# The Adventures of Rendezvous in Heroku's New Architecture

DevFeed: [The Adventures of Rendezvous in Heroku's New Architecture](<https://devfeed.tech/articles/the-adventures-of-rendezvous-in-heroku-s-new-architecture-26365.md>)

Original publisher: [Read original article](<https://www.heroku.com/blog/adventures-of-rendevous/>)

Author: Ethan Limchayseng

Published: 2022-01-19T23:00:00Z

Content type: article

Language: en

Sources: [Heroku](<https://devfeed.tech/sources/heroku.md>)

Topics: [Heroku](<https://devfeed.tech/topics/heroku.md>), [Amazon EC2](<https://devfeed.tech/topics/amazon-ec2.md>), [networking](<https://devfeed.tech/topics/networking.md>), [VPC](<https://devfeed.tech/topics/vpc.md>), [Ruby](<https://devfeed.tech/topics/ruby.md>), [TLS (Transport Layer Security)](<https://devfeed.tech/topics/tls.md>), [API](<https://devfeed.tech/topics/api.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [aws](<https://devfeed.tech/tags/aws.md>), [cloud-infrastructure](<https://devfeed.tech/tags/cloud-infrastructure.md>), [ec2](<https://devfeed.tech/tags/ec2.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [heroku](<https://devfeed.tech/tags/heroku.md>), [networking](<https://devfeed.tech/tags/networking.md>), [ruby](<https://devfeed.tech/tags/ruby.md>), [security](<https://devfeed.tech/tags/security.md>), [server](<https://devfeed.tech/tags/server.md>), [tls](<https://devfeed.tech/tags/tls.md>), [vpc](<https://devfeed.tech/tags/vpc.md>)

## AI overview

A Heroku engineering article describes a customer-use-case failure during the migration of Rendezvous, a bidirectional proxy server used for Heroku Run sessions and one-off dynos, from EC2 Classic to a new EC2-based architecture. It outlines the investigation and fix at a high level.

## Source excerpt

This article was originally authored by Srinath Ananthakrishnan, an engineer on the Heroku Runtime Networking Team Summary This following story outlines a recent issue we saw with migrating one of our internal systems over to a new EC2 substrate and in the process breaking one of our customer's use cases. We also outline how we [...] The post The Adventures of Rendezvous in Heroku's New Architecture appeared first on Heroku.