Patent ID: 11966415
Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A computer system comprising:
a processing unit; and
a memory storing computer executable instructions that, when executed by the processing unit, cause the computer system to:
replicate a plurality of per-user databases for a plurality of users across a plurality of database servers linked across a network, wherein each of the plurality of the per-user databases comprises an electronic identity and an electronic mailbox of a single user of the plurality of users;
upload and activate the plurality of per-user databases onto a denied, degraded, intermittent, or latent (DDIL) server, the DDIL server being located in a computing environment separate from computing environments of the plurality of database servers;
when the DDIL server is not connected to the network, provide a client device of a first user of the plurality of users with an electronic identity of the first user and an electronic mailbox of the first user from a per-user database of the first user from the DDIL server, wherein the DDIL server allows the plurality of users from the plurality of per-user databases activated on the DDIL server to exchange electronic mail via the DDIL server while the DDIL server is not connected to the network; and
when the DDIL server is connected to the network:
synchronize the per-user database of the first user from the DDIL server across the network to the plurality of database servers; and
provide the client device of the first user with the electronic identity of the first user and the electronic mailbox of the first user from a per-user database of the first user from one of the plurality of database servers.