA, etc.
  • 5. Core Protocol (RFC 3920) • Streaming XML over TCP/IP • Client-server architecture • Transport Layer Security • Simple Authentication and Security Layer • Strong identity (hard to spoof addresses) • Full internationalization
  • 6. Core Extensions • HTTP Binding (XEP-0124 + XEP-0206) for intermittent connections • Stream Compression (via TLS or XEP-0138) reduces bandwidth usage up to 90% • Link-Local Messaging (XEP-0174) for serverless communication mode • Service Discovery (XEP-0030) and Entity Capabilities (XEP-0115)
  • 7. IM + Presence (RFC 3921) • Contact lists • One-to-one messaging • Ubiquitous presence • Authorization required to view presence • Presence pushed out as changed (no polling) • Lightweight formats for presence and IM
  • 8. IM Extensions • Chat State Notifications (XEP-0085) • XHTML-IM (XEP-0071) • Data Forms (XEP-0004) • Advanced Message Processing (XEP-0079) • Extended Stanza Addressing (XEP-0033) • vCards, bookmarks, avatars, etc. etc.
  • 9. Rich Presence • Activity • Location (GPS etc.) • Mood / state • Other personal “events” (e.g., Atom feeds) • Publish-subscribe transport • Extensible via XML
  • 10. Jingle • Lightweight extensions for one-to-one multimedia session management • Content: voice, video, app sharing, etc. • Transport: UDP, TCP, etc. • IETF’s ICE technology for firewall traversal • Not a full telephony application! • Google Talk, OLPC, Nokia 770/800, etc.
  • 11. Chat (XEP-0045) • Group chat “rooms” similar to IRC • Stronger identity and authentication • Superior ownership model (no takeovers) • Room hosted at single service • Working on distributed rooms • May take to IETF for publication as RFC
  • 12. Roadmap • RFC revisions in progress (Draft Standard) • Finalize Jingle core this summer • Further strengthen security profile (spam prevention, end-to-end encryption, require channel encryption) • Collaborative editing / whiteboarding • Use chat rooms for multimedia control?
  • 13. Collaboration • XSF works with organizations interested in extending XMPP • Apple (Link-Local Messaging) • Google, Nokia, OLPC (Jingle) • JFCOM/SPAWAR (Distributed Chat) • Join the conversation (standards@xmpp.org) • Ping me (stpeter@jabber.org)