Phd paper writing service in low power and lossy (RPL) networks in mobility
Improving routing protocol for low power and lossy (RPL) networks in mobility
- The existing protocol for low power and lossy networks has limitations and does not pay satisfactory attention to mobile nodes. The existing RPL could not adjust with the dynamic fluctuations in mobile applications. Hence a new method is proposed to provide continuous connectivity for mobile nodes along with the reduction of network overhead and energy consumption.
- RPL uses four ICMPv6 type control packets to exchange routing information. They are DODAG (Destination Oriented Directed Acyclic Graphs) information object (DIO), Destination advertisement object (DAO), DODAG information solicitation (DIS), DAO acknowledgement (DAO-ACK).In the proposed method, the parent node checks the communication link via additional fields in control packets. Also, the parent node informs the mobile node when the link becomes weak, which makes the mobile node to consume less energy thereby reducing network overhead and provide seamless connectivity.
- RPL routing protocol used in large scale networks of IoT applications has certain limitations.
- Communication links are not stable and reliable which affects the quality of service.
- Achieving a high QoS is harder in the existing protocol.
- Devices are static since mobility is not the predominant requirement of RPL.
- Delivers continuous connectivity for mobile nodes.
- Uses a different number of metrics and timers to find the best parent.
- Prevents congestion since the timers maintain connectivity when a mobile node leaves the communication range.
- Improves efficiency of factors such as Packet Delivery ratio, throughput, end to end delay, energy consumption.
- Makes the energy-constrained devices to survive long in the networkutilizing the energy-efficient algorithm when compared to the previous mRPL algorithms.
- Enables easy implementation in real-world because the proposed protocol complies with the RPL protocol.
The proposed protocol consists of three steps which are given below:
Step 1: Mobile node transfers the data to the parent node which measures Average Received Signal Strength Indicator (ARSSI). It also informs the mobile node to enter the next step whenever mobility is detected by the parent node.
Fig: Proposed protocol steps
Step 2: Mobile node should choose the proper parent to transfer data and allot a new route.
Step 3: Mobile node updates the routes in the routing table.
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