address resolution protocol (ARP) A TCP/IP protocol defined in the IETF (Internet Engineering Task Force) standard RFC 826. The purpose of ARP is to resolve logical IP addresses to physical MAC addresses. ARP falls under the Link Layer of the TCP/IP protocol stack and the Data Link Layer of the OSI (Open Systems Interconnection) model.

application security Any encryption or security measures performed at the Application Layer of the OSI model.

attack vector The means by which a malicious program or unauthorized user gains access to a system.

Audio Video Bridging (AVB) A suite of standards in development by an IEEE 802.1 task force to provide time-synchronized, low-latency streaming services.

automatic private IP addressing (APIPA)

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