Information Storage and Management: Storing, Managing, and Protecting Digital Information in Classic, Virtualized, and Cloud Environments, Second Edition

Glossary

8b/10b encoding — An algorithm that converts 8-bit data into 10-bit transmission characters.

64b/66b encoding — An algorithm that converts 64-bit data into 66-bit transmission characters.

Access control — Services to regulate user access to resources.

Access Control List (ACL) — A list of permissions that specifies who can access a resource and with what privileges.

Accessibility — Capability to access required information at the right place by the authorized user.

Accountability services — A service that enables administrators to track activities performed on a system and link them back to individuals in such a way that there is little possibility for individuals to deny responsibility for their activities.

Active archive — Category of data that is not likely to change or cannot be changed—often referred to as fixed content data.

Active attack — Unauthorized alteration of information that may pose a threat to data integrity and availability.

Active changeable — A category of data that is subject to change and can be changed is referred to as “changeable” data.

Active Directory (AD) — Microsoft implementation used to provide central authentication and authorization services.

Active path — A path currently available and actively used for I/O transmission.

Active/active — An architecture designed for high availability in which all the components are active and available to perform a task if another component fails.

Active/passive — An architecture designed for high availability ...