Open Shortest Path First

What is Open Shortest Path First (OSPF)

Definition and meaning of Open Shortest Path First

Open Shortest Path First (OSPF) is a link country Routing Protocol (LSRP) that uses the Shortest Path First (SPF) commUnity verbal excHange Algorithm (Dijkstra’s algorithm) to calculate the shortest connection route between recognised gadgets.

What Does Open Shortest Path First Mean?

OSPF bis an Interior Gateway Protocol (IGP) that routes Internet Protocol (IP) Packets inside a unmarried Routing commuNity Domain most effective. OSPF finds the first-rate community Format (Topology) by calculating shortest tool connection paths the usage of the Shortest Path First (SPF) algorithm.

For example, someone in city A wants to journey to Metropolis M and is given two options:

• Travel through cities B and C. The path would be ABCM. And the gap (or Bandwidth price within the Networking case) for A-B is 10 miles, B-C is five miles and C-M is 10 miles.
• Travel through metropolis F. The path could be AFM. And the gap for A-F is 20 miles and F-M is 10 miles.

The shortest path is continually the only with least quantity of distance included in general. Thus, the ABCM course is the higher choice (10 5 10=25), even though the person has to travel to 2 towns because the associated overall value to journey to the vacation spot is less than the second one alternative with a unmarried metropolis (20 10=30). OSPF plays a comparable set of rules by way of first calculating the shortest route between the source and destination primarily based on link bandwidth price and then allows the community to ship and acquire IP packets through the shortest course.

What does OSPF stand for?

When we refer to OSPF as an acronym of Open Shortest Path First, we mean that OSPF is formed by taking the initial letters of each significant word in Open Shortest Path First. This process condenses the original phrase into a shorter, more manageable form while retaining its essential meaning. According to this definition, OSPF stands for Open Shortest Path First.

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