Technologie-Zentrum Informatik Digital Media
and Networks
Department for
Mathematics and
Computer Science
Universität Bremen

RFCs
RFC 3485 Miguel Garcia-Martin, Carsten Bormann, Jörg Ott, Richard Price, and Adam Roach, The Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Static Dictionary for Signaling Compression (SigComp) , February 2003.
RFC 3427 Allison Mankin, Scott Bradner, Rohan Mahy, Dean Willis, Jörg Ott, Brian Rosen Change Process for the Session Initiation Protocol (SIP), December 2002.
RFC 3259 Jörg Ott, Colin Perkins, and Dirk Kutscher, A Message Bus for Local Coordination, April 2002.
RFC 2429 Carsten Bormann, Linda Cline, Gim Deisher, Tom Gardos, Christian Maciocco, Donald Newell, Jörg Ott, Gary Sullivan, Stephan Wenger, Chad Zhu, RTP Payload Format for the 1998 Version of ITU-T Rec. H.263 Video (H.263+), October 1998.
Internet Drafts
draft-ietf-mmusic-sdpng-08.txt Dirk Kutscher, Jörg Ott, and Carsten Bormann, Session Description and Capability Negotiation, February 2005.
draft-ietf-xcon-floor-control-req-03.txt Petri Koskelainen, Jörg Ott, Henning Schulzrinne, Xiatoa Wu, Requirements for Floor Control Protocol, January 2005.
draft-ietf-xcon-bfcp-03.txt Gonzalo Camarillo, Jörg Ott, Keith Drage, The Binary Floor Control Protocol (BFCP), December 2004.
draft-ietf-avt-rtcpssm-08.txt Julian Chesterfield, Eve Schooler, and Jörg Ott, RTCP Extensions for Single-Source Multicast Sessions with Unicast Feedback, October 2004.
draft-ietf-avt-rtcp-feedback-11.txt Jörg Ott, Stephan Wenger, Noriyuki Sato, Carsten Burmeister, Jose Rey, Extended RTP Profile for RTCP-based Feedback (RTP/AVPF), August 2004.
draft-ott-mmusic-sdp-t120-00.txt Jörg Ott, SDP Attributes for T.120 Data Conferencing, August 2004.
draft-ietf-avt-profile-savpf-01.txt Jörg Ott, Elisabetta Carrara, Extended Secure RTP Profile for RTCP-based Feedback (RTP/SAVPF), July 2004.
draft-ietf-mmusic-img-req-07.txt Yuji Nomura, Rod Walsh, Juha-Pekka Luoma, Jörg Ott, Henning Schulzrinne, Protocol Requirements for Internet Media Guides, June 2004.
draft-burmeister-avt-rtcp-feedback-sim-06.txt Carsten Burmeister, Rolf Hakenberg, Akihiro Miyazaki, Jörg Ott, Noriyuki Sato, and Shigeru Fukunaga, Extended RTCP Profile for RTCP-based Feedback: Results of the Timing Rule Simulations, April 2004.
draft-ietf-mmusic-sdpng-trans-04.txt Jörg Ott and Colin Perkins, SDPng Transition, May 2003.
draft-ietf-mmusic-sdpng-req-01.txt Dirk Kutscher, Jörg Ott, Carsten Bormann, and Igor Curcio, Requirements for Session Description and Capability Negotiation, April 2001.
draft-ietf-mmusic-mbus-call-control-00.txt Jörg Ott, Dirk Kutscher, Dirk Meyer, An Mbus Profile for Call Control, February 2001.
draft-kutscher-mbus-ipac-00.txt Dirk Kutscher and Jörg Ott, An Mbus Profile for Internet Appliance Control, February 2001.
draft-ietf-mmusic-sccp-01.txt Carsten Bormann, Dirk Kutscher, Jörg Ott, and Dirk Trossen, Simple Conference Control Protocol — Service Specification, February 2001.
draft-ietf-mmusic-confarch-03.txt Mark Handley, Jon Crowcroft, Carsten Bormann, and Jörg Ott, The Internet Multimedia Conferencing Architecture, July 2000.
draft-ietf-mmusic-mbus-req-00.txt Jörg Ott, Colin Perkins, and Dirk Kutscher, Requirements for Local Conference Control, December 1999.
draft-bormann-mtp-so-02.txt Carsten Bormann, Jörg Ott, and Nils Seifert, MTP/SO: Self-Organizing Multicast., June 1999.
Papers
Jörg Ott and Dirk Kutscher: A Mobile Access Gateway for Managing Intermittent Connectivity. Accepted for Publication in the Proceedings of the 14th IST Mobile & Wireless Communication Summit, Dresden, June 2005.
Jörg Ott and Dirk Kutscher: Networked Multimedia with Internet Media Guides. Accepted for Publication in the Proceedings of the TERENA Networking Conference 2005, Poznan, Poland, June 2005.
Jörg Ott and Dirk Kutscher: Exploiting Regular Hot-Spots for Drive-thru Internet. Proceeding of Kommunikation in Verteilten Systemen (KiVS) 2005, Kaiserslautern, March, 2005.
