Why Performance Vision ?
G. Willème: “When we first looked at Performance Vision, we were receiving complaints from our end users with regards to the “network’s availability”. The information provided to our helpdesk by the users was not sufficient to determine if we were dealing with a WAN bandwidth congestion, a Citrix response time issue or a performance degradation of our applications. In fact, we did not have a real time overview of the status of the network and were not able to know who is using bandwidth, for what purpose and therefore unable to quickly adjust the bandwidth available on our private network.”
How we use Performance Vision ?
G. Willème: “Our use of Performance Vision goes beyond the scope initially defined.
On top of troubleshooting performance degradations and other operational issues, we are able to:
- Automatically provide a status report of the network (retransmission rates, congestion, latency)
- Measure application performance for our critical applications (measurement of the end user experience on our Citrix farm for our business critical applications), as well as our intranet and CRM (web application).
This allows us to proactively detect performance problems or to precisely identify the anomalies of our servers.
We were also able to monitor the performance of one of our database servers at the SQL query level (via packet captures and ex post analysis): we were able to fix the problem very easily without using a DBA (NB: we do not have that type of skills internally).”
After a few months of use, what are the conclusions you draw out of Performance Vision?
G. Willème: “In general, Performance Vision is a solution which requires little configuration work and provides a lot of relevant information.
As far as Vinci Immobilier is concerned, we have approximately 15 critical applications – including 6 closely monitored by Performance Vision, 80 servers and 15 branches connected by various means (fiber, ADSL, VPN link).
After a few hours of configuration only, we had a complete status report every two hours for the network and the user experience of our 6 critical applications. The next steps consist in an integration of Performance Vision’s data in our Nagios monitoring platform to be alerted in real time, as well as adding a probe to monitor our internet gateway and our critical SQL servers. This would allow us to have a comprehensive reporting.”
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