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MetaInfo and Lucent offer a software-only central console and the other components in either appliance or software form. The ApplianSys DNSBox product is appliance-only. Appliances are naturally easier to install and can be easier to maintain, especially at remote locations. The software-based approach can be attractive if you have servers with spare capacity to run DNS/DHCPservices.
A DNS/DHCP network appliance might perform faster or slower than your own hardware, depending on the vendor's design and what computers you have available for running the software. Reliability also is a major consideration when buying appliances. For example, the DNSBox systems are Linux-based appliances that boot and run from a pair of Compact Flash cards rather than a disk drive. With no moving parts and no alterable or deletable operating system files, a CF card boot enhances reliability. Performance-wise, the DNSBox 300 contains a 1-GHz Pentium III processor, 512M bytes of RAM and a 10/100M bit/sec Ethernet port. The DNSBox 100 has a 1.7-GHz Celeron processor with 512M-bytes of PC2100 DDR memory and a 10/100 Ethernet port.
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Blue Stripe Software
www.bluestripe.com/
Improving Application Performance Troubleshooting
Diagnosing why an application is slow is hard, at times taking days or weeks to isolate and resolve. This paper explains the challenges involved using current management tools, provides a 'wish list' for application management and analysis, and explains the need for an application system-wide approach that monitors entire applications, not components.
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Virtual Vigilance: Managing Application Performance in Virtual Environments
This paper highlights the impact of virtualization on application performance. "Managing Application Performance in Virtual Environments" states: "Best-in-Class organizations are predominately taking actions around improving visibility across both physical and virtual systems, assessing the business impact of application performance and understanding interdependencies of applications in virtualized environments."
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Application Service Requests: The Missing Link for Pragmatic ITSM
Forrester Research analyst Glenn O'Donnell and BlueStripe co-founder Vic Nyman discuss a breakthrough approach to application problem management. Learn the new approach for ITSM problem management, which provides: Rapid isolation of application slow-downs to specific components for quick problem resolution, 24/7 monitoring for proactive notification of potential issues before end users are impacted and much more.
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