Multi-area OSPF Network Design Considerations

K. Shuaib, F. Sallabi (UAE), and A. Brooks (USA)


: OSPF, Network Design, Performance


The explosive growth of IP based networks has placed the focus on the scalability of the Interior Gateway Protocols such as OSPF. Many current ISP networks are designed as a single large OSPF area and approaching their design limitations. This paper focuses on certain network design considerations that apply generically to Multi-area OSPF. Certain testing methodologies of Multi-area OSPF are also addressed to emphasize the importance of a network topology as it relates to network reliability. This paper shows how the proper and careful design of a network is the key in reducing the occurrence of any pitfalls and therefore, achieving network stability.

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