Date: 14 Mar 2003

Micro Protocol Design: The SNMP Case Study1

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Today, reuse in software engineering is usually supported by component libraries, such as Java packages. Components are self-contained, ready-to-use building blocks, which are selected and composed. They are usually associated with the implementation phase, a result of practical experience rather than of existing limitations. In this paper, we shed some new light on the concept of components from the protocol engineering point of view. In particular, we describe a conceptual framework for the protocol design phase, and introduce a specific type of protocol design components called micro protocols. We then instantiate and apply this framework to a subset of SNMP, the Simple Network Management Protocol, using SDL as design language.

This work has been supported by the Deutsche Forschungsgemeinschaft (DFG) as part of Sonderforschungsbereich (SFB) 501, Development of Large Systems with Generic Methods.