CN105656668B - Ether business transmitting method and device - Google Patents
Ether business transmitting method and device Download PDFInfo
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- CN105656668B CN105656668B CN201511025321.8A CN201511025321A CN105656668B CN 105656668 B CN105656668 B CN 105656668B CN 201511025321 A CN201511025321 A CN 201511025321A CN 105656668 B CN105656668 B CN 105656668B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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Abstract
The application proposes ether business transmitting method and device.Method includes: the first equipment for being provided simultaneously with SDH network interface and IPRAN interface, first equipment saves preconfigured primary network receives link information, which shows using SDH network link or IPRAN network link as primary network receives link；First equipment will send ether business datum, which be replicated portion, a data are sent from SDH network link, another data is sent from IPRAN network link；First equipment receives the data that other equipment are sent from the primary network receives link of itself.The application realizes transmission of the ether business in the transmission network based on SDH and IPRAN.
Description
Technical field
This application involves data communication fields, more particularly to for based on SDH (Synchronous Digital
Hierarchy, synchronous digital system) and IPRAN (IP Radio Access Network, IP-based wireless access network)
The ether business transmitting method and device of transmission network.
Background technique
With the continuous development of the communication technology, transmission network from SDH digital transport network to IP-based data transmission network into
Row evolution, IPRAN are exactly a kind of based on IP/MPLS (Multi-Protocol Label Switch, multiprotocol label switching) skill
The Novel Delivery network of art.Transmission network is in SDH and PTN (Packet Transport Network, grouping transmission at present
Net)/IPRAN technology and stage for depositing built large-scale SDH transmission network for telecom operators at present, and
IPRAN is then the important construction object of telecom operators.
Traditional telecommunication service guard method is all based on same transmission network, is such as based on SDH, or be based on
IPRAN protects telecommunication service, without possessing SDH and IPRAN two simultaneously in view of the same telecom operation chamber of commerce
Different transmission networks.
Ether business is transmitted in SDH transmission network, the technology of mainstream is after being packaged ethernet frame, to be mapped at present
VC (the Virtual of SDH/SONET (SONET, Synchronous Optical Network, Synchronous Optical Network)
Container, virtual container) in, information then is handled according to the intersection mapped system of SDH, to preferably realize data service
Transmission in SDH network.EOS (Ethernet over SDH, the Ethernet based on SDH) is usually using Virtual Concatenation technology
Ethernet data transmission provides the channel SDH of appropriate bandwidth, furthermore (the Link Capacity of the LCAS based on Virtual Concatenation
Adjustment Scheme, link level topology discovery) make when transmission link breaks down, EOS technology can be adjusted dynamically
Whole user bandwidth, to reduce the cost of bandwidth, to guarantee going on smoothly for Ethernet transmission.
EOS technology is transmitted using SDH network, common SNCP (Subnetwork Connection in SDH
Protection, subnet connection protection) protected mode can also be used to protection EOS channel, when transmission link breaks down
When, the switching of link is carried out by SNCP and LCAS cooperation.Basically, SNCP has used more SDH transmission bandwidths, because
This is less in this way.
In SDH network, has OAM abundant (Operation Administration and Maintenance, behaviour
Make management service) mechanism carries out fault detection and positioning, when link breaks down, generally can underthrust alarm, to trigger
LCAS adjustment or SNCP carry out protection switching.
In IPRAN network, generally business is protected using the 1:1 protected mode of PW (Pseudo Wire, pseudo-wire).
BFD (Bidirectional Forwarding Detection, two-way converting detection) technology is generallyd use quickly to be connected
General character detection, BFD technology is standard agreement, provides the short detection of light load, duration.After BFD session establishment, that is, start week
Detection messages are quickly sent to phase property, and does not receive detection messages whithin a period of time and thinks that failure has occurred, to trigger
Protection, transmits service switching to spare PW.
Currently, though mainstream telecommunications operator is provided simultaneously with or will have SDH transmission network and the transmission of IPRAN data
Net, but do not have the protection that across a network is carried out to business also, either in order to make full use of conventional network resources, or it is existing
Real networking mode is limited, is developed to the protected mode of data service all significant.
Summary of the invention
The embodiment of the present application provides ether business transmitting method and device, to realize ether business based on SDH and IPRAN
Transmission network in transmission.
The technical solution of the application is achieved in that
A kind of ether business transmitting method, this method comprises:
For being provided simultaneously with the first equipment of SDH network interface and IPRAN interface, the first equipment saves preconfigured master
With network receives link information, which is shown SDH network link or IPRAN network link
As primary network receives link；
First equipment will send ether business datum, which be replicated portion, a data are sent out from SDH network link
It sees off, another data is sent from IPRAN network link；
First equipment receives the data that other equipment are sent from the primary network receives link of itself.
First equipment from the primary network receives link of itself receive the data that other equipment are sent after further
Include:
When the first equipment detects the primary network receives link failure of itself and normal backup network receives link,
Start to receive the data that other equipment are sent from backup network receives link.
