47results about How to "Flexible and convenient deployment" patented technology

The invention discloses a base band migration system for wireless fronthaul of a passive optical network. The system comprises a base band processing unit (BBU), radio remote units (RRU) and the passive optical network, wherein the passive optical network is a passive optical fiber net (TWDM-PON) based on time and wavelength division multiplexing, the base band wavelength of the passive optical network is migratory, the BBU is arranged in a central apparatus room and used for processing base band signals and sending the signals to the RRUs of each remote node through the TWDM-PON, the RRUs convert the signals into electric radio frequency signals which are then amplified and output, and the BBU and the RRUs are separated. The base band migration system is low in cost, high in speed, efficiency, power budget and capacity, and large in transmission distance.

The invention discloses an intelligentized organic agricultural product production system based on micro culture boxes and a cloud platform. The system comprises a micro culture box production cluster, a nutrient solution supply system, a sensor module, a controller module, a network interface module, an access gateway and the cloud platform. The sensor module is used for acquiring data of environmental parameters and organic agricultural product growth parameter. The controller module is used for analyzing data information acquired by the sensor module, monitoring the growth situation of crops and formulating an optimal culture scheme through a built-in specialist controller and guiding relevant executors to perform adjustment. The network interface module is used for achieving wireless transmitting and receiving of the data of the micro culture boxes. The access gateway is used for accessing to Internet and the cloud platform. The cloud platform is used for issuing crop information and supporting relevant functions of e-commerce. The system utilizes an Internet of Things technology to combine with the cloud platform through the intelligent micro culture boxes, achieves real-time monitoring and accurate control of agricultural indexes, is far higher than traditional agriculture and meanwhile meets the demand for online transaction and trace to the source of organic products in future.

The invention relates to an automatic test method and an automatic test system for a wireless network. The method comprises that: a foreground receives test item information from a background, and transmits a test instruction to a test terminal according to the test term information, and the test terminal performs a service test according to the test instruction, acquires corresponding test data and transmits the acquired test data back to the foreground; the foreground processes the test data and wirelessly transmits the processed test data to the background by an air interface of the test terminal; and the background analyzes and stores the received test data to obtain a test data processing result. By the method and the system, continuous real-time irregular automatic tests in a plurality of voice services and data services in a mobile communication network are realized; and the system has low networking cost and a simple structure, is convenient and flexible to deploy, simple and convenient to operate and difficult to limit by the environment of a site, occupies a small space and avoids impact on conventional network equipment in the acquisition and reporting of mass data, so that the stability of the system is ensured.

The invention relates to a wireless monitoring system of a broadcast television. In the wireless monitoring system, a monitoring front-end is flexibly configured by adopting a mobile communication technology. Based on a traditional wireless monitoring system of a broadcast television, the system provided by the invention has the advantages that the mobility of monitoring front-end equipment is achieved, and a broadcast television monitoring way combining a fixed monitoring mode and a mobile monitoring mode with a mobile drive test mode is achieved because 2.5G and 3G mobile communication technologies are adopted. The front-end software system of the wireless monitoring system is mainly divided into a platform layer and a business function layer, wherein the platform layer is mainly in charge of communicating with a Web end; and a business logic layer is mainly used for scheduling task instructions delivered by the platform layer, and returning processing data of each business module to the platform layer. The wireless monitoring system has the advantages that the dependence of the traditional broadcast television monitoring front-end equipment on regions and fixed network environments is eliminated, the broadcast condition and operating parameters of nationwide broadcast television can be monitored in real time, and errors are found out and reported in time, thereby assisting related broadcast television departments to ensure the reliable operation and safe broadcast of the whole broadcast system.

The invention belongs to the technical field of network information safety, and specifically discloses a database structure random change-based SQL injection defense method and system. The method comprises the following steps of: firstly carrying out active and random change on a key metadata name in a database by using an active defense thought, and synchronizing the change with an application program at a Web side to ensure that metadata names of the whole database application system randomly change in a certain parameter space, so as to increase the difficulty of guessing the metadata names by attackers of SQL injection; and increasing the name space through setting proper time interval of parameter random change, so as to effectively reduce the SQL injection attack success probability and decrease the bad influences brought to normal users in the random change process. The system mainly comprises an SQL injection defense module and a Web side plugin; the SQL injection defense module and the Web side plugin form a novel framework to carry out safety reinforcement on an application system formed by a Web server and a database server; and the deployment is flexible and convenient.

The present invention proposes a software-defined network-oriented two-stage large flow measurement method. The method combines the sFlow sampling technology with the OpenFlow flow meter measurement technology to construct a two-stage large flow measurement model. The basic idea of ​​this method is: in the first stage, coarse-grained screening of suspected large flows is based on the sFlow sampling mechanism; in the second stage, the SDN controller generates corresponding measurement rules based on the collection information of suspected large flows, and loads the measurement flow entries to the OpenFlow switch to enable large flows. Flow measurement tasks, and then read the measured flow entries to obtain the accurate flow information of these suspected large flows, so as to find out the real large flows. The invention has the advantages of eliminating the influence of the sampling rate on the measurement accuracy, reducing the consumption of TCAM resources by the measurement, and realizing the measurement load balance between the switches, and the like.

