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Use SLAs in a Web services context, Part 7: Mitigate risk for vulnerability with a SLA guarantee
Mitigate the risk of exposing Web services vulnerabilities in a heterogeneous Service-Oriented Architecture (SOA) and reduce the chances of adversely impacting the service-level agreement (SLA) guarantee for uptime availability. Web services are designed to interact quickly with other Web services and with non-Web services in SOA. Judith M. Myerson goes beyond the Advanced Vulnerability Description Language (AVDL) to show you how to address the issues of determining interruption thresholds for a Web service that, for example, has not completed the task of responding to a request for vulnerability information over HTTP. 		Articles 28 Jan 2005  
 
Use SLAs in a Web services context, Part 1: Guarantee your Web service with a SLA
Many businesses are demanding service-level agreements (SLAs) that guarantee the reliability of the IT services they pay for. As Web services enter the mainstream, customers will be asking for SLAs that ensure their quality. In this article, Judith M. Myerson explains how you can establish a service-level agreement (SLA) that covers a Web service. She covers the exceptions that should be included in a SLA, and gives examples of testing a Web service for SOAP interoperability before launching it into the production environment as an exposed Web service that is covered by a SLA. 		Articles 29 Oct 2004  
 
Use SLAs in a Web services context, Part 6: Localize Web services with a SLA guarantee
In Part 6 of this series, Judith M. Myerson explains how developers can localize enterprise office applications in a heterogeneous Service-Oriented Architecture (SOA) of Web services competing for scarce resources without adversely impacting SLA guarantees. She shows some consequences of inadequate bandwidths, space, and other resources to accommodate translated text, intensive graphic images, and associated links in Western European languages. While performance tradeoffs between XML and Java technology are considered, determining how much localization you need is important when using resources by other components of the SOA. 		Articles 07 Jan 2005  
 
Use SLAs in a Web Services context, Part 5: Firewall Web services with a SLA guarantee
In Part 5 of this series, Judith M. Myerson explains how you can centralize your firewall administration to better control and monitor firewalls for multiple Web services and the associated services and applications in a Service-Oriented Architecture (SOA). 		Articles 03 Dec 2004  
 
Use SLAs in a Web services context, Part 4: Secure multiple Web services with a SLA guarantee
In Part 4 of this series, Judith M. Myerson explains how enterprises can put their security administration in a centralized location to better control the access control lists (ACLs) for multiple Web services and their associated services and applications in the Service-Oriented Architecture (SOA). She also illustrates why setting up ACLs for multiple Web services applications is important. Securing open, loosely coupled systems of Web services in a heterogeneous SOA requires a more sophisticated security approach involving multiple administrators than the traditional approach for the tightly coupled non-Web services and EAI applications. Security protocols for EAI applications are more mature those for Web services. 		Articles 29 Oct 2004  
 
Use SLAs in a Web services context, Part 3: Integrate Web services into EAI with a SLA guarantee
Judith M. Myerson helps you save time integrating Web services applications with EAI by explaining their limitations and helps you to better understand the major differences between EAI and Web services. She also shows you how to develop system interruption thresholds as a way of improving your Web services' chances of meeting the SLA guarantee for uptime availability of the resources that SOA players consume and produce dynamically. 		Articles 29 Oct 2004  
 
Use SLAs in a Web services context, Part 2: Guarantee second-generation Web services applications with a SLA
Second-generation Web services applications require that the service-level agreements (SLA) guarantee reliability, availability, and quality of the service that the businesses pay for. As some applications will interact with non-Web services, the customers will ask for a SLA with more precise measurements. Judith M. Myerson explains how you can establish a SLA for those applications. She covers failure alerts, latency and throughput and gives examples of what questions to ask regarding testing an application and how to answer them. 		Articles 29 Oct 2004  
 
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