difference between udp and tcp

TCP is a connection-oriented protocol, whereas UDP is a connectionless protocol. The speed for TCP is slower while the speed of UDP is faster. TCP uses handshake protocol like SYN, SYN-ACK, ACK while UDP uses no handshake protocols.

1. Is UDP or TCP better?
2. What is TCP and UDP with example?
3. Where TCP and UDP are used?
4. Why UDP is preferred over TCP?
5. Where is UDP used?
6. Is UDP secure?
7. Does Netflix use UDP?
8. What is UDP with example?
9. What is the main advantage of UDP?
10. Why UDP is used in DNS?
11. Is YouTube a TCP or UDP?
12. Is socket TCP or UDP?

Is UDP or TCP better?

TCP is comparatively slower than UDP. UDP is faster, simpler, and more efficient than TCP. Retransmission of lost packets is possible in TCP, but not in UDP. There is no retransmission of lost packets in the User Datagram Protocol (UDP).

What is TCP and UDP with example?

TCP guarantees (in-order) packet delivery. ... TCP - used for traffic that you need all the data for. i.e HTML, pictures, etc. UDP - used for traffic that doesn't suffer much if a packet is dropped, i.e. video & voice streaming, some data channels of online games, etc.

Where TCP and UDP are used?

Both TCP and UDP are protocols used for sending bits of data — known as packets — over the Internet. They both build on top of the Internet protocol. In other words, whether you are sending a packet via TCP or UDP, that packet is sent to an IP address.

Why UDP is preferred over TCP?

Typically, use UDP in applications where speed is more critical than reliability. For example, it may be better to use UDP in an application sending data from a fast acquisition where it is acceptable to lose some data points. ... TCP is for high-reliability data transmissions. UDP is for low-overhead transmissions.

Where is UDP used?

UDP is commonly used for applications that are “lossy” (can handle some packet loss), such as streaming audio and video. It is also used for query-response applications, such as DNS queries.

Is UDP secure?

The big security problem with UDP is that you are susceptible to spoofing and DOS attacks. It's not possible to spoof an address across the internet using TCP since the handshake will never complete. OTOH with UDP there is no implicit handshake - any session maintenance must be done by your code (processing overhead).

Does Netflix use UDP?

Netflix, Hulu, Youtube, etc. video streaming all use TCP and simply buffer a few seconds of content, instead of using UDP since the delay is not crucial and TCP transfers can be easily accomplished over HTTP and web browsers without the need for additional plugins and software.

What is UDP with example?

UDP has a number of benefits for different types of applications, including: No retransmission delays – UDP is suitable for time-sensitive applications that can't afford retransmission delays for dropped packets. Examples include Voice over IP (VoIP), online games, and media streaming.

What is the main advantage of UDP?

What is the main advantage of UDP? Explanation: As UDP does not provide assurance of delivery of packet, reliability and other services, the overhead taken to provide these services is reduced in UDP's operation. Thus, UDP provides low overhead, and higher speed.

Why UDP is used in DNS?

DNS uses the User Datagram Protocol (UDP) on port 53 to serve DNS queries. UDP is preferred because it is fast and has low overhead. A DNS query is a single UDP request from the DNS client followed by a single UDP reply from the server.

Is YouTube a TCP or UDP?

Both Amazon Prime and Netflix use TCP as the transport layer protocol. YouTube on the other hand use both UDP and TCP protocols.

Is socket TCP or UDP?

The socket associated with Firefox looks like 192.168. 1.25:49175. Because web servers operate on TCP port 80, both of these sockets are TCP sockets, whereas if you were connecting to a server operating on a UDP port, both the server and client sockets would be UDP sockets.