CN102111316A - Automatic networking method of network system - Google Patents
Automatic networking method of network system Download PDFInfo
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- CN102111316A CN102111316A CN2011100682774A CN201110068277A CN102111316A CN 102111316 A CN102111316 A CN 102111316A CN 2011100682774 A CN2011100682774 A CN 2011100682774A CN 201110068277 A CN201110068277 A CN 201110068277A CN 102111316 A CN102111316 A CN 102111316A
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Abstract
The invention provides an automatic networking method of a network system, which is characterized in that network elements (NE) are taken as network unit nodes; each NE is distributed with a sole node number and a phone number; acquired node information is exchanged between the adjacent nodes; and if the information is found to be changed, the changed node information is exchanged with other adjacent nodes again. By using the method provided by the invention, all NEs on a network can quickly acquire the network topology of the whole network, the related routing information can be updated in time, a user can conveniently change a networking structure in accordance with demands, and the stability and robustness of the network can be improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method of network system automatic network-building.
Background technology
Network element (comprehensive transmission switching equipment) is transmission link with the digital repeatered line, use 2048kbps code stream HDB3 coded format transmission data, with 64kbps is that unit is divided into 32 time slots, and one or more continuous slots are made as the passage of transmission group net information therein.Each network element has unique node serial number and call number sets.Resources such as network element can tandem two/four line audio frequency, PTT, RS232, FXS, FXO, magnetic telephone, PCM, every in each port of resource all distribute a fixing call number.After network element is formed net, can use the call function of network element to be communicated with various resource ports by demand.In the station networked system of current director, the residing geographical position of website is all remoter, communication is inconvenient, and node connection corresponding relation all must set in advance, when increase, deletion of node, need send the engineering maintenance personnel to carry out the renewal of parameter to original all nodes of whole net, workload is big, coordination is complicated, length consuming time.
In the system of current communication fleet networking in the open air, communication link quality and stability can not ensure that single-link connects the reliability that can not ensure communication.Between the network element of some heavy traffic, the bandwidth of a digital repeatered line link can not satisfy professional user demand in addition, proposes the demand that needs multilink to connect simultaneously between node.Originally a little less than the star-like networking mode anti-strike capability of single-link, protection is poor, needs the network configuration of ring network or mesh network to improve the reliability of network.Just might there be many route direction, different links to select between such two nodes.Therefore network element group network need have the record of multiple route, the analysis and the routing intelligence selection function of weight.
Summary of the invention
In order to solve the deficiencies in the prior art, the purpose of this invention is to provide a kind of in mesh network system the method for automatic network-building, have and know network topology automatically, upgrade the characteristics of selecting route automatically.
Purpose of the present invention is achieved through the following technical solutions: a kind of method of network system automatic network-building may further comprise the steps:
(1) digital repeatered line is set as internodal link in network element, the allocation of parameters of time slot is set, node number, the telephone number of this network element is set;
(2) survey the node whether initiate node or deletion are arranged,, enter step (3) if the node of initiate node or deletion is arranged;
(3) all network element nodal informations that this network element of exchange is known between the adjacent network element; Described nodal information comprises the hop weight of node number, telephone number information, link;
(4) analyze the nodal information that receives,, return step (3) if the nodal information of new adding or deletion is arranged; If do not have the new nodal information that adds or abridge, enter step (5);
(5) the hop weight of calculating link, maintenance update link nodes table, informational table of nodes and telephone number routing table;
Wherein
The link nodes table is to be operand with a link, describes the nodal information that this link can arrive;
Informational table of nodes is to be operand with a node, describes the out link that arrives this node and the hop weight of each link;
The telephone number routing table is that the phone number harbour with striking out is an operand, describes the telephone number home to return in which node;
(6) select route to carry out outbound call.
Whether detection has the method for newly added node as follows in the described step (2): to send a detection packet every 10 seconds, whether the other side of detecting link has network element to insert the handshaking information bag when line idle.
Whether detection has the method for deletion of node as follows in the described step (2): the cycle sends, receives heartbeat packet between the node of link, when three or three above cycles can not be received correct heartbeat packet, then judges link failure; When finding link failure, inquire about the respective nodes information table successively according to the node number information on the link nodes table, this link information is deleted from informational table of nodes; If node can arrive without any the link route, then being judged as this node can not arrive, relevant phone routing iinformation in the deletion telephone number routing table; If also exist other routes to arrive, then upgrade link hop weight information.
The hop weight of link is calculated by following method in the described step (5): the hop weight of node own is 1, whenever adds 1 through a node hop weight.
Select route according to following method in the described step (6): when call, find destination node number from the telephone number routing table, query node information table again, find out the link of hop weight minimum in the fully loaded link not, use this link to carry out outbound call.
