Re: NIC host considered hero


braden@venera.isi.edu
Tue, 13 Sep 88 15:04:49 PDT


Dave,

To qoute from my favorite (draft) document, the Host Requirements RFC:

 "UDP is almost a null protocol; the only services it provides over IP are
  checksumming of data and multiplexing by port number. Therefore, an
  application program running over UDP must deal directly with a number of
  the end-to-end communication problems a connection-oriented protocol
  would have handled -- e.g., retransmission for reliable delivery,
  packetization and reassembly, flow control, congestion avoidance, etc."

Yep, all those things! For "flow control", read "handle Source Quenches".

Bob Braden



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