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Complete Transport Networks
RPR demythdified Answers

  1. RPR is just a derivative of DPT.
    False
    - DPT is an early, proprietary protocol related to RPR but it is not a direct derivative.
     
  2. RPR replaces point to point Ethernet solutions.
    True
    - It does, but it also promotes the use of resilient, carrier class rings for packets.
     
  3. RPR requires you to build a new data infrastructure.
    False - It doesn't; it will operate over existing Ethernet or SONET infrastructures.
     
  4. RPR has not been deployed yet.
    False - Many systems have been deployed and operational for extensive periods of time.
     
  5. RPR has poor latency.
    False - It does not. Applying Quality of Service (QoS) allows RPR to differentiate traffic, and minimize latency.
     
  6. RPR's protection scheme sacrifices latency.
    False - Once again, not true. You may protect as much or as little of the traffic as desired per flow without sacrificing transmission speed.

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