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UC CAS4-3: C A S , S L , DR , >1S, NP, > 1A Overload resulting in reduced realm capacity

UC CAS4-3: C A S , S L , DR , >1S, NP, > 1A Overload resulting in reduced realm capacity. Client. Agent. Server1. Server2. Server 1 Overloaded. Server 2 Overloaded. xxR(DR). xxA OLR (R=60%). Agent adjusts distribution policy to reflect knowledge of overloaded server. xxR(DR).

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UC CAS4-3: C A S , S L , DR , >1S, NP, > 1A Overload resulting in reduced realm capacity

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  1. UC CAS4-3: CAS, SL, DR, >1S, NP, >1AOverload resulting in reduced realm capacity Client Agent Server1 Server2 Server 1 Overloaded Server 2 Overloaded xxR(DR) xxA OLR (R=60%) Agent adjusts distribution policy to reflect knowledge of overloaded server xxR(DR) Agent generates realm overload report xxA OLR (R=60%) xxA OLR (R=60%) OLR (DRR=40%)

  2. UC CAS4-3: CAS, SL, DR, >1S, NP, >1AOverload resulting in reduced realm capacity Client Agent Server1 Server2 Server 1 Overloaded Server 2 Overloaded xxR(DR) xxA OLR (DH-R=60%) • Each server shall send overload information when it is under an overload situation. • An individual server is only able to include DH-R • Agent requires DH-R for two reasons: • to be able to balance traffic internal to the realm among all available servers. • To determine when realm is getting into overload • If realm gets overload, then agent shall provide that info to clients that have sent a request to a realm xxR(DR) xxA OLR (DH-R=60%) xxA OLR (DH-R=60%) xxR(DR) xxA OLR (DH-R=60%) xxA OLR (DR-R=60%) DR-R: expected traffic reduction per destination realm DH-R: expected traffic reduction per destination host

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