Inventor
SHAHEEN AMAL AHMED
US17 patents
Patents
17 patentsUS6338092B1Jan 8, 2002
Method, system and computer program for replicating data in a distributed computed environment
IBM164 citations98
US6032227AFeb 29, 2000
System and method for cache management in mobile user file systems
IBM151 citations98
US6748381B1Jun 8, 2004
Apparatus and method for maintaining consistency of shared data resources in a cluster environment
IBM80 citations97
US5893920AApr 13, 1999
System and method for cache management in mobile user file systems
IBM99 citations97
US6363495B1Mar 26, 2002
Method and apparatus for partition resolution in clustered computer systems
IBM180 citations96
US6335937B1Jan 1, 2002
Node failure recovery in a hub and spoke data replication mechanism
IBM64 citations96
US6052785AApr 18, 2000
Multiple remote data access security mechanism for multitiered internet computer networks
IBM597 citations96
US6823457B1Nov 23, 2004
Method and system for verifying control accesses between a device on a non-proprietary bus and a device on a proprietary bus
IBM60 citations95
US6119151ASep 12, 2000
System and method for efficient cache management in a distributed file system
IBM225 citations94
US6549972B1Apr 15, 2003
Method and system for providing control accesses between a device on a non-proprietary bus and a device on a proprietary bus
IBM37 citations92
US6529960B2Mar 4, 2003
Method and system for replicating data in a distributed computer environment
IBM29 citations92
US6587860B1Jul 1, 2003
Apparatus and method for tracking access to data resources in a cluster environment
IBM37 citations89
US7756830B1Jul 13, 2010
Error detection protocol
IBM14 citations79
US7519181B2Apr 14, 2009
System and method for enforcing network cluster proximity requirements using a proxy
IBM13 citations77
US7412063B2Aug 12, 2008
Controlling delivery of broadcast encryption content for a network cluster from a content server outside the cluster
IBM8 citations69
US7613303B2Nov 3, 2009
Controlling delivery of broadcast encryption content for a network cluster from a content server outside the cluster
IBM4 citations58
US7864953B2Jan 4, 2011
Adding an additional level of indirection to title key encryption
IBM0 citations40