What is Advanced Switching Interconnect?

Advanced Switching Interconnect (ASI) is a switched interconnect technology defined by the PCI-SIG that extends the PCI Express (PCIe) protocol to support fabric-based, multi-host, and peer-to-peer communications in modular, embedded, and telecom systems. Expanded Explanation 1. Technical Function and Core Characteristics ASI extends the PCIe physical and link layers with a fabric-capable protocol layer that supports packet switching, virtual channels, and Quality of Service (QoS) mechanisms.

Advanced Switching Interconnect (ASI)

Last updated August 24, 2026

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