Disadvantages of the Sliding Window Protocol

November 2, 2022

The Sliding Window Protocol is a packet-based data transmission feature. It is used in applications where reliable in-order delivery of packets is needed. It is implemented in both the data link layer and the Transmission Control Protocol. This protocol has a few disadvantages, so you should be aware of them.

Sliding windows are very useful in a number of problems, such as computing the running average or creating a set of all adjacent pairs. They are also helpful when solving problems involving lists or arrays. They reduce the complexity to O(n) and are usually much faster than brute-force methods. It is possible to use Sliding Windows to find subranges in an array or find a target value.

Sliding window protocols limit the number of packets sent to a network. The number is called the window size and depends on the rate of the receiving computer and the buffer capacity. Using a sliding window protocol, you can send a selected number of packets without waiting for an ACK. The ACK sends back a sequence number that keeps track of the sequence number of the packets that have been sent. Then, when a packet is ACKed, you can send more packets to complete the entire stream.

Sliding windows are usually built with fewer parts compared to other window styles. These windows can be durable and are easy to use. Sliding windows are useful for larger rooms where more natural light is needed. However, they are not suitable for bathrooms and must be customized to fit the space. They have a sleek appearance, which makes them an ideal choice for modern dwellings. However, they may not be the best choice for older buildings.

Selective Repeat ARQ is another sliding window protocol. It uses the sliding window technique to repeat frames. The Go-back-N ARQ protocol works with fewer errors, but it causes loss of bandwidth if a frame is sent twice. In this protocol, the sender window is equal to the receiver window.

Transmission Control Protocol also uses a sliding window to control flow. This means that the sending system can't send more data than the receiving system can handle. This requires the sending system to wait until all bytes are acknowledged. Then, it can continue to send more data. It's similar to sliding a sideways window.

Sliding windows work in a similar way to regular windows, except that the sender adjusts the window to incorporate the next data packet. During this process, the window slides from left to right, allowing the sender to continually respond to the acknowledgements received by the receiver. The sender can send one or several packets at a time.

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