Abstract
New wireless sensor network applications (e.g., military surveillance) require higher reliability than a simple best effort service could provide. Classical reliable transport protocols like Transmission Control Protocol (TCP) are not well suited for wireless sensor networks due to both the characteristics of the network nodes (low computing power, strong energy constraints) and those of the main applications running on those nodes (low data rates). Recent researches present new transport protocols for wireless sensor networks providing various type of reliability and using new mechanisms for loss detection and recovery, and congestion control. This paper presents a survey on reliable transport protocol for WSNs.
Highlights
Wireless sensor networks (WSNs) [1] have important applications such as remote environment monitoring and target tracking.In monitoring area, a WSN is deployed over a region where some phenomena are to be monitored
Classical reliable transport protocols like Transmission Control Protocol (TCP) are not well suited for wireless sensor networks due to both the characteristics of the network nodes and those of the main applications running on those nodes
This paper presents a survey of reliable transport protocols for WSNs and identifies some challenge’s research
Summary
Wireless sensor networks (WSNs) [1] have important applications such as remote environment monitoring (temperature and humidity) and target tracking (for military purpose). WSN applications are not interested in reliability because WSNs have been considered as fault- tolerant networks where sensor nodes collect environment information and send it to the base station (sink). Intermediate nodes offer their best effort services to relay generated packets to the base station. To distinguish between the two types of losses, an explicit congestion notification is proposed These two mechanisms can be implemented in a distributed form (in sensor nodes) or in a centralized form (in the based station). In centralized protocol (e.g., RCRT [3]), the base station is the only node responsible for the packet loss detection and recovery.
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