International Journal For Multidisciplinary Research

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A Comparative Performance Evaluation of OSPF and IS-IS for Enterprise and Service Provider Networks

Author(s) Nikhil Bhagat
Country USA
Abstract Open Shortest Path First (OSPF) and Intermediate System to Intermediate System (IS-IS) are two core link-state routing protocols of current computer networks. The paper offers an in-depth comparison of these protocols, covering their features, benefits and drawbacks in both enterprise and service provider networks. OSPF, which works with IP networks, has become an accepted enterprise network solution that is capable of being deployed with ease and efficiency in small, well-designed networks. Yet its viability in large and complex service provider networks can be hindered by scalability issues. Meanwhile, IS-IS, developed for International Organization for Standardization (ISO) Connectionless Network Protocol, is popular among service providers because of its scalability and ease of deployment, specifically for large deployments. It also goes over the history of both protocols, their differences in their behavior, and the use cases where each performs best. Finally, the decision of using OSPF or IS-IS comes from network’s size, complexity and required performance. The analysis can help network architects determine which protocol should be used for which network infrastructures.
Keywords OSPF, IS-IS, LSAs, LSPs, Enterprise networks, Service Provider networks.
Published In Volume 2, Issue 5, September-October 2020
Published On 2020-10-21
Cite This A Comparative Performance Evaluation of OSPF and IS-IS for Enterprise and Service Provider Networks - Nikhil Bhagat - IJFMR Volume 2, Issue 5, September-October 2020. DOI 10.36948/ijfmr.2020.v02i05.11550
DOI https://doi.org/10.36948/ijfmr.2020.v02i05.11550
Short DOI https://doi.org/g8qqb9
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