CN103326951A - Bandwidth control method and device for electric power communication network - Google Patents
Bandwidth control method and device for electric power communication network Download PDFInfo
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Abstract
The invention discloses a bandwidth control method and device for an electric power communication network. The method includes the steps that a server in the electric power communication network detects whether the bandwidth seizure rate of the current electric power communication network is larger than or equal to a first preset value or not after receiving a data package downloading request sent by a network terminal, the server refuses the data package downloading request and sends busy network information to the network terminal if the bandwidth seizure rate of the current electric power communication network is larger than or equal to the first preset value, and the network terminal conducts polling on the server after receiving the busy network information until the a data package is downloaded. In addition, the invention further discloses a bandwidth control device for the electric power communication network. The bandwidth control method and device effectively solves the problem of network blocking caused by concurrence communication when the number of terminals in the electric power communication network is large. The transmission of data is adjusted according to the use condition of a network bandwidth, therefore, the use efficiency of the whole network is improved, and the electric power communication network is made to be more reliable, efficient and safe.
Description
Technical field
The present invention relates to the power system telecommunications technology field, relate in particular to a kind of band width control method of powerline network and a kind of bandwidth control apparatus of powerline network.
Background technology
In electric power system, powerline network is being born crucial effect, and unimpeded various power projects and the electric grid operating of having determined of powerline network can be carried out smoothly.Powerline network can adopt the wireless network organizational forms such as 3G or GPRS, also can adopt the mode of cable network, and perhaps both have both at the same time.
Because comprise the network terminal of enormous amount in the powerline network, it is necessary when the staff carries out the electric power task mostly these terminals are.And the increase of terminal quantity means the increase of network bandwidth pressure, if a large amount of network terminal uses network simultaneously, then the situation of network congestion just is easy to occur.For example, general at the beginning of the month per month, the distribution attendant will use handheld terminal to download tour data or the file etc. of checking meter of this month by powerline network.At this moment often need to download larger packet, can take very many network bandwidth resources.If many people then can cause network congestion simultaneously in the download of carrying out large packet, it is very slow that everyone speed of download can become, and the situation of failed download very likely occurs.Therefore, how to guarantee the unimpeded of powerline network, particularly avoid occuring network congestion during the concurrent communication of a plurality of network terminals, farthest promote service efficiency and the reliability of powerline network, become a problem demanding prompt solution.
Summary of the invention
Based on this, the invention provides a kind of band width control method of powerline network and a kind of bandwidth control apparatus of powerline network.
A kind of band width control method of powerline network may further comprise the steps:
Server in the powerline network receives after the packet download request of network terminal transmission, and whether the bandwidth usage that detects the current power communication network is greater than or equal to the first preset value;
If the bandwidth usage of current power communication network is greater than or equal to described the first preset value, then described server is refused described packet download request and is sent the network busy-message to the described network terminal;
The described network terminal receives after the described network busy-message, initiates poll to described server, until download to packet.
Compare with general technology, the band width control method of powerline network of the present invention efficiently solves the problem that concurrent communication when terminal quantity is more in the power communication system causes network congestion.To each terminal, to server request downloading data bag the time, server end detects the operating position of current network bandwidth.When the network bandwidth used the threshold values that reaches the total bandwidth setting, then server refusal terminal such as the download request of tour packet, basic data bag, photo and terminal software upgrading bag etc., thereby was avoided network congestion to packet.According to network bandwidth operating position, adjust data transfer, promote the service efficiency of whole network, and make more reliable, the efficient and safety of powerline network.
A kind of bandwidth control apparatus of powerline network comprises detection module, processing module and poll module;
Described detection module and described processing module are arranged on the server of powerline network, and described poll module is arranged on the network terminal of powerline network;
Described detection module is used for after the server of powerline network receives the packet download request of network terminal transmission, and whether the bandwidth usage that detects the current power communication network is greater than or equal to the first preset value;
Described processing module is used for when the bandwidth usage of current power communication network is greater than or equal to described the first preset value, refuses described packet download request and sends the network busy-message to the described network terminal;
Described poll module is used for initiating poll to described server, until download to packet after the described network terminal receives described network busy-message.
