Building Reliable Systems from Unreliable Components
Arnon Rotem-Gal-Oz discusses creating a SOA implementation that maintains a good overall reliability in spite of using smaller and a larger number of components.
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Bridging the gap between BI & SOA
Business intelligence (BI) and service-oriented architecture (SOA) have conflicting principles and needs. SOA promotes hiding the data inside the services while BI needs that very data if we want to get meaningful predictions and alerts. This article will show you how you can combine SOA with EDA to solve the BI/SOA conflict and maybe even enhance your SOA.
Service Firewall Pattern
How can you protect a service against detect malicious incoming messages and prevent information disclosure on outgoing messages? In this sample chapter from Arnon Rotem-Gal-Oz' in-progress book SOA Patterns, Arnon explains how to use a Service Firewall to intercept incoming and outgoing messages and inspect them in a dedicated software component or hardware.
News by Arnon Rotem-Gal-Oz
Is SOA about the technology?
Nick Gall wrote a post claiming that discussion of SOA without also connecting it to technology is problematic. Nick bases his post on a post by Andrew McAfee that attacks the notion of "It's not about the technology" (INATT) Sure technology is important, but on the other hand... aren't business needs more important?
Survey: Only 37% of enterprises achieve positive ROI with SOA
Nucleus Research and KnowlegeStorm have recently released a report of a survey they did citing that only 37% of 106 enterprises polled achieved positive Return on Investment (ROI) on their SOA deployments. Is SOA ROI just a myth?
Retire Microsoft's Four SOA tenets?
Microsoft's Harry Pierson (a.k.a. DevHawk) suggest that Microsoft's own 4 tenets for SOA should be retired because, well, they are, in Harry's opinion, useless - at least they are not useful anymore.
SOA and Software Appliances
One important trend in regard to SOA deployment options is virtualization. Virtualization is an important enabler of verstility and mobilty of services. A relatively new trend in the realm of virtualization is Software appliances, which can provide a viable option for packaging services for deployment.
Data normalization, is it really that good?
Normalization is one of the corner-stones of database design. Recently some discussion emerged on the need for normalization suggesting denormalization as a more scalable solution.
Tibco releases PageBus - Ajax publish/subscribe component
A few days ago Tibco announced the availability of PageBus, which is a framework to allow publish/subscribe between Ajax components on the browser side. Furthermore Tibco made PageBus an open source project under the BSD license. PageBus provides an important component for building mashups in RIAs in a more flexible, loosely coupled way.
