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Summary: An Asynchronous NoC Router Architecture
Supporting Quality-of-Service
Youngbok Kim and Yong-Bin Kim
Department of Electrical and Computer Engineering
Northeastern University
Boston, MA 02115
Email: {youngbok, ybk}@ece.neu.edu
Abstract-- This paper presents an asynchronous on-chip net-
work router with Quality-of-Service (QoS) support. The router
uses a virtual channel architecture with a priority-based sched-
uler to differentiate between multiple connections with various
QoS requirements sharing the same physical channel. A gate-
level prototype of the router has been built and its functionality
and performance is evaluated. The simulations show that the
router is capable of offering a high-level QoS within the capacity
limitations of the network.
I. INTRODUCTION
A modem System-on-a-Chip (SoC) design represents a het-
erogeneous environment with various components interacting
in many different ways (event-driven, data streaming, message
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