Jörg Ott and Dirk Kutscher: A Disconnection-Tolerant Transport for Drive-thru Internet Environments. Proceedings of IEEE Infocom 2005, Miami, March, 2005.
Dirk Kutscher and Jörg Ott: Service Location and Multiparty Peering for Mobile Ad-hoc Communication. Proceedings of the IFIP-TC6 9th International Conference on Personal Wireless Communications (PWC) 2004, Delft, September, 2004.
Jörg Ott and Dirk Kutscher: Why Seamless? Towards Exploiting WLAN-based Intermittent Connectivity on the Road. Proceedings the TERENA Networking Conference (TNC) 2004, Rhodes, Greece, June, 2004.
Jörg Ott and Dirk Kutscher: The "Drive-thru" Architecture: WLAN-based Internet Access on the Road. Proceedings of Vehicular Technology Conference VTC 2004 Spring, Milano, Italy, May, 2004.
Jörg Ott and Dirk Kutscher: Drive-thru Internet: IEEE 802.11b for "Automobile" Users. Proceedings of Infocom 2004, Hong Kong, March 2004.
Dirk Kutscher und Jörg Ott: Dynamic Device Access for Mobile Users. Proceedings of the IFIP-TC6 8th International Conference on Personal Wireless Communications (PWC) 2003, LNCS 2775, pp. 53-64, Venice, Italy, September 2003.
Jörg Ott, Dirk Kutscher und Colin Perkins: The Message Bus: A Platform for Component-based Conferencing Applications. Proceedings of CBG 2000: The CSCW 2000 workshop on Component-based Groupware, Philadelphia, PA, USA, December 2000.
James Toga und Jörg Ott: ITU-T standardization activities for interactive multimedia communications on packet-based networks: H.323 and related recommendations. In: Computer Networks, The International Journal of Computer and Telecommunications Networking, Special Issue on Internet Telephony, Vol 31 (1999), No 3, pp 191-204. Elsevier, North Holland, 1999.
Mark Handley, Jon Crowcroft, Carsten Bormann und Jörg Ott: Very large conferences on the Internet: the Internet multimedia conferencing architecture. In: Computer Networks, The International Journal of Computer and Telecommunications Networking, Special Issue on Internet Telephony, Vol 31 (1999), No 3, pp 191-204. Elsevier, North Holland, 1999.
Jörg Ott, Stephan Wenger und Gerd Knorr: Application of H.263+ Video Coding Modes in Lossy Packet Network Environments. In: Journal of Visual Communication and Image Representation, Vol. 10, pp. 12-38, Academic Press, 1999.
Nils Seifert, Carsten Bormann und Jörg Ott: MTP/SO: Self-Organizing Multicast. In: 1st Multicast Workshop, Gesellschaft für Informatik, Braunschweig, May 1999.
Stephan Wenger, Gerd Knorr, Jörg Ott, und Faouzi Kossentini: Error resilience support in H.263+. In: IEEE Transactions on Circuits and Systems for Video Technology, Vol 8, No 7, pp 867-877, 1998.
Dirk Kutscher, Jörg Ott und Carsten Bormann: Engineers and Accidents: An adaptable Conferencing Platform and its Application to Harbour Management. In: Proceedings of the 3rd European Workshop on Information Technologies and Multimedia Services for the Maritime World (Marcom 98), Brest, France, October 1998.
Sigram Schindler, Stefan Braun, Barnim Dzwillo, Peter Kratz und Jörg Ott: Software Architecture for Multimedia Conference Terminals based on prETS 300 740 In: Proceedings of the Broadband Islands Fourth International Conference, Elsevier, 1995.
Jörg Ott und Carsten Bormann: Multicasting the ITU MCS: Integrating Point-to-Point and Multicast Transport. In: Proceedings of the 1994 International Conference on Computing Systems, Singapur, November 1994.
Carsten Bormann, Jörg Ott, Hans-Christian Gehrcke, Torsten Kerschat, Nils Seifert: Multicast Sockets: A Reliable Multicast Transport Service Interface and its Implementation. In: Proceedings of the Workshop on New Protocols for Multimedia Systems, Technische Universität Berlin, 1994.
Carsten Bormann, Jörg Ott, Hans-Christian Gehrcke, Torsten Kerschat und Nils Seifert: MTP-2: Towards Achieving the S.E.R.O. Properties for Multicast Transport. In: Proceedings of the 1994 International Conference on Computer Communications and Networks (ICCCN '94), 1994.
Carsten Bormann, Jörg Ott und Gero Hoffmann: First Experience with Multicasting the X Protocol. Broadband Islands Third International Conference, Elsevier, 1994.
Jörg Ott, Carsten Bormann und Ute Bormann: Service Interoperability in Teleconferences. Publiziert als Common Functional Specification L313 des RACE Industrial Consortium, February 1994.
Sigram Schindler, Stefan Edlich und Jörg Ott: Videokonferenzen und Groupware. In: Groupwareeinsatz in Organisationen, Verlag GMD mbH, October 1993.
