Abstract
The sprawling nature of Internet of Things (IoT) sensors require the comprehensive management and reliability of the entire network. Modern Internet Protocol (IP) networks demand specific qualitative and quantitative parameters that need to be met. One of these requirements is the minimal packet loss in the network. After a node or link failure within the network, the process of network convergence will begin. This process may take an unpredictable time, mostly depending on the size and the structure of the affected network segment and the routing protocol used within the network. The categories of proposed solutions for these problems are known as Fast ReRoute (FRR) mechanisms. The majority of current Fast ReRoute mechanisms use precomputation of alternative backup paths in advance. This paper presents an Enhanced Multicast Repair (EM-REP) FRR mechanism that uses multicast technology to create an alternate backup path and does not require pre-calculation. This principle creates a unique reactive behavior in the Fast ReRoute area. The enhanced M-REP FRR mechanism can find an alternative path in the event of multiple links or nodes failing at different times and places in the network. This unique behavior can be applied in the IoT sensors area, especially in network architecture that guarantees reliability of data transfer.
Highlights
The Internet of Things (IoT) model allows the connection and exchange of data between various types of smart devices
The main advantage of the Multicast Repair (M-REP) IPFRR mechanism is that the algorithm does not depend on precomputations and even on the unicast routing protocol used
Respecting these properties, we may argue that the M-REP IPFRR mechanism is unique compared to the analyzed ones, as well as other existing IPFRR solutions
Summary
The Internet of Things (IoT) model allows the connection and exchange of data between various types of smart devices. IP networks have evolved into converged platforms supporting several different types of services, including time-consuming and real-time applications such as voice transmission over IP, Internet of Things platform, sensors, streaming and multimedia services [7,8]. In case of network failures, network routing protocols (IGP), such as Open Shortest Path First (OSPF), respond to network failures by flooding topology updates and calculating new routes [7,8,9,10,11] This process is known as the network convergence. EM-REP is capable of finding an alternative path even in the case of multiple network failures These features make EM-REP a unique IPFRR mechanism which can be used in IoT architecture providing reliable connection for various types of sensor networks.
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