This paper discusses the configuration of an ATM(Asynchronous TmnsferMode) switching networkwirh a shared buffer memory switch (SBMS) which has the potential to provide good trafic characteristics and ensy Lsf hplemenmioa The scaling factors of the ATM switching network under a conditwn of mired applicatwns are discussed first. Then the SBMS as the unit element of the multi-stage switching network is described, and its performance evaluation andexperimental data are introduced. The data indicate excellent performance under burst cell arrival conditwn.
Last, a concept of a large scale ATM switching network configuratwn with multi-stage switches is proposed. The nonblocking conditwn in ATM multi-stage switching network as an alternative resoutce management scheme is described.In the fmt phase, the ratio of the subscriber is less than 0.5%. The business user will be the main applicant for this service. The required throughput is about 4Gb/s which corresponds to the switching network with about thirty ports of lSOMb/s line. This means that the single unit switch is sufficient for the switching network of this phase.In the second phase, the ratio is around 10%. This is the penetrating phase. Required throughput is about lSOGb/s which corresponds to the switching network with lo00 ports. This means that a multi-stage switching network is required.
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