# Communication between SDK and controller

**URL:** <https://openziti.discourse.group/t/communication-between-sdk-and-controller/5302>\
**Category:** SDK Questions\
**Created:** [November 4, 2025, 5:06am UTC](https://openziti.discourse.group/t/communication-between-sdk-and-controller/5302 "2025-11-04T05:06:34Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![alleniverson33](https://yyz2.discourse-cdn.com/free1/user_avatar/openziti.discourse.group/alleniverson33/32/3031_2.png) [@alleniverson33](https://openziti.discourse.group/u/alleniverson33)\
**Post date:** [November 4, 2025, 5:06am UTC](https://openziti.discourse.group/t/communication-between-sdk-and-controller/5302/1 "2025-11-04T05:06:34Z")

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What I want to know is how openziti knows the online status of its identity

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**Author:** ![ekoby](https://yyz2.discourse-cdn.com/free1/user_avatar/openziti.discourse.group/ekoby/32/14_2.png) [@ekoby](https://openziti.discourse.group/u/ekoby)\
**Post date:** [November 4, 2025, 12:14pm UTC](https://openziti.discourse.group/t/communication-between-sdk-and-controller/5302/2 "2025-11-04T12:14:47Z")

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Identity is considered online if it has one or more connections to edge routers

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**Author:** ![alleniverson33](https://yyz2.discourse-cdn.com/free1/user_avatar/openziti.discourse.group/alleniverson33/32/3031_2.png) [@alleniverson33](https://openziti.discourse.group/u/alleniverson33)\
**Post date:** [November 5, 2025, 2:02am UTC](https://openziti.discourse.group/t/communication-between-sdk-and-controller/5302/3 "2025-11-05T02:02:54Z")

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Is the identity itself reporting its own status to the controller or is the edge router reporting the identity status to the controller

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**Author:** ![ekoby](https://yyz2.discourse-cdn.com/free1/user_avatar/openziti.discourse.group/ekoby/32/14_2.png) [@ekoby](https://openziti.discourse.group/u/ekoby)\
**Post date:** [November 5, 2025, 1:20pm UTC](https://openziti.discourse.group/t/communication-between-sdk-and-controller/5302/4 "2025-11-05T13:20:55Z")

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Edge routers do that

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**Author:** ![alleniverson33](https://yyz2.discourse-cdn.com/free1/user_avatar/openziti.discourse.group/alleniverson33/32/3031_2.png) [@alleniverson33](https://openziti.discourse.group/u/alleniverson33)\
**Post date:** [November 6, 2025, 12:42am UTC](https://openziti.discourse.group/t/communication-between-sdk-and-controller/5302/5 "2025-11-06T00:42:17Z")

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Thank you for your reply