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Archives for Case Studies

Sharepoint Roll-out

When major financial institution Co-operative bank, formerly PSIS, deployed a new application using SharePoint, end users experienced very slow response times with both the new application and other network-based services. Users frustration levels were high, productivity was reduced and there was a general perception that the application wasn’t delivering as expected. We were called in to review the network and recommend a solution. Our initial diagnosis showed that the new application had created significantly more network traffic resulting in some routers running at 100% CPU utilisatio ...

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Videoconferencing failures

With multiple campuses around New Zealand, Massey University uses in-house videoconferencing services to conduct virtual meetings and distance teaching. This helps them avoid both travel costs and non-productive travelling time. The system can make use of both their IP network and New Zealand’s advanced research network, KAREN, for inter-site bandwidth allowing them to optimise their telecommunications costs when holding a videoconference. Massey’s IT department asked us diagnose a problem when the system developed an intermittent fault that the incumbent network integrator was una ...

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Contact Centre Voice Quality

A tertiary education provider operates an IP Telephony-based contact centre for thousands of students. Since migration to this system, students began to complain about poor voice quality - a problem which the system integrator could not solve. When asked to perform an independent analysis, Pentech found that the network switches that provide LAN aggregation did not have Quality of Service (QoS) configured correctly. This meant that during times of peak network traffic, the IP Telephony packets could be delayed or even dropped by the network resulting in poor voice quality. When we configured t ...

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Budget Constraints

A government department operates an IP network that provides mission-critical connectivity. The network had been well-designed and maintained but organic growth and ageing equipment meant that some parts of the network needed to be upgraded to support new communications technology and security requirements and to ensure continued manufacturer support. In this case, time spent optimising the network would be unlikely to provide an ROI and the least risk option would be to upgrade key routers. Unfortunately the upgrade cycle coincided with government requests to reduce costs. ...

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