Mobile agent middleware for mobile computing

Mobile computing requires an advanced infrastructure that integrates suitable support protocols, mechanisms, and tools. This mobility middleware should dynamically reallocate and trace mobile users and terminals and permit communication and coordination of mobile entities. In addition, open and untr...

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Vydáno v:Computer (Long Beach, Calif.) Ročník 34; číslo 3; s. 73 - 81
Hlavní autoři: Bellavista, P., Corradi, A., Stefanelli, C.
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.03.2001
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Agents (artificial intelligence)
Communication system security
Computation
Cryptography
Distributed computing
Dynamical systems
Dynamics
Infrastructure
Middleware
Mobile agents
Mobile communication
Mobile communications networks
Mobile computing
Proposals
Protocols
Terminals
Virtual environment
ISSN:0018-9162, 1558-0814
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Shrnutí:Mobile computing requires an advanced infrastructure that integrates suitable support protocols, mechanisms, and tools. This mobility middleware should dynamically reallocate and trace mobile users and terminals and permit communication and coordination of mobile entities. In addition, open and untrusted environments must overcome system heterogeneity and grant the appropriate security level. Solutions to these issues require compliance with standards to interoperate with different systems and legacy components and a reliable security infrastructure based on standard cryptographic mechanisms and tools. Many proposals suggest using mobile agent technology middleware to address these issues. A mobile agent moves entities in execution together with code and achieved state, making it possible to upgrade distributed computing environments without suspending service. We propose three mobile computing services: user virtual environment (UVE), mobile virtual terminal (MVT), and virtual resource management (VRM). UVE provides users with a uniform view of their working environments independent of current locations and specific terminals. MVT extends traditional terminal mobility by preserving the terminal execution state for restoration at new locations, including active processes and subscribed services. VRM permits mobile users and terminals to maintain access to resources and services by automatically requalifying the bindings and moving specific resources or services to permit load balancing and replication.
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ISSN:0018-9162
1558-0814
DOI:10.1109/2.910896