Complete Protocol dictionary, glossary and reference

AEP: AppleTalk Echo Protocol

AppleTalk Echo Protocol (AEP) is a transport layer protocol in the AppleTalk protocol suite designed to test the reachability of network nodes. AEP generates packets to be sent to the network node and is identified in the Type field of a packet as an AEP packet. The packet is first passed to the source DDP. After it is identified as an AEP packet, it is forwarded to the node where the packet is examined by the DDP at the destination. After the packet is identified as an AEP packet, the packet is then copied and a field in the packet is altered to create an AEP reply packet, and is then returned to the source node.

Standard Organization

Apple

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