Background: Network on Chip (NoC) is a communication mechanism to provide scalable,
modular, robust and high-performance communication for the on-chip network.
Switching Techniques: NoC brings the concept of packet switching from data to on-chip networks. The
nodes are connected through point to point links using regular and irregular topologies. The packet
traverses along these nodes to reach the destination using routing algorithm.
Conclusion: In this paper, NoC architectures are reviewed using different parameters, detail
information is also provided for these parameters. The NoC architectures reviewed are proposed and
implemented in last more than a decade.
Keywords: Network on Chip (NoC), link sharing, quality of service (QoS), fault-tolerant routing algorithms, switching
techniques, buffer management.
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