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Boris Rogier

Boris Rogier
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Recent Posts

How to get Network Visibility for Free



Performance Vision offers end-to-end application performance analytics from the wire-data. Because we know network engineers sometime get a hard time convincing their management to invest into network visibility / NMS / Network monitoring tools, we decided to provide a version of our Wire Data analytics solution for free! 

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Topics: NPM

Are you getting the right traffic from your span?


 

There are very good reasons to go for SPAN / port mirroring to get the traffic you need to troubleshoot network and application performance.

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Topics: traffic capture, port mirroring, SPAN, data

How-To capture virtual traffic



Virtualization is widely spread and raises some new challenges for network analysis and network based APM. To analyze and troubleshoot performance degradations in application chains, which are partially or totally virtualized, you need to capture virtual traffic (i.e. traffic between virtual machines that does not go through the physical network).

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Topics: Cloud, virtual, virtual traffic, VMware, virtual data center, network analysis

SMB troubleshooting basics: anatomy of a CIFS transaction


We have noticed an increasing demand for SMB / CIFS troubleshooting. SMB/CIFS is widely used to access and store files for both user activities, and as part of application chains. It has become critical in numerous environments.

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Topics: troubleshooting, smb, cifs, packet analysis, smb transaction, cifs transaction

Key facts to know to reduce MTTR for performance degradations


Key facts, reduce MTTR for Performance DegradationsEvery organization has to handle degradations and complaints regarding IT performance.

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Topics: performance degradation, cost of degradation, mttr, common sources of degradation, timeframe diagnosis

5 things to know before you start troubleshooting SMB Performance


SMB-CIFS is a commonly used Protocol to:

  • Enable users to manipulate files
  • Allow application processes to exchange data
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Topics: APM

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