- Advanced Technology Attachment (ATA)
The block-level protocol historically used in laptops, desktops, and low-end server platforms. See also direct attached storage (DAS).
- anti-replay protection
A security service that detects the arrival of duplicate packets within a given window of packets or a bounded timeframe.
- anycast
An IP routing feature that supports regionalized duplication of IP addresses; facilitates efficient location of globally distributed services.
- Application Specific Integrated Circuit (ASIC)
An integrated circuit that performs a specific function.
- asynchronous replication
A method of replicating data across long distances in which the states of the source and target disk images may be significantly out of sync at any point in time.
- ATA Packet Interface (ATAPI)
An enhancement to the ATA protocol that enables support for device types other than magnetic disk.
- Autonomous System (AS)
An administrative domain in which a common policy set is used for the configuration of routing protocols.
- auto-sensing
The ability to detect the transmission rate of an attached Ethernet port; a subset of the auto-negotiation features supported by Ethernet.
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