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Host network driver

Meghasharmaa
5 min readApr 1, 2024

The Host network driver in Docker is a networking mode that allows containers to directly use the networking stack of the Docker host machine. When a container is run with the Host network driver, it bypasses Docker’s network abstraction layer and gains direct access to the host’s network interfaces, routing table, and ports. This means that the container shares the same network namespace as the host, using the host’s IP address and network configuration.

If you use the host network mode for a container, that container's network stack isn't isolated from the Docker host (the container shares the host's networking namespace), and the container doesn't get its own IP-address allocated. For instance, if you run a container which binds to port 80 and you use host networking, the container's application is available on port 80 on the host's IP address.

👉Use cases:

Host mode networking in Docker can be beneficial for several use cases where direct access to the host’s networking stack is required. Here are some scenarios where host mode networking can be useful:

  1. High-Performance Applications: Host mode networking is ideal for applications that demand maximum network performance and low latency. By bypassing Docker’s networking abstraction layer, containers can achieve better throughput and reduced overhead, making it suitable for…

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Meghasharmaa
Meghasharmaa

Written by Meghasharmaa

DevOps Architect | AWS | Docker | Kubernetes | Terraform | Google Cloud | Python

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