Rickland Hollar

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Top Stories by Rickland Hollar

Web services and the Grid are converging! The prospect of grid-based, commodity computers delivering run anywhere, anytime Web services across the Internet has hype-o-meters showing a speedy rise and marketing departments gearing up everywhere. Standards are still winding their way through community processes and early adopter products are just coming to market, but that hasn't stopped some industry watchers from proclaiming "Grid services" the next big thing. The Butler Group, for example, sees the coming boom in Grid services dwarfing even the Internet in terms of its impact, as they transform IT from a products-based to a services-oriented industry. Irrational exuberance? Maybe not. The coupling of Web services' strong standards heritage with the Grid's experience securing and managing resources in heterogeneous environments could create a boon for SOA, B2B and e... (more)

SOAP's Two Messaging Styles

To RPC, or not to RPC: that is the question. Whether 'tis nobler in the mind to suffer the control and dependency of coupling, or to take arms against a sea of troubles, and by opposing, end them? The Simple Object Access Protocol (SOAP) offers two messaging styles: RPC (Remote Procedure Call) and document style. One is for creating tightly coupled, inter-object style interfaces for Web services components; the other is for developing loosely coupled, application-to-application and system- to-system interfaces. Some of you may have questions about the differences in the styles o... (more)

Moving Toward the Zero Latency Enterprise

The Internet makes it possible to deliver information almost instantaneously - anytime, anywhere - and is redefining the traditional boundaries around organizations and their IT systems. The Internet has turned buyers into sellers, sellers into buyers, and set new expectations for how services should be delivered. These expectations raise the bar for applications in terms of their need for interconnectivity and responsiveness. For businesses to remain competitive in this environment - or in the case of government agencies, responsive - they must embrace the idea that speed not on... (more)

Who's Master of Your Domain?

W.C. Fields once said, "The practice of keyhole-listening is usually confined to hotels and boarding houses. It is absolutely indefensible to stoop so low. If the transom is not ajar, remember there are plenty of other rooms in the building." Hackers on the Web can take a similarly cavalier attitude - surfing from site to site until they find one whose "transoms are ajar." The question for you is whether yours are among them. Information is an increasingly valuable asset in most organizations. Information security is about protecting that asset. Computer security deals with prot... (more)

Will Standards Turn Portals into Commodities? - Two approaches that work

As a senior architect I always have a weather eye on evolving technologies in order to answer questions on how decisions made today will affect applications three to five years into the future. Occasionally, I hear or read a bellwether statement, one that makes me say, "I need to dig deeper into what was said in order to better understand its implications and track the underlying technology's evolution because it could have a significant impact on the way we are, or should be, developing applications." That was my reaction when I read Robert Brock's comments in the March 25, 2002... (more)