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Input-queued (IQ) switches overcome the scalability problem suffered by output-queued switches. In order to provide differential quality of services (QoS), we need to efficiently schedule a set of incoming packets so that every packet can be transferred to its destined output port before its deadline. If no such a schedule exists, we wish to find one that(More)
MPLS (multi-protocol label switching) networks allow multiple LSPs (label-switched paths) be established from a source to a destination to satisfy throughput required by an application. Given a MPLS network, where each link is associated with a maximum available bandwidth, a fundamental traffic engineering problem is how we can find minimum number of paths(More)
In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: Keywords: Input-queued switch Packet scheduling Quality of service Deadline guarantee(More)
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