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Latency Issue - CPOE - A & P

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Last Post by Daniel Lifflander 10 years ago

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sholt1121

(@sholt1121)

Posts: 1

New Member

Topic starter

I am looking to get advice if possible to discuss on going and growing Assessment and Planning Latency Issue, we experience these issues in other key areas such as Orders (Multiple Labs and Referrals w/ multiple diagnosis codes and so on). We have currently 600 licensed users approx. 350 logged in at any given time. We have fiber to all our offices and this seems to be a system issue and am looking for someone who has experienced this and found resolutions and or at least a general direction. Thank you for all you help as this is a rock and a hard place scenario. I would be willing to chat via phone if anyone has the time. message me for my contact info.

Posted : March 17, 2015 5:26 am

Daniel Lifflander

(@dliff)

Posts: 15

Member Admin

Hi Shawn,

I don't have experience with Centricity specifically, but I've worked on many latency issues with realtime applications. I can suggest, in general, if the network is fast then the application has no excuse to be slow. If your users are having trouble at the remote locations, but not the main office, it may be a network issue.

To debug these issues I usually graph ping results between locations. Main -> Remote1, Main -> Remote2, Remote1 -> Remote2, etc. Watching for spikes that correspond to user complaints helps correlate the issue. I graph a normal 64 byte ping, and a larger 5000 byte packet. Sometimes networks always delivery the empty packet, but fail on the full packet. Also, the round trip times can be different. In the graphic below, the dark grey on top is ping time (ms) for the larger packet. This link is performing within tolerance, but I just want to show the larger packets can take longer.

You mentioned all connections are fiber. Are the connections from the same carrier, are you going over the Internet, routed via MPLS or VPN? Have you performed a traceroute? Another issue is watching the bandwidth, maxing out the link will cause temporary latency. A perfect storm of Pandora, Dropbox, and a Microsoft software update could max out a link's capacity. Do you have historical bandwidth graphs?

/NateK

Posted : March 17, 2015 2:16 pm

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