Resource Reservation Protocol in Real-time Systems

Resource Reservation Protocol (RSVP) is used in real-time systems for an efficient quality band transmission to a particular receiver. It is generally used by the receiver side for the fast delivery of the transmission packets from the sender to the receiver.

Features of Resource Reservation Protocol:

Flowspec is used in RSVP to determines the different parameters like bandwidth, link strength, congestion, etc for smooth and collisionless communication and data transfer.

Filterspcec is used in RSVP for filtering of the packets. It is used to route the packets according to its destination type as a fixed or shared receiver.

Types of messages used in RSVP connection establishment:

Reservation Messages Transfer:

Path Messages Transfer:

The data sent by the sender in Resource Reservation Protocol is encrypted to prevent the data sent to the receiver from breach.

Error reporting is done at the sender side in Resource Reservation Protocol for making the necessary changes in the communication strategy.

In case of failure in RSVP, the admission state of the hop is sent to the requester for handling the necessary packets.

In RARP the routers record the necessary forward and reverse routing state. The router may also make the necessary changes in the path message sent by the sender to the receiver to indicate the actual resource availability.

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