[QA_Confidential]

Akamai isn't using the same certificate on its edge servers, unless you mean the same customer certificate being replicated (in which case you are correct). Basically, Akamai maps each ssl certificate to a slot on the cache server, which is assigned to a map similar to the standard edge CDN. Each edge machine thinks itself the site. Each time a new certificate is issued by an Akamai partner CA or the customer's CA of choice, it is pushed out by Akamai to the ssl edge network.

SAN certs are an entirely different ball of wax. Akamai does support them, but there are some challenges getting them deployed.

Unfortunately, the deployment for any type of certificate with Akamai is a very manual process.