7 - eBusiness

Transaction server architecture presentation logic

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: I/O Processing Logic Application Business Logic Data Management Logic Data Manipulation Logic APPLICATION SERVER Client-Side Client Side ClientSide Client Side Server-Side Server Side BUSI 335 46 Logic Splitting in C/S (cont’d) 3. Transaction server architecture Presentation Logic Server Side Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 47 BUSI 335 Server-Side Server Side Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 48 Three-Tier Architectures: Framework Logic Splitting in C/S (cont’d) SUMMARY Presentation Logic I/O Processing Logic Application Business Logic Data Management Logic • Require gateways to legacy systems. • Example: client, HTTP server, and database server Data Manipulation Logic (3 different computers!) FILE SERVER Server-Side Client Side Client-Side Server Side DATABASE SERVER Server-Side Client Side Client-Side Server Side TRANSACTION SERVER Client Side Client-Side Server-Side Server Side APPLICATION SERVER ClientSide Client Side BUSI 335 Server-Side Server Side Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 49 BUSI 335 Thin Clients and the Internet • A glue of 3-tier architectures • Software that sits between the business applications and the extremely thin client hardware and operating systems • Some Functions: – Insulates the applications from unique hardware and operation system interfaces – Improve the application’s reusability and help attain platform independence – Enables clients to access different data sources – Controls and manages access to distributed data through distributed transactions – Coordinate concurrency between multiple simultaneous users – Checks security permissions – freely available for most platforms – rudimentary presentation logic only • Hyper Text Mark-up Language (HTML) → simple text, tables and forms – built-in support for network communication (via standard Internet protocol) Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 50 Middleware • Standard internet browsers provide an BUSI 335 Copyright © 2009-10 Y.M. Cheung, Wil...
View Full Document

This document was uploaded on 03/04/2014 for the course COMM 335 at UBC.

Ask a homework question - tutors are online