May 2001
Intermediate to advanced
1088 pages
30h 13m
English
Content preview from Special Edition Using Java™ 2 Enterprise EditionBecome 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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The "ilities"
When you talk about the benefits of three-tiered and multitiered applications, you often talk in terms of "ilities"—scalability, maintainability, reliability, availability, extensibility, and manageability. The addition of multiple tiers affects each of these terms in different ways.
Scalability
Scalability refers to the application's capability to support more and more users. In a two-tiered application, for example, each user might have a separate connection to the database. This is especially true for a two-tiered GUI application, because the GUI application typically connects directly to the database. If you have 10,000 users, you need 10,000 database connections. In a two-tiered Web application, you can support many users with ...
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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.