Initially, the window size at the source is enlarged by the number of packets acknowledged by the receiver. According to this algorithm, the transfer rate of a TCP source (or more specifically the window size) is increased until the congestion is detected at some link in the network. used to regulate the amount of data injected into the network. The Jacobson’s algorithm, implemented at the connection end points, ensured the basic control mechanism.
The bursts of traffic intensity frequently led to a network breakdown called the congestion collapse, and the resulting throughput degradation by several orders of magnitude. Before introducing the proposal of Van Jacobson, the TCP/IP-based networks suffered from severe congestion problems.
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