Gopal Agrawal

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We study the problem of guaranteeing synchronous message deadlines in token ring networks where the timed token medium access control protocol is employed. Synchronous bandwidth, defined as the maximum time for which a node can transmit its synchronous messages every time it receives the token, is a key parameter in the control of synchronous message(More)
We study the problem of guaranteeing synchronous message deadlines in communication networks where the timed token medium access control protocol is employed. Synchronous capacity, deened as the maximum time for which a node can transmit its synchronous messages every time it receives the token, is a key parameter in the control of synchronous message(More)
Networks used in mission-critical applications must be highly fault-tolemnt. W e propose an FDDI-Based Recon-figumble Network (FBRN) that can survive multiple faults. A n FBRN consists of multiple FDDI trunk rings and has the ability to reconfigure itself in the face of extensive damage. W e consider three classes of FBRNs depending on their degree of(More)
We report our ongoing research in real-iime communication with FDDI-based reconfigumble networks. The original FDDI archiieciure was enhanced in order to improve tis fauli-iolemnce capability while a scheduling methodology, including message assignment , bandwidih allocaiion, and bandwidth management is developed i o support real-time communication. As a(More)
We report our ongoing research in real-time communication with FDDI-based reconngurable networks. The original FDDI architecture was enhanced in order to improve its fault-tolerance capability while a scheduling methodology, including message assignment , bandwidth allocation, and bandwidth management is developed to support real-time communication. As a(More)
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