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| Protocol | Strengths | Weaknesses |
|
| EARQ: energy aware routing for real time and reliable communication in wireless industrial sensor networks [15] | Provides reliability, reduced delay, and energy efficiency | (i) Requires global accurate positioning information to perform the routing
(ii) Results in control message overhead and does not consider the buffer size limitation of the sensor nodes |
|
| A reliable routing protocol based on deterministic schedule for wireless industrial networks [14] | Provides reliability, energy saving, low complexity, and data aggregation | (i) Results in data redundancy
(ii) Does not consider delay
(iii) Does not motion how to measure routing metrics and does not consider the buffer size limitation of the sensor nodes |
|
| A reliable and energy efficient routing protocol [16] | Provides reliability and reduces the number of control packets | Uses a single path for routing the data packets and does not consider the inherent characteristics of sensor nodes, which are energy and buffer size limitations |
|
| A lightweight routing protocol for industrial wireless sensor and actuator networks [18] | (i) Provides reliability, low latency, and low complexity
(ii) No duplicates and no outdated data packets
(iii) Guaranteeing packet progress towards the sink | (i) Requires accurate positioning information to perform the routing tasks
(ii) Not energy efficient and does not consider the buffer size limitations |
|
| InRout: A QoS aware route selection algorithm for industrial wireless sensor networks [13] | (i) Provides reliability, low latency and service differentiation
(ii) Considers energy and buffer limitations adaptive to any multipath routing protocol | (i) This algorithm does not adopt an effective method for delay calculating; it only considers the minimum number of hops towards the destination
(ii) Needs some time to converge |
|
| POCTP: Pareto optimal collection tree protocol for industrial monitoring WSNs [20] | Provides reliability and low latency | (i) Results on control messages overhead
(ii) Does not consider energy and buffer size limitations |
|
| Enhancing real time delivery of gradient routing for industrial wireless sensor networks [21] | Provides real time performance and energy efficiency | (i) Use a single path for routing data packets
(ii) Does not consider reliability that must be taken into consideration in Industrial Wireless Sensor Networks and does not consider the buffer size limitation |
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