DCP: Datagram Control Protocol Tim Sohn and Eiman Zolfaghari March 11, 2002.

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Presentation transcript:

DCP: Datagram Control Protocol Tim Sohn and Eiman Zolfaghari March 11, 2002

Motivation and Problem Motivation Growth of real time applications (e.g. IP telephony) UDP avoids built-in congestion control Problem Arbitrary delay when using TCP reliability Difficult to implement own congestion control

Solution New Transport Protocol (DCP) Offers unreliable delivery Accommodates different congestion control Congestion Control IDs TCP-friendly Rate Control (TFRC) TCP-like congestion control Half-Connection Data Packets sent in one direction

Status Studied Relevant Work TCP-friendliness, measurements Testbed 2 computers 1 running NistNet (network emulator) Send packets between computers

Future Plans Complete connection handling and CCID interface in main DCP code (end of March) Done by students under Kevin Lai Design measurement tests and implement CCID code (beginning of April) Run test and analyze results (end of April) Write report (beginning of May)