Zte Corporation

Dajiang Wang

Zhenyu Wang

Jing Zhao

Zhihong Wang

Youdao Ye

Gang Lu

Qilei Wang

Xikun Yang

Xiaojian Li

Hu Shi

Weiqing Li

The present disclosure provides a service resource configuration method, including: configuring resource parameters for a service to be configured according to an action policy, calculating a timely reward in a current state, performing IV analysis according to the action policy, and ending one episode after the IV analysis is completed; calculating and updating, according to the timely reward in each state, an optimization objective policy parameter in each state; iterating a preset number of episodes to calculate and update the optimization objective policy parameter in each state; determining, according to the optimization objective policy parameter in each state in the preset number of episodes, an optimal optimization objective policy parameter in each state; and updating the action policy according to the optimal optimization objective policy parameter in each state. The present disclosure further provides a single service resource configuration apparatus, a computer device and a computer-readable medium.

Single service resource configuration method and apparatus, computer device and medium

The present disclosure provides a method for optimizing OTN resources, including: determining and creating, according to an action policy, a service to be created in a current service creation state, calculating a timely reward in the current service creation state, entering a next service creation state until an episode is ended, and calculating and updating, according to the timely reward in each service creation state, an optimized objective policy parameter in each service creation state; iterating a preset number of episodes to calculate and update the optimized objective policy parameter in each service creation state; determining, according to the optimized objective policy parameter in each service creation state in the preset number of episodes, a resultant optimized objective policy parameter in each service creation state; and updating the action policy according to the resultant optimized objective policy parameter in each service creation state.

Method for optimizing OTN resources, computer device and storage medium

The present disclosure provides a method for optimizing OTN network resources, including: determining and creating a service to be created in a current service creating state according to an action policy, calculating a timely reward, entering a next service creating state, until an Episode is finished, calculating a comprehensive optimization parameter according to the timely reward, and calculating and updating a quantization index weight vector according to the comprehensive optimization parameter, where the action policy is a probability function related to the quantization index weight vector, and the quantization index weight vector corresponds to a plurality of quantization indexes; iterating a preset number of Episodes to obtain an optimized quantization index weight vector; and updating the action policy according to the optimized quantization index weight vector. The present disclosure further provides an apparatus for optimizing OTN network resources, a computer device, and a computer-readable storage medium.

Method and apparatus for optimizing OTN network resources, computer device and storage medium

A network management and control method and system, a network system, and a storage medium are disclosed. The network management and control method may include: acquiring Digital Twin (DT) model data corresponding to physical objects in a physical network (S); generating, according to the DT model data, DT cases at different levels, wherein the levels of the DT cases correspond to levels of the physical objects, and the DT cases at different levels have a functionally collaborative relationship (S); obtaining a target analysis result according to the collaborative relationship and all the DT cases (S); and generating network configuration information according to the target analysis result, and delivering the network configuration information to the physical network so that the physical network implements network management and control according to the network configuration information (S).

Network management and control method and system, network system, and storage medium

An information processing method, a method for generating and training a module, an electronic device, and a medium are disclosed. The method for information processing may include acquiring a transmission parameter of service information in a network, where the transmission parameter is indicative of transmission performance of the service information in the network; and predicting transmission performance of the transmission parameter by means of a pre-trained network model, where the network model comprises a Graph Convolutional Network (GCN) model that is acquired according to transmission path information of the service information in the network.

Information processing method, method for generating and training module, electronic device, and medium

Provided are a method and system for implementing an SDO function, and a SDON system. The method comprises: when a service connection establishment request transmitted from an application layer is received, determining whether the service connection establishment request is a cross-domain service connection establishment request, the service connection establishment request comprising: a routing constraint of a connection to be established and a hop-by-hop tuning policy; if yes, executing a routing and tuning algorithm on the basis of inter-domain service connection establishment request information and performance information of a domain boundary optical component node in the service connection establishment request according to the routing constraint and the hop-by-hop tuning policy; generating, on the basis of the result of executing the routing and tuning algorithm, inter-domain cross-connection attribute configuration parameters of optical component nodes through which an inter-domain service connection path and an inter-domain service connection path pass.

Method and system for implementing SDO function, and SDON system

A multi-domain controller, a single-domain controller, a software defined optical network system and a method are disclosed. The multi-domain controller at least comprises a virtual network service manager arranged to: process a cross-domain or single-domain Virtual Optical Network Service (VONS) request sent from an application layer and divide the cross-domain VONS request into an inter-domain part to be processed and an intra-domain part to be processed, the intra-domain part including multiple intra-single-domain parts; the inter-domain part of the VONS request is processed by a multi-domain controller, wherein the service request for a Bandwidth On Demand (BOD) connection attribute which is included in the cross-domain VONS request is forwarded by a routing connection controller, and an Optical Virtual Private Network (OVPN) service processing, which includes establishment and deletion, is performed on the service request for an OVPN attribute which is included in the cross-domain VONS request according to the virtual network layer resources acquired.

