Patent №
US 6,918,013
Granted
2005-07-12
Filed 2002
Owner
BEA SYSTEMS, INC.
Lab
—
AI components
1
kr
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
10212382
Servers in a network cluster can each store a copy of a data item in local cache, providing read access to these copies through read-only entity beans. The original data item in the database can be updated through a read/write entity bean one of the cluster servers. That cluster server has access to an invalidation target, which contains identification information relating to copies of the data item stored on servers in the cluster. Once the read/write bean updates the data item in the database, an invalidate request can be sent or multicast to all cluster members, or to any read-only bean or server contained in the invalidation target. Each server or read-only bean receiving the request knows to drop any copy of the data item in local cache, and can request a current copy of the data item from the database.
AI classification
Ownership
BEA SYSTEMS, INC.
assignment · 134610167
Assignors
JACOBS, DEAN BERNARD, WOOLLEN, ROB, WHITE, SETH
On an employer assignment, the assignors are typically the inventors.