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AIX Version 4.3 Communications Programming Concepts

DLCTOKEN Device Manager Functions

The token-ring data link control (DLCTOKEN) 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 token-ring adapter and the DLCTOKEN device handler perform the following MAC functions:

DLCTOKEN performs additional MAC functions, such as:

DLCTOKEN is also responsible for all LLC functions:


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