CN109743243A - A kind of looped network data transmission method and device based on asymmetrical network - Google Patents
A kind of looped network data transmission method and device based on asymmetrical network Download PDFInfo
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- CN109743243A CN109743243A CN201910080162.3A CN201910080162A CN109743243A CN 109743243 A CN109743243 A CN 109743243A CN 201910080162 A CN201910080162 A CN 201910080162A CN 109743243 A CN109743243 A CN 109743243A
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Abstract
The invention discloses a kind of looped network data transmission methods and device based on asymmetrical network, wherein the looped network data transmission method based on asymmetrical network is comprising steps of determine the transmission path of data packet, and configure to the node of the transmission path；Looped network is sent by the data packet and is transmitted according to the transmission path；When detecting the node in the transmission path is asymmetrical node, the data packet obtained on looped network is sent to local network interface, and stop at data packet described in ring transfers on network, it can effectively solve the problem of prior art causes broadband utilization rate to reduce using equity design, the bandwidth availability ratio in the case of lower bandwidth is improved, and improves the efficiency of looped network data transmission.
Description
Technical field
The present invention relates to technical field of communication network more particularly to a kind of looped network transmission side datas based on asymmetrical network
Method and device.
Background technique
In Railroad Communication System, using E1 link annular networking mode, more communication equipments are together in series to form ring
Net, to ensure communication reliability.
More communication equipments need the maintenance and management of network management system.General network management system is assisted by simple network management
The equipment that view (SNMP) maintenance and management has under its command.Snmp protocol is based on network tunnel transports.And in railway looped network, not directly
Network channel is provided.
To solve the above problems, the ring-like SDH network that the normal Ethernet bridge of the prior art is set up, entire looped network use peer-to-peer network
Network design.But after destination node obtains correct data, still need to transmit invalid data between different nodes, cause to reduce bandwidth
Utilization rate.
Cause above-mentioned reason occur is each node in a peer-to-peer network, all in completely equivalent status, in looped network
On all can be used as the nodes of input and output, require to execute a series of movement such as specific packet receiving, verification, inspection, inevitable band
Carry out the consumption of time, reduces bandwidth availability ratio.In the abundant situation of bandwidth, it is bright that symmetric design causes utilization rate reduction not bring
Development is rung.But in the case where lower bandwidth and specific use environment, need to promote bandwidth using the technological means of all
Utilization rate.
Summary of the invention
The embodiment of the present invention provides a kind of looped network data transmission method and device based on asymmetrical network, can effectively solve
The shortcomings that prior art causes broadband utilization rate to reduce using peer-to-peer network design, effectively improve the band in lower bandwidth
Wide utilization rate, and improve the efficiency of looped network data transmission.
One embodiment of the invention provides a kind of looped network data transmission method based on asymmetrical network, which is characterized in that packet
It includes:
It determines the transmission path of data packet, and the node of the transmission path is configured；
Looped network is sent by the data packet and is transmitted according to the transmission path；
When detecting the node in the transmission path is asymmetrical node, asymmetrical node obtains described on looped network
Data packet is sent to local network interface, and stops at data packet described in ring transfers on network.
As an improvement of the above scheme, arbitrary node in looped network equipment is configured in the following manner, specifically:
Data are managed according to the signalling looped network of looped network equipment, the node of the transmission path is configured；Wherein,
The transmission path includes n node, n >=1；
Peer node is set by preceding n-1 node, n-th of node is set as asymmetrical node.
As an improvement of the above scheme, the method also includes:
When detecting the node in the transmission path is peer node, routing can control to be in connection status；It is described
Controllable routing is set to looped network equipment；
When detecting the node in the transmission path is asymmetrical node, controllable routing is in an off state.
As an improvement of the above scheme, described to send looped network for the data packet and passed according to the transmission path
It is defeated, specifically:
Peer node obtains the data packet that the looped network equipment is input to by ring interfaces, caches the data packet,
With etc. the data packet to be sent to looped network；
The data packet is transferred to the looped network by the peer node.
