* Redfish Aggregation between BMCs
@ 2021-03-05 8:26 Deepak Kodihalli
2021-03-11 12:29 ` Deepak Kodihalli
0 siblings, 1 reply; 2+ messages in thread
From: Deepak Kodihalli @ 2021-03-05 8:26 UTC (permalink / raw)
To: openbmc
Hi All,
I've seen several email threads (apologize for yet another) regarding
the multi-BMC/Redfish aggregation problem. The specific problem I'm
interested in solving is BMC A wanting to aggregate BMC B's Redfish
resources into its own Redfish model. BMC A and BMC B manage separate
parts of the system and BMC A is the point of contact for external
management clients. Seems like there are multiple options that have
been discussed:
- BMC A talks Redfish (as a Redfish client) to BMC B over a network
and then aggregates responses into its own Redfish model
- BMC A and BMC B rely on some in-band protocol (RDE/PLDM over MCTP,
IPMI, something else)
- Use the Redfish AggregationService schema (this sort of moves
aggregation responsibilities to the Redfish client of BMC A)?
- Others?
Is there a preferred approach, or is it determined based on how the
BMCs are connected?
Thanks,
Deepak
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Redfish Aggregation between BMCs
2021-03-05 8:26 Redfish Aggregation between BMCs Deepak Kodihalli
@ 2021-03-11 12:29 ` Deepak Kodihalli
0 siblings, 0 replies; 2+ messages in thread
From: Deepak Kodihalli @ 2021-03-11 12:29 UTC (permalink / raw)
To: yuenn, rhanley, neladk; +Cc: openbmc
On Fri, Mar 5, 2021 at 1:56 PM Deepak Kodihalli
<deepak.kodihalli.83@gmail.com> wrote:
>
> Hi All,
>
> I've seen several email threads (apologize for yet another) regarding
> the multi-BMC/Redfish aggregation problem. The specific problem I'm
> interested in solving is BMC A wanting to aggregate BMC B's Redfish
> resources into its own Redfish model. BMC A and BMC B manage separate
> parts of the system and BMC A is the point of contact for external
> management clients. Seems like there are multiple options that have
> been discussed:
> - BMC A talks Redfish (as a Redfish client) to BMC B over a network
> and then aggregates responses into its own Redfish model
> - BMC A and BMC B rely on some in-band protocol (RDE/PLDM over MCTP,
> IPMI, something else)
> - Use the Redfish AggregationService schema (this sort of moves
> aggregation responsibilities to the Redfish client of BMC A)?
> - Others?
>
> Is there a preferred approach, or is it determined based on how the
> BMCs are connected?
Nancy/Richard/Neeraj - any thoughts on this topic (asking you since
I've read through emails from you on this topic in the past)?
Thanks,
Deepak
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