Compare with general technology, the bandwidth control apparatus of powerline network of the present invention efficiently solves the problem that concurrent communication when terminal quantity is more in the power communication system causes network congestion.To each terminal, to server request downloading data bag the time, server end detects the operating position of current network bandwidth.When the network bandwidth used the threshold values that reaches the total bandwidth setting, then server refusal terminal such as the download request of tour packet, basic data bag, photo and terminal software upgrading bag etc., thereby was avoided network congestion to packet.According to network bandwidth operating position, adjust data transfer, promote the service efficiency of whole network, and make more reliable, the efficient and safety of powerline network.
Description of drawings
Fig. 1 is the schematic flow sheet of the band width control method of powerline network of the present invention;
Fig. 2 is the structural representation of the bandwidth control apparatus of powerline network of the present invention.
Embodiment
For further setting forth the technological means that the present invention takes and the effect that obtains, below in conjunction with accompanying drawing and preferred embodiment, to technical scheme of the present invention, know and complete description.
See also Fig. 1, be the schematic flow sheet of the band width control method of powerline network of the present invention.
The band width control method of powerline network of the present invention may further comprise the steps:
Server in the S101 powerline network receives after the packet download request of network terminal transmission, and whether the bandwidth usage that detects the current power communication network is greater than or equal to the first preset value;
If the bandwidth usage of S102 current power communication network is greater than or equal to described the first preset value, then described server is refused described packet download request and is sent the network busy-message to the described network terminal;
The described network terminal of S103 receives after the described network busy-message, initiates poll to described server, until download to packet.
In step S101, terminal to server is initiated large packet download request, and server end detects the current network bandwidth and uses whether reach the threshold values that total bandwidth is set, and also is described the first preset value.This first preset value can be set according to actual conditions, and for example 80%.
Described server can adopt the mode of J2EE+WEBSERVICE+WEBLOGIC to consist of, and is in the situation of 20M at the outlet bandwidth of server, and the concurrent data that can bear 2 to 30,000 terminals transmits.In this case, but adopt the present invention's decrease network blocking probability, for whole network promotes efficiency of bandwidth use up to 50%～70%.
As one of them embodiment, before whether the bandwidth usage of described detection current power communication network reaches the step of preset value, may further comprise the steps:
Whether the size of judging packet to be downloaded in the packet download request that the described network terminal sends is less than or equal to the second preset value;
If the size of packet to be downloaded is less than or equal to described the second preset value, then described server is accepted described packet download request, and provides packet to download to the described network terminal.
The packet that file size surpasses described the second preset value can be described as large packet, to each terminal, when downloading large packet to server request, server end detects the operating position of current network bandwidth, when the network bandwidth uses the threshold values that reaches the total bandwidth setting such as 80%, then server refusal terminal to large packet (as making an inspection tour packet, the basic data bag, photo, the terminal software upgrading bag) download request, for the less basic communication of data volume (as the order, task, the data of list pass up and down) request normal response still then, thereby avoid network congestion, guarantee the basic communication request of terminal.Like this can be when reducing network congestion, guarantee information complete.
As one of them embodiment, before whether the bandwidth usage of described detection current power communication network reaches the step of preset value, may further comprise the steps:
Whether the type of judging packet to be downloaded in the packet download request that the described network terminal sends belongs to preset kind;
If the type of packet to be downloaded belongs to described preset kind, then described server is accepted described packet download request, and provides packet to download to the described network terminal.
Because in electric power system, the packet of each type often has corresponding amount of capacity.For example, the file of checking meter, tour data and continuous data etc. often are classified as large packet.Client AKU, Reconfigurations information and when upgrading basic data often also are accompanied by the appearance of large packet.Therefore, according to the type of packet to be downloaded in the packet download request, often can judge also whether this packet is large packet.Server refusal terminal is to the download request of the packet (as making an inspection tour packet, basic data bag, photo, terminal software upgrading bag) of the larger type of data capacity, ask then still normal response for the less basic communication of data volume (data such as order, task, list pass up and down), thereby avoid network congestion, guarantee the basic communication request of terminal.
In step S102, if the bandwidth usage of current power communication network is greater than or equal to described the first preset value, then described server is refused described packet download request and is sent the network busy-message to the described network terminal.Server end detects the current network bandwidth and uses whether reach the default threshold values of total bandwidth, for example 80% the time, then the download request of server refusal terminal places the HTTP message header to return to terminal the busy sign conditional code of bandwidth, and the busy large data of time-out that need of notification terminal network are downloaded.
As one of them embodiment, the described step that sends the network busy-message to the described network terminal may further comprise the steps:
Described server will represent that the busy conditional code of network places the HTTP message header, and described HTTP message header is sent to the described network terminal.
