# Connect the SCADA sites to main sites

**URL:** <https://forum.inductiveautomation.com/t/connect-the-scada-sites-to-main-sites/28136>\
**Category:** Ignition\
**Created:** [September 10, 2019, 2:58pm UTC](https://forum.inductiveautomation.com/t/connect-the-scada-sites-to-main-sites/28136 "2019-09-10T14:58:58Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![ido](https://avatars.discourse-cdn.com/v4/letter/i/e274bd/32.png) [@ido](https://forum.inductiveautomation.com/u/ido)\
**Post date:** [September 10, 2019, 2:58pm UTC](https://forum.inductiveautomation.com/t/connect-the-scada-sites-to-main-sites/28136/1 "2019-09-10T14:58:58Z")

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We are trying to find a proper way to connect the SCADA sites to the main sites.  
Last time we’ve done temporary link using VSAT technology, the connection wasn’t so stable and we don’t really understand why ?

Can you tell what are the minimum link requirements, B.W Latency requirements.  
Is the a spastic Q$A requirement for the VSAT side configuration as a requirement ?

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**Author:** ![ido](https://avatars.discourse-cdn.com/v4/letter/i/e274bd/32.png) [@ido](https://forum.inductiveautomation.com/u/ido)\
**Post date:** [September 10, 2019, 5:47pm UTC](https://forum.inductiveautomation.com/t/connect-the-scada-sites-to-main-sites/28136/2 "2019-09-10T17:47:31Z")

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I need help, asap please.

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [September 10, 2019, 6:13pm UTC](https://forum.inductiveautomation.com/t/connect-the-scada-sites-to-main-sites/28136/3 "2019-09-10T18:13:21Z")

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Please provide more information about what parts are where. Lots of protocols used in SCADA systems are very sensitive to latency, and are therefore big trouble across a satellite link.

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**Author:** ![dcamp1](https://avatars.discourse-cdn.com/v4/letter/d/dc4da7/32.png) [@dcamp1](https://forum.inductiveautomation.com/u/dcamp1)\
**Post date:** [September 10, 2019, 6:55pm UTC](https://forum.inductiveautomation.com/t/connect-the-scada-sites-to-main-sites/28136/4 "2019-09-10T18:55:20Z")

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Call or email “Cirrus Link” talk with them about you needs. MQTT may be a protocol that you could use.

[Cirrus Link](https://www.cirrus-link.com/contact-us/)

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**Author:** ![PRAMANJ](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pramanj/32/66935_2.png) [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\
**Post date:** [September 11, 2019, 4:04am UTC](https://forum.inductiveautomation.com/t/connect-the-scada-sites-to-main-sites/28136/5 "2019-09-11T04:04:32Z")

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You could also look at [www.pubnub.com](http://www.pubnub.com) which allows integration of any two application over internet with a maximum latency of 500 ms for a packet of 250kb. We have developed a module to integrate ignition with other applications over internet using pub-nub in a cost effective way, please see our RM SCADA module on [www.pramanj.com](http://www.pramanj.com).