18 December 2021

OSPF vs BGP | Difference between OSPF and BGP

BGP and OSPF are two popular routing protocols. The excels at dynamic routing in a large network, and OSPF provides more efficient path choice and faster convergence. So here this article gives the difference between OSPF and BGP to better understand this topic.

What is OSPF?

The OSPF is an open shortest path first protocol is a type of internal gateway protocol. The interior gateway protocol working group was formed in order to create an IGP based on the shortest path first algorithms for use in internet protocol networks. It makes use of link-state routing. The OSPF protocol was developed in response to the limitations of the RIP protocol, which had limited capability of serving large heterogeneous internetworks. OSPF is a state routing protocol that can work within a hierarchy. The autonomous system is the highest level and the largest entity in the hierarchy. OSPF makes a call to the routers in the hierarchical area to send link state advertisements.

Related terms: HDLC Vs PPP

What is BGP?

The BGP stands for border gateway protocol is an external gateway protocol used to exchange internet routing information. The BGP could connect any internetwork of autonomous systems by using an arbitrary topology. It simply necessitates that each autonomous system has at least one router capable of running BGP, which must connect to at least one other autonomous system.

Related Article: Difference Between HDLC and SDLC

OSPF vs BGP | Difference between OSPF and BGP:

  • OSPF stands for open shortest path first, while the BGP stands for border gateway protocol.
  • OSPF is the implementation of OSPF is easy, while the BGP is implementation is difficult.
  • OSPF is a fast concurrence, while the BGP is a slow concurrence.
  • OSPF is also called an internal gateway protocol, while the BGP is called an external gateway protocol.
  • OSPF internet protocol is used, while the BGP transmission control protocol is used.
  • OSPF is a type of hierarchical network topology or design, while the BGP is the type of mesh topology or design.
  • OSPF works in 89 port number, while the BGP work in 179 port number.
  • OSPF is a link-state type, while the BGP works in a vector-state type.
  • OSPF Dijkstra algorithm is used, while the BGP is the best path algorithm is used.
  • OSPF prefers the fastest path rather than the shortest path, while the BGP is preferred the best path.