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Blog 2017-11-28T18:16:17+00:00

Performance Vision Blog

DNS series #2 : Recursive vs Iterative DNS query

Here is a second article of a series covering some important aspects about the DNS protocol to troubleshoot applications performance issues.  For various reasons (size of database, performance, redundancy, [...]

By | July 11th, 2017|Categories: Performance Troubleshooting|

Packet Loss, Retransmissions, and Duplicate Acknowledgements

This is the third article of this TCP series, covering all you need to know to troubleshoot performance problems impacting business critical applications. After considering How TCP opens and closes [...]

By | June 14th, 2017|Categories: Performance Troubleshooting|

Why is DNS used and what are the main types of DNS queries?

INTRODUCTION: Here is a first article of a series covering some important aspects to know about the DNS protocol when troubleshooting applications performance issues. First of all, let’s have a [...]

By | May 19th, 2017|Categories: Performance Troubleshooting|

How to diagnose TCP Session Closing and disconnections ?

TCP Series #2: TCP Closing a SESSION Here is a second article of a series covering all you need to know to troubleshoot performance issues impacting applications relying on the [...]

By | April 26th, 2017|Categories: Performance Troubleshooting|

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