# Reference architecture

> Appliance sizing and architecture guidance for OneFuse

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Site [llms.txt](/llms.txt)

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OneFuse and CloudBolt CMP are deployed together on the same CloudBolt appliance. Refer to the CloudBolt CMP documentation for appliance architecture details:

- **[CloudBolt appliance reference architecture](/docs/cmp/system-architecture/)**: overall appliance design
- **[Appliance security](/docs/cmp/system-architecture/appliance-security/)**: security hardening guidance
- **[Hardware guidelines](/docs/cmp/system-architecture/hardware-guidelines/)**: CPU, memory, and storage sizing recommendations
- **[Network connectivity](/docs/cmp/system-architecture/network-connectivity/)**: required network ports and connectivity
- **SSL with External PostgreSQL**: configuring SSL when using an external database