Toward ideal on-chip communication using express virtual channels

Amit Kumar, Li Shiuan Peh, Partha Kundu, Niraj K. Jha

Research output: Contribution to journalArticlepeer-review

77 Scopus citations


Current on-chip networks use a packet-switched design with a complex router at every hop, which imposes significant communication energy, delay, and throughput overhead. We propose reducing energy and delay, and increasing throughput, using express virtual channels. Packets traveling along these virtual express lanes, which connect distant nodes in the network, bypass intermediate routers, significantly reducing router overhead.

Original languageEnglish (US)
Pages (from-to)80-90
Number of pages11
JournalIEEE Micro
Issue number1
StatePublished - Jan 2008

All Science Journal Classification (ASJC) codes

  • Software
  • Hardware and Architecture
  • Electrical and Electronic Engineering


  • Flow control
  • On-chip interconnects
  • Packet switching
  • Router design


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