The present invention uses network element as network element nodes, each network element distributes unique node number and telephone number, the nodal information that exchange has been known between adjacent node is if find to have information-change, just the nodal information after its other adjacent nodes exchange more change again.
Compared with prior art, the present invention's effect that has the following advantages: support the multilink mesh network to connect; The user can change networking structure according to demand easily, and all network elements can be known whole network topology soon promptly on the network, the relevant routing iinformation that upgrades in time, and the user does not need to carry out the renewal of parameter to original all nodes of whole net, and is convenient and swift; Carry out message transmission effectively reliably, improved stability of network and robustness.
Description of drawings
Fig. 1 is the flow chart of the method for network system Autonet of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the method for network system automatic network-building of the present invention may further comprise the steps:
(1) digital repeatered line is set as internodal link in network element, the allocation of parameters of time slot is set, node number, the telephone number of this network element is set;
(2) survey the node whether initiate node or deletion are arranged,, enter step (3) if the node of initiate node or deletion is arranged;
Survey whether initiate node is arranged: to send a detection packet every 10 seconds, whether the other side of detecting link has network element to insert the handshaking information bag when line idle;
Survey the node whether deletion is arranged: the cycle sends, receives heartbeat packet between the node of link, when cycle repeatedly can not be received correct heartbeat packet, then judges link failure; When finding link failure, inquire about the respective nodes information table successively according to the node number information on the link nodes table, this link information is deleted from informational table of nodes; If node can arrive without any the link route, then being judged as this node can not arrive, relevant phone routing iinformation in the deletion telephone number routing table; If also exist other routes to arrive, then upgrade the hop weight information of link.
(3) all network element nodal informations that this network element of exchange is known between the adjacent network element; Described nodal information comprises node number, telephone number information, link hop weight.
(4) analyze the nodal information that receives,, return step (3) if the node routing iinformation of new adding or deletion is arranged; If do not have the new node routing iinformation that adds or abridge, enter step (5);
For the endless loop phenomenon that prevents ripple effect occurs, when network element carries out the nodal information exchange at every turn, information of sending here and link corresponding node table are mated comparison node number, the hop weight of node, telephone number information.If change, can be to the nodal information after other link direction exchanges are upgraded.
(5) calculate link hop weight, maintenance update link nodes table, informational table of nodes and telephone number routing table;
The link nodes table is to be operand with a link, describes the nodal information that this link can arrive;
Informational table of nodes is to be operand with a node, describes the out link that arrives this node and the hop weight of each link;
The telephone number routing table is that the phone number harbour with striking out is an operand, describes the telephone number home to return in which node;
The calculating of link hop weight: the hop weight of node itself is 1, whenever adds 1 through a node hop weight.
When if node A has many routes to arrive Node B, in the informational table of nodes of Node B, safeguard hop weight separately, when Node B and node C exchange message, the hop weight of description node A exchanges with the hop weight of minimum.
(6) select route to carry out outbound call:
When call, find destination node number from the telephone number routing table, the query node information table is searched the link of hop minimum again, and when the link of minimum hop weight works overloadingly, select the link of time jete point weight, and the like, find out not hop weight smallest link in the fully loaded link, use this link to carry out outbound call.Because the occupation mode after the time slot application is monopolized, the situation that does not exist two or more service bandwidths to share is so Route Selection is so that whether full load is used as basis for estimation.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (5)
1. the method for a network system automatic network-building is characterized in that, may further comprise the steps:
(1) digital repeatered line is set as internodal link in network element, the allocation of parameters of time slot is set, node number, the telephone number of this network element is set;
(2) survey the node whether initiate node or deletion are arranged,, enter step (3) if the node of initiate node or deletion is arranged;
(3) all network element nodal informations that this network element of exchange is known between the adjacent network element; Described nodal information comprises the hop weight of node number, telephone number information, link;
(4) analyze the nodal information that receives,, return step (3) if the nodal information of new adding or deletion is arranged; If do not have the new nodal information that adds or abridge, enter step (5);
(5) the hop weight of calculating link, maintenance update link nodes table, informational table of nodes and telephone number routing table;
Wherein
The link nodes table is to be operand with a link, describes the nodal information that this link can arrive;
Informational table of nodes is to be operand with a node, describes the out link that arrives this node and the hop weight of each link;
The telephone number routing table is that the phone number harbour with striking out is an operand, describes the telephone number home to return in which node;
(6) select route to carry out outbound call.
2. the method for a kind of network system automatic network-building according to claim 1, it is characterized in that, whether detection has the method for newly added node as follows in the described step (2): to send a detection packet every 10 seconds, whether the other side of detecting link has network element to insert the handshaking information bag when line idle.