As an improvement of the above scheme, described to send looped network for the data packet and passed according to the transmission path
It is defeated, further includes:
Peer node obtains the data packet that the looped network equipment is input to by local network interface, caches the data
Packet, with etc. the data packet to be sent to looped network；
The data packet is transferred to the looped network by the peer node.
As an improvement of the above scheme, described to send looped network for the data packet and passed according to the transmission path
It is defeated, further includes:
Asymmetrical node obtains the data packet that the looped network equipment is input to by local network interface, caches the number
According to packet, with etc. the data packet to be sent to looped network；
The data packet is transferred to the looped network by the asymmetrical node.
Another embodiment of the present invention correspondence provides a kind of looped network data transmission device based on asymmetrical network, feature
It is, comprising:
Node configuration module is configured for determining the transmission path of data packet, and to the node of the transmission path；
Data packet looped network transmission module, for sending looped network for the data packet and being passed according to the transmission path
It is defeated；
Asymmetrical node data packet transmission module is asymmetrical node for working as the node detected in the transmission path
When, the data packet that asymmetrical node obtains on looped network is sent to local network interface, and stops at described in ring transfers on network
Data packet.
Compared with prior art, a kind of looped network transmission side data based on asymmetrical network disclosed by the embodiments of the present invention
Method by determining the transmission path of data packet, and configures the node of the transmission path, then sends out the data packet
It is sent to looped network and is transmitted according to the transmission path, then when the data packet is transferred to asymmetrical node, obtain ring
The online data packet is sent to local network interface, and stops at data packet described in ring transfers on network, can effectively solve
Destination node continues to transmit the data packet received in looped network after obtaining valid data in peer-to-peer network, leads to broadband utilization rate
The problem of reduction, improves bandwidth availability ratio, and improves the efficiency of looped network data transmission.
Detailed description of the invention
Fig. 1 is that a kind of process for looped network data transmission method based on asymmetrical network that one embodiment of the invention provides is shown
It is intended to；
Fig. 2 is a kind of ring-like SDH network figure based on asymmetrical network that one embodiment of the invention provides；
Fig. 3 is the looped network equipment inner structure figure that one embodiment of the invention provides；
Fig. 4 is that a kind of structure for looped network data transmission device based on asymmetrical network that one embodiment of the invention provides is shown
It is intended to.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is a kind of flow diagram of the looped network data transmission method based on asymmetrical network of the present invention, packet referring to Fig. 1
It includes:
S11, the transmission path for determining data packet, and the node of the transmission path is configured.
It is understood that the arbitrary node in looped network equipment all can be configured to peer node or asymmetrical node.
S12, looped network is sent by the data packet and is transmitted according to the transmission path.
Wherein, the data packet of caching all can be read in peer node and asymmetrical node, transmits number from ring interfaces to looped network
According to packet.
S13, when detecting the node in the transmission path is asymmetrical node, asymmetrical node obtains on looped network
The data packet is sent to local network interface, and stops at data packet described in ring transfers on network.
It is understood that received data packet will from looped network after the node on looped network is set as asymmetrical node
Not on being transferred to looped network.
In the present embodiment, by determining the transmission path of data packet, the node of the transmission path is configured, so
After deliver a packet to looped network and transmitted according to the transmission path, when detecting that the node in transmission path is non-right
When equal nodes, the data packet obtained on looped network is sent to local network interface, and stops at looped network transmitting data packet, can be effective
Solve the problems, such as that the subsequent node after destination node continues to effectively improve bandwidth usage in the corresponding data packet of ring transfers on network
Rate, and improve the efficiency of looped network data transmission.
In another preferred embodiment, arbitrary node in looped network equipment is configured in the following manner, specifically:
Data are managed according to the signalling looped network of looped network equipment, the node of the transmission path is configured；Wherein,
The transmission path includes n node, n >=1；
Peer node is set by preceding n-1 node, n-th of node is set as asymmetrical node.
It is understood that each node is not completely equivalent status on the channel looped network IP Over E1.Node
It is peer node or asymmetrical node, can be flexibly configured by the signalling path of looped network.
Wherein, asymmetrical node is the node for connecting Network Management Equipment, also referred to as network management node.The node can be by local
Network interface obtains or sends data packet, can also make an excuse the data packet obtained on looped network by looped network, but cannot will be received
Data packet on looped network is sent directly to looped network.
