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Extreme Networks has unveiled software for managing application performance across networks. Service Watch monitors application request and response time to determine if a problem exists in a network. The software includes a scripting language that enables users to write routines to automate alarm notification or fault correction if a problem is detected. Service Watch runs on Sun Solaris-based systems. It polls servers on an IP network by initiating "synthetic" client - request and server-response transactions.
According to Anton de Jager from Core Networks, Service Watch can spoof are HTTP, FTP, Domain Name System and Dynamic Host Configuration Protocol; mail services such as Post Office Protocol 3, Internet Message Access Protocol 4 and simple Mail Transfer Protocol; news services; and Lightweight Directory Access Protocol directory services.
"The software measures the time between request and response to determine if a problem exists, such as a busy network or a server that has been knocked offline."
"Using the scripting language, users write thresholds indicating a maximum amount of time for a response to return before networks conditions are considered problematic."
"Once this is threshold is crossed, ServiceWatch launches another script to either alert a network manager via pager, e-mail or SNMP trap, or execute routine to correct the fault, such as shutting off a server or easing network congestion by blocking certain traffic," says de Jager.
ServiceWatch also has an API that lets users add other protocols or "service types" to the monitoring process. In addition, it has an SNMP agent that enables it to share management data with platforms such as Hewlett-Packard`s Open View or Aprisma`s Spectrum enterprise managers. Because it supports standard SNMP messages and management information bases, Service watch can be used with switches from multiple vendors. Extreme Networks plans to tightly integrate ServiceWatch wit its policy-based quality-of-service and service-provisioning software, and other Extreme-specific applications. It also plans to add enterprise resource planning application "service types" to ServiceWatch so it can simulate SAP, Baan and PeopleSoft transactions.
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