# Go Back N Protocol Vs Selective Repeat Protocol: What’s the Difference?

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## What is the Go Back N Protocol?

The Go Back N Protocol (GBN) is an algorithm used to determine the next node to be processed in a tree or graph. The GBN algorithm is based on a simple rule: If the current node has a parent that is not the root, then go back one more step in the tree or graph and process that parent. This process continues until the root is reached, at which point the process starts over from the beginning with a new root.
The Selective Repeat Protocol (SRP) is an algorithm used to determine the next node to be processed in a tree or graph. The SRP algorithm is based on a simple rule: If the current node has a parent that is not the root, then repeat the same process as for finding the GBN algorithm, but only consider nodes that are children of the current node. This process continues until there are no more children, at which point the SRP algorithm begins again from the root.
There are several advantages and disadvantages of each algorithm. The GBN algorithm is generally faster than the SRP algorithm because it does not have to repeat any calculations when processing nodes that are children of a previous node that was not processed by the GBN algorithm. However, if there are

## What is the Selective Repeat Protocol?

The Selective Repeat Protocol (SRP) is a retransmission protocol used in TCP known as a congestion control algorithm. The SRP is designed to help avoid unnecessary retransmissions of data that has been received but not yet acknowledged by the receiver. The SRP works by only sending data once it has been confirmed by the receiver. This helps to avoid congestion and improve overall performance.

## Background

Selective Repeat Protocol (SRP) is a reliable, adaptive and secure back-up protocol for communicating between nodes in a distributed system. SRP is based on the concept of selective repeat messages, which are sent by an initiator to a node requesting that the node send a repeat message. The node then sends back a repeat message with the same sequence number but with a different data payload.

Go Back N Protocol (GBN) is a reliable and adaptive back-up protocol for communicating between nodes in a distributed system. GBN is based on the concept of gobacks, which are sent by an initiator to a node requesting that the node send it a goback message. The node then sends back an acknowledgment message containing the sequence number of the last received goback message.

## How Do They Work?

The Go Back N protocol and the Selective Repeat protocol are two different ways that a router can send periodic updates to a destination. The Go Back N protocol sends multiple updates at a time, while the Selective Repeat protocol sends just one update at a time.

The main difference between the two protocols is how they handle situations where the data that needs to be sent is larger than the number of packets that can be sent in one batch. With the Go Back N protocol, the router sends multiple batches of data until it has sent all of the data that it needs to send. With the Selective Repeat protocol, the router only sends one batch of data at a time.

Both protocols have their own advantages and disadvantages. The Go Back N protocol is better at handling large amounts of data, while the Selective Repeat protocol is better at sending only one batch of data at a time.

## Advantages of Go Back N Protocol vs Selective Repeat Protocol

When it comes to data storage and retrieval, there are a few main protocols in use. One of these is the Go Back N protocol, which is usually used when large amounts of data need to be stored or retrieved. The selective repeat protocol is another protocol that can be used for data storage and retrieval. Here, only certain pieces of data are repeated multiple times. Which one is better? Here are the advantages of using the Go Back N protocol:

-It’s efficient: With the Go Back N protocol, only the necessary data is stored or retrieved. This means that fewer resources are used overall, which can save money on storage costs or time spent retrieving information.

-It’s reliable: The Go Back N protocol is generally reliable, which means that data retrieval will be successful most of the time. This is especially important when large amounts of data are being stored or when sensitive information is being retrieved.

-It’s versatile: The Go Back N protocol can be used with a number of different applications and devices, making it easy to find a use for it.

The advantages of using the selective repeat protocol are as follows:

-It’s efficient: With the selective repeat protocol, only the information that is needed is repeated. This means that more data can be stored or retrieved in a shorter amount of time, which can be important when resources are limited or when retrieving information is urgent.

-It’s reliable: The selective repeat protocol is generally reliable, meaning that data retrieval will be successful most of the time. This is especially important when large amounts of data are being stored or when sensitive information is being retrieved.

-It’s versatile: The selective repeat protocol can be used with a number of different applications and devices, making it easy to find a use for it.

## Disadvantages of Go Back N Protocol vs Selective Repeat Protocol

When it comes to patient care, it’s important to have a protocol in place. And, when discussing protocols, it’s important to understand the difference between Go Back N Protocol and Selective Repeat Protocol. Here are a few of the key disadvantages of each:

Go Back N Protocol:

1. It can be time-consuming.

2. It requires more communication between nurses and patients.

3. It can be disruptive to the patient’s routine.

Selective Repeat Protocol:

1. It is less time-consuming than Go Back N Protocol.

2. It does not require as much communication between nurses and patients.

3. It is less disruptive to the patient’s routine.

## What is the N protocol?

The N protocol is a selective repeat protocol. It is used when the sender wants to communicate with a receiver that is located either at the same host or on a different host but still within the same network. The N protocol assumes that the receiver will know how to handle the repeated messages.

## What is the Selective Repeat Protocol?

The selective repeat protocol is a mechanism used by some routers to allow traffic to flow back through the network if it experiences an error. This protocol works by sending periodic “query” packets out the network, and waiting for a response before forwarding the packet again. If no response is received after a certain period of time, the router assumes that the traffic has been lost and decides to discontinue forwarding it.

## The Difference between the N and Selective Repeat Protocols

There are a few key differences between the N and Selective Repeat Protocols, which you should be aware of if you’re considering using one over the other. Here’s a breakdown:

1. The N protocol sends a message every time it detects a change, while the selective repeat protocol only sends a message when there is a change that it considers significant. This can result in faster scanning, but it can also lead to missed changes.

2. The N protocol sends all changes at once, while the selective repeat protocol delays sending changes until they are deemed important. This can lead to more accurate detection, but it can also create lag time for users when changes occur.

3. The N protocol requires more overhead than the selective repeat protocol, which can impact performance.

## Why Use a Protocol?

When looking to improve the performance of a network, one of the most common solutions is to implement a protocol. A protocol is simply a set of rules that are used to communicate between two or more devices. Protocols can be used for a variety of purposes, such as improving the speed and reliability of communications. When choosing which protocol to use, it’s important to understand the differences between the two most popular options: Go Back N and Selective Repeat.

## Conclusion

If you’re new to the world of weightlifting, it can be confusing trying to figure out which type of training protocol is right for you. To make things a little bit easier, I’ve put together this article comparing the two main types of training protocols: go back N and selective repeat. Hopefully, this will help you determine which style of training is best suited for your goals and current level of fitness. Thanks for reading!