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Poison Reverse vs Split Horizon
Routing protocols are used to determine the best path for data to travel through a network. They are responsible for maintaining and updating routing tables, which are used by routers to determine the best path for data to travel through a network. There are several different types of routing protocols, each with their own unique characteristics and uses.
One of the most commonly used routing protocols is Poison Reverse. Poison Reverse is a technique used to prevent routing loops by marking a route as invalid if it is learned from a neighbor that is not the next hop. This technique is used to prevent routing loops by marking a route as invalid if it is learned from a neighbor that is not the next hop.
Poison Reverse is typically used in distance-vector routing protocols such as Routing Information Protocol (RIP) and Interior Gateway Routing Protocol (IGRP). Another common routing protocol is Split Horizon. Split Horizon is a technique used to prevent routing loops by not advertising a route back out of the interface from which it was learned. This technique is used to prevent routing loops by not advertising a route back out of the interface from which it was learned. Split Horizon is typically used in distance-vector routing protocols such as RIP and IGRP.
The five differences between Poison Reverse and Split Horizon are −
Purpose − Poison Reverse is used to prevent routing loops, while Split Horizon is used to prevent the re-advertising of information back to the source from which it was received.
Method − Poison Reverse uses the concept of "poisoning" a route by setting the metric to infinity, while Split Horizon simply prevents the re-advertising of information.
Timing − Poison Reverse is typically used during the convergence process, while Split Horizon is used continuously.
Impact − Poison Reverse can cause a temporary disruption of routing, while Split Horizon has a more subtle impact on routing.
Complexity − Poison Reverse is typically more complex to implement than Split Horizon, as it requires the use of a metric to indicate that a route is invalid.
A few applications of Poison Reverse and Split Horizon routing protocols −
The applications of Poison Reverse and Split Horizon are mainly used in large networks
where there are many routers and many routes. These techniques are used to prevent routing loops and to ensure that data is sent to the correct destination. They are also used to improve network performance and to reduce the number of routing updates that are sent across the network.
In a large corporate network, Poison Reverse is used to prevent routing loops and to ensure that data is sent to the correct destination. This allows the network to function efficiently and effectively.
In a university network, Split Horizon is used to prevent routing loops and to improve network performance. This allows the network to handle the large amount of data that is sent and received by the university's students and faculty.
In a transportation network, both Poison Reverse and Split Horizon are used to prevent routing loops and to ensure that data is sent to the correct destination. This allows the transportation network to function efficiently and effectively, ensuring that trains and buses arrive at their destinations on time.
In a financial network, Poison Reverse is used to prevent routing loops and to improve network performance. This allows the financial network to handle large amounts of financial data, such as stock prices and transactions, without any delays or errors.
In a power grid network, Split Horizon routing protocol is used to prevent routing loops and to improve network performance. The power grid network is a large and complex network that is responsible for distributing electricity to homes and businesses. The network is composed of multiple routers, switches, and other networking devices. The Split Horizon protocol is used to prevent routing loops that can occur when routers in the network try to send data back out the same interface from which they received it.
Overall, Poison Reverse and Split Horizon are important routing protocols that are essential for the efficient and reliable operation of networks. They are used in a variety of applications to prevent routing loops and ensure that data is delivered to the correct destination. They also provide redundancy and failover capabilities, ensuring that the network continues to function even if one or more routers fail.
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