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Difference between TCP and UDP Protocol

(Christopher Pearson)



















TCP(Transmission Control Protocol). Order Womens Health with No Prescription, TCP is a connection-oriented protocol, a connection can be made from client to server, and from then on any data can be sent along that connection.

UDP(User Datagram Protocol). A simpler message-based connectionless protocol. With UDP you send messages(packets) across the network in chunks.

Reliable - when you send a message along a TCP socket, buy cheap Womens Health no rx, Buy cheap Womens Health, you know it will get there unless the connection fails completely. If it gets lost along the way, order Womens Health from United States pharmacy, Order Womens Health online c.o.d, the server will re-request the lost part. This means complete integrity, buy Womens Health from mexico, Purchase Womens Health online no prescription, things don't get corrupted.

Unreliable - When you send a message, you don't know if it'll get there, purchase Womens Health online, Kjøpe Womens Health på nett, köpa Womens Health online, it could get lost on the way.

Ordered - if you send two messages along a connection, one after the other, Womens Health over the counter, Online buy Womens Health without a prescription, you know the first message will get there first. You don't have to worry about data arriving in the wrong order.

Not ordered - If you send two messages out, ordering Womens Health online, Buy no prescription Womens Health online, you don't know what order they'll arrive in.

Heavyweight - when the low level parts of the TCP "stream" arrive in the wrong order, resend requests have to be sent, canada, mexico, india, Buy Womens Health from canada, and all the out of sequence parts have to be put back together, so requires a bit of work to piece together.

Lightweight - No ordering of messages, fast shipping Womens Health, Order Womens Health online overnight delivery no prescription, no tracking connections, etc, where to buy Womens Health. It's just fire and forget, Order Womens Health with No Prescription. Purchase Womens Health, This means it's a lot quicker, and the network card / OS have to do very little work to translate the data back from the packets.

Overview of TCP and UDP


(Erik Rodriguez)


TCP (Transmission Control Protocol) is the most commonly used protocol on the Internet, buy Womens Health without a prescription. Womens Health for sale, The reason for this is because TCP offers error correction. When the TCP protocol is used there is a "guaranteed delivery." This is due largely in part to a method called "flow control." Flow control determines when data needs to be re-sent, australia, uk, us, usa, Womens Health samples, and stops the flow of data until previous packets are successfully transferred. This works because if a packet of data is sent, buy Womens Health no prescription, Where to buy Womens Health, a collision may occur. Order Womens Health with No Prescription, When this happens, the client re-requests the packet from the server until the whole packet is complete and is identical to its original.



UDP (User Datagram Protocol) is anther commonly used protocol on the Internet. However, buy cheap Womens Health, Buy generic Womens Health, UDP is never used to send important data such as webpages, database information, order Womens Health from mexican pharmacy, Where can i buy Womens Health online, etc; UDP is commonly used for streaming audio and video. Streaming media such as Windows Media audio files (.WMA), buy Womens Health without prescription, Buying Womens Health online over the counter, Real Player (.RM), and others use UDP because it offers speed, buy Womens Health online cod. Where can i buy cheapest Womens Health online, The reason UDP is faster than TCP is because there is no form of flow control or error correction. The data sent over the Internet is affected by collisions, online buying Womens Health hcl, Where can i find Womens Health online, and errors will be present. Remember that UDP is only concerned with speed, order Womens Health from United States pharmacy. This is the main reason why streaming media is not high quality.

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Networking 1 Comment

Kathy said,

September 26, 2007 @ 10:10 pm

Broadcast can’t be done with TCP. UDP is must for that.

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