ABR


Short for available bit rate, or Class C quality of service, an ATM bandwidth-allocation service that adjusts the amount of bandwidth based on the amount of traffic in the network. ABR service provides a guaranteed minimum bandwidth capacity but allows data to be bursted at higher capacities when the network is free.

Compare with CBR, UBR and VBR.

Read Also:

  • ABS

    Short for automatic backup system.

  • ACAP

    Short of Application Configuration Access Protocol, an e-mail protocol being developed by the IETF to complement IMAP4. ACAP supports related e-mail services such as subscribing to bulletin boards, and organizing and searching mailboxes and address books. ACAP was previously known as IMSP (Interactive Mail Support Protocol).

  • ACD

    Short for Automatic Call Distributor, a telephone facility that handles incoming calls and manages them based on a database of handling instructions.

  • ACHA

    ) Short for Accelerated Hub Architecture (also called Intel Hub Architecture), Intel introduced this hub architecture starting with the 820 chipset. The hub architecture divides control between a memory controller hub (MCH) that supports memory and AGP and an I/O controller hub (ICH) that supports PCI, USB, sound, IDE and LAN. The word hub in […]

  • ACID

    ACID is the acronym used to describe the four properties of an enterprise-level transaction : ATOMICITY: a transaction should be done or undone completely. In the event of a failure, all operations and procedures should be undone, and all data should rollback to its previous state. CONSISTENCY: a transaction should transform a system from one […]


Disclaimer: ABR definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.