> For the complete documentation index, see [llms.txt](https://titannet.gitbook.io/titan-network-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://titannet.gitbook.io/titan-network-en/resource-network-test/operate-nodes/l1-guardian-node.md).
# L1 - Guardian Node
IDC servers of choice
**Responsibilities and Importance:**
The L1 - Guardian node is primarily responsible for IDC and stable infrastructure providers:
1. Acting as an infrastructure provider, collaborating with Validator and L2-Edge to provide high quality storage, bandwidth and compute services to customers.
2. Monitoring and evaluating the quality of service of all L2-Edge nodes as per Validator's scheduling and reporting the results to Validator.
**Online Hours:**
Must remain online throughout the day
**Node Configuration Requirements**
To ensure high performance and stability of the network, L1 nodes must meet the following configuration requirements:
* **Processor:** 16 Virtual Cores (vCPUs)
* **Memory:** 16GB
* **Storage:** 10TB
* In the current testnet, the expected usage is around 20% (1 to 2TB)
* N**etwork bandwidth:** 500 Mbps downstream, 200 Mbps upstream, fixed public IP (IDC)
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