Patent ID: 6854021
Filing Date: 2005-02-08
Classification: G06F,H04L

Abstract:
1. In a data processing system having multiple logical partitions, a method of sending data from a first logical partition to a second logical partition comprising: establishing a send queue in the first logical partition; establishing a receive queue in the second logical partition; registering the send queue in a lookup table available to all of the logical partitions; registering the receive queue in said lookup table; and executing a send from the first logical partition which interrogates the lookup table to locate said send queue and said receive queue and sends the data in the send queue in the first logical partition to the receive queue in the second logical partition, wherein input/output (I/O) operations for each logical partition is conducted via a subchannel associated with each logical partition, each logical partition having an identification, and the send queue is registered in said lookup table using the logical partition identification and subchannel number as a key.