IP Over Bluetooth BOF (ipobt) Monday, July 31 at 0900-1130 ============================ CHAIRS: Pravin Bhagwat Kris Fleming DESCRIPTION: Bluetooth is an emerging technology for short range wireless communication which enables devices in proximity (< 10 meters) to communicate with each other. Bluetooth SIG, a consortium of nine promoter companies and over 1800 adopter companies, is defining radio, baseband, and protocol specifications to facilitate interoperability among multi-vendor Bluetooth solutions. Bluetooth version 1.0 specifications were released in Dec 1999 and the first generation of products (cellular phones, headsets, palmtops, and laptop computers) are expected to be launched before the end of this year. Bluetooth can support point-to-point, point-to-multipoint, and multi-hop communication over wireless medium, but only point-to-point feature of Bluetooth is enabled in version 1.0 release. The next release is aimed at supporting any-to-any communication among devices forming a piconet. Bluetooth piconets can exist as disconnected networks or be connected to the Internet via cell phones or LAN access points. In both configurations (connected or disconnected), it is desirable to make Bluetooth devices IP addressable and use IP based protocols for address assignment, name resolution, and packet forwarding. A Bluetooth piconet can be viewed as an instance of a zero-conf network. Similarly, a collection of connected piconets can be modeled as an instance of a MANET (multi-hop ad hoc) network. Personal Area Networking (PAN) working group of Bluetooth SIG has already started the process of developing a specification for IP over Bluetooth. This BOF will provide an open forum for the members of the Bluetooth SIG and the IETF to exchange information, debate design issues, and learn from each other's work. The aim of the BOF is to ensure that the IP over Bluetooth specifications are compatible with the protocols being developed by the zero-conf and manet working groups of the IETF. Specifically, the aim is to discuss the following topics: 1. Present an overview of Bluetooth technology to the IETF community 2. Explain the constraints of Bluetooth PHY layer (why some things can or cannot be done) 3. IPv{4,6} encapsulation, MTU, multicast for a single piconet. - discussion of synergy with zero-conf working group 4. Evolution of issue #3 for multiple connected piconets. 6. Applying MANET protocols to Bluetooth multihop networks. Recommended reading * Bluetooth - The universal radio interface for ad hoc, wireless connectivity, Jaap Haartsen. Ericsson review 03, 1998. (http://www.ericsson.com/review/issues.taf ) * Bluetooth version 1.0: Part B, Baseband (http://www.bluetooth.com/developer/specification/core.asp) * Bluetooth version 1.0: Part D, Logical Link Control and Adaption Protocol Specification (http://www.bluetooth.com/developer/specification/core.asp) * Bluetooth version 1.0: Part K:9, LAN access profile (http://www.bluetooth.com/developer/specification/profiles.asp) AGENDA: 1) BOF Objectives (chairs) 2) Bluetooth SIG overview (Mike Foley) 3) Bluetooth technology overview (Pravin Bhagwat) 4) TCP/IP support in Bluetooth version 1.0 (Johan Sorensen) 5) IP over Bluetooth design issues (Kris Fleming) -- PAN WG goals and requirements -- zero-conf issues -- MANET issues -- mini DHCP, DNS requirements 6) Agree on next steps 7) Closing