# Enquiry on Indexing into ECE and Docker Version

**URL:** <https://discuss.elastic.co/t/enquiry-on-indexing-into-ece-and-docker-version/128496>\
**Category:** Elastic Cloud Enterprise (ECE)\
**Created:** [April 18, 2018, 9:38am UTC](https://discuss.elastic.co/t/enquiry-on-indexing-into-ece-and-docker-version/128496 "2018-04-18T09:38:33Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Ong](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ong/32/40766_2.png) [@Ong](https://discuss.elastic.co/u/Ong)\
**Post date:** [April 18, 2018, 9:38am UTC](https://discuss.elastic.co/t/enquiry-on-indexing-into-ece-and-docker-version/128496/1 "2018-04-18T09:38:33Z")

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I have 2 questions regarding the Elastic Cloud Enterprise.

When indexing documents into a cluster in ECE, does the client application send the data to the proxy or directly to the ES node within the allocators?

Besides Docker version 1.11, does ECE install on newer versions of docker (e.g. the latest version 18.03) ?

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**Author:** ![uricohen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/uricohen/32/9776_2.png) [@uricohen](https://discuss.elastic.co/u/uricohen)\
**Post date:** [April 18, 2018, 10:20am UTC](https://discuss.elastic.co/t/enquiry-on-indexing-into-ece-and-docker-version/128496/2 "2018-04-18T10:20:11Z")

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Hi @Ong

> When indexing documents into a cluster in ECE, does the client application send the data to the proxy or directly to the ES node within the allocators?

All traffic to clusters goes through the proxy.

> Besides Docker version 1.11, does ECE install on newer versions of docker (e.g. the latest version 18.03) ?

We're currently certifying a few newer Docker versions, stay tuned.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 2, 2018, 10:20am UTC](https://discuss.elastic.co/t/enquiry-on-indexing-into-ece-and-docker-version/128496/3 "2018-05-02T10:20:33Z")

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