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General| Operating System | Cisco IOS XR |
|---|---|
| Architecture | Microkernel |
| High Availability | Yes |
| Type | Network operating system |
| Developed by | Cisco Systems |
| License | Proprietary |
| Programming Language | C, C++ |
| Kernel | QNX |
| Supported Platforms | Cisco ASR9000, NCS series |
| Security Features | Role-Based Access Control (RBAC), Secure Boot, Encryption |
| Management Interface | CLI, SNMP, NETCONF, RESTCONF |
| Release Date | 2004 |
| Target Devices | High-end core routers, service provider edge routers, data center interconnect (DCI) routers |
| Supported Hardware | Cisco routers and switches |
| Networking Protocols | BGP, OSPF, IS-IS, MPLS |
| Virtualization Support | Virtualization-ready, supports network function virtualization (NFV) and containerization technologies. |
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