1
Siew Yong Sim Tang: Recovering a database to any point-in-time in the past with guaranteed data consistency. Quest Software, Knobbe Martens Olson & Bear, January 29, 2013: US08364648 (80 worldwide citation)

A data management method wherein a real-time history of a database system is stored as a logical representation and the logical representation is then used for any point-in-time recovery of the database system. More specifically, a method for capturing transaction data, binary data changes, metadata ...


2
Siew Yong Sim Tang: Method and system for automated, no downtime, real-time, continuous data protection. Asempra Technologies, David H Judson, August 22, 2006: US07096392 (58 worldwide citation)

A data management system or “DMS” provides an automated, continuous, real-time, substantially no downtime data protection service to one or more data sources associated with a set of application host servers. To facilitate the data protection service, a host driver embedded in an application server ...


3
Siew Yong Sim Tang, Semen Alexandrovich Ustimenko: Method for lock-free clustered erasure coding and recovery of data across a plurality of data stores in a network. BakBone Software, Winstead PC, March 16, 2010: US07681105 (49 worldwide citation)

The present invention provides a distributed clustering method to allow multiple active instances of consistency management processes that apply the same encoding scheme to be cooperative and function collectively. The techniques described herein facilitate an efficient method to apply an erasure en ...


4
Siew Yong Sim Tang: Method and system for real-time event journaling to provide enterprise data services. Winstead PC, July 21, 2009: US07565661 (49 worldwide citation)

A data management system or “DMS” provides a wide range of data services to data sources associated with a set of application host servers. The data management system typically comprises one or more regions, with each region having one or more clusters. A given cluster has one or more nodes that sha ...


5
Siew Yong Sim Tang, Daniel J Fraisl: System for moving real-time data events across a plurality of devices in a network for simultaneous data protection, replication, and access services. Quest Software, Knobbe Martens Olson & Bear, January 31, 2012: US08108429 (46 worldwide citation)

A data management system or “DMS” provides a wide range of data services to data sources associated with a set of application host servers. The data management system typically comprises one or more regions, with each region having one or more clusters. A given cluster has one or more nodes that sha ...


6
Siew Yong Sim Tang, Semen Alexandrovich Ustimenko: Method for erasure coding data across a plurality of data stores in a network. BakBone Software, Winstead PC, March 16, 2010: US07681104 (40 worldwide citation)

An efficient method to apply an erasure encoding and decoding scheme across dispersed data stores that receive constant updates. A data store is a persistent memory for storing a data block. Such data stores include, without limitation, a group of disks, a group of disk arrays, or the like. An encod ...


7
Siew Yong Sim Tang: Method and system for virtual on-demand recovery for real-time, continuous data protection. BakBone Software, Winstead PC, August 31, 2010: US07788521 (37 worldwide citation)

A data management system or “DMS” provides an automated, continuous, real-time, substantially no downtime data protection service to one or more data sources associated with a set of application host servers. To facilitate the data protection service, a host driver embedded in an application server ...


8
Siew Yong Sim Tang, Semen Alexandrovich Ustimenko: Method for lock-free clustered erasure coding and recovery of data across a plurality of data stores in a network. Quest Software, Knobbe Martens Olson & Bear, November 1, 2011: US08051361 (36 worldwide citation)

The present invention provides a distributed clustering method to allow multiple active instances of consistency management processes that apply the same encoding scheme to be cooperative and function collectively. The techniques described herein facilitate an efficient method to apply an erasure en ...


9
Siew Yong Sim Tang: Recovering a file system to any point-in-time in the past with guaranteed structure, content consistency and integrity. Quest Software, Knobbe Martens Olson & Bear, March 6, 2012: US08131723 (32 worldwide citation)

A data management system (DMS) includes a continuous real-time object store that captures all real-time activities, with associated object metadata information. The DMS is capable of reintroducing any point-in-time view of data ranging from a granular object to an entire file system. A set of algori ...


10
Siew Yong Sim Tang: Method and system for no downtime, initial data upload for real-time, continuous data protection. Asempra Technologies, David H Judson, April 14, 2009: US07519870 (32 worldwide citation)

A data management system or “DMS” provides an automated, continuous, real-time, substantially no downtime data protection service to one or more data sources associated with a set of application host servers. To facilitate the data protection service, a host driver embedded in an application server ...