The invention discloses an intelligentized organic agricultural product production system based on micro culture boxes and a cloud platform. The system comprises a micro culture box production cluster, a nutrient solution supply system, a sensor module, a controller module, a network interface module, an access gateway and the cloud platform. The sensor module is used for acquiring data of environmental parameters and organic agricultural product growth parameter. The controller module is used for analyzing data information acquired by the sensor module, monitoring the growth situation of crops and formulating an optimal culture scheme through a built-in specialist controller and guiding relevant executors to perform adjustment. The network interface module is used for achieving wireless transmitting and receiving of the data of the micro culture boxes. The access gateway is used for accessing to Internet and the cloud platform. The cloud platform is used for issuing crop information and supporting relevant functions of e-commerce. The system utilizes an Internet of Things technology to combine with the cloud platform through the intelligent micro culture boxes, achieves real-time monitoring and accurate control of agricultural indexes, is far higher than traditional agriculture and meanwhile meets the demand for online transaction and trace to the source of organic products in future.

The present invention provides a method and system for displaying a relationship graph in multiple scenarios, the method comprising: acquiring query node information, query length, association threshold and relationship type input by a user; Obtain the associated node information of the query node in a preset database; assemble the associated node information through the query length to obtain one or more associated path information; obtain the weight of each associated path information according to the relationship type, and combine the associated path information The weight sum of the information is compared with the association threshold, and when the weight sum is greater than the association threshold, multiple association path information between the query node information is displayed.

A trusted authentication system and method for network transactions belongs to the technical field of trusted authentication for network transactions. The bottom layer of the system supports two mainstream operating systems, Windows and Linux; on top of the bottom layer support is the basic management module, which are communication management module, certificate management module and database management module; on top of the basic management module is the fourth-party authentication domain ; Also includes user domain, e-commerce domain and third-party payment domain, etc. The trusted authentication method includes steps: 1) When a network transaction occurs, the user logs in to the secure client, uploads a digital certificate for digital authentication, and e-commerce and third-party payments also upload their digital certificates for corresponding digital authentication; 2) when After the digital authentication is passed, the user downloads the behavior certificate through the user behavior certificate download module, and the three parties officially enter the transaction process; and so on. The invention has good expansibility, portability and versatility, flexible and convenient configuration and deployment, and does not need third-party software support.

The invention discloses an integrated resource monitoring system based on an open source cloud platform, including a data acquisition module and a data display module. The data acquisition module adopts monitoring tools Zabbix, Telegraf and Influxdb, and Zabbix realizes large-scale monitoring through various monitoring approaches and functions For deployment and collection of any monitoring items, Telegraf uses the plug-in mechanism to collect monitoring information of various resources and store it in the Influxdb time-series database; the data display module introduces Grafana open source monitoring software, and uses the existing plug-ins and secondary development plug-ins through Grafana’s plug-in mechanism. Access monitoring information from multiple platforms such as Zabbix, Influxdb, and OpenStack, collect multi-dimensional monitoring items, and display monitoring data through Grafana's rich dashboards and charts. The present invention performs multi-dimensional and all-round real-time monitoring on the service status and health status of the cloud platform, and resource information such as virtual machines and applications of the cloud platform.

The invention discloses a distributed splitter based on SDN architecture and its creation method. The whole splitter includes an access layer for collecting mirrored traffic in different areas, and a core for summarizing received data streams in different areas. The access layer and the core layer, and the core layer and the delivery layer are interconnected in pairs. And add filtering strategy, delivery strategy and network processing node on the infrastructure of the access layer, core layer and delivery layer. The splitter of the present invention is a traffic collection and distribution platform with simple configuration, strong expansibility, and very accurate flow, which meets the ever-increasing demand for more efficient and refined management of traffic.

The invention provides an optical divider. The optical divider comprises an input port, two output ports and a coupling area arranged between the input port and the output ports, wherein the ratio of the output light power of a single output end of the optical diver to the total output light power periodically changes along with changes of wavelengths of optical waves within an assigned wavelength range. Due to the application of the optical divider, the splitting ratio of the optical divider can be dynamically adjustable in many cycles.

A wireless network automatic test method and system is provided. The method includes the following steps: A foreground receives the test project information sent by the background and sends a test instruction to a test terminal according to the test project information, and the test terminal executes a service test according to the test instruction, acquires the corresponding test data and returns the acquired test data to the foreground(101); The foreground processes the test data and then sends it to the background by the air interface wireless transmission of the test terminal(102); The background analyses the received test data and stores it, then acquires the processing result of the test data(103). The invention realizes the continuous real-time automatic test for plenty of voice services and data services in the mobile communication network, has a low system network cost, a simple structure, a convenient and flexible development, and a simple and convenient operation, occupies little space, and is not easy to be restricted by the website environment. Therefore the collection and reporting of mass data will not impact the existing network device and the stability of the system is ensured.

The invention belongs to the communication field, in particular to a MySQL database middleware preprocessing method. The method includes the following steps: the application program connects and uses the middleware; the application program sends a prepared statement to obtain a hash value; the application program sets binding parameters through the hash value; the application program executes the statement through the hash value; the application program obtains the query result. The present invention has more comprehensive support for preprocessing, and the present invention completely realizes all preprocessing functions at the middleware level, and there is almost no difference between the application program and the direct connection to the MySQL database; this method can be implemented more efficiently The load balancing of the client MySQL database supports various load balancing strategies and improves the query efficiency of the system; this method can realize the separation of reading and writing to the greatest extent and reduce the load of the main database; this method takes up very little system resources and is convenient and flexible to deploy in various type of server.