To aid in designing and configuring OSPF networks, an ACC router provides configuration flexibility with a small set of commands. Where NBMA networks are in use, the designated router's IP address must also be configured into each router. More complex networks may, at their option, use the area architecture with its ability to summarize link state information, authentication, and other features. It is a protocol designed to be used inside Autonomous Systems it is not designed to route between Autonomous Systems. OSPF is an Interior Gateway Protocol, and is intended to be used within an IP network under common administration, such as a campus, corporate, or regional network.
Schemes range from static tables to proprietary dynamic routing protocols.
RIP, although popular, has many shortcomings. By comparing the similarities and differences between RIP and OSPF we can better understand the strengths and weaknesses of each. This lack of information often results in RIP making sub-optimal routing decisions due to lack of information. The most notable examples are illustrated in remote routing environments where a mix of T1 and fractional T1 links are available.