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Agile Controller-T

Transport-Software-Defined Networking (T-SDN) is the key driver for evolution and innovation of next generation transport networks. T-SDN technology breaks through the traditional, closed architecture, and enables construction of a transport network that is more open, synergetic, and automatic. T-SDN is one of the most important features of the next-generation transport network.

The Agile Controller-T virtualizes physical devices, collects network information from NEs in real time, and uniformly controls network resources to achieve optimal network resource utilization, significantly reducing network O&M costs and facilitating development of an open ecosystem.

Key Features

  • On Demand: The bandwidth on Demand (BoD) feature helps VIP customers provision services within minutes, significantly shortening the Time-To-Market (TTM). With this feature, transport bandwidth can be adjusted in real time, preventing congestion in case of burst traffic
  • High Efficiency: Featuring a centralized and advanced algorithm, the Agile Controller-T implements centralized network management, ASON + T-SDN dual protection (increasing the rerouting success rate by 10%). IP + optical multi-layer and multi-domain centralized management enables cross-layer automatic service provisioning and service protection synergy on the IP + optical network, improving network efficiency by 40% and provisioning services in minutes
  • Open Platform: The three-layer model (device/network/service) and standard Northbound Interfaces (NBIs) are based on the YANG model, facilitating development of an open application platform and enabling users to focus on services.
  • High Availability: The Agile Controller-T has achieved carrier-class reliability (99.9999%) using local clusters, dual servers in the same city, and geographic disaster recovery. In addition, it features an in-depth security defense system with multi-layer security mechanisms.



The Agile Controller-T supports BoD, which is mainly applied to private line carrier and DCI scenarios. The Agile Controller-T also supports functions such as one-click fast service provisioning, on-demand bandwidth adjustment, and reserved service provisioning.

  • Provides transport pipes on demand and in real time, adapting to requirements on fast service provisioning
  • Adjusts bandwidth quickly in real time, achieving self-operation of private line services
  • Sets time policies, achieving scheduled service provisioning or service bandwidth adjustment

Automatic O&M

The Agile Controller-T can obtain network-wide resource information and therefore can use advanced algorithms to schedule and optimize network-wide resources, greatly simplifying O&M.

  • Centralized rerouting: The Agile Controller-T uses the advanced PCE algorithm to compute the optimal service path, improving the rerouting success rate and resource utilization
  • Survivability analysis: The Agile Controller-T supports network survivability analysis and resource warning. Users are allowed to evaluate service survivability status and resource usage status by means of simulated resource analysis (such as fiber cut). Real-time analysis, fault simulation, and warning enable proactive and automatic network O&M
  • Fiber cutover: The Agile Controller-T can obtain network-wide link and service information, find all services that traverse the specified optical fiber, migrate these services before a physical fiber cutover, and then migrate them back after the fiber cutover is completed. This significantly improves the service operation efficiency and user experience

Resource Visualization

The Agile Controller-T supports layered visualization of network-wide resources and comprehensively monitors network performance using the network-wide resource view.

  • Displays real-time status of network-wide resources and utilization of resources such as wavelengths, sub-wavelengths, and ports
  • Monitors network-wide service performance and clearly displays Key Performance Indicators (KPIs) such as service latency, packet loss ratio, and jitter.

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