The busy conditional code of above-mentioned expression bandwidth can be by user's self-defining, and should self-defining conditional code expansion enter in the HTTP message header.For example, in the HTTP message header, the numerical value such as 200,201 and 203 all have been defined, the busy conditional code of this expression bandwidth may be defined as 209 or other, as long as its numerical value does not repeat with the conditional code numerical value that has existed.
In step S103, the described network terminal receives after the described network busy-message, initiates poll to described server, until download to packet.After the network terminal detected the busy conditional code (for example, can be 209) of expression network in the HTTP message header of server response, the beginning poll was initiated a packet download request at set intervals, just stops poll until successfully download to packet.
As one of them embodiment, described step from poll to described server that initiate may further comprise the steps:
Every interval Preset Time length, the described network terminal sends a packet download request to described server, until download to packet.
Take the mode of above-mentioned poll, before network blocks, carried out bandwidth control.But because the packet download request can not unrestrictedly be rejected, also namely after the reduction of network bandwidth occupancy, can satisfy the packet download request.At this moment the effect of poll just embodies, and can take very first time after the improving situation at the network bandwidth request of terminal is responded, thereby farthest improve the powerline network utilance, satisfies thousands of terminal concurrence communications.
During implementation, the powerline network among the present invention can adopt 3G network as network construction form.
In the method for the present invention, system architecture can adopt the J2EE data service technology, and the network organization mode can adopt wireless WCDMA, CDMA2000 or GPRS etc.
The below introduces a preferred embodiment:
Employing can avoid directly utilizing the Socket communication of bottom based on the data W EB method of service of J2EE framework, meets the relevant international standard of HTTP1.1 and DATA Service, and the data of transmission can be effectively by the various safety means in the wide area network.
The concurrent transmission of data is large bottlenecks of general mobile operating system, because there is the terminal (several ten thousand or hundreds of thousands) of huge amount in large system in actual applications, the prerequisite that guarantees efficient communication is that the communication that solves concurrent transmission is blocked.Method platform of the present invention adopts the J2EE+Web service to consist of, it is the data, services releasing software framework based on J2EE framework basis of enterprise-level, this system can support high-intensity Data Concurrent transmission and data, services, supports the mass data inquiry, has high practicality.Wherein include:
The J2EE linked system: the J2EE linked system provides the standard card cage of the EIS system integration that exists in J2EE application and the enterprise.
The JMS(Java information service): the Java information service is a standard program interface of supporting communication system for enterprise, and purpose is to provide the common interface of a dissimilar communication system of leap.Java application utilizes JMS API to be connected with enterprise after communication system connects, and the function that application program just can utilize communication system to provide creates and transmission message, reaches the purpose with other application system asynchronous communication.
JDBC API: it is the standard interface integrated with system R.Application program obtains other database function of database connection, data query and execution with this interface.
Web Services: allow EIS that some service access points are provided, new application can be obtained data by these points, also can submit data to.
Network bandwidth monitoring utilizes existing ripe third party's network bandwidth monitoring tools monitoring bandwidth.
Above-described embodiment transmits data based on CDMA, WCDMA, GPRS communication modes; And based on the data, services of J2EE framework, solve concurrent communication network and block bottleneck problem, data, services and the data verification of the enterprise-level of powerful Web Data Service based on J2EE are provided, the concurrent data that can bear 2～30,000 distribution transformer terminals transmits.
Compare with general technology, the band width control method of powerline network of the present invention efficiently solves the problem that concurrent communication when terminal quantity is more in the power communication system causes network congestion.To each terminal, to server request downloading data bag the time, server end detects the operating position of current network bandwidth.When the network bandwidth used the threshold values that reaches the total bandwidth setting, then server refusal terminal such as the download request of tour packet, basic data bag, photo and terminal software upgrading bag etc., thereby was avoided network congestion to packet.According to network bandwidth operating position, adjust data transfer, promote the service efficiency of whole network, and make more reliable, the efficient and safety of powerline network.
Adopt method of the present invention, can make the operation of electric power field work system more efficient, stable, promote the service efficiency of the network bandwidth, make system really have practicality, improve the management automation level of Utilities Electric Co.s at different levels, promote the orderly development of power supply, distribution, electricity consumption each side.
See also Fig. 2, be the structural representation of the bandwidth control apparatus of powerline network of the present invention.
