Ambient-Oriented Exception Handling (DRAFT) ?

Writing ambient-oriented software for mobile devices con- nected through wireless network connections provides a new challenge in the field of exception handling. It involves dealing with issues such as asynchronous communication, moving hardware and software, only to name a few. Building on an analysis of the fundamental dierences between mobile networks and their stationary counterparts, this paper establishes a set of criteria for an ambient-oriented exception handling mechanism. We subsequently present ambient conversations, a novel dis- tributed exception handling mechanism that adheres to the prescribed criteria, and describe its realisation in the ambient-oriented programming language AmbientTalk.

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