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Differentiate between TCP and UDP.
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teamques10
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| Sr.No | Characteristic/Description | UDP | TCP |
|---|---|---|---|
| 1. | General Description | Simple, high-speed, low-functionality “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 the network layer issues. |
| 2. | Protocol Connection Setup | Connectionless; data is sent without setup | Connection oriented; connection must be established prior to transmission |
| 3. | Data interface to application | Message based; data is sent in discrete packages by the application | Stream based; data is sent by the application with no particular structure. |
| 4. | Reliability and Acknowledgements | Unreliable; best effort delivery without acknowledgements | Reliable delivery of messages; all data acknowledged |
| 5. | Re-transmissions | Not performed. Application must detect lost data and re-transmit if needed | Delivery of all data is managed and lost data is re-transmitted automatically |
| 6. | Features Provided to manage flow of data | None | Flow control using sliding windows; window size adjustment heuristics; congestion avoidance algorithms. |
| 7. | Overhead | Very low | Low, but higher than UDP |
| 8. | Transmission speed | Very high | High, but not as high as UDP |
| 9. | Data Quantity | Small to moderate amounts of data(up to few hundred bytes) | Small to very large amounts of data (up to gigabytes) |
| 10. | Types of Application | Applications where data delivery speed matters more than completeness, where small amounts of data are sent; or where multicast/broadcast are used | Most protocols and applications sending data that must be received reliably, including most file and message transfer protocols |
| 11. | Well-Known Applications and Protocols | Multimedia applications, DNS, BOOTP, DHCP, TFTP, SNMP, RIP | FTP, Telnet, DNS, SMTP, HTTP, POP, NNTP, BGP, IRC, IMAP |
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