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Random Musing Putting it together one piece at a time... Architecture
Implementation of Real Time Business Intelligence
While there have many takes and talks about Business Intelligence 2.0, which is really BI working in a SOA environment, the technology behind Business Intelligence hasn't seems to mature to the state where we can really have real time performance without sacrificing some traditional BI systems characteristics. SQL Server 2005 did a great job in getting us closer to Real Time Business Intelligence through the introduction of Proactive Caching as well as SSIS's dimensional destination. However, things ......

Posted On Thursday, August 30, 2007 4:58 PM

Real Time BI with SCD Type II?
Is this even possible? I've been trying to design a BI system on SQL Server 2005 with strict constraints to maintain a 'single version of truth'. One of the hardest things in this system is to provide Real Time data views with historical audit. To make things more exciting, many of the dimensions are slowly changing dimensions. Proactive Caching in SSAS seems to address the issue of Real Time BI in a good sense. We're actually able to get pretty good performance on a ROLAP engine thanks to this neat ......

Posted On Wednesday, August 29, 2007 7:29 AM

How do you invoke a Workflow from WCF Service?
It took me a while to come to this blog post from Bart. He wrote a very simple and easy to understand article on how you can invoke a workflow engine from a IIS / Self Hosted WCF service. This is very useful from the layered architecture perspective since most service-oriented systems will not have the presentation layer calling the workflow engine directly. More often than not (depending on the complexity of the system), you will want to inject a communication service layer in the middle to handle ......

Posted On Wednesday, April 11, 2007 11:32 AM

Quick guide in accessing WCF Service via Web Application
I was writing a proof of concept which uses WCF, WF and ASP.Net 2.0 and across some problems when I tried to call a WCF service from the web application client. Turned out that I spent an hour wasted trying to debug my application because I did not place the proxy.cs file into the App_Code of the web application. I had it documented down and wrote a simple and straight forward tutorial on how you can use a web application to access and call a WCF Service. The article is uploaded into the article ......

Posted On Tuesday, March 6, 2007 10:40 AM

Basic WCF Concepts and Terminologies
I've posted a brief overview that explain briefly on the concept and some common terminology explanation of WCF. The tutorial aims to provide a basic and quick insight and understanding of WCF. If you're interested to find out a bit more about Windows Communication Foundatin and wanted to have a quick overview, this article should be able to provide you with some basic answers to the immediate questions. In the light of preventing "excessive information overflow", the article is written and designed ......

Posted On Monday, February 5, 2007 5:17 PM

Changing ASP.Net 2.0 User-Login Control's Database
For the next few months, I will be publishing a series of short and basic tutorials on development of a skeleton system comprising of the following technologies Ajax using ASP.Net Atlas ASP.Net 2.0 webparts and usage of some other user controls Windows Workflow Foundation Windows Communication Foundation Cross technology between WCF and WF Reporting Services Business Intelligence using SQLServer 2005 including database design, SSIS and AS Application to application integration through BizTalk 2006 ......

Posted On Friday, January 26, 2007 1:53 PM

SOA Demonstration
This is old news, but Brain Groth and Mark Berman released a demonstration of what I'll call a true-blue SOA hosted on Channel9. Very impressive piece of demo encompassing many applications and technologies. We see 1. Webservices built on top of legacy systems 2. BizTalk and webservices working it's magic3. Integrations with AS400s, SAP and some other systems4. SQL Server, Unix, J2EE Websphere, Speech Server and many systems which are unlikely to work together.5. Business processes driving systems ......

Posted On Tuesday, December 26, 2006 12:40 PM

Some differences between Indigo and WCF
There're some difference between Indigo and WCF which I'll highlight here. 1. WsProfileBinding is not longer therewsProfileBinding is a secure, reliable and interoperable binding based on WS-Reliable Messsaging and used for one-way service contracts. Basically it's fire and forget. The current downloadable WCF installation no longer uses wsProfileBinding, instead you should use wsHttpBinding to replace that and use Reliable Session to configure that in the config file to enable reliable messanging ......

Posted On Friday, December 22, 2006 2:31 PM

Windows Communication Foundation
For the sake of all the lost sheeps looking for information on setting up development environment for Windows Communication Foundation, understanding its overall architecture and learning the basics of WCF. I've compiled some very brief definitions to some of the common questions and it's accompanied resources that might get you going. About WCF:1. What is WCF and when will it be released?As it's name imply, WCF is Microsoft's version of All-In-One communication package, servicing all your Web Services/WS-*/WSE, ......

Posted On Thursday, December 21, 2006 10:42 AM

Interface? What Interface?
Interface can be quite confusing for some people, especially when the explanation is made with different technical jargons as well. Try listening to a geeks only discussion about Interfaces, Polyphormism, Inheritance and the like and I'm sure you'll be thrown with plenty of big technical words. I've written a quick explanation of what an Interface is based on layman language, so if there's a time when your non-techn boss asks you what and why you need an interface, you won't be caught off-guard ......

Posted On Friday, December 15, 2006 10:19 PM

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