Optical Internetworking Forum (OIF)
OIF Co-Packaged Optics (CPO) Framework is maintained by Optical Internetworking Forum (OIF). The current version is CPO Framework (multiple implementation agreements). The register lists it as active. The specification is openly available.
Implementation agreements defining how optical engines are integrated directly into (or immediately adjacent to) a switch ASIC package rather than connected via pluggable front-panel modules — the emerging approach to keep scaling datacenter switch I/O bandwidth without the electrical-signaling limits and power cost of driving signals out to the faceplate first.
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