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Differentiate between TCP and UDP.

written 9.7 years ago by teamques10 ★ 70k

modified 4.1 years ago by krithikkm200 • 10

Mumbai University > Electronics > Sem 7 > Computer Communication Network

Marks: 5 M

Year: Dec 2010, May 2015

computer networks

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written 9.7 years ago by teamques10 ★ 70k

UDP	TCP
Simple, High speed, low-functionally “wrapper” that interfaces applications to the network layer and does little else.	Full-featured protocol that allows applications to send data reliably without worrying about network layer issues.
Connectionless, data is sent without setup.	Connection-oriented, connection must be established prior to transmission.
Message-based, Data is sent in discrete packages by the application	Stream-based, Data is sent by the application with no particular structure.
Unreliable, best effort delivery without acknowledgments.	Reliable delivery of messages, all data is acknowledged.
Not performed. Application must detect lost data and retransmit if needed.	Delivery of all data is managed and lost data is retransmitted automatically.
No features are provided to manage flow of data.	Flow control using sliding windows, window size adjustment heuristics, congestion avoidance algorithms.
Very low overhead.	Low overhead but higher than UDP.
Very high transmission speed.	High, but not as high as UDP.
Small to moderate amounts of data.	Small to very large amounts of data.
Applications when data delivery speed matters more than completeness, where small amounts of data are sent, or where multicast are used.	Most protocols and applications sending data that must be received reliably, including most file and message transfer protocol.
Multimedia, DNS, BOOTP, DHCP, SNMP etc.	FTP, TELNET, SMTP, DNS, HTTP, IMAP etc.

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