Elastic multi-directional resource augmentation in a switched CXL fabric

A switch, comprising:

• first and second switch ports;
• a first Virtual Compute Express Link (CXL) Switch (VCS) configured to route messages, conforming to a first CXL protocol, from the first switch port to a Resource Provisioning Unit (RPU);
• a second VCS configured to route messages, conforming to a second CXL protocol, from the RPU to the second switch port;
• and
• wherein the RPU is configured to:
• terminate the first and second CXL protocols, and
• translate at least some of the messages conforming to the first CXL protocol to at least some of the messages conforming to the second CXL protocol.

A method, comprising:

• routing, by a first Virtual Compute Express Link (CXL) Switch (VCS) from a first switch port to a Resource Provisioning Unit (RPU), messages conforming to a first CXL protocol;
• routing, by a second VCS from the RPU to a second switch port, messages conforming to a second CXL protocol;
• terminating the first and second CXL protocols;
• and
• translating at least some of the messages conforming to the first CXL protocol to at least some of the messages conforming to the second CXL protocol.

A system, comprising:

• a first host coupled to a first switch port;
• a second host or a device coupled to a second switch port;
• a first Virtual Compute Express Link (CXL) Switch (VCS) configured to route messages conforming to a first CXL protocol and communicated via the first switch port;
• a second VCS configured to route messages conforming to a second CXL protocol and communicated via the second switch port;
• and
• a Resource Provisioning Unit (RPU) configured to:
• terminate the first and second CXL protocols, and translate at least some of the messages conforming to the first CXL protocol to at least some of the messages conforming to the second CXL protocol.