Compositional programming abstractions for mobile computing

Abstract

Recent advances in wireless networking technology and the increasing demand for ubiquitous, mobile connectivity demonstrate the importance of providing reliable systems for managing reconfiguration and disconnection of components. Design of such systems requires tools and techniques appropriate to the task. Many formal models of computation, including UNITY, are not adequate for expressing reconfiguration and disconnection and are therefore inappropriate vehicles for investigating the impact of mobility on the construction of modular and composable systems. Algebraic formalisms such as the pi-calculus have been proposed for modeling mobility.

Building and Selecting Mobile Agents for Network Management

“…Several papers have explored theoretical models for reasoning about mobile agents, for example, Mobile UNITY [13], Join calculus [8], Ambient calculus [6], Distributed π-calculus [15], and Nomadic π-calculus [22]. Mobile UNITY is an extension of UNITY, which is an existing formal model for specifying distributed systems, with the expressiveness of moving components, including mobile computers and mobile software.…”

Reusable mobile agents for cluster computing

“…Also, there have been some theoretical models developed for specifying mobile agents, for example, Mobile UNITY [7] and Ambient calculus [3]. Mobile UNITY can specify control flows, variable, and conditional assignment statements at programs but cannot extract and reason about the itineraries of mobile components.…”

Graph-Based Models of Internetworking Systems

“…Ambient calculus [12], Klaim [18], and MobileUnity [38] to cite a few. Roughly speaking, locations fully identify the network environment of a component.…”

“…Other foundational models adopt a logical style toward the analysis of mobility. MobileUnity [38] and MobAdtl [22] are program logics specifically designed to specify and reason about mobile systems exploiting a Unity-like proof system. Spatial logic [11,10] allows one to specify properties on both the spatial dimension and the temporal dimension of WAN applications.…”