3. the method for a kind of network system automatic network-building according to claim 1, it is characterized in that, whether detection has the method for deletion of node as follows in the described step (2): the cycle sends, receives heartbeat packet between the node of link, when three or three above cycles can not be received correct heartbeat packet, then judge link failure; When finding link failure, inquire about the respective nodes information table successively according to the node number information on the link nodes table, this link information is deleted from informational table of nodes; If node can arrive without any the link route, then being judged as this node can not arrive, relevant phone routing iinformation in the deletion telephone number routing table; If also exist other routes to arrive, then upgrade link hop weight information.
4. the method for a kind of network system automatic network-building according to claim 1 is characterized in that, the hop weight of link is calculated by following method in the described step (5): the hop weight of node own is 1, whenever adds 1 through a node hop weight.
5. the method for a kind of network system automatic network-building according to claim 1, it is characterized in that, select route according to following method in the described step (6): when call, find destination node number from the telephone number routing table, query node information table again, find out the link of hop weight minimum in the fully loaded link not, use this link to carry out outbound call.
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| CN103179033A (en) * | 2011-12-23 | 2013-06-26 | 阳光凯讯(北京)科技有限公司 | Method for generating internetwork call routing automatically |
| CN103236102A (en) * | 2013-05-02 | 2013-08-07 | 上海永天科技股份有限公司 | Intelligent building energy management system based on technology of internet of things |
| CN103618798A (en) * | 2013-12-04 | 2014-03-05 | 中安消技术有限公司 | Method and system for changing resources among nodes |
| CN104270255A (en) * | 2014-09-05 | 2015-01-07 | 烽火通信科技股份有限公司 | A module and method for communication between nodes based on LINX progress |
| CN105281832A (en) * | 2014-07-02 | 2016-01-27 | 北京邮电大学 | Neighbor discovery method in ultraviolet light network |
| CN105763364A (en) * | 2016-01-21 | 2016-07-13 | 上海岂控信息科技有限公司 | 2.4G chip-based multi-sub node large-scale networking method |
| CN107787020A (en) * | 2016-08-26 | 2018-03-09 | 华为技术有限公司 | The method of synchronous topology information and route network element in a kind of SFC networks |
| WO2018202034A1 (en) * | 2017-05-04 | 2018-11-08 | 索尼公司 | Electronic device and method for wireless communication |
| CN109219102A (en) * | 2017-06-30 | 2019-01-15 | 华为技术有限公司 | A kind of data forwarding method and device |
| CN112671927A (en) * | 2020-12-31 | 2021-04-16 | 广州技象科技有限公司 | Service data transmission method and device based on electric power Internet of things system change |
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| CN103179033A (en) * | 2011-12-23 | 2013-06-26 | 阳光凯讯(北京)科技有限公司 | Method for generating internetwork call routing automatically |
| CN103236102A (en) * | 2013-05-02 | 2013-08-07 | 上海永天科技股份有限公司 | Intelligent building energy management system based on technology of internet of things |
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| CN105281832B (en) * | 2014-07-02 | 2018-01-02 | 北京邮电大学 | Neighbor discovering method in a kind of ultraviolet optical-fiber network |
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| CN105763364A (en) * | 2016-01-21 | 2016-07-13 | 上海岂控信息科技有限公司 | 2.4G chip-based multi-sub node large-scale networking method |
| CN105763364B (en) * | 2016-01-21 | 2018-12-07 | 上海岂控信息科技有限公司 | A method of multiple child node large-scale network-estabilishings based on 2.4G chip |
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| WO2018202034A1 (en) * | 2017-05-04 | 2018-11-08 | 索尼公司 | Electronic device and method for wireless communication |
| KR20200002774A (en) * | 2017-05-04 | 2020-01-08 | 소니 주식회사 | Electronic device and method for wireless communication |
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| KR102498727B1 (en) * | 2017-05-04 | 2023-02-13 | 소니그룹주식회사 | Electronic device and method for wireless communication |
| CN109219102A (en) * | 2017-06-30 | 2019-01-15 | 华为技术有限公司 | A kind of data forwarding method and device |
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| CN109219102B (en) * | 2017-06-30 | 2021-08-03 | 华为技术有限公司 | Data forwarding method and device |
| CN112671927B (en) * | 2020-12-31 | 2022-11-22 | 广州技象科技有限公司 | Service data transmission method and device based on electric power Internet of things system change |
| CN112671927A (en) * | 2020-12-31 | 2021-04-16 | 广州技象科技有限公司 | Service data transmission method and device based on electric power Internet of things system change |
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Application publication date: 20110629 |