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Performance of MAP in the Remote Operation of a CNC
February 1990 (vol. 16 no. 2)
pp. 231-237

A major issue for the users of the Manufacturing Automation Protocol (MAP) is its performance in servicing time-critical applications. The author describes an experiment in which a computerized numerical controller (CNC) is remotely operated using MAP. A set of critical timing parameters is defined, a performance analysis of the system from the user's point of view is carried out, and a comparison with other similar systems is made. The transfer time between two front-end processors, implementing the seven MAP layers, for a 100-byte-long message is found to be about 18 ms, and the transfer time for the same message between two user processes on the hosts is about 40 ms.

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[5] M. V. Marathe and R. A. Smith, "Performance of a MAP network adapter,"IEEE Network, vol. 2, no. 3, May 1988.
[6] MicroMap Host Resident User's Manual Release 1.0, Motorola Corp., MVMEMAPIF/D1, Dec. 1986.
[7] MAP Specification--Version 2.1, General Motors Corp., Mar. 1985.
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Index Terms:
MAP performance analysis; remote operation; Manufacturing Automation Protocol; servicing time-critical applications; computerized numerical controller; CNC; critical timing parameters; transfer time; front-end processors; computerised numerical control; program testing; protocols.
Citation:
B. Mortazavi, "Performance of MAP in the Remote Operation of a CNC," IEEE Transactions on Software Engineering, vol. 16, no. 2, pp. 231-237, Feb. 1990, doi:10.1109/32.44386
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