Basics 3 min read
Selective Repeat ARQ Protocol
Go-Back-N ARQ simplifies the process at the receiver site. The receiver keeps track of only one variable, and there is…
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Basics 2 min read
Go – back – N – automatic repeat request
Go-Back-N Automatic Repeat reQuest (Go-Back-N ARQ), is a data link layer protocol that uses a sliding window method for reliable…
Basics 3 min read
Stop-and-wait automatic repeat request
Stop and Wait ARQ Characteristics Used in Connection-oriented communication. It offers error and flow control It is used in Data…
Basics 3 min read
Noisy Channels
1. Stop-and-Wait Automatic Repeat Request The Stop-and-Wait Automatic Repeat Request (Stop-and-Wait ARQ), adds a simple error control mechanism to the…
Basics 4 min read
Stop-and-wait protocol
While sending the data from the sender to the receiver the flow of data needs to be controlled. Suppose a…
Basics 2 min read
Simplest Protocol
Simplest Protocol is one that has no flow or error control and it is a unidirectional protocol in which data…
Basics 2 min read
Noiseless Channels Protocol
Noiseless Channels: Let us first assume we have an ideal channel in which no frames are lost, duplicated, or corrupted.…
Basics 3 min read
Flow and Error Control
Flow Control It is the mechanism that ensures the rate at which a sender is transmitting is in proportion with…
Basics 2 min read
Bit stuffing
Definition Bit stuffing is the mechanism of inserting one or more non-information bits into a message to be transmitted, to…
Basics 2 min read
Framing- Character stuffing
What is byte stuffing in computer networks? Purpose of Byte Stuffing In Data Link layer, the stream of bits from…