Re: Acking out-of-order packets?


Stephen Casner (CASNER@venera.isi.edu)
Tue 8 Mar 88 14:00:00-PST


Mark Lambert remarked that the Wideband Network would re-order packets
that missed their satellite reservations. This is true, but such
packets are not "pushed to the end of the queue" as Mark stated. A new
reservation is sent for the packet as soon as the BSAT determines that
the previous reservation was lost. In a sense the packet sits at the
head of the queue, but with the high data rate and long delay time of
the satellite channel, several later packets whose reservations were not
lost may be transmitted while the unfortunate packet is waiting for the
repeated reservation to be received.
                                                        -- Steve Casner
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