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Delphi Cookbook

You're reading from   Delphi Cookbook 50 hands-on recipes to master the power of Delphi for cross-platform and mobile development on Windows, Mac OS X, Android, and iOS

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Product type Paperback
Published in Sep 2014
Publisher
ISBN-13 9781783559589
Length 328 pages
Edition 1st Edition
Languages
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Author (1):
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Daniele Teti Daniele Teti
Author Profile Icon Daniele Teti
Daniele Teti
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Toc

Table of Contents (9) Chapters Close

Preface 1. Delphi Basics FREE CHAPTER 2. Become a Delphi Language Ninja 3. Going Cross Platform with FireMonkey 4. The Thousand Faces of Multithreading 5. Putting Delphi on the Server 6. Riding the Mobile Revolution with FireMonkey 7. Using Specific Platform Features Index

Controlling remote applications using UDP


What's UDP? UDP is a connectionless protocol used by everyone every day, but it seems that not too many people know it. However, it can really be useful to solve particular network problems. Like TCP, UDP works at transport layer in the TCP/IP model, but they have very different uses.

UDP

Compared to TCP, UDP is a simpler message-based, connectionless protocol. Connectionless protocols do not set up a dedicated end-to-end connection; instead, communication is achieved by transmitting information in one direction from source to destination without verifying the readiness or state of the receiver. However, one primary benefit of UDP over TCP is the application to the voice-over-Internet protocol (VoIP) where latency and jitter are the primary concerns. It is assumed in VoIP UDP that the end users provide any necessary real-time confirmation that the message has been received.

Here are some features of UDP as exposed by Wikipedia (http://en.wikipedia...

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