Udp
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User Datagram Protocol (UDP)
CONTENTS • • • • •
PROCESS-TO-PROCESS COMMUNICATION USER DATAGRAM CHECKSUM UDP OPERATION USE OF UDP
Position of UDP in the TCP/IP protocol suite
PROCESS TO PROCESS COMMUNICATION
UDP versus IP
Port numbers
IP addresses versus port numbers
IANA ranges
Socket addresses
USER DATAGRAM
User datagram format
UDP length = IP length − IP header’s length
CHECKSUM
UDP OPERATION
Encapsulation and decapsulation
Multiplexing and demultiplexing
USE OF UDP
CONTENTS • • • • •
PROCESS-TO-PROCESS COMMUNICATION USER DATAGRAM CHECKSUM UDP OPERATION USE OF UDP
Position of UDP in the TCP/IP protocol suite
PROCESS TO PROCESS COMMUNICATION
UDP versus IP
Port numbers
IP addresses versus port numbers
IANA ranges
Socket addresses
USER DATAGRAM
User datagram format
UDP length = IP length − IP header’s length
CHECKSUM
UDP OPERATION
Encapsulation and decapsulation
Multiplexing and demultiplexing
USE OF UDP
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