CN106533765B - A kind of SNMP Simulator design method and device based on XML - Google Patents
A kind of SNMP Simulator design method and device based on XML Download PDFInfo
- Publication number
- CN106533765B CN106533765B CN201611036257.8A CN201611036257A CN106533765B CN 106533765 B CN106533765 B CN 106533765B CN 201611036257 A CN201611036257 A CN 201611036257A CN 106533765 B CN106533765 B CN 106533765B
- Authority
- CN
- China
- Prior art keywords
- node
- simulator
- mib
- snmp
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0213—Standardised network management protocols, e.g. simple network management protocol [SNMP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
- H04L41/0266—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols using meta-data, objects or commands for formatting management information, e.g. using eXtensible markup language [XML]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer And Data Communications (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention relates to field of network management, in view of the problems of the existing technology, provide SNMP Simulator design method and device.The technology is utilized in network management system, be can solve the awkward situation of no test equipment, is provided test equipment object for the unit testing link in network management continuous integrating；SnmpsAgent of the present invention calls MOGroup to simulate specific node, that is MOGroup obtains MIB nodal information and data information by the corresponding file content in path that DataXmlService parses MIB node and data XML file, then MOGroup calls Snmp4J-Agent to simulate specific node, and executing this step for each node circulation can be completed the simulation of single virtual equipment；Multiple SNMP simulator simulation steps simulate the simulation that specific node step completes each virtual unit one by one by circulation execution simulator initialization step and SNMP simulator.
Description
Technical field
The present invention relates to field of network management, more particularly, to a kind of SNMP Simulator design method and dress based on XML
It sets.
Background technique
Traditional network management system is all direct access real equipment during early development and later maintenance, this is for setting
This will not become bottleneck for the enterprise of standby resource abundance and network management environment opposing open；But for some small enterprises
For industry, device resource may just seem very rare, while research and develop network also relative closure, then be likely to occur developing
Cheng Zhongwu equipment be supplied to network management research staff test use, while when network management system existing network environment when something goes wrong, just very
Research staff may have to be arranged to live positioning analysis problem, this can bring about very big cost for small enterprise and throws
Enter.Say that the debud mode of direct access equipment relies on by force device resource from the debugging angle in R&D process, when do not have equipment or
When person is for upgrading the device version used, debugging efforts must just suspend, and waiting facilities resource could continue after in place, with regard to this
A little either for all inevitable problem of large enterprises or small enterprise and unacceptable problem.So needing one
This predicament can be broken or be alleviated to kind technology, reduce cost as far as possible, delivery risk is reduced as far as possible.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the problems of the existing technology, providing a kind of based on XML's
SNMP Simulator design method and device.The present invention reaches by simulating multiple MIB nodes and meets different equipment access need
It asks, realizing can achieve the effect that access real equipment by accessing simulator, while support simulation multiple equipment.In network management
The technology is utilized in system, can solve the awkward situation of no test equipment, facilitates in development process from surveying, is network management continuous integrating
In unit testing link provide test equipment object；Research staff, which is in, can be remotely located Network Management Equipment problem；By matching
Different SNMP node file and the IP/PORT information for access are set, it can be simultaneously without restarting simulator program back and forth
Simulate the SNMP access ability of multiple equipment.
The technical solution adopted by the invention is as follows:
A kind of SNMP Simulator design method based on XML includes:
XML file obtaining step obtains the n MIB node and data XML file of the network equipment being modeled；It is described
MIB node and data XML file include MIB node definition and corresponding data information；
Virtual unit profile information step defines the information of the virtual unit for the virtual unit that n are modeled respectively；
Simulator initialization step, SnmpsAgent are visited by obtaining one of virtual unit profile information step
Ask the path of IP address, corresponding SNMP port address, equipment access protocol type and MIB node and data XML file
Initialize a simulator entity object；SnmpsAgent is inherited in third party's open source component Snmp4J-Agent
VariableProvider interface；
SNMP simulator simulates specific node step, and SnmpsAgent calls MOGroup to simulate specific node, i.e.,
MOGroup is obtained by the corresponding file content in path that DataXmlService parses MIB node and data XML file
MIB nodal information and data information, then MOGroup calls Snmp4J-Agent to simulate specific node, for each section
Dot cycle, which executes this step, can be completed the simulation of single virtual equipment.
