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Data Backup Glossary (Letter I)

August 6th, 2011

The Internet Fibre Channel Protocol (iFCP) allows an organization to extend Fibre Channel storage networks over the Internet by using TCP/IP. TCP is responsible for managing congestion control as well as error detection and recovery services. iFCP allows an organization to create an IP SAN fabric that minimizes the Fibre Channel fabric component and maximizes use of the company’s TCP/IP infrastructure.


  • In computer science an image is an exact replica of the contents of a storage device (a hard disk drive or CD-ROM for example) stored on a second storage device.
  • Often used in place of the term digital image, which is an optically formed duplicate or other reproduction of an object formed by a lens or mirror.

Incremental backup
Any backup in which only the data objects that have been modified since the time of some previous backup are copied. Incremental backup is a collective term for cumulative incremental backups and differential incremental backups. Contrast with an archival, or full, backup, in which all files are backed up regardless of whether they have been modified since the last backup.

Information classification and management
Information classification and management (ICM) is a class of application-independent software that use advanced indexing, classification, policy and data access capabilities to automate data management activities above the storage layer.

The combined set of hardware, software, networks, facilities, and other components (including all of the information technology) necessary to develop, test, deliver, monitor, control, or support IT services. Associated people, processes, and documentation are not part of an infrastructure.

Intelligent information management
Intelligent information management (IIM) is a set of processes and underlying technology solutions that enables organizations to understand, organize, and manage all sorts of data types (for example, general files, databases, and e-mails). Key attributes that define an IIM solution include the following:

Interrecord gap
The space between two consecutive physical blocks on a data recording medium, such as a hard drive or a magnetic tape. Interrecord gaps are used as markers for the end of data and also as safety margins for data overwrites. An interrecord gap is also referred to as an interblock gap.

Internet small computer systems interface
Internet small computer systems interface (iSCSI) is a transport protocol that enables the SCSI protocol to be carried over a TCP-based IP network. iSCSI was standardized by the Internet Engineering Task Force and described in RFC 3720.

IP storage
A technology being standardized under the IP Storage (IPS) IETF Working Group. Same as SoIP.

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