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AIX Version 4.3 Communications Programming Concepts

DLC8023 Device Manager Functions

The IEEE 802.3 Ethernet data link control (DLC8023) device manager and transport medium use two functional layers, medium access control (MAC) and logical link control (LLC), to maintain reliable link-level connections, guarantee data integrity, and negotiate exchanges of identification. Both connectionless (Type 1) and connection-oriented (Type 2) services are supported.

The Ethernet adapter and DLC8023 device handler can perform the following MAC functions:

The DLC8023 device manager can also perform the following LLC functions:

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