Evaluation and Design of High-Performance Network Topologies
نویسندگان
چکیده
Fiber Channel fabric, cascading, fabric topology, performance analysis, deadlock avoidance, fairness, deadlock-free routing, balanced routing, irregular topologies The Fiber Channel standard provides a mechanism for interconnecting heterogeneous systems containing peripheral devices and computer systems through optical fiber media. In this paper, we consider how FC switches can be cascaded to form a Fiber Channel fabric. We begin with an analytical model of topology performance that provides a theoretical upper bound on fabric performance and a method for the practical evaluation of fabric topologies. This model does not depend on any specific characteristics of Fiber Channel and can be applied to ATM networks, Ethernet networks, and many other forms of networks. It allows us to calculate the approximate traffic throughput supported by a particular network graph, and thus easily compare different network topologies.
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