dAElite : a TDM NoC suporting QoS, multicast, and fast connection set-up

R.A. Stefan, A.M. Molnos, K.G.W. Goossens

Research output: Contribution to journalArticleAcademicpeer-review

62 Citations (Scopus)
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Networks-on-Chip are seen as promising interconnect solutions, offering the advantages of scalability and high frequency operation which the traditional bus interconnects lack. Several NoC implementations have been presented in the literature, some of them having mature tool-flows. The main differentiating factor between the various implementations are the services and communication patters they offer to the end-user. In this paper we present dAElite, a TDM Network-on-Chip that offers a unique combinations of features, namely guaranteed bandwidth and latency per connection, built-in support for multicast, and a short connection set-up time. While our NoC was designed from the ground up, we leverage on existing tools for network dimensioning, analysis and instantiation. We have implemented and tested our proposal in hardware and we compared it to AEthereal, a state-of-the-art NoC with similar features, but no multicast. We find that the connection set-up time is reduced by a factor of 10 and the network traversal latency is decreased by 33%. Moreover, considering realistic values of the network parameters dAElite has a lower hardware area when synthesized in 65 nm technology.
Original languageEnglish
Pages (from-to)583-594
Number of pages12
JournalIEEE Transactions on Computers
Issue number3
Publication statusPublished - 2014


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