Multiple SNMP simulator simulation steps execute simulator initialization step and SNMP simulator simulation tool by circulation
Body node step completes the simulation of each virtual unit one by one.
Further, the n is more than or equal to 1.
Further, the MIB node and data XML file include scalar sum table MIB node；MOGroup is responsible for
The simulation of specific scalar or table MIB node.
Further, the virtual device information includes the IP address of virtual unit, the port SNMP, equipment access protocol class
The path of type, MIB node and data XML file.
A kind of SNMP Simulator design device based on XML includes:
XML file obtains module, obtains the n MIB node and data XML file of the network equipment being modeled；It is described
MIB node and data XML file include MIB node definition and corresponding data information；
Virtual unit profile information module defines the virtual device information for the virtual unit that n are modeled respectively；
Simulator initialization module, SnmpsAgent are visited by obtaining one of virtual unit profile information module
Ask the path of IP address, corresponding SNMP port address, equipment access protocol type and MIB node and data XML file
Initialize a simulator entity object；SnmpsAgent is inherited in third party's open source component Snmp4J-Agent
VariableProvider interface；
SNMP simulator simulates specific node module, and SnmpsAgent calls MOGroup to simulate specific node, i.e.,
MOGroup is obtained by the corresponding file content in path that DataXmlService parses MIB node and data XML file
MIB nodal information and data information, then MOGroup calls Snmp4J-Agent to simulate specific node, for each section
Dot cycle, which executes this module, can be completed the simulation of single virtual equipment.
Multiple SNMP simulator analog modules execute simulator initialization module and SNMP simulator simulation tool by circulation
Body segment point module completes the simulation of each virtual unit one by one.
Further, the n is more than or equal to 1.
Further, the MIB node and data XML file include scalar sum table MIB node；MOGroup is responsible for
The simulation of specific scalar or table MIB node.
Further, the virtual device information include the access IP address of the network equipment, corresponding SNMP port address,
The path of equipment access protocol type, MIB node and data XML file.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The present invention is based on the technologies such as XML, SNMP4J, while also relying on JAVA Open Framework SNMP4J-Agent.Pass through
To MIB node to be simulated and the design of data XML file, the XML file design for supporting simulation multiple equipment is needed, utilize
Snmp4J-Agent realizes the access ability of the SNMP of simulation individual equipment, decouples network management system and equipment as much as possible.
Simulator is accessed as the effect for accessing real equipment, such research staff rapidly can debug and position
Problem provides the device resource of sustainable access for the unit testing link in network management system continuous integrating, real equipment is allowed to provide
Source is fully utilized.Only it just can be carried out debugging efforts in the specific situation of MIB node simultaneously, set without waiting again
Standby debugging.It is last only to need primary configuration, it can achieve the effect that permanently to use.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is that the present invention realizes class figure.
Fig. 2 is present invention operation timing diagram.
Fig. 3 is the nodes X ML file of one embodiment of the invention configuration.
Fig. 4 is one embodiment of the invention configuration file.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
Related description of the present invention:
1, the n nodes X ML file that XML file obtaining step obtains the network equipment being modeled passes through customized or logical
Crossing application number is 201610715436.8, and title is: side described in " a kind of MIB data grab method based on XML technology "
Method obtains nodes X ML file.
2, the agent in Fig. 1.XML refers to the program file of Fig. 4；Datafile in Fig. 1.Xml is referred in Fig. 3
Program file；
Working principle of the present invention:
1, MIB node and data file, it is responsible to define the MIB nodal information being modeled, while also including each node
Corresponding value.
2, virtual unit configuration file, the port IP, SNMP comprising virtual unit, virtual unit access protocol type, MIB
Node and data file path.
3, simulator initialization only need the port IP, SNMP of virtual unit, equipment access protocol type, MIB node with
And data file path, do not need the content for specifically perceiving corresponding MIB node and data file.
4, single simulator simulates specific node, and SnmpsAgent calls MOGroup, and MOGroup needs to call
DataXmlService parses the MIB node and data of corresponding MIB node and data file configuration, while according to specific
The definition of each node and other interfaces of data call Snmp4J-Agent simulate individual node；
5, the simulation of multiple virtual units be according to the IP of each virtual unit, port, equipment access protocol type and
Corresponding MIB node and data file path message loop call simulator initialization and simulate specific node to complete.
