# 400 concurrent clients

**URL:** <https://forum.inductiveautomation.com/t/400-concurrent-clients/69390>\
**Category:** Ignition\
**Created:** [February 3, 2023, 7:27am UTC](https://forum.inductiveautomation.com/t/400-concurrent-clients/69390 "2023-02-03T07:27:59Z")\
**Posts on this page:** 1\
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**Author:** ![dkhayes117](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/dkhayes117/32/68344_2.png) [@dkhayes117](https://forum.inductiveautomation.com/u/dkhayes117)\
**Post date:** [February 3, 2023, 2:34pm UTC](https://forum.inductiveautomation.com/t/400-concurrent-clients/69390/4 "2023-02-03T14:34:40Z")

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> [@Perspective versus Vision Load on Gateway](https://forum.inductiveautomation.com/t/perspective-versus-vision-load-on-gateway/26715/2):
>
> Vision over 100 clients will probably have more of a performance penalty on the gateway than Perspective, due to the less efficient polling architecture.  
> Perspective sessions, due to their backend component running on the gateway, do have a higher _initial_ penalty on the gateway (ie, 5 Vision clients are likely going to have less impact than 5 Perspective sessions) **but** Perspective sessions scale much, much better - the impact is basically linear.

Hmm, I wonder how well this response from 2019 holds up.

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