Abstract
The IEEE Std. 1596-1992 for the Scalable Coherent Interface (SCI) specifies a topology-independent communication protocol with the possibility of connecting up to 64 K nodes. SCILab is a collection of tools to simulate the behavior of SCI based networks. It is aimed at studying the influence of linkspeed, interface design and SCI protocols under various loading conditions for different topologies. Effects due to the SCI bandwidth allocation, queue acceptance and cache coherency protocols are taken into account. Large SCI systems consisting of rings interconnected by switches can be investigated. Examples of SCI nodes whose behavior can be specified by user definable parameters are also included in the model. The simulations produce statistics on the SCI link traffic, bandwidth available to SCI nodes such as processors and memories, and the latency of SCI packets traveling through a network from source to target. >
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