Citrix Systems, Inc.

Corel Corporation

Thomas D Freeman

Bradley Jay Pedersen

Anthony Ungerman

Daniel Alec Gulkis

Gary L Gibb

Daniel Nicholes Woodbury

The present invention relates to a method and apparatus for managing and balancing the load of each of the servers in the network. In one aspect, the invention relates to an apparatus for managing server load in a networked system of servers. The apparatus includes a dynamic store storing run-time information associated with a plurality of servers in a server farm. The apparatus also includes an event bus. The apparatus also includes a load management subsystem in communication with the dynamic store via the event bus. The load management subsystem receives a request from the event bus to identify a server and transmits a message to the event bus that includes an address of an identified server based on information from the dynamic store.

Method and apparatus for managing server load

Method and apparatus for communicating among a network of servers

The present invention relates to a method and apparatus for communication between servers. In one aspect, the invention relates to a multi-server system including a first server and a second server. The first server has a first plurality of subsystems and a first event bus associated with the first plurality of subsystems, the first event bus including a first event delivery object having a first dispatch table and a first transport mechanism associated with the first event delivery object. The second server has a second plurality of subsystems. One of the first plurality of subsystems communicates with one of the second plurality of subsystems by transmitting an event to the first transport mechanism based on an entry in the first dispatch table. In one embodiment, the first transport mechanism transmits data using TCP/IP. In another embodiment, the first plurality of subsystems includes a transport subsystem. In another embodiment, the transport subsystem is in communication with the second server. In another embodiment, each of the first plurality of subsystems has an associated unique identifier. In another embodiment, one of the first plurality of subsystems creates an event having an identifier unique to the creating subsystem.

Methods and apparatus for administering a remote server having a subsystem in communication with an event bus. In one aspect of the present invention, an administration tool for administering a server has a subsystem in communication with an event bus. The administration tool includes a graphical user interface communications channel and a graphical user interface module corresponding to the server subsystem, wherein the graphical user interface module is in communication with the channel. The administration tool also includes a transport module in communication with the channel and the graphical user interface module. The graphical user interface module transmits an administration command to the corresponding server subsystem by sending the command to the transport module via the communications channel.

Method and apparatus for administering a server having a subsystem in communication with an event channel

Method and apparatus for communicating among a network of servers utilizing a transport mechanism

Method and apparatus for delivering local and remote server events in a similar fashion

A feature of a software application permitting display of a selected non-active cell on a display screen, when the cell is not currently visible in the on-screen window. The user is therefore able to observe the results of certain operations on the contents of the selected cell without scrolling to the location of the cell.

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South Jordan, UT, United States of America

Thomas D Freeman