Internal Routing Protocol Research Articles

A Comparative Study by Simulation of OSPF and EIGRP Routing Protocols

Computer networks are based on technology that provides the technical infrastructure where routing protocols are used to transmit packets over the Internet. Routing protocols define how routers communicate with each other by distributing information. They are used to describe how routers communicate with each other, learn available routes, build routing tables, make routing decisions, and share information between neighbors. The main purpose of routing protocols is to determine the best route from source to destination. A particular case of a routing protocol operating within an autonomous system is called an internal routing protocol (IGP – Interior Gateway Protocol). The article analyzes the problem of correctly choosing a routing protocol. Open Shortest Path First (OSPF) and Enhanced Interior Gateway Routing Protocol (EIGRP) are considered leading routing protocols for real-time applications. For this they are chosen to be studied. The main objective of the study is to compare the proposed routing protocols and to evaluate them based on different performance indicators. This assessment is carried out theoretically – by analyzing their characteristics and action, and practically – through simulation experiments. After the study of the literature, the simulation scenarios and quantitative indicators by which the performance of the protocols is compared are defined. First, a network model with OSPF is designed and simulated using the OPNET Modeler simulator. Second, EIGRP is implemented in the same network scenario and a new simulation is done. The implementation of the scenarios shall collect the necessary results and analyze the operation of the two protocols. The data shall be derived and an assessment and conclusion shall be made against the defined quantitative indicators.

Performance Comparison of OSPFV3 and EIGRP with IPv6 Network

A collection of interconnected devices that deal with communication protocols that are common to share resources provided by nodes of a network over digital interconnections is a computer network. The process of determining the most efficient route from a source to a given target is called routing. Cisco's Enriched Internal Routing Gateway Protocol for IPv6 and the IETF's OSPFv3 (First Version 3 of Open Shortest Path) are two of the most frequently studied IPv6 routing protocols among researchers (EIGRPv6). As a result of the popularity of EIGRPv6 and OSPFv3, it is necessary to undertake a thorough contrast of the two protocols once working inside a minor enterprise network on IPv6. Thus, the study analysed the performance comparison of OSPFV3 and EIGRP with IPv6 networks with regards to convergence time, end-to-end delay, and packet loss. Packet Tracer 6.2.2 was used to compare the performance of routing protocols of different kinds. In the simulation, Cisco routers, switches, and generic computers were employed in the test. In these topologies, standard IPv6 addresses have been used. The findings of the study revealed that EIGRPv6 outperforms OSPFv3. As a result, we advocate using EIGRPv6 as an internal routing protocol in a network of IPv6.

Study on the Impact of Big Data Traffic Caused by the Unstable Routing Protocol

Thousands of CPUs and storages are required for the analysis of scientific peta-byte scale data. The network interfaces of these systems are connected on a data center network for cluster computing and Grid computing for high throughput. Therefore, routing configuration of these network interfaces is usually set by internal routing protocols and set by having the only single gateway as a last resort or a default routing path. This style of routing configuration is the most typical configuration of routing protocols for the network of the legacy data center. And, as the volume of data is getting dramatically increasing due to the popularization of big data services, data center rapidly grow to have hundreds of thousands servers. Therefore, real routing path frequently changes by the fault of network devices or systems in large-scale data center environment even though data center networks works well apparently. The inefficiency of this kind of routing scheme caused by the instability of the internal routing protocol begins to appear as a considerable problem in big data center network management lately. In this paper, we showed the serious decrease of the throughput due to very short flapping time of the internal routing protocol by NS2 simulation.