André A.S. Danthine
Abstract
In a distributed computers network based on a packet-swltched communication subnet, it is possible to describe the system as a hierarchical structure. We will consider here only three levels:
-level 0: communication between nodes of the subnets.
-level 1: communication between hosts connected to the net.
-level 2: communication between users processes (subscribers) in different hosts.
At each level, the communication is based on a protocol and the data structures to be exchanged are different. For instance the data structure exchanged at level 2 may be a sequential file. As there is no direct support of communication at this level, it is through the mechanisms of level 1 and 0 that the transfer will take place with data structure at each level not directly related to the upper level one. The complete definition of the system will therefore required not only the level 0, 1 and 2 protocols, but also inter-level protocols.
In the following, we will concentrate on the level 1 protocol. It is the basic communication protocol of a network since it will be used by user processes in different hosts and it will use the subnet as a communication support. This level 1 entity is called a “TS” (transport station) in CYCLADES [13] and a “TCP” (transmission control program] in [2].
- 1 AKKOYUNLU E., BERNSTEIN A., SCHANTZ R., Interprocess communication facilities for network operating systems, Computer, June 1974, p. 46-55.Google Scholar
- 2 CERF V.G., KAHN R., A protocol for packet network intercommunication, IEEE Trans. on Commun., May 1974, p. 637-648.Google ScholarCross Ref
- 3 DANTHINE A., BREMER J., Définition, représentation et simulation de protocoles dans un contexte réseaux, Journ. Intern. Mini-ordinateurs et Transm. de données, AIM, Liège, Janvier 1975.Google Scholar
- 4 DANTHINE A., ESCHENAUER E., Influence du protocole noeud-noeud d'un réseau à commutation de paquets sur les performances du noeud, Journ. Intern. Mini-ordinateurs et Transm. de données, AIM, Liège, Janvier 1975.Google Scholar
- 5 DIJKSTRA E.W., The structure of the "THE" multiprogramming system, Comm. of ACM, vol. 11, No. 5, May 1968. Google ScholarDigital Library
- 6 LE MOLI G., A theory of colloquies, First European Workshop on Computer Networks ARLES, April-May 1973, p. 153-173.Google Scholar
- 7 METCALFE R.M., Strategies for interprocess communication in a distributed computing system, Symp. on Comp. Comm. Networks and Tele-traffic, Polytech. Inst. Brooklyn, April 1972, p. 519-526.Google Scholar
- 8 MEZZALIRA L., SCHREIBER F.A., Designing colloquies, First European Workshop on Computer Networks ARLES, April-May 1973, p. 351-363.Google Scholar
- 9 POSTEL J., Official initial connection protocol, NIC7108, June 1971.Google Scholar
- 10 POSTEL J.B., A graph model analysis of computer communications protocols, UCLA-ENG 7410, January 1974, 184 p.Google Scholar
- 11 VINCIOTTI J., Sur l'utilisation des principes de programmation structurée pour la description des protocoles, CTN-EIA (7408/21/N.T.), Février 1974.Google Scholar
- 12 WALDEN D.C., A system for inter-process communication in a resource sharing computer network, Comm. of ACM, vol. 15, No. 4, April 1972, p. 221-230. Google ScholarDigital Library
- 13 ZIMMERMANN H., ELIE M., Transport protocol. Standard host-host protocol for heterogenous computer networks, Réseaux Cyclades (SCH 519.1), Avril 1974.Google Scholar
Index Terms
- Communication protocols in a network context
Recommendations
Communication protocols in a network context
Proceedings of the 1975 ACM SIGCOMM/SIGOPS workshop on Interprocess communicationsIn a distributed computers network based on a packet-swltched communication subnet, it is possible to describe the system as a hierarchical structure. We will consider here only three levels:
-level 0: communication between nodes of the subnets.
-level ...
Comments