drcl.intserv.scheduler
Class Translator_GR

java.lang.Object
  drcl.intserv.RspecTranslator
      drcl.intserv.scheduler.Translator_GR

public class Translator_GR

extends RspecTranslator

Generalized Rate Guarantee Translator: can work with any traffic model. It produces Rspecs in the SpecR_GR class.

The minimum end-to-end queueing delay is calculated using the following formula:

	buffer required at last hop = burst_ + hop * MTU

        end-to-end delay = (buffer required at last hop) / minBW.

See Also:

SpecR_GR

Constructor Summary

Translator_GR()

Method Summary

SpecR

translate(SpecAd adspec_, QoSRequirement qos_) Given the Adspec, the method returns the "minimum" Rspec that satisfies the specified QoS requirement.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Translator_GR

public Translator_GR()

Method Detail

translate

public SpecR translate(SpecAd adspec_,
                       QoSRequirement qos_)

Description copied from class: RspecTranslator

Given the Adspec, the method returns the "minimum" Rspec that satisfies the specified QoS requirement. It returns null if such an Rspec does not exist.

Specified by:

translate in class RspecTranslator