We started using NPA for our Radiologists; they connect from home [1Gb ISP connection] via NPA [two publishers] to our on prem PACS system.
PACS studies/Images are pretty big, some studies are 2 GB+ in size. We are on 220.127.116.1194 for the publisher and per the release notes, this version supports peak throughput of 500 Mbps. But unfortunately we are not seeing that.
In testing the Peak, we notice is only ~120Mbps. We have set up a speedtest docker container just for this purpose and published it through NPA.
Wondering if anyone has thoughts on how to increase the throughput so the images load faster as some of our rads reported slowness in loading the studies.
I'm on a 1gb/1gb Verizon FiOS circuit. Located in Boston - using NYC gateway. I just ran the following tests to my OpenSpeedTest server:
Connected to 5Ghz wifi (router fairly close)
NPA Download: 131Mbps
NPA Upload: 227Mbps
Disabled NPA, Connected to VPN: Download 193Mbps
Disabled NPA, Connected to VPN: Upload 390Mbps
Hardwired to router
NPA Download: 76Mbps
NPA Upload: 120Mbps
Hi figured I would give you more data.
- Home (1gbps download/150mb upload)
- to/from one of the two NPA Publishers in Azure.
- NPA v18.104.22.168
- Client v22.214.171.1240
- NPA Gateway 126.96.36.199 (CA-YYZ1 Toronto).
Just did home to internal network SMB:
- Pulled a 1.4GB file between 120-180mbps
- Uploaded a 4GB file between between 100-150mbps (upload being the limited factor)
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