Technical solution:
1) the n MIB node and data XML file (Fig. 3 of the network equipment being modeled XML file obtaining step: are obtained
This program file)；The MIB node and data XML file include MIB node definition and corresponding data information；
2) virtual unit profile information step: the access IP address (figure for the virtual unit that n are modeled is defined respectively
" 172.16.1.17 " in " address=" udp:172.16.1.17/161 in 4 "), corresponding SNMP port address is (in Fig. 4
" 161 " in " address=" udp:172.16.1.17/161 "), equipment access protocol type (" type " in Fig. 4), MIB
The path (two " datafile " in Fig. 4) of node and data XML file, each virtual corresponding MIB section of equipment
The path of point and data XML file；
3) simulator initialization step: SnmpsAgent passes through one of acquisition virtual unit profile information step
Access the road of IP address, corresponding SNMP port address, equipment access protocol type and MIB node and data XML file
Diameter initializes a simulator entity object；SnmpsAgent is inherited in third party's open source component Snmp4J-Agent
VariableProvider interface；
4) SNMP simulator simulates specific node step: SnmpsAgent calls MOGroup to simulate specific node, i.e.,
MOGroup is obtained by the corresponding file content in path that DataXmlService parses MIB node and data XML file
MIB nodal information and data information, then MOGroup calls Snmp4J-Agent to simulate specific node, for each section
Dot cycle, which executes this step, can be completed the simulation of single virtual equipment.
5) multiple SNMP simulator simulation steps: simulator initialization step is executed by circulation and SNMP simulator is simulated
Specific node step completes the simulation of each virtual unit one by one.
Specially 1) in XML file obtaining step: the node letter for the network equipment that this nodes X ML document definition is modeled
Breath description and corresponding data, this file are the data foundations of SNMP simulator, and SNMP simulator program is by loading this section
Node and node data in point XML file information energy simulation files.This MIB node and data XML file can be base
A kind of MIB node in patent " MIB data grab method based on XML technology " is as the design of data XML file, simultaneously
The node data in MIB node and data XML file in SNMP simulator can also be taking human as filling in or change manually.Manually
Filling in or changing is when there is no when not issuing also for the equipment or device version of scanning, so that it may pass through manual configuration section
The data of point can achieve the effect that simulate real equipment.The design of XML file is substantially described again herein under.
MIB node and data XML definition file contain scalar sum table node, and wherein scalar node attribute includes node
Whether value node type (SNMP type of foundation), is 16 systems, access limit (read-write, read-only, read-write can simultaneously create)；Table
Node includes the entry node of some Table, is indexed as IndexCols, and index can be combined index, and cols definition needs
The column of simulation configure, and wherein the index node of table must configure.Only need need to node to be simulated be configured to it is corresponding
XML node or attribute.For scalar, the value of simulation is the value in scalar node, and Table node mould
Quasi- data tissue in the way of data- > row- > col, data and row, row and col are one-to-many relationship, wherein
With " " connection between multiple indexes.What the child node of data node configured is a data in Table node, row generation
Table data line, indexCol represent the index of this row data.The major key of similar database, col represent non-index field column
Value, and colId is consistent with the colId in definition node attribute col.Wherein individual node data are used![CDATA] is included
Get up is in order to which the XML file for having spcial character when parsing (for example parses successfully just when node data includes "/> " in XML
Can malfunction) when still be able to normally parse.