The node of equity is the node for being not connected to Network Management Equipment, also referred to as ordinary node.The node can be made an excuse by looped network
Data packet is obtained or sent, data packet can also be obtained by local network interface, it can be direct by the data packet on received looped network
It is sent to looped network.
Preferably, the subsequent node after asymmetrical node will no longer transmit corresponding data packet, and data packet is only capable of
The asymmetrical node and before peer node between transmitted, data packet cannot be transmitted between subsequent peer node.
It is the looped network equipment inner structure figure that one embodiment of the invention provides, including the institute inside looped network equipment referring to Fig. 3
There is transmission data packet module.
Wherein, when detecting the node in the transmission path is peer node, routing can control to be in connection status；
When detecting the node in the transmission path is asymmetrical node, controllable routing is in an off state.
Wherein, the controllable routing is set to looped network equipment.
It is understood that the controllable routing in looped network equipment connects when detecting present node is peer node,
Looped network can be sent directly to by the data packet obtained on looped network.When detecting present node is non-peer node, looped network equipment
Interior controllable routing disconnects, and cannot be sent directly to looped network by the data packet obtained on looped network, be sent to common network interface.
Wherein, common network interface corresponds to local network interface.
Specifically, looped network is sent by the data packet in step S12 and transmit according to the transmission path, including
The data packet is transmitted with peer node, specifically:
Peer node obtains the data packet that the looped network equipment is input to by ring interfaces, caches the data packet,
With etc. the data packet to be sent to looped network；
The data packet is transferred to the looped network by the peer node.
Preferably, when the arbitrary node in looped network equipment is configured as peer node, the controllable routing of looped network equipment
The data packet received in connection status, looped network is cached to " caching sends data packet " by " obtaining looped network data packet " module
Module is waited and being transmitted to looped network.From " caching sends data packet " module read data packet, it is sent to and " sends looped network data
Packet " module, is transmitted according to transmission path to looped network.
In addition, step S12 further include:
Peer node obtains the data packet that the looped network equipment is input to by local network interface, caches the data
Packet, with etc. the data packet to be sent to looped network；
The data packet is transferred to the looped network by the peer node.
Preferably, when the arbitrary node in looped network equipment is configured as peer node, the common network interface of looped network equipment is connect
After receiving data packet to " obtaining network packet " module, it is cached to " caching sends data packet " module, reads cache module information,
It is sent to " sending looped network data packet " module, is sent to looped network by ring interfaces.
Specifically, step S12 further include:
Asymmetrical node obtains the data packet that the looped network equipment is input to by local network interface, caches the number
According to packet, with etc. the data packet to be sent to looped network；
The data packet is transferred to the looped network by the asymmetrical node.
Preferably, when the arbitrary node in looped network equipment is configured as asymmetrical node, the common network interface of looped network equipment
After received data packet to " obtaining network packet " module, it is cached to " caching sends data packet " module, reads cache module letter
Breath is sent to " sending looped network data packet " module, is sent to looped network by ring interfaces.
Wherein, the data packet of caching all can be read in peer node and asymmetrical node, transmits number from ring interfaces to looped network
According to packet.
Specifically, step S13:
When detecting the node in the transmission path is asymmetrical node, the data packet obtained on looped network is sent
To local network interface, and stop at data packet described in ring transfers on network.
Preferably, when some node is configured as asymmetrical node, the controllable routing of looped network equipment, which is in, disconnects shape
State, the data packet module received on looped network will not transmitted on ring.Data packet is only to " sending network packet "
Module is sent, and is ultimately sent to standard network interface.
For example, with reference to Fig. 2, a kind of ring-like SDH network figure based on asymmetrical network provided in this embodiment.Using above-mentioned
Design scheme, it is assumed that data packet is transmitted counterclockwise, and node A needs to transmit packets to node E.Entire data packet transmits road
Diameter is: node A → node B → node C → node D → node E, E gets data packet, and is deleted.And subsequent node E →
Node F → node A will not transmit corresponding data packet, and achieve the effect that improve bandwidth availability ratio.
