UDP - TCP- Congestion Control – Presentation aspects
UDP /TCP, Congestion Control, Presentation Aspects User Datagram Protocol (UDP) It provides connectionless service and end-to-end delivery of transmission. It is an unreliable protocol as it discovers the errors but not specify the error. User Datagram Protocol discovers the error, and ICMP protocol reports the error to the sender that user datagram has been damaged. UDP consists of the following fields: 1. Source port address: The source port address is the address of the application program that has created the message. 2. Destination port address: The destination port address is the address of the application program that receives the message. 3. Total length: It defines the total number of bytes of the user datagram in bytes. 4. Checksum: The checksum is a 16-bit field used in error detection. Transmission Control Protocol (TCP) It provides a full transport layer services to applications. It creates a virtual circuit between the sender and receiver, and it is active ...