2) simulation multiple equipment XML configuration file design
Multiple virtual units are once simulated in the invention support, and the virtual unit of each simulation corresponds to a data XML file,
Address between multiple virtual units and port cannot simultaneously as.Simulator program parses which needs simulate according to this XML
A little virtual unit, the access address of each virtual unit, the protocol type of simulation, corresponding data XML files.One agent section
Point represents a virtual unit, and address indicates access address and the port of virtual unit, and type indicates to need agreement to be simulated
Type, each virtual unit of datafile need MIB node and data XML to be simulated.SNMP simulator needs type field
In order to extend later, future may develop to not only only simulate snmp protocol ability, it is also possible to simulate http,
The protocol capabilities such as webservice.In addition the address address configured is also restricted, it is necessary to be the service for disposing SNMP simulator
IP address existing for the network interface card of device, because SNMP4J-Agent realizes that the principle of simulation SNMP is some end monitored on network interface card
Mouthful, then by the packet parsing received at corresponding snmp protocol object.Each virtual unit default supports the SNMP association of access
Discussing version is V2C, and read-write community name is all public.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (6)
1. a kind of SNMP Simulator design method based on XML, characterized by comprising:
XML file obtaining step obtains the n MIB node and data XML file of the network equipment being modeled；The MIB section
Point and data XML file include MIB node definition and corresponding data information；
Virtual unit profile information step defines the information of the virtual unit for the virtual unit that n are modeled respectively；It is described
The information of virtual unit include: access IP address, corresponding SNMP port address, equipment access protocol type, MIB node and
The path of data XML file；
Simulator initialization step, SnmpsAgent is with passing through an access IP for obtaining virtual unit profile information step
The initialization of the path of location, corresponding SNMP port address, equipment access protocol type and MIB node and data XML file
One simulator entity object；SnmpsAgent is inherited in third party's open source component Snmp4J-Agent
VariableProvider interface；
SNMP simulator simulates specific node step, and SnmpsAgent calls MOGroup to simulate specific node, i.e. MOGroup
MIB node letter is obtained by the corresponding file content in path that DataXmlService parses MIB node and data XML file
Breath and data information, then MOGroup calls Snmp4J-Agent to simulate specific node, recycles and executes for each node
The simulation of single virtual equipment can be completed in this step；
Multiple SNMP simulator simulation steps execute simulator initialization step and the specific section of SNMP simulator simulation by circulation
Point step completes the simulation of each virtual unit one by one.
2. a kind of SNMP Simulator design method based on XML according to claim 1, it is characterised in that the n is greater than
Equal to 1.
3. a kind of SNMP Simulator design method based on XML according to claim 1, it is characterised in that the MIB section
Point and data XML file include scalar sum table MIB node；MOGroup is responsible for the mould of specific scalar or table MIB node
It is quasi-.
4. a kind of SNMP Simulator design device based on XML, characterized by comprising:
XML file obtains module, obtains the n MIB node and data XML file of the network equipment being modeled；The MIB section
Point and data XML file include MIB node definition and corresponding data information；
Virtual unit profile information module defines the virtual device information for the virtual unit that n are modeled respectively；The void
Proposing standby information includes: access IP address, corresponding SNMP port address, equipment access protocol type, MIB node and data
The path of XML file；
Simulator initialization module, SnmpsAgent is with passing through an access IP for obtaining virtual unit profile information module
The initialization of the path of location, corresponding SNMP port address, equipment access protocol type and MIB node and data XML file
One simulator entity object；SnmpsAgent is inherited in third party's open source component Snmp4J-Agent
VariableProvider interface；
SNMP simulator simulates specific node module, and SnmpsAgent calls MOGroup to simulate specific node, i.e. MOGroup
MIB node letter is obtained by the corresponding file content in path that DataXmlService parses MIB node and data XML file
Breath and data information, then MOGroup calls Snmp4J-Agent to simulate specific node, recycles and executes for each node
The simulation of single virtual equipment can be completed in this module；
Multiple SNMP simulator analog modules execute simulator initialization module and the specific section of SNMP simulator simulation by circulation
Point module completes the simulation of each virtual unit one by one.
5. a kind of SNMP Simulator design device based on XML according to claim 4, it is characterised in that the n is greater than
Equal to 1.
