What are the algorithms used for congestion control?
Congestion Control is a mechanism that controls the entry of data packets into the network, enabling a better use of a shared network infrastructure and avoiding congestive collapse. Congestive-Avoidance Algorithms (CAA) are implemented at the TCP layer as the mechanism to avoid congestive collapse in a network.
What are the three parts of congestion control?
The sender has two pieces of information: the receiver-advertised window size and the congestion window size. The actual size of the window is the minimum of these two. Congestion Policy : TCP’s general policy for handling congestion is based on three phases: slow start, congestion avoidance, and congestion detection.
What is TCP congestion control techniques?
TCP Congestion Control techniques prevent congestion or help mitigate the congestion after it occurs. Unlike the sliding window (rwnd) used in the flow control mechanism and maintained by the receiver, TCP uses the congestion window (cwnd) maintained by the sender.
Which layer is responsible for congestion control?
Transport Layer
5.1 Transport Layer The transport layer is responsible for flow control, congestion control, end-to- end connection setup, and end-to-end reliability.
What are routing algorithms?
A routing algorithm is a procedure that lays down the route or path to transfer data packets from source to the destination. They help in directing Internet traffic efficiently. After a data packet leaves its source, it can choose among the many different paths to reach its destination.
What is token bucket algorithm in congestion control?
Token bucket algorithm is one of the techniques for congestion control algorithms. When too many packets are present in the network it causes packet delay and loss of packet which degrades the performance of the system. This situation is called congestion.
What is the difference between flow control and congestion control?
Flow Control and Congestion Control Flow control is an end-to-end mechanism that controls the traffic between a sender and a receiver. Flow control occurs in the data link layer and the transport layer. Congestion control is used by a network to control congestion in the network.
Which algorithm is best for use in TCP congestion avoidance?
Congestion control uses the slow start algorithm to help control network congestion by slowly introducing packets to the network when a socket is started. Slow start processing is enabled initially for all TCP sockets by default.
What are the two types of routing algorithms?
The Routing algorithm is divided into two categories:
- Adaptive Routing algorithm.
- Non-adaptive Routing algorithm.
What is difference between leaky bucket algorithm and token bucket algorithm?
If bucket is full in token Bucket , tokens are discard not packets….Difference between Leaky and Token buckets –
| Leaky Bucket | Token Bucket |
|---|---|
| Bursty traffic is converted into uniform traffic by leaky bucket. | If there is a ready packet , a token is removed from Bucket and packet is send. |