Fig. 4 is participated in, is a kind of looped network data transmission device based on asymmetrical network that one embodiment of the invention provides
Structural schematic diagram, comprising:
Node configuration module 1 is matched for determining the transmission path of data packet, and to the node of the transmission path
It sets；
Data packet looped network transmission module 2, for sending looped network for the data packet and being carried out according to the transmission path
Transmission；
Asymmetrical node data packet transmission module 3 is used for asymmetrical node data packet transmission module, detects institute for working as
When to state node in transmission path be asymmetrical node, the data packet that asymmetrical node obtains on looped network is sent to local network
Network interface, and stop at data packet described in ring transfers on network.
In an alternative embodiment, node configuration module 1 includes:
Node configuration unit, for managing data according to the signalling looped network of looped network equipment, by the transmission path
Node is configured；Wherein, the transmission path includes n node, n >=1；Peer node is set by preceding n-1 node, the
N node is set as asymmetrical node.
It is understood that each node is not completely equivalent status on the channel looped network IP Over E1.Node
It is peer node or asymmetrical node, can be flexibly configured by the signalling path of looped network.
Controllable routing configuration unit, for when detecting the node in the transmission path is peer node, controllably
System routing is in connection status；When detecting the node in the transmission path is asymmetrical node, controllable routing is in
Off-state；Wherein, the controllable routing is set to looped network equipment.
It is understood that the controllable routing in looped network equipment connects when detecting present node is peer node,
Looped network can be sent directly to by the data packet obtained on looped network.When detecting present node is non-peer node, looped network equipment
Interior controllable routing disconnects, and cannot be sent directly to looped network by the data packet obtained on looped network, be sent to common network interface.
In an alternative embodiment, data packet looped network transmission module 2 includes:
Peer node transmission looped network packet unit is input to the looped network by ring interfaces for peer node acquisition and sets
The standby data packet, caches the data packet, with etc. the data packet to be sent to looped network；The peer node is by the number
The looped network is transferred to according to packet.
Peer node transmits local packets unit, obtains for peer node and is input to the ring by local network interface
The data packet of net equipment, caches the data packet, with etc. the data packet to be sent to looped network；The peer node is by institute
It states data packet and is transferred to the looped network.
Asymmetrical node-node transmission local packets unit obtains for asymmetrical node and is input to institute by local network interface
The data packet for stating looped network equipment, caches the data packet, with etc. the data packet to be sent to looped network；The asymmetrical section
The data packet is transferred to the looped network by point.
Wherein, the data packet of caching all can be read in peer node and asymmetrical node, transmits number from ring interfaces to looped network
According to packet.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relationship between module indicate between them have communication connection, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can understand
And implement.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of looped network data transmission method based on asymmetrical network characterized by comprising
It determines the transmission path of data packet, and the node of the transmission path is configured；
Looped network is sent by the data packet and is transmitted according to the transmission path；
When detecting the node in the transmission path is asymmetrical node, asymmetrical node obtains the data on looped network
Packet is sent to local network interface, and stops at data packet described in ring transfers on network.
2. as described in claim 1 based on the looped network data transmission method of asymmetrical network, which is characterized in that by with lower section
Formula configures arbitrary node in looped network equipment, specifically:
Data are managed according to the signalling looped network of looped network equipment, the node of the transmission path is configured；Wherein, described
Transmission path includes n node, n >=1；
Peer node is set by preceding n-1 node, n-th of node is set as asymmetrical node.
3. as described in claim 1 based on the looped network data transmission method of asymmetrical network, which is characterized in that the method is also
Include:
When detecting the node in the transmission path is peer node, routing can control to be in connection status；Wherein, described
Controllable routing is set to looped network equipment；
When detecting the node in the transmission path is asymmetrical node, the controllable routing is in an off state.
4. as claimed in claim 3 based on the looped network data transmission method of asymmetrical network, which is characterized in that it is described will be described
Data packet is sent to looped network and is transmitted according to the transmission path, specifically:
Peer node obtains the data packet that the looped network equipment is input to by ring interfaces, caches the data packet, with etc.
The data packet to be sent is to looped network；
The data packet is transferred to the looped network by the peer node.
