RSVP

• RSVP transports and maintains traffic control and policy control parameters that are opaque to RSVP
• RSVP provides several reservation models or "styles" to fit a variety of applications
• RSVP provides transparent operation through routers that do not support it
• RSVP supports both IPv4 and IPv6

• RSVP has some in-built problems:

  • It is quite complicated
  • It violates the stateless (connectionless) paradigm of the Internet
  • It does not scale well

• RSVP is a proposed standard but not widely used

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