---
title: "Topology migration without losing messages"
description: "How can you migrate a topology while checking losses and duplicates?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T20.10/"
topicId: "T20.10"
---

> Coming soon — this article is being prepared. Below are its question, intended outcome, and place in the story.

## The question

How can you migrate a topology while checking losses and duplicates?

## What we will work through

Migrate a topology while checking losses and duplicates.

## Before you begin

Previously covered: Bindings and topology design; Redelivery and consumer idempotency.

- [Bindings and topology design](/en/articles/topics/T19.05/)
- [Redelivery and consumer idempotency](/en/articles/topics/T20.02/)