5. as claimed in claim 3 based on the looped network data transmission method of asymmetrical network, which is characterized in that it is described will be described
Data packet is sent to looped network and is transmitted according to the transmission path, further includes:
Peer node obtains the data packet that the looped network equipment is input to by local network interface, caches the data packet,
With etc. the data packet to be sent to looped network；
The data packet is transferred to the looped network by the peer node.
6. as claimed in claim 3 based on the looped network data transmission method of asymmetrical network, which is characterized in that it is described will be described
Data packet is sent to looped network and is transmitted according to the transmission path, further includes:
Asymmetrical node obtains the data packet that the looped network equipment is input to by local network interface, caches the data
Packet, with etc. the data packet to be sent to looped network；
The data packet is transferred to the looped network by the asymmetrical node.
7. a kind of looped network data transmission device based on asymmetrical network characterized by comprising
Node configuration module is configured for determining the transmission path of data packet, and to the node of the transmission path；
Data packet looped network transmission module, for sending looped network for the data packet and being transmitted according to the transmission path；
Asymmetrical node data packet transmission module, for when detect the node in the transmission path be asymmetrical node when,
The data packet that asymmetrical node obtains on looped network is sent to local network interface, and stops at data described in ring transfers on network
Packet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910080162.3A CN109743243B (en) | 2019-01-28 | 2019-01-28 | Ring network data transmission method and device based on non-peer-to-peer network |
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| CN201910080162.3A CN109743243B (en) | 2019-01-28 | 2019-01-28 | Ring network data transmission method and device based on non-peer-to-peer network |
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| CN109743243B CN109743243B (en) | 2021-08-27 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567891A (en) * | 2003-06-20 | 2005-01-19 | 华为技术有限公司 | A method for implementing data service transmission routing |
| US20080031247A1 (en) * | 2006-08-04 | 2008-02-07 | Fujitsu Limited | Network device and data control program |
| CN101222402A (en) * | 2008-01-22 | 2008-07-16 | 杭州华三通信技术有限公司 | Ethernet ring protection method, system and device |
| CN102158383A (en) * | 2010-02-11 | 2011-08-17 | 华为技术有限公司 | Data transmission method, device and system for E1 bidirectional ring network |
| US20170155522A1 (en) * | 2015-11-26 | 2017-06-01 | Fujitsu Limited | Communication apparatus and communication system |
| CN106888142A (en) * | 2017-03-09 | 2017-06-23 | 广州广哈通信股份有限公司 | A kind of E1 dual-ring networks with ring self-healing function |
| CN106941435A (en) * | 2017-02-22 | 2017-07-11 | 广州广哈通信股份有限公司 | Using the looped network of autonomous channel transmission network management data |
| CN108512735A (en) * | 2017-02-25 | 2018-09-07 | 华为技术有限公司 | A kind of data transmission method and device |
-
2019
- 2019-01-28 CN CN201910080162.3A patent/CN109743243B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567891A (en) * | 2003-06-20 | 2005-01-19 | 华为技术有限公司 | A method for implementing data service transmission routing |
| US20080031247A1 (en) * | 2006-08-04 | 2008-02-07 | Fujitsu Limited | Network device and data control program |
| CN101222402A (en) * | 2008-01-22 | 2008-07-16 | 杭州华三通信技术有限公司 | Ethernet ring protection method, system and device |
| CN102158383A (en) * | 2010-02-11 | 2011-08-17 | 华为技术有限公司 | Data transmission method, device and system for E1 bidirectional ring network |
| US20170155522A1 (en) * | 2015-11-26 | 2017-06-01 | Fujitsu Limited | Communication apparatus and communication system |
| CN106941435A (en) * | 2017-02-22 | 2017-07-11 | 广州广哈通信股份有限公司 | Using the looped network of autonomous channel transmission network management data |
| CN108512735A (en) * | 2017-02-25 | 2018-09-07 | 华为技术有限公司 | A kind of data transmission method and device |
| CN106888142A (en) * | 2017-03-09 | 2017-06-23 | 广州广哈通信股份有限公司 | A kind of E1 dual-ring networks with ring self-healing function |
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