3.04 – UDP and UDP Checksum
This video describes about User datagram protocol. Describes about structure of UDP. Explain about How to calculate (find) checksum.
“UDP:
• The port numbers allow the destination host to pass the application data to the correct process running on the destination end system (that is used to perform the demultiplexing function).
• The length field specifies the number of bytes in the UDP segment (header plus data).
• The checksum is used by the receiving host to check whether errors have been introduced into the segment.
Checksum in UDP:
• The UDP checksum is calculated on the sending and receiving side by summing all the 16-bit words in the segment, with any overflow being wrapped around and then the 1’s complement is performed and the result is added to the checksum field inside the segment.
GTU – Computer Engineering (CE) – Semester 4 – 2140709 – Computer Networks – Transport Layer – UDP and UDP Checksum
Computer Networks PPTs are available here: http://www.darshan.ac.in/DIET/CE/GTU-Computer-Engineering-Study-Material
This video is recorded by Prof. Maulik Trivedi ([email protected], +91-9998265805) at Computer Engineering Department of Darshan Institute of Engineering & Technology, Rajkot as per GTU Syllabus.
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