A kind of bandwidth control apparatus of powerline network comprises detection module 201, processing module 202 and poll module 203;
Described detection module 201 and described processing module 202 are arranged on the server of powerline network, and described poll module 203 is arranged on the network terminal of powerline network;
Described detection module 201 is used for after the server of powerline network receives the packet download request of network terminal transmission, and whether the bandwidth usage that detects the current power communication network is greater than or equal to the first preset value;
Described processing module 202 is used for when the bandwidth usage of current power communication network is greater than or equal to described the first preset value, refuses described packet download request and sends the network busy-message to the described network terminal;
Described poll module 203 is used for initiating poll to described server, until download to packet after the described network terminal receives described network busy-message.
As one of them embodiment, the bandwidth control apparatus of powerline network of the present invention also comprises judge module;
Whether described judge module is less than or equal to the second preset value for the size of judging the packet download request packet to be downloaded that the described network terminal sends;
If the size of packet to be downloaded is less than or equal to described the second preset value, then described processing module is accepted described packet download request, and provides packet to download to the described network terminal.
The packet that file size surpasses described the second preset value can be described as large packet, to each terminal, when downloading large packet to server request, server end detects the operating position of current network bandwidth, when the network bandwidth uses the threshold values that reaches the total bandwidth setting such as 80%, then server refusal terminal to large packet (as making an inspection tour packet, the basic data bag, photo, the terminal software upgrading bag) download request, for the less basic communication of data volume (as the order, task, the data of list pass up and down) request normal response still then, thereby avoid network congestion, guarantee the basic communication request of terminal.Like this can be when reducing network congestion, guarantee information complete.
As one of them embodiment, the bandwidth control apparatus of powerline network of the present invention also comprises judge module;
Whether described judge module belongs to preset kind for the type of judging the packet download request packet to be downloaded that the described network terminal sends;
If the type of packet to be downloaded belongs to described preset kind, then described processing module is accepted described packet download request, and provides packet to download to the described network terminal.
Because in electric power system, the packet of each type often has corresponding amount of capacity.For example, the file of checking meter, tour data and continuous data etc. often are classified as large packet.Client AKU, Reconfigurations information and when upgrading basic data often also are accompanied by the appearance of large packet.Therefore, according to the type of packet to be downloaded in the packet download request, often can judge also whether this packet is large packet.Server refusal terminal is to the download request of the packet (as making an inspection tour packet, basic data bag, photo, terminal software upgrading bag) of the larger type of data capacity, ask then still normal response for the less basic communication of data volume (data such as order, task, list pass up and down), thereby avoid network congestion, guarantee the basic communication request of terminal.
As one of them embodiment, described processing module is used for representing that the busy conditional code of network places the HTTP message header, and described HTTP message header is sent to the described network terminal.
The busy conditional code of above-mentioned expression bandwidth can be by user's self-defining, and should self-defining conditional code expansion enter in the HTTP message header.For example, in the HTTP message header, the numerical value such as 200,201 and 203 all have been defined, the busy conditional code of this expression bandwidth may be defined as 209 or other, as long as its numerical value does not repeat with the conditional code numerical value that has existed.
As one of them embodiment, described poll module is used for every interval Preset Time length, sends a packet download request to described server, until download to packet.
Take the mode of above-mentioned poll, before network blocks, carried out bandwidth control.But because the packet download request can not unrestrictedly be rejected, also namely after the reduction of network bandwidth occupancy, can satisfy the packet download request.At this moment the effect of poll just embodies, and can take very first time after the improving situation at the network bandwidth request of terminal is responded, thereby farthest improve the powerline network utilance, satisfies thousands of terminal concurrence communications.
Compare with general technology, the bandwidth control apparatus of powerline network of the present invention efficiently solves the problem that concurrent communication when terminal quantity is more in the power communication system causes network congestion.To each terminal, to server request downloading data bag the time, server end detects the operating position of current network bandwidth.When the network bandwidth used the threshold values that reaches the total bandwidth setting, then server refusal terminal such as the download request of tour packet, basic data bag, photo and terminal software upgrading bag etc., thereby was avoided network congestion to packet.According to network bandwidth operating position, adjust data transfer, promote the service efficiency of whole network, and make more reliable, the efficient and safety of powerline network.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the band width control method of a powerline network is characterized in that, may further comprise the steps:
Server in the powerline network receives after the packet download request of network terminal transmission, and whether the bandwidth usage that detects the current power communication network is greater than or equal to the first preset value;
If the bandwidth usage of current power communication network is greater than or equal to described the first preset value, then described server is refused described packet download request and is sent the network busy-message to the described network terminal;
The described network terminal receives after the described network busy-message, initiates poll to described server, until download to packet.
