﻿---
title: Advanced topics
description: Detailed guides for advanced Elastic.Ingest.Elasticsearch features. ILM and data stream lifecycle: choosing between ILM policies and serverless-compatible...
url: https://docs-v3-preview.elastic.dev/elastic-ingest-dotnet/advanced
---

# Advanced topics
Detailed guides for advanced Elastic.Ingest.Elasticsearch features.

## Topics

- [ILM and data stream lifecycle](https://docs-v3-preview.elastic.dev/elastic-ingest-dotnet/advanced/ilm-and-lifecycle): choosing between ILM policies and serverless-compatible data stream lifecycle
- [Custom strategies](https://docs-v3-preview.elastic.dev/elastic-ingest-dotnet/advanced/custom-strategies): implementing your own strategy interfaces
- [Serialization](https://docs-v3-preview.elastic.dev/elastic-ingest-dotnet/advanced/serialization): custom serialization, AOT support, and event writers