HELP! * GREY=local LOCAL HTML version of Foils prepared 17 Feb 1997

Foil 22 RSVP Reservation Model (Continued)

From Reservation Protocol Large Web Application Class, CPS600/640 Fall 1997 -- Fall Semester 97. by Marek Podgorny * See also color IMAGE
The basic RSVP reservation model is "one pass":
  • This scheme provides no easy way for a receiver to find out the resulting end-to-end service.
  • RSVP supports an enhancement to one-pass service known as "One Pass With Advertising" (OPWA)
  • With OPWA, RSVP control packets are sent downstream to gather information that may be used to predict the end- to-end QoS. The results are delivered by RSVP to the receiver hosts. The results may then be used by the receiver to dynamically adjust the reservation request.

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