RS-232: A Key to Understanding Data Communications by Global Knowledge
Read this paper to learn the history and current application of RS-232, a standard that refers to two classes of devices: Data Terminal Equipment and Data Circuit Terminating Equipment. Experts have been predicting the death of RS-232 for decades, and yet it continues to serve us well. It is a highly proven technology that is inexpensive and easy to...
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CA E-Guide: VoIP Management Tool Kit by CA
View this expert E-Guide and learn about the tools and strategies needed to guarantee a complete management solution for VoIP systems. Management of enterprise VoIP systems to ensure voice quality and reliability is a key element to an organizations success. Therefore, it's important to make sure the companies have acceptable tools in...
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Reliance for Managed Service Providers by Univa UD
Reliance is a service-based application delivery appliance that enables managed service providers to guarantee application performance and end user satisfaction - while optimizing resource utilization and minimizing costs. Reliance is a service-based application delivery appliance that enables managed service providers to...
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Mainframe vulnerabilities: Be proactive rather than reactive
by
Robert Crawford, Contributor
must be jealously protected on all the concerned computers.
But, my favorite gotcha is the fact that passwords on 3270 sessions go over the network in clear text. Sniffer trace, anyone?
System datasets
Most shops had this one figured out long ago. The person who can update SYS1.PARMLIB has the keys to the kingdom. The same goes for every parameter library...
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Data center cooling optimization in the virtualized-server world
by
Julius Neudorfer
and cooling resources.
The plain truth about all computers is that they turn every Watt (W) of power directly into heat (and, yes, I know that they also do useful computing). With the advent of the widespread virtualization based on high-performance, multi-core, multiprocessor servers, the amount of power used per square foot has risen from 25 W to 50 W...
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Five mainframe myths busted
by
Robert Crawford, Contributor
COBOL, Assembler and C++ using VSAM, DLI and DB2. Mainframe computers have come a long way since the early days, but many of the mainframe myths remain. Expert Robert Crawford sheds some light on the modern mainframe...
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