A Joint Message from the IPMI Promoters (Dell, Hewlett Packard Enterprise, NEC, Intel Corporation):
No further updates to the IPMI specification are planned or should be expected. The IPMI promoters encourage equipment vendors and IT managers to consider a more modern systems management interface which can provide better security, scalability, and features for existing datacenters and be supported on the requisite platforms and devices. DMTF’s Redfish standard (from redfish.dmtf.org) is an example of one such interface.
The above statement applies only to the IPMI specification, and should have no impact on existing IPMI implementations.
The Redfish standard is using the IPMI Group ID value of 0x52 (ASCII ‘R’).