Patent attributes
Three embodiments of one-way cross-domain systems for transferring information from a client in a first security domain to a server in a second separate security domain are disclosed. In addition, three embodiments of bilateral cross-domain systems for transferring first information from a client in a first security domain to a server in a second separate security domain and second information from the server in the second separate security domain to the client in the first security domain are also disclosed. Each of the one-way and bilateral cross-domain systems is based upon a single computer server which employs a number of virtual machines to implement send and receive servers. The single computer server also implements one (for the one-way cross-domain systems) or two (for the bilateral cross-domain systems) virtual one-way data links in either virtual machines or within the hypervisor portion of the operating system.
