July 2014
Intermediate to advanced
642 pages
15h 11m
English
Content preview from Enterprise Web DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 8. Upgrading HTTP to WebSocket
This chapter is about upgrading from HTTP to the more responsive HTML5 WebSocket. It begins with a brief overview of the existing legacy web networking, and then you’ll learn why and how to use WebSocket.
We’re going to show that the WebSocket protocol has literally no overhead compared to HTTP. You might consider using WebSocket to develop the following types of applications:
- Live trading/auctions/sports notifications
- Live collaborative writing
- Controlling medical equipment over the Web
- Chat applications
- Multiplayer online games
- Real-time updates in social streams
For the next version of the Save The Child application, we’re going to use WebSocket to implement an online auction communication layer. The goal is to let individuals and businesses purchase handmade arts and crafts made by children. All proceeds will go to Save The Child.
The goal is to let you see the advantages of changing the protocol for client-server communications on the Web. You’ll clearly see the advantages of WebSocket over regular HTTP by monitoring network traffic with such tools as Wireshark and Google Chrome Developer Tools.
All the server-side functionality supporting this chapter is written in Java, using the Java API for WebSocket reference implementation, which is a part of the Java EE 7 specification. We are using the latest release of the GlassFish application server. If you don’t know Java, just treat this server-side setup as a service that supports the WebSocket ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.