Multi-domain controller, single-domain controller, software defined optical network system and method

Provided are a method and system for protecting virtual network mapping, and a computer storage medium; wherein the method includes that an application layer edits and defines at least one sub-network model based on a network editing request; a network virtualization layer constructs the at least one sub-network model, and integrates the at least one sub-network model into a global network view; and a controller layer respectively maps the at least one sub-network model contained in the global network view into a working device network and a protection device network, and when the working device network has failures, specified conditions are met, and the protection device network has no failure, switches a working mapping relationship of the corresponding sub-network from the working device network to the protection device network.

Method and system for virtual network mapping protection and computer storage medium

Disclosed is a multi-domain routing computation method, including: when it is determined that there are two or more domains deployed with a Path Computation Elements (PCE) in a network, a routing path is computed, between a PCE of a first domain and a PCE of a last domain among the two or more domains deployed with a PCE, using an extended Backward-Recursive PCE-Based Computation (BRPC) algorithm, and the routing path is computed using a Routing Controller (RC) in domains other than the two or more domains deployed with a PCE. Further disclosed are a multi-domain routing computation device, a path computation element and a routing network. The present disclosure can improve greatly optimality of path computation and has a fairly high efficiency for the path computation.

Multi-domain routing computation method and device, path computation element and routing network

The present invention discloses a method and a system for implementing alternative routes in optical transmission network of WSON. By using the method and the system the following alternative routes implementing process is realized: computing the alternative routes of each subsegment independently based on a constraining condition distributed by a managing plane, and combining the computed alternative routes of each subsegment to form complete alternative routes. The present method and system for implementing alternative routes is capable of obtaining more alternative routes than those of prior art, and takes full advantage of network resource topology.

Method and system for implementing alternate routes in optical transmission network of wavelength switched optical network (WSON)

A method and apparatus for acquiring a Traffic-Engineering Label Switched Path (TE LSP) provided by the present invention relate to communication field. The method includes: performing path tracing from a source node to a target node, and obtaining a passing node passed by the path tracing; acquiring a Path Compute Element (PCE) in a region in which the passing node is located; acquiring traffic-engineering database of a region in which the PCE is located from the PCE; and according to the traffic-engineering database, obtaining the TE LSP between the source node and the target node.

Method and apparatus for acquiring traffic-engineering label switched path

An automatically switched optical network includes several areas of a transmission plane and a control plane, and a method for data transmission in the network includes that when the control plane has detected at least one partition of an area separated from other partitions of the area, a route over area is realized between the separated partitions of the area by the way of virtual link in the area. When several partitions exist in a certain area of the network, which can not be connected with each other through routes within the area, and the data transmission can not be performed between these partitions, a hierarchical route in the case of the area of ASON transmission plane being parted is realized by the method, so when the several separated partitions are caused by link fault in a certain area, the hierarchical route over area can be realized for the partitions of the area.

Automatically switched optical network and method for data transmission in the network

In order to achieve the discovery and calculation of interlayer paths, a method for calculating an interlayer path is proposed by the present invention, comprising: a label switch router (LSR) of a layer selecting a path calculation element (PCE) of the layer according to the received discovery information of each PCE and sending thereto a path calculation request for the LSR, wherein the above discovery information comprises: indication information and interlayer information, with the indication information indicating whether the PCE can be used as a default interlayer path calculation element of the layer, and the interlayer information indicating a layer where the PCE is located and an adjacent layer thereof; when a path of the LSR is disconnected, selecting based on the interlayer information a path calculation element (PCE) of the next layer and sending thereto a path calculation request for the disconnected portion of the path until the path is connected; and replying a path calculation result to the PCE of the layer.

Method for calculating interlayer path

The present invention discloses a method and apparatus for implementing a K-shortest paths algorithm in a condition of multiple sides between adjacent nodes. The implementing method comprises: recording original topology information into a topology structure; adding one virtual node into each of the original sides other than the one with the shortest weight between the two nodes respectively to divide each of the original sides except for the original side with the shortest weight into two new sides, a weight of the new side being obtained by splitting a weight of the original edge where the new side locates; according to new topology information after adding virtual nodes, calculating K-shortest paths between designated nodes; and checking each path in the calculated K-shortest paths in sequence: reinstituting hops which belong to virtual nodes and new sides in each path into the original topology information recoded in said topology structure.

Growing community of inventors

Shenzhen, China

Dajiang Wang