6. a kind of SNMP Simulator design device based on XML according to claim 4, it is characterised in that the MIB section
Point and data XML file include scalar sum table MIB node；MOGroup is responsible for the mould of specific scalar or table MIB node
It is quasi-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036257.8A CN106533765B (en) | 2016-11-16 | 2016-11-16 | A kind of SNMP Simulator design method and device based on XML |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036257.8A CN106533765B (en) | 2016-11-16 | 2016-11-16 | A kind of SNMP Simulator design method and device based on XML |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106533765A CN106533765A (en) | 2017-03-22 |
| CN106533765B true CN106533765B (en) | 2019-10-29 |
Family
ID=58356143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611036257.8A Expired - Fee Related CN106533765B (en) | 2016-11-16 | 2016-11-16 | A kind of SNMP Simulator design method and device based on XML |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106533765B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075929B (en) * | 2017-12-28 | 2020-11-06 | 北京中船信息科技有限公司 | Integrated interface fitting simulator and simulation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1658579A (en) * | 2004-02-16 | 2005-08-24 | 华为技术有限公司 | Method for set-up artificial equipment agency |
| CN1992635A (en) * | 2005-12-27 | 2007-07-04 | 中兴通讯股份有限公司 | Method of simulating SNMP network element and performing network management system test with the network element |
| CN102546260A (en) * | 2012-02-06 | 2012-07-04 | 烽火通信科技股份有限公司 | Simulator based on SNMP (Simple Network Management Protocol) network management |
| CN104519017A (en) * | 2013-09-29 | 2015-04-15 | 上海斐讯数据通信技术有限公司 | Simulation SNMP (Simple Network Management Protocol) agent end system |
| CN105515825A (en) * | 2015-11-25 | 2016-04-20 | 成都广达新网科技股份有限公司 | SNMP simulator for network management capacity testing and testing method thereof |
-
2016
- 2016-11-16 CN CN201611036257.8A patent/CN106533765B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1658579A (en) * | 2004-02-16 | 2005-08-24 | 华为技术有限公司 | Method for set-up artificial equipment agency |
| CN1992635A (en) * | 2005-12-27 | 2007-07-04 | 中兴通讯股份有限公司 | Method of simulating SNMP network element and performing network management system test with the network element |
| CN102546260A (en) * | 2012-02-06 | 2012-07-04 | 烽火通信科技股份有限公司 | Simulator based on SNMP (Simple Network Management Protocol) network management |
| CN104519017A (en) * | 2013-09-29 | 2015-04-15 | 上海斐讯数据通信技术有限公司 | Simulation SNMP (Simple Network Management Protocol) agent end system |
| CN105515825A (en) * | 2015-11-25 | 2016-04-20 | 成都广达新网科技股份有限公司 | SNMP simulator for network management capacity testing and testing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106533765A (en) | 2017-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106940428B (en) | Chip verification method, device and system | |
| KR101132560B1 (en) | System and method for automatic interface testing based on simulation for robot software components | |
| CN107463362A (en) | The method and system of lasting deployment based on multiple Jenkins | |
| CN104750603B (en) | A kind of multi-core DSP software simulator and its physical layer software test method | |
| CN103634154B (en) | The analog systems of network state and analogy method thereof | |
| CN102695187B (en) | Distributed Web-based device and method for testing 6LoWPAN protocol consistency | |
| CN106326056A (en) | Reusable WISHBONE bus protocol verification platform and verification method thereof | |
| KR101056682B1 (en) | A weapon simulation system and the same method based on the component | |
| CN111859832B (en) | Chip simulation verification method and device and related equipment | |
| CN104901845B (en) | Domain name WHOIS automatizations of service test system and method | |
| Grønli et al. | Meeting quality standards for mobile application development in businesses: A framework for cross-platform testing | |
| CN109325900A (en) | A kind of dispositions method and system of algorithm | |
| CN106533765B (en) | A kind of SNMP Simulator design method and device based on XML | |
| Chen et al. | MORE: A model-driven operation service for cloud-based IT systems | |
| CN101969442B (en) | Process running environment perception and migration based network analog framework implementation method | |
| CN109408400A (en) | A kind of software code automatic test approach and test macro | |
| Oliveira et al. | A SystemC Library for Advanced TLM Verification | |
| US20030191616A1 (en) | Simulating program instruction execution and hardware device operation | |
| Hartman et al. | A test execution environment running abstract tests for distributed software | |
| CN103729215B (en) | Ethernet board data input/output method | |
| Vlaovič et al. | Automated generation of Promela model from SDL specification | |
| Cook et al. | Refactoring a full stack web application to remove barriers for student developers and to add customization for instructors | |
| García-Pérez et al. | Extensive and repeatable experimentation in mobile communications with programmable instruments | |
| Xaia et al. | Automated Software Testing for Control and Monitoring a Radio Telescope | |
| Li et al. | A DSL based pressure test platform for broadband trunking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200730 Address after: Floor 2, No.16, Gaopeng Avenue, high tech Zone, Chengdu, Sichuan 610000 Patentee after: Chengdu Guangda Hengji Communication Technology Co., Ltd Address before: 610041 building four, building two, Shiyang Industrial Park, five village, Shiyang village, fifty-five village, Chengdu hi tech Zone, Sichuan, Qingyun Patentee before: CHENGDU GUANGDA NEW NETWORK TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 Termination date: 20201116 |