Real-Time Computation of Point-to-Multipoint Routes in Optical Networks for Digital Television

R. Messmer (Austria) and J. Keller (Germany)


pointtomultipoint routing, digital television network, online algorithm


Multimedia networks in television studios are on the move from expensive special equipment to complete digitization into mainstream data networks. Differences are real-time requirements and large bandwidths of single connections. We present an algorithm to compute routes for a point to-multipoint connection within an optoelectronic switched television studio network in real-time after a connection request. This is achieved by combining offline and online algorithms. We validate the algorithm with realistic and synthetic example networks and connection requests.

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