The ever-growing volume and value of data has raised increasing pressure for long-term data protection in storage systems. Moreover, the redundancy in data further aggravates such pressure in these systems. It has become a serious problem to protect data while eliminating data redundancy, saving storage space and network bandwidth as well. Data deduplication techniques greatly optimize storage ...

In a remote backup system, transaction processing takes place at the primary and the log records generated at the primary are propagated to the remote backup which uses them to reconstruct a recent state of the database at the primary. In the event of a primary failure, the backup system takes over transaction processing without causing users to observe a breach in service. Existing remote back...

Voltage source converters (VSCs) are highly vulnerable to DC fault current; thus, protection is one of the most important concerns associated with the implementation of multi-terminal VSC-based DC networks. This paper proposes a protection strategy for medium voltage DC (MVDC) distribution systems. The strategy consists of a communication-assisted fault location method and a fault isolation sch...

In MPLS networks, failure resilience of a Label Switched Path (LSP) is essential in guaranteeing the QoS of the path. This can be achieved by allocating backup LSPs through which packets can be routed in case of primary LSP failiures. bandwidth efficiency and expeditious path restoration are two desirable features for the design of backup LSPs. This paper tackles the bandwidth efficiency with a...

We consider a network of computers consisting of file servers and a Database Management System (DBMS) where a linkage is maintained, with referential integrity, between data in the DBMS and files in the file servers which are external to the DBMS. We present algorithms for performing backup and recovery of the DBMS data in a coordinated fashion with the files on the file servers. When a file is...