Main Attributes
- RSVP requests resources for simplex flows: a traffic stream in only one direction from sender to one or more receivers.
- RSVP is not a routing protocol but works with current and future routing protocols.
- RSVP is receiver oriented: in that the receiver of a data flow initiates and maintains the resource reservation for that flow.
- RSVP maintains "soft state" (the reservation at each node needs a periodic refresh) of the host and routers' resource reservations, hence supporting dynamic automatic adaptation to network changes.
- RSVP provides several reservation styles (a set of reservation options) and allows for future styles to be added to protocol revisions to fit varied applications.
- RSVP transports and maintains traffic and policy control parameters that are opaque to RSVP.
Read more about this topic: Resource Reservation Protocol
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