February 2009
Beginner
222 pages
5h 23m
English
Content preview from 97 Things Every Software Architect Should Know
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Chapter 74. Stretch Key Dimensions to See What Breaks
Stephen Jones designs solutions for Tier-1 Telco Billing and its related high-volume processes for companies such as Telstra and Optus in Australia, and the 1997 version of AT&T in the U.S. This design work included the initial implementations of Telco billing systems, redesigns of post-bill dispute and fraud billing functions, and over two years managing 24/7 production support for Telstra.
—Stephen Jones
AN APPLICATION'S DESIGN IS OUTLINED initially based on the specified business requirements, selected or existing technologies, performance envelope, expected data volumes, and the financial resources available to build, deploy, and operate it. The solution, whatever it is, will meet or exceed what is asked of it in the contemporary environment and is expected to run successfully (or it is not yet a solution).
Now take this solution and stretch the key dimensions to see what breaks.
This examination looks for limits in the design that will occur when, for example, the system becomes wildly popular and more customers use it, the products being processed increase their transaction counts per day, or six months of data must now be retained rather than the initially specified week. Dimensions are stretched individually and then in combination to tease out the unseen limits that might lie hidden in the initial design.
Stretching key dimensions ...
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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.