Abstract- RFID middleware technology gains great attention
recently due to its competitive business value. Due to the
automatic identification and collection of information, RFID
systems have been applied to various applications fields. Load
balancing is a critical factor to provide a steady and fluent
working environment for RFID middlewares. In this paper, we
exploit the issues of load balancing for RFID middlewares,
discuss load balancing policies which are compliant to RFID
middlewares and propose a mobile agent based approach for
RFID middleware for load balancing. A mobile agent, RFID
Load Balancing Agent (RLBA, for short) is proposed to gather
global and local workload information for RFID middlewares
and execute load balancing strategy. According to the load
balancing policies, RLBA is composed of six components: Load
Collector, Load Monitor, Balancing Trigger, Middleware
Chooser, Reader Chooser, and Reader Reallocator. We also give
the agent architecture and detailed design for RLBA. Mobile
agent provides a decentralized and scalable approach for RFID
middlewares to load balancing, which can enhance system
availability and extensibility.
Keywords-Mobile agent, load balancing, RFID Middleware.







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