Jonathan Lennox

Contacting Me

By physical mail:

In my office:

461 Computer Science
1214 Amsterdam Ave., Mail Code 0401
New York, NY 10027

At home:

323 Fourth St #2
Jersey City, NJ 07302

By telephone:

Work:

(212) 939-7018 (office)

(212) 939-7040 (lab)

(212) 666-0140 (fax)

Home:

(201) 239-9248

By e-mail:

lennox@cs.columbia.edu

My Resume

Papers & Talks

• My Doctoral Dissertation:
  • Services for Internet Telephony. Department of Computer Science, Columbia University. Advisor: Henning Schulzrinne. Defended December 5, 2003; deposited January 29, 2004. Available in Postscript and PDF. You can also view the abstract.
• Papers:
  • "A Protocol For Reliable Decentralized Conferencing". With Henning Schulzrinne. From ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Monterrey, California, June 2003. Available in Postscript and PDF.
  • "Interworking Internet Telephony and Wireless Telecommunications Networks". With Kazutaka Murakami, Mehmet Karaul, and Thomas F. La Porta. From Computer Communications Review, October 2001, Vol 31, No. 5, pp. 25-36. Available in Postscript and PDF.
  • "Feature Interaction in Internet Telephony". With Henning Schulzrinne. From Proceedings of the Sixth International Workshop on Feature Interactions in Telecommunications and Software Systems, May 2000. Available in Postscript and PDF. Formatted for A4 paper.
  • "Implementing Intelligent Network Services with the Session Initiation Protocol". With Henning Schulzrinne and Thomas F. La Porta. Columbia University Technical Report CUCS-002-99, New York, NY, January 1999. Available in compressed Postscript, Postscript, and PDF.
• RFCs:

  Call Processing Language Framework and Requrements

  RFC 2824
  Informational RFC, May 2000
  Written with Henning Schulzrinne
  Previous draft versions:
  draft-ietf-iptel-cpl-framework-02, January 25, 2000: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-framework-01, October 22, 1999: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-framework-00, June 25, 1999: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-requirements-00, July 30, 1998: text, PostScript, or PDF.

  Common Gateway Interface for SIP

  RFC 3050
  Informational RFC, January 2001
  Written with Jonathan Rosenberg and Henning Schulzrinne
  Previous draft versions:
  draft-lennox-sip-cgi-04, June 5, 2000: text, PostScript, or PDF.
  draft-lennox-sip-cgi-03, March 1, 2000: Available as text, PostScript, or PDF.
  draft-lennox-sip-cgi-02, October 22, 1999: text, PostScript, or PDF.
  draft-lennox-sip-cgi-01, May 21, 1999: text, PostScript, or PDF.
  draft-lennox-sip-cgi-00, October 16, 1998: text, PostScript, or PDF.
  

  Call Processing Language (CPL): A Language for User Control of Internet Telephony Services

  RFC 3880
  Proposed Standard RFC, October 2004
  Written with Xiaotao Wu and Henning Schulzrinne
  Previous draft versions:
  draft-ietf-iptel-cpl-07, August 1, 2003: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-06, January 15, 2002: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-05, November 21, 2001: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-04, November 14, 2000: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-03, October 25, 2000: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-02, July 14, 2000: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-01, March 10, 2000: text, PostScript, or PDF.
  draft-ietf-iptel-cpl-00, February 26, 1999: text, PostScript, or PDF.

• Internet-Drafts:

  Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP)

  draft-ietf-mmusic-comedia-tls-04
  July 6, 2005
  Available as text or html.
  Previous versions:
  draft-ietf-mmusic-comedia-tls-03, June 16, 2005: text or html.
  draft-ietf-mmusic-comedia-tls-02, October 4, 2004: text or html.
  draft-ietf-mmusic-comedia-tls-01, July 16, 2004: text.
  draft-ietf-mmusic-comedia-tls-00, April 26, 2004: text.
  

  Protocols for Application and Desktop Sharing

  draft-lennox-avt-app-sharing-00
  December 1, 2004
  Written with Henning Schulzrinne, Jason Nieh, and Ricardo Barrato
  Available as text or html.
  

  Transporting User Control Information in SIP REGISTER Payloads

  draft-lennox-sip-reg-payload-01 October 31, 2000
  Written with Henning Schulzrinne
  Available as text, PostScript, or PDF.
  Previous versions:
  draft-lennox-sip-reg-payload-00, March 6, 2000: text, PostScript, or PDF.
  draft-ietf-iptel-sip-reg-payload-00, February 23, 1999: text, PostScript, or PDF.

• Slides from a talk on them from the forty-first meeting of the IETF in Los Angeles, California on April 1, 1998, in PostScript or PDF format.
• Slides from a talk at the forty-second meeting of the IETF in Chicago, Illinois, on August 24, 1998, in PostScript or PDF format.

I presented an overview of Internet Real-Time Audio at internetaudio.aes.org, the 14th International Conference of the Audio Engineering Society, on June 13, 1997, in Seattle, Washington. The slides from the talk are available in LaTeX, PostScript, or PDF form.

Software

CINEMA

The Columbia InterNet Extensible Multimedia Architecture — a family of SIP and RTSP servers.

UDPTunnel

A program for tunneling UDP over TCP

Cal-Code

Java code for evaluating CPL time-switch recurrences

Teaching

Other