2. the band width control method of powerline network according to claim 1 is characterized in that, before whether the bandwidth usage of described detection current power communication network reaches the step of preset value, may further comprise the steps:
Whether the size of judging packet to be downloaded in the packet download request that the described network terminal sends is less than or equal to the second preset value;
If the size of packet to be downloaded is less than or equal to described the second preset value, then described server is accepted described packet download request, and provides packet to download to the described network terminal.
3. the band width control method of powerline network according to claim 1 is characterized in that, before whether the bandwidth usage of described detection current power communication network reaches the step of preset value, may further comprise the steps:
Whether the type of judging packet to be downloaded in the packet download request that the described network terminal sends belongs to preset kind;
If the type of packet to be downloaded belongs to described preset kind, then described server is accepted described packet download request, and provides packet to download to the described network terminal.
4. the band width control method of powerline network according to claim 1 is characterized in that, the described step that sends the network busy-message to the described network terminal may further comprise the steps:
Described server will represent that the busy conditional code of network places the HTTP message header, and described HTTP message header is sent to the described network terminal.
5. the band width control method of powerline network according to claim 1 is characterized in that, described step from poll to described server that initiate may further comprise the steps:
Every interval Preset Time length, the described network terminal sends a packet download request to described server, until download to packet.
6. the bandwidth control apparatus of a powerline network is characterized in that, comprises detection module, processing module and poll module;
Described detection module and described processing module are arranged on the server of powerline network, and described poll module is arranged on the network terminal of powerline network;
Described detection module is used for after the server of powerline network receives the packet download request of network terminal transmission, and whether the bandwidth usage that detects the current power communication network is greater than or equal to the first preset value;
Described processing module is used for when the bandwidth usage of current power communication network is greater than or equal to described the first preset value, refuses described packet download request and sends the network busy-message to the described network terminal;
Described poll module is used for initiating poll to described server, until download to packet after the described network terminal receives described network busy-message.
7. the bandwidth control apparatus of powerline network according to claim 6 is characterized in that, also comprises judge module;
Whether described judge module is less than or equal to the second preset value for the size of judging the packet download request packet to be downloaded that the described network terminal sends;
If the size of packet to be downloaded is less than or equal to described the second preset value, then described processing module is accepted described packet download request, and provides packet to download to the described network terminal.
8. the bandwidth control apparatus of powerline network according to claim 6 is characterized in that, also comprises judge module;
Whether described judge module belongs to preset kind for the type of judging the packet download request packet to be downloaded that the described network terminal sends;
If the type of packet to be downloaded belongs to described preset kind, then described processing module is accepted described packet download request, and provides packet to download to the described network terminal.
9. the bandwidth control apparatus of powerline network according to claim 6 is characterized in that, described processing module is used for representing that the busy conditional code of network places the HTTP message header, and described HTTP message header is sent to the described network terminal.
10. the bandwidth control apparatus of powerline network according to claim 6 is characterized in that, described poll module is used for every interval Preset Time length, sends a packet download request to described server, until download to packet.
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| CN109257244A (en) * | 2017-07-14 | 2019-01-22 | 北京国双科技有限公司 | Transfer control method, the apparatus and system of user behavior data |
| CN107958334A (en) * | 2017-12-05 | 2018-04-24 | 国网江西省电力有限公司景德镇供电分公司 | A kind of method for carrying out analytical control to electric power data for power industry |
| CN108243242A (en) * | 2017-12-06 | 2018-07-03 | 国网江西省电力有限公司赣西供电分公司 | Electric power communication network network control method, computer readable storage medium and equipment |
| CN108234598A (en) * | 2017-12-06 | 2018-06-29 | 国网江西省电力有限公司赣西供电分公司 | A kind of network communication applied to power industry controls management method |
| CN109002901A (en) * | 2018-06-08 | 2018-12-14 | 国家电网有限公司 | A kind of province ground county's integration electric network information total management system and device |
| CN111181763A (en) * | 2019-11-28 | 2020-05-19 | 泰康保险集团股份有限公司 | Network fault reporting method and device |
| CN115314480A (en) * | 2022-07-06 | 2022-11-08 | 深圳拓邦股份有限公司 | Method and device for remotely upgrading terminal on line |
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