Sun Microsystems, Inc.

Frederic C Batty

William J Yeager

Daryl Huff

Anil K Srivastava

Timothy C Misner

Jacques E Belissent

According to the present invention, methods, apparatus, and computer readable medium are disclosed for defining a virtual domain in an electronic messaging system are disclosed. A virtual domain node is defined that corresponds to a real (non-virtual) domain. The virtual domain node resided in a hierarchically organized directory. A plurality of virtual domain attributes are then assigned to the virtual domain node. The directory is a tree based hierarchical directory arranged in such a way even in a multiple domain environment, a name search operation is executed as if in a flat name space.

Methods and apparatus for providing a virtual host in electronic messaging servers

A method and apparatus are disclosed for accessing messages in a message store in a multi-threaded system with reduced contention by first determining whether a process is available for accepting a new connection and responsibility for that connection is transferred to that process, which includes one or more threads. One thread is selected and initialized which then manages client requests for accessing messages or data in the message store. The thread is terminated when a termination request is received or when a predetermined condition has been met. Also provided is a computer system for accessing messages in a message store in a multi-threaded environment with reduced contention. Clients are connected to a connection request router that contains a parent process for routing client requests for manipulating data. Also included are request handlers associated with the request router where the request handlers include a multiplicity of active connection threads. A shared memory area associated with the request router contains request handler identifiers, thread identifiers, and other activity information that can be shared by the request handlers and their associated request router.

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Redwood City, CA, United States of America

Frederic C Batty