Deflection Routing in Hierarchical Mesh NoCs

Gadi Oxman, Shlomo Weiss

Research output: Contribution to journalArticlepeer-review


Deflection routing has benefits that may make it attractive especially when inexpensive network-on-chip (NoC) implementations are considered. In this letter, we present a proposal of deflection routing in hierarchical mesh NoCs. An evaluation of performance and power, obtained with a cycle accurate simulator and using both synthetic and application benchmarks, is reported. We introduce interleaving and shifting, two techniques that reduce the number of routers with a high radix crossbar without reducing network performance.

Original languageEnglish
Article number7457620
Pages (from-to)45-48
Number of pages4
JournalIEEE Embedded Systems Letters
Issue number2
StatePublished - Jun 2016


  • NoC
  • deflection routing
  • hierarchical topology


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