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# Deployment strategies
Netdata can be used to monitor all kinds of infrastructure, from stand-alone tiny IoT devices to complex hybrid setups
combining on-premise and cloud infrastructure, mixing bare-metal servers, virtual machines and containers.
There are 3 components to structure your Netdata ecosystem:
1. **Netdata Agents**
To monitor the physical or virtual nodes of your infrastructure, including all applications and containers running on them.
Netdata Agents are Open-Source, licensed under GPL v3+.
2. **Netdata Parents**
To create data centralization points within your infrastructure, to offload Netdata Agents functions from your production
systems, to provide high-availability of your data, increased data retention and isolation of your nodes.
Netdata Parents are implemented using the Netdata Agent software. Any Netdata Agent can be an Agent for a node and a Parent
for other Agents, at the same time.
It is recommended to set up multiple Netdata Parents. They will all seamlessly be integrated by Netdata Cloud into one monitoring solution.
3. **Netdata Cloud**
Our SaaS, combining all your infrastructure, all your Netdata Agents and Parents, into one uniform, distributed, infinitely
scalable, monitoring database, offering advanced data slicing and dicing capabilities, custom dashboards, advanced troubleshooting
tools, user management, centralized management of alerts, and more.
The Netdata Agent is a highly modular software piece, providing data collection via numerous plugins, an in-house crafted time-series
database, a query engine, health monitoring and alerts, machine learning and anomaly detection, metrics exporting to third party systems.
To help our users have a complete experience of Netdata when they install it for the first time, a Netdata Agent with default configuration
is a complete monitoring solution out of the box, having all these features enabled and available.
We strongly recommend the following configuration changes for production deployments:
1. Understand Netdata's [security and privacy design](https://github.com/netdata/netdata/blob/master/docs/netdata-security.md) and
[secure your nodes](https://github.com/netdata/netdata/blob/master/docs/category-overview-pages/secure-nodes.md)
To safeguard your infrastructure and comply with your organization's security policies.
2. Set up [streaming and replication](https://github.com/netdata/netdata/blob/master/streaming/README.md) to:
- Offload Netdata Agents running on production systems and free system resources for the production applications running on them.
- Isolate production systems from the rest of the world and improve security.
- Increase data retention.
- Make your data highly available.
3. [Optimize the Netdata Agents system utilization and performance](https://github.com/netdata/netdata/edit/master/docs/guides/configure/performance.md)
To save valuable system resources, especially when running on weak IoT devices.
We also suggest that you:
1. [Use Netdata Cloud to access the dashboards](https://github.com/netdata/netdata/blob/master/docs/quickstart/infrastructure.md)
For increased security, user management and access to our latest tools for advanced dashboarding and troubleshooting.
2. [Change how long Netdata stores metrics](https://github.com/netdata/netdata/blob/master/docs/store/change-metrics-storage.md)
To control Netdata's memory use, when you have a lot of ephemeral metrics.
3. [Use host labels](https://github.com/netdata/netdata/blob/master/docs/guides/using-host-labels.md)
To organize systems, metrics, and alarms.
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