How TCP and UDP Work | Network Fundamentals Part 7
TCP and UDP are the transport layer protocols that are used to get data from one application to another.
They have several common features, like port numbers (the network address of the application), headers, and multiplexing (allowing more than one application to access the network at a time).
But, they also have several differences. For example, TCP is connection oriented, while UDP is connectionless. TCP is ‘reliable’ while UDP is ‘unreliable’.
But if TCP has more features, why use UDP at all? The answer may surprise you!
The answers to the quiz questions, a must for CCENT and CCNA candidates, can be found at: [ Ссылка ]
The CCENT/CCNA study guide (affiliate): [ Ссылка ]
In the next video, we’re looking how TCP establishes connections, sometimes called the ‘three-way handshake’
Overview of this video:
0:00 Introduction
0:22 Ports
0:58 TCP and UDP headers
1:48 Selecting Port Numbers
2:58 Multiplexing
3:47 Sockets
5:04 Connections in Windows
6:06 Quiz 1 and 2
6:39 Comparing TCP and UDP
8:59 Why use UDP?
10:19 Quiz 3, 4, and 5
LET'S CONNECT
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How TCP and UDP Work | Network Fundamentals Part 7
Теги
Network directionTcpudpIpConnection orientedConnectionlessThree way handshakeReliableUnreliableTransportOsitcp/ipHeadersSegmentPacketPortSourceDestinationHttpMultiplexingWindowing5-tupleSocketNetstatFlow controlRetransmissionVoiceConnection establishment and terminationSynAckFinRstIsnInitial sequence numberAcknowledgeConnection resetSliding windowSackSelective acknowledgementZero window
