Scheduling discipline for latency and bandwidth guarantees in asynchronous network-on-chip
2005
Guaranteed services (GS) are important in that they provide predictability in the complex dynamics of shared communication structures. This paper discusses the implementation of GS in an asynchronous network-on-chip. We present a novel scheduling discipline called asynchronous latency guarantee (ALG) scheduling, which provides latency and bandwidth guarantees in accessing a shared media, e.g. a physical link shared between a number of virtual channels. ALG overcomes the drawbacks of existing scheduling disciplines, in particular, the coupling between latency and bandwidth guarantees. A 0.12 /spl mu/m CMOS standard cell implementation of an ALG link has been simulated. The operation speed of the design was 702 MDI/s.
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