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Liveness Enforcing Supervision of Video Streaming Systems Using Nonsequential Petri Nets

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3 Author(s)
Hesuan Hu ; Dept. of Electr. & Comput. Eng., New Jersey Inst. of Technol., Newark, NJ, USA ; MengChu Zhou ; Li, Z.

Internet-motivated video streaming systems face such complicated issues as a high degree of network-resource sharing amongst many flows, which potentially leads to deadlocks. Using siphons and their corresponding dangerous markings, this work investigates a method to enforce control iteratively. At each iteration, a generalized mutual exclusion constraint is produced to keep only those markings under which liveness is enforced. Furthermore, a generalized elementary siphon control method is proposed such that the final supervisor is structurally simple. Examples are used to illustrate the proposed approach.

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Multimedia, IEEE Transactions on  (Volume:11 ,  Issue: 8 )