Some presentations
Infocom 2005 A Disconnection-tolerant Transport for Drive-thru Internet Environments
KiVS 2005 Exploiting Regular Hot-Spots for Drive-thru Internet
ENUM-Tag 2005 SIP and ENUM
Upperside SIP 2005 SIP Tutorial (no slides available)
ISOC.DE: IETF-Tag Internet-Multimedia: Konversion statt Konvergenz (no slides available)
7. Call-Manager-Anwendertreffen Deploying SIP: Living with NATs and Firewalls
Upperside WiFi Voice 2004 SIP Voice Services for Intermittently Connected Users in Wireless Networks
Upperside WiMax Summit 2004 Drive-thru Internet: Bringing Local-Area Wireless Connectivity to Wide-Area Mobile Users
VTC Spring 2004 The "Drive-thru" Architecture: WLAN-based Internet Access on the Road
Berufsakademie Stuttgart SIP Tutorial (no slides available)
Infocom 2004 Drive-thru Internet: IEEE 802.11b for "Automobile" Users
Upperside SIP 2004 SIP Tutorial (no slides available)
Upperside TVoDSL 2004 Internet Media Guides (IMGs): Supporting Cross Platform Media Delivery
DVB IPI Working Group Internet Media Guides (IMG): Standardization in the IETF
IAONA Security WG Security in Production IP Networks: Some Solutions and their Issues
Upperside SIP 2003 SIP Tutorial (no slides available)
Presence Aggregation in Endpoints
SIP Conferencing
VDE/ITG Fachgruppe 5.2.4 SIP and Mobility: IP Multimedia Subsystem in 3G Release 5 (Tutorial)
FKTG-Regionalgruppe Nord-West Integrierte Datendienste für DVB-T: Vom digitalen Fernsehen zur mobilen Serviceplattform (available only in German)
VON Europe 2002 SIP Tutorial (no slides available)
Aspects of SIP-enabled Enterprise Communications
ITG Workshop on IP Telephony, June 2002 SIP for Personal Presence and Instant Messaging
TERENA Workshop on IP Telephony Some Findings and Recommendations for an IP Telephony Infrastructure
Upperside SIP 2002 SIP Tutorial (no slides available)
An Update on SDPng
Non-interworking between SIP and H.323, MGCP, MEGACO/H.248
Workshop Siemens AG, Munich Konversion statt Konvergenz: Warum "Voice-over-IP" erst der Anfang ist (available only in German)
Uni Bremen Workshop Sicherheit in IP-Telefonie (available only in German)
Fall VON 2001 SIPPING Working Group Update
IIR PSTN-IP Interworking 2001 Protocol Developments and IP-PSTN Convergence
ComVerse Users Forum 2001 A SIP Perspective on 3GPP
VON Europe 2001 SIP Working Group Status
SIP Location Servers
marcus evans SIP 2001 A Short Histroy of SIP
IIR SIP Congress 2001 SIP Conferencing
Comnets 2001 Overview of the WIPTEL Project
Upperside SIP 2001 An Abstract Call Control Model for Modular SIP Implementations
Books and Book Chapters
Konzepte der Internet-Technik Carsten Bormann, Jörg Ott, Dirk Kutscher und Olaf Bergmann.
SPC TEIA Lehrbuch Verlag, 2002. ISBN 3-935539-52-5.
Konzepte Content-Repräsentation & Markup-Sprachen Carsten Bormann, Jörg Ott, Dirk Kutscher und Olaf Bergmann.
SPC TEIA Lehrbuch Verlag, 2002. ISBN 3-935539-58-4.
IP Telephony Cookbook Margit Brandl, Dimitris Daskopoulos, Erik Dobbelsteijn, Rosario Guiseppe Garroppo, Jan Janak, Jiri Kuthan, Saverio Niccolini, Jörg Ott, Stefan Prelle, Sven Ubik, Egon Verharen.
TERENA 2004. ISBN 90-7759-08-6.
Theses
Studienarbeit TU Berlin Einsatz der X-Protokolle bei der Realisierung von Mechanismen der verteilten Gruppenarbeiten, Studienarbeit im Studiengang Informatik, Technische Universität Berlin, Januar 1991.
Diplomarbeit TU Berlin Der Synchronisationsdienst im IVICO-(=Integrated Videoconferencing)-System auf der Grundlage des OSI-Referenzmodells, Diplomarbeit im Studiengang Informatik, Technische Universität Berlin, Oktober 1991.
Diplomarbeit TFH Berlin Einsatz von Telekooperationstechnik im Unternehmen — Technisch-wirtschaftliche Rahmenbedingungen, Diplomarbeit im Aufbaustudiengang Wirtschaftsingenieur, Technische Fachhochschule Berlin, März 1995.
Dissertation TU Berlin A Multipoint Data Communication Infrastructure for Standards-based Teleconferencing Systems, Dissertation zum Dr.-Ing. im Studiengang Informatik, Technische Universität Berlin, April 1997.

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