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Agile Controller-DCN

Huawei’s CloudFabric Solution to provide customers with simplified network deployment, intelligent network O&M, ultra-broadband interconnection, and open ecosystem for next-generation data center networks, supporting high-speed development of enterprise cloud services.

The Agile Controller-DCN is the core component of the Huawei CloudFabric Solution. The Controller implements unified control and dynamic scheduling of network resources to rapidly deploy cloud services.

The Agile Controller-DCN uses an open architecture and provides various standard interfaces. It supports interconnection with mainstream OpenStack cloud platforms in the northbound, and supports physical and virtual network devices such as physical switches, virtual switches, and firewalls in the southbound. The Controller receives user-centered service requirements through the northbound interface, converts the requirements into network configuration and batch delivery, and implements network automation. When there is no cloud platform, the Agile Controller-DCN provides an independent service provisioning GUI.

The Agile Controller-DCN provides highly reliable cluster capabilities. The system processes southbound and northbound services in load balancing mode. In addition, the Controller can be deployed in active/standby mode to implement remote disaster recovery, meeting the high reliability requirements of data center services.



Feature Description
Zero-Touch Provisioning • Automatically identifies and manages network devices to implement automatic deployment of underlay networks.
Network Service Provisioning • Supports interconnection with the mainstream cloud platform OpenStack or third-party applications from Layer 2 to Layer 7. The cloud platform or third-party applications invoke the standard interfaces to provision network services.
• Supports independent network service provisioning (including association with computing platforms) to implement automatic network deployment.
Fabric Management • Uses the standard VXLAN protocol to implement automatic network deployment, including VXLAN protocol encapsulation. The Agile Controller-DCN also supports VXLAN Layer 2 and Layer 3 interconnection and interconnection between VXLAN and traditional networks.
• Supports various VXLAN networking scenarios and management and control of software and hardware network devices.
• It also allows hybrid access of multiple types of terminals such as physical servers, VMs, and bare metal servers in different scenarios.
Service Function Chain • Supports the IETF-based SFC model and adopts PBR or NSH as traffic diversion technologies to guide the service traffic to different nodes for service processing. In this way, the topology-independent SFC function with graphical orchestration and automatic configuration is implemented.
• Provides VAS services, including security policy, NAT, and IPSec VPN.
Network Security • Supports microsegmentation and implements security isolation based on refined groups, such as subnets, IP addresses, VM names, host names.
• Supports role-based access control to implement isolation between multiple tenants and management of multiple users' accounts and rights.
• Supports password-based local authentication and security authentication, such as RADIUS and AD.
O&M and Fault Location • Supports monitoring of physical, logical, and tenant resources.
• Supports visibility of the application, logical, and physical network topologies. Mappings from the application to logical topology, and from the logical topology to physical topology can also be displayed.
• Displays forwarding paths of VTEPs and VMs in VXLAN scenarios, implementing precise location from the logical network to the physical network.
• Supports intelligent loop detection and provides one-click repair.
• Supports detection of Layer 2 or Layer 3 network connectivity between VMs, as well as between VMs and external networks, through IP Ping and MAC Ping, helping administrators quickly rectify faults.
• Supports traffic mirroring (traffic on VMs or bare metals can be mirrored to remote addresses through GRE tunnels).
Reliability • Adopts distributed cluster deployment. A single cluster supports a maximum of 128 member nodes. The service control node supports dynamic expansion without service interruption.
• Supports deployment of cluster members in the same Layer 2 network or across a Layer 3 network as long as routes between cluster members are reachable.
• Load balances the northbound cloud platform API requests or web access to different controller nodes.
• Supports southbound load balancing capability. Devices on the entire network are evenly distributed for management by different controller nodes. If a fault occurs on one of the controller nodes, the network devices managed by it can be smoothly switched to other normal nodes to avoid service interruption.
• Supports active/standby mode to implement highly reliable remote disaster recovery.
Openness • Based on ONOS and compatible with ODL architecture.
• Supports northbound interfaces such as RESTful, RestConf, WebService, and Syslog from Layer 2 to Layer 7. Supports interconnection with the mainstream OpenStack platform (standard OpenStack, Red Hat, Mirantis, and UnitedStack) with Neutron plug in.
• Supports interconnection with physical and virtual network devices using southbound protocols, such as SNMP, NETCONF, OpenFlow (1.3/1.4), OVSDB, JSON-RPC, and sFlow.
• Supports interconnection with a computing resource management system, such as VMware vCenter and Microsoft System Center, for collaboration with network and computing resources.
Management Capacity and Performance Single-node cluster configuration
• Number of managed physical network devices: 600
• Number of managed physical servers: 3,000
• Number of managed VMs: 60,000
Typical configuration: Three nodes
• Number of managed physical network devices: 1,800
• Number of managed physical servers: 9,000
• Number of managed VMs: 180,000
• VM online rate: 200 per second
Typical configuration: Five nodes
• Number of managed physical network devices: 3,000
• Number of managed physical servers: 15,000
• Number of managed VMs: 300,000
• VM online rate: 350 per second

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