Networks

Example of a Memo Regarding RIP and OSPF

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This is an example of a memo one could send to a potential client interested in what RIP and OSPF are and how they can help their company.
Memo

To:

John Smith, CEO

From:

William Donaldson

Date:

10/16/2017

Re:

RIP/OSPF Information

 

Hello Sir,
            As requested, I have comprised the following information regarding what RIP (Routing Information Protocol) and OSPF (Open Shortest Path First) routing is and how you can use it at your company. Both RIP and OSPF are Interior Gateway Protocols that aid networks of all sizes to automate route distribution. Typically, RIP is used by networks of a smaller size, while OSPF is used for larger ones; although, the size of the network isn’t the only deciding factor in determining which protocol you should use. Network speed, network size and structure, complexity, and interoperability requirements should all be reviewed.
RIP, a Distance Vector protocol, bases routing metrics on hop counts. OSPF, a Link State protocol, achieves this by dividing its reference bandwidth by the speed of the interface. While RIP is easy to program, it has numerous disadvantages compared to OSPF. RIP sends out periodic routing protocols every 30 seconds which consumes bandwidth, uses the Bellman-Ford Distance Vector algorithm when deciding on the best path, supports IP and IPX routing, and has a maximum hop count of only 15. RIP also has a high recovery time when network topology changes.
OSPF, developed by the IETF (Internet Engineering Task Force) is vendor independent and is the most commonly used routing protocol used today. OSPF has the highest performance, is classless, provides the shortest path routing, and also features quick rerouting. However, OSPF does demand higher processing and memory resources than RIP. While both RIP and OSPF have their own unique advantages and disadvantages, OSPF is generally favored as it is much more advanced. OSPF offers faster convergence, supports VLSM, is not limited to 15 hops like RIP, and uses the cost metric when determining best routes.
By using RIP, routers will periodically exchange their entire tables to create a more efficient network. RIP routing offers increased stability and performance as it can avoid loops and considers the amount of time it takes to get to a node. This ensures that data is sent to its destination in the most efficient manner possible. An example of how to configure OSPF on a Cisco router so that it forms a neighbor adjacency would be to first identify the network interfaces which will run OSPF, then identify the OSPF area. Next, you must issue the required commands to enable OSPF. Setting up and managing OSPF is a simple and straightforward process and can benefit your company greatly. If you have any more questions regarding OSPF or RIP, please feel free to contact me at Will@Techworld.com.
William Donaldson, IT Lead, Tech World.

 

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