// Module included in the following assemblies:
//
// * edge_computing/day_2_core_cnf_clusters/security/security-basics.adoc

:_mod-docs-content-type: CONCEPT
[id="security-infra_{context}"]
= Bare-metal infrastructure

[role="_abstract"]
Bare-metal infrastructure for {product-title} clusters in telco and finance industries requires specific hardware and network configurations.

Hardware requirements:: In several industries, such as telco and finance, clusters are primarily built on bare-metal hardware. This means that the {op-system-first} operating system is installed directly on the physical machines, without using virtual machines. This reduces network connectivity complexity, minimizes latency, and optimizes CPU usage for applications.

Network requirements:: Networks in these industries sometimes require much higher bandwidth compared to standard IT networks. For example, Telco networks commonly use dual-port 25 GB connections or 100 GB network interface cards (NICs) to handle massive data throughput. Security is critical, requiring encrypted connections and secure endpoints to protect sensitive personal data.
