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What does DTT mean for the user’s Quality of Experience?

brogier July 19, 2010 Content in English, Network Analysis, Network Performance, Network and analysis, Performances réseaux, SecurActive Tips, Uncategorized No Comments

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DTT stands for Data Transfer Time; it represents the time required to transfer the application response over the network from the server to the client. It has a huge impact on the perception of performance of the End User.

It is one of the three main factors that impacts directly the level of satisfaction of users with regards to their access to key application:

  • RTT (Round Trip Time): how much time does it take for a packet to travel through the network from the … Continue Reading
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Why is retransmission representative of congestion on your network? What is its impact on user experience?

brogier July 19, 2010 Content in English, Network Analysis, Network Performance, Network and analysis, Performances réseaux, SecurActive Tips 2 Comments

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Context
I was recently at a customer who just installed an APS unit in their Data Center.

Their infrastructure was fairly simple:

  • they had all their production servers in the data center,
  • their users were located either in the headquarters (where the data center is located) or in one of their nearly 100 remote sites; these sites were connected to the headquarters through an MPLS network.
  • they are part of … Continue Reading
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