May 2009
Beginner
271 pages
9h 38m
English
Content preview from Web 2.0 ArchitecturesBecome 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 Software as a Service (SaaS) Pattern
Also Known As
Terms often associated with the Software as a Service pattern include:
- Utility Computing and Cloud Computing
Cloud Computing is not the same as SaaS; rather, it is a specialized pattern of virtualization. Utility and Cloud Computing refer to treating computing resources as virtualized, metered services, similar from a consumer’s perspective to how we consume other utilities (such as water, gas, electricity, and pay-per-view cable).
- On-demand applications
On-demand applications provide access to computing resources on an ad hoc basis when the functionality is required. Using the http://createpdf.adobe.com service to create a single PDF document online rather than having to download and install a version of Acrobat is a good example.
- Software Above the Level of a Single Device
This pattern relates to software that spans Internet-connected devices and builds on the growing pervasiveness of the online experience. It touches on various aspects of the SaaS pattern; in particular, the concepts of distributed computing of tasks via network connections.
- Model-View-Controller (MVC)
Some people consider SaaS a specialization of the MVC pattern that distributes the Model, View, and Controller (or parts thereof) over multiple resources located on the Internet. It is strongly related to SaaS, and most SaaS providers follow the MVC pattern when implementing SaaS.
Business Problem (Story)
Consider a software vendor that wishes to develop spam removal ...
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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.