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Why is retransmission representative of congestion on your network? What is its impact on user experience?

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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