# I had a few months Experience with across Agent deploys remotegraph calls - old/new dist runtime architecture

**URL:** <https://forum.langchain.com/t/i-had-a-few-months-experience-with-across-agent-deploys-remotegraph-calls-old-new-dist-runtime-architecture/3424>\
**Category:** Deployment\
**Created:** [April 16, 2026, 4:17pm UTC](https://forum.langchain.com/t/i-had-a-few-months-experience-with-across-agent-deploys-remotegraph-calls-old-new-dist-runtime-architecture/3424 "2026-04-16T16:17:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![johnda98](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.langchain.com/johnda98/32/1231_2.png) [@johnda98](https://forum.langchain.com/u/johnda98)\
**Post date:** [April 16, 2026, 4:17pm UTC](https://forum.langchain.com/t/i-had-a-few-months-experience-with-across-agent-deploys-remotegraph-calls-old-new-dist-runtime-architecture/3424/1 "2026-04-16T16:17:41Z")

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I had a few months Experience with across Agent deploys remotegraph calls - old/new dist runtime architecture

Can help if anyone has issue.

We did resolve the challenges with architectural changes.. but kept our RAG tool access and even older MCP access - but simplified the Agent to Sub-Agent map