2.1 TCP vs UDP

Question 1

TCP/IP Protocol

Answer 1

2 computers talk to each other [COMMUNITCATE]

Question 2

TCP & UDP

Answer 2

underlying protocols that make the other protocols work

Question 3

TCP = Transmission Control Protocol

Answer 3

• Reliable
• Connection-orientated
• Virtual circuit
• Sequenced
• Acknowledgements
• 24-60 bytes [high overhead]
• Sequencing of information
• Acknowledgement of the data sent
• TCP Handshake: SYN –> SYNACK –> ACK
• Guarantees data gets to the other side
  a. Error checks data
  b. Fixes errors on information

Question 4

UDP = User Datagram Protocol

Answer 4

• Unreliable
• Connectionless
• NO virtual circuit
• Un-sequenced [NO ORDER]
• NO acknowledgement
• 8 bytes [LIGHTWEIGHT]
• Giving some data & NOT caring if you receive it or not
• Un-sequenced = corrupt data / doesn’t fix it