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A Performance Study of the ISO Transport Protocol
March 1991 (vol. 40 no. 3)
pp. 253-262

The performance of different implementations of the ISO transport protocol class 4 on top of a connectionless link-layer protocol in the presence of transmission errors is studied by means of simulation. A main goal of the study is to find robust protocol versions yielding good performance for all possible combinations of implementations. The performance measure investigated is the throughput that can be achieved in transferring files between two stations over a local area or long-distance network. The results are compared to those obtained for the ISO transport protocol class 2 on top of a connection-oriented link-layer protocol. It is assumed that data and acknowledgement frames could be lost or corrupted by transmission errors. The results show that, at the sender side, retransmit all always yields higher performance than retransmit first, and, at the receiver side, store results in higher performance than discard.

[1] B. Meister, P. Janson, and L. Svobodova, "Connection-oriented versus connectionless protocols: A performance study,"IEEE Trans. Comput., vol. C-34, pp. 1164-1173, 1985.
[2] OSI Transport Service Definition, Standard ISO-8072.
[3] Addendum Connectionless Mode Transmission, Standard ISO- 8072/AD1.
[4] OSI Transport Protocol Specification, Standard ISO-8073.
[5] OSI Addendum to Enable Class 4 Operation Over Connectionless Mode Network Service, Standard ISO-8073/AD2.
[6] R. Colella, R. Aronoff, and K. Mills, "Performance improvements for ISO transport," inProc. Ninth Data Commun. Symp., Whistler Mountain, B.C., Canada, 1985, pp. 9-16.
[7] Logical Link Control, ANSI/IEEE Standard 802.2-1985 and ISO Draft International Standard 8802/2.
[8] W. Bux, K. Kümmerle, and H. L. Truong, "Balanced HDLC procedures: A performance analysis,"IEEE Trans. Commun., vol. COM- 28, pp. 1889-1898, 1980.

Index Terms:
file transfer; local area network; data frames; performance study; ISO transport protocol class 4; connectionless link-layer protocol; transmission errors; simulation; robust protocol versions; performance measure; throughput; long-distance network; ISO transport protocol class 2; connection-oriented link-layer protocol; acknowledgement frames; retransmit all; retransmit first; performance evaluation; protocols; standards.
Citation:
B.W. Meister, "A Performance Study of the ISO Transport Protocol," IEEE Transactions on Computers, vol. 40, no. 3, pp. 253-262, March 1991, doi:10.1109/12.76402
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