Spirent Network Emulator
●The retailer formerly had MPLS WAN. They switched to SD-WAN (Dual MPLS and Internet connectivity) saving $380k per year by down-grading their 1Gb/s MPLS link to 250Mb/s.
However,the VoIP service degraded significantly after switchover due to suspected MPLS link congestion. Rather than spending $120k to upgrade the MPLS link service,they instead decided to invest in the Spirent Network Emulator.
●By creating latency and loss scenarios, they tested the VoIP Quality thus establishing loss,latency and jitter limits at which VoIP degraded.The retailer then added these numbers into their SLA with their SD-WAN provider. The SD-WAN provider entered these numbers into their‘MPLS link switchover limits’so that if latency, loss or jitter came close to the limits,non-VoIP traffic was offloaded to the Internet.
●The retailer was able to stick to the existing SD-WAN service saving them the $120k per year.
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Case Study |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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03/19 |
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Rev. B |
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262 KB |
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