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What are applications OSPF?
The OSPF (Open Shortest Path First) protocol is one of a family of IP Routing protocols, and is an Interior Gateway Protocol (IGP) for the Internet, used to distribute IP routing information throughout a single Autonomous System (AS) in an IP network.
Which one stands true for OSPF?
Open Shortest Path First
Open Shortest Path First (OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses a link state routing (LSR) algorithm and falls into the group of interior gateway protocols (IGPs), operating within a single autonomous system (AS). It is defined as OSPF Version 2 in RFC 2328 (1998) for IPv4.
Why OSPF is used in MPLS?
Both the MPLS and OSPF protocols provide capability of addressing IP traffic management when it comes to large networks. The OSPF protocol is based on link state routing which means that every node in the network constructs a map of the network connectivity in the form of a graph.
What are the advantages and disadvantages of OSPF?
OSPF supports/provides/advantages –
- Both IPv4 and IPv6 routed protocols.
- Load balancing with equal cost routes for same destination.
- VLSM and route summarization.
- Unlimited hop counts.
- Trigger updates for fast convergence.
- A loop free topology using SPF algorithm.
- Run on most routers.
- Classless protocol.
Why We Use MP-BGP in MPLS?
Multiprotocol BGP allows information about the topology of IP multicast-capable routers to be exchanged separately from the topology of normal IPv4 unicast routers. Thus, it allows a multicast routing topology different from the unicast routing topology.
Why is OSPF important to the Internet infrastructure?
Because it maintains more than one copy of routing information, it consumes more memory. It is a more complex protocol to understand and learn compared to other Internet Protocols. Open Shortest Path First, as a routing protocol, has an important place in internet infrastructure.
Which is the most widely used OSPF protocol?
OSPF is one of the most widely used protocols in large enterprise networks. It was designed to support variable length Subnet masking (or VLSM) and Classless Inter-Domain Routing (CIDR) address, models.
Which is the backbone area of OSPF network?
An autonomous system can be divided into areas; these help in reducing the link state advertisements and other overhead traffic that will be otherwise sent to the network. Backbone Area: It is also known as area0 or area 0.0.0.0; it forms the very core of an OSPF network, and all other areas of the network are connected to the backbone area.
Is there an OSPF implementation for Windows Server 2008?
Microsoft Removed the support with the Windows Server 2008 and later version of Server Operating Systems by the company. OpenBSD Operating system has an implementation of OpenBGPD protocol which has OpenOSPFD implementation.