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Applying the ATAM to an Architecture for Decentralized Contol of a AGV Transportation System

By Nelis Boucké, Danny Weyns, Kurt Schelfthout and Tom Holvoet

Abstract

Abstract. For two years, we have been involved in a challenging project to develop a new architecture for an industrial transportation system. The motivating quality attributes to develop this innovative architecture were flexibility and openness. Taking these quality attributes into account, we proposed a decentralized architecture using multiagent systems (MASs). A MAS consists of multiple autonomous entities that coordinate with each other to achieve decentralized control. The typical advantages attributed to such decentralized architecture are flexibility and openness, the motivating quality attributes to apply MAS in this case. The Architecture Tradeoff Analysis Method (ATAM) was used to provide insights wether our architecture meets the expected flexibility and openness, and to identify tradeoffs with other quality attributes. Applying the ATAM proved to be a valuable experience. One of the main outcome of applying the ATAM was the identification of a tradeoff between flexibility and communication load that results from the use of a decentralized architecture. This paper describes our experiences in applying the ATAM to a MAS architecture, containing both the main outcomes of the evaluation and a critical reflection on the ATAM itself.

Topics: nelis.boucke, danny.weyns, kurt.schelfthout
Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.183.2490
Provided by: CiteSeerX
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