RFC 1221:Host Access Protocol (HAP) Specification ...
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... The Host Access Protocol (HAP) is a network layer protocol (as is X.25). ("Network ...
... X.25). ("Network layer" here means ISO layer 3 lower, the protocol ...
... Network layer" here means ISO layer 3 lower, the protocol layer below the DoD Internet Protocol ...
... ISO layer 3 lower, the protocol layer below the DoD Internet Protocol (IP) layer ...
... layer below the DoD Internet Protocol (IP) layer [3] and above any link layer ...
... layer [3] and above any link layer protocol.) HAP defines the different types of host-to- network ...


... host's access link is required, it must be provided by the link layer protocol below HAP. (Use of link layer protocols for this purpose is not within the scope of this document.) HAP's flow ...
... access link is required, it must be provided by the link layer protocol below HAP. (Use of link layer protocols for this purpose is not within the scope of this document.) HAP's flow ...
... reliability traffic. It is expected that link layer error control procedures (such as HDLC with retransmission ...
... HDLC with retransmission) will be used for this purpose, but use of a reliable link layer protocol is not within the scope of this document. ...



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