Michael:

>> I am aware of some places that generate an OCSP response for the entire
>> population of certificates, and those responsed are distributed to many
>> locations.  I am not aware of anyone that distributes the OCSP
>> responder signature private key to multiple locations.
> 
> Does anyone put different OCSP signers into different certificates?
> I.e. shard the work?

This could be done by including different AIA certificate extensions, but I am 
not aware of anyone that does so.

> I think that splitting the OCSP reponses to many locations might solve the
> industrial situation well.

One could put multiple id-ad-ocsp entries in the AuthorityInfoAccess extension, 
but this could lead to a relying party trying each one in turn, resulting in a 
long timeout interval.

Russ

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