When SDH network link is primary network receives link, first equipment detects that the primary network of itself connects
Receiving link failure includes:
First equipment is monitored all channels Ethernet EOS based on SDH, when not available EOS port number reaches
When preset threshold, it is believed that primary network receives link failure；
When IPRAN network link is primary network receives link, first equipment detects backup network reception chain
Road normally includes:
As long as the first equipment has monitored that any channel EOS is available, then it is assumed that backup network receives link is normal.
A kind of ether business transmitting method, this method comprises:
For being provided simultaneously with the first equipment of SDH network interface and IPRAN interface, the first equipment saves preconfigured master
With network transmission link information, which is shown SDH network link or IPRAN network link
As primary network transmission link；
First equipment will send ether business datum, which is sent from primary network transmission link；
When the first equipment receives the data that the second equipment is sent, to the second equipment returned data, then from reception
To the second equipment returned data on to SDH the IPRAN network link of the data of the second equipment.
First equipment further comprises after sending the data from primary network transmission link:
First equipment detects the primary network transmission link failure of itself, and the backup network transmission link of itself is just
Often, then start to send data from the backup network transmission link of itself.
When SDH network link is primary network transmission link, first equipment detects the primary network hair of itself
The link failure is sent to include:
First equipment is monitored all channels Ethernet EOS based on SDH, when not available EOS port number reaches
When preset threshold, it is believed that primary network transmission link failure；
When IPRAN network link is primary network transmission link, first equipment detects the backup network of itself
Transmission link normally includes:
As long as the first equipment has monitored that any channel EOS is available, then it is assumed that backup network transmission link is normal.
First equipment is from the network link of data for receiving the second equipment to after the second equipment returned data
Further comprise:
First equipment detects the SDH network link failure for the data for receiving the second equipment, then from IPRAN network link
To the second equipment returned data；
Alternatively, the first equipment detects the IPRAN network link failure for the data for receiving the second equipment, then from SDH net
Network chain road direction the second equipment returned data.
A kind of ether service transmission device is located on the first ethernet device, and the first ethernet device is provided simultaneously with SDH net
Network interface and IPRAN interface, the device include:
Sending module: when ether business datum to be sent, which is replicated a, a data are from SDH network chain
Road is sent, another data is sent from IPRAN network link；
Receiving module: according to preconfigured primary network receives link information, it is received from primary network receives link
The data that its equipment is sent, wherein the primary network receives link information is shown SDH network link or IPRAN network
Link is as primary network receives link.
The receiving module is further used for, and detects primary network receives link failure and backup network receives link
When normal, start to receive the data that other equipment are sent from backup network receives link.
When SDH network link is primary network receives link, the receiving module detects primary network receives link
Failure includes:
All channels Ethernet EOS based on SDH are monitored, when not available EOS port number reaches preset threshold
When, it is believed that primary network receives link failure；
When IPRAN network link is primary network receives link, the receiving module detects backup network reception chain
Road normally includes:
As long as having monitored that any channel EOS is available, then it is assumed that backup network receives link is normal.
A kind of ether service transmission device is located on the first ethernet device, and the first ethernet device is provided simultaneously with SDH net
Network interface and IPRAN interface, the device include:
Sending module:, will according to preconfigured primary network transmission link information when ether business datum to be sent
The data are sent from primary network transmission link, wherein the primary network transmission link information is shown SDH network chain
Road or IPRAN network link are as primary network transmission link；
Receiving module: when receiving the data that the second equipment is sent, to the second equipment returned data, then from reception
To the second equipment returned data on to SDH the IPRAN network link of the data of the second equipment.
The sending module is further used for,
It detects primary network transmission link failure, and backup network transmission link is normal, then starts to send out from backup network
Link is sent to send data.
When SDH network link is primary network transmission link, the sending module detects primary network transmission link
Failure includes:
All channels Ethernet EOS based on SDH are monitored, when not available EOS port number reaches preset threshold
When, it is believed that primary network transmission link failure；
When IPRAN network link is primary network transmission link, the sending module detects backup network send chain
Road normally includes:
As long as having monitored that any channel EOS is available, then it is assumed that backup network transmission link is normal.
The receiving module is further used for,
The SDH network link failure for detecting the data for receiving the second equipment, then set from IPRAN network link to second
Standby returned data；
Alternatively, detecting the IPRAN network link failure for the data for receiving the second equipment, then from SDH network chain road direction
Second equipment returned data.
As it can be seen that the embodiment of the present application realizes transmission and guarantor of the ether business in the transmission network based on SDH and IPRAN
Shield.
Detailed description of the invention
Fig. 1 is the ether business transmission side for the transmission network based on SDH and IPRAN that one embodiment of the application provides
Method flow chart；
Fig. 2 is that the ether business for the transmission network based on SDH and IPRAN that another embodiment of the application provides is transmitted
Method flow diagram；
Fig. 3 is the composition schematic diagram for the ether service transmission device that one embodiment of the application provides；
Fig. 4 is the composition schematic diagram for the ether service transmission device that another embodiment of the application provides.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further described in more detail.
Fig. 1 is the ether business transmission side for the transmission network based on SDH and IPRAN that one embodiment of the application provides
Method flow chart, the specific steps of which are as follows:
Step 101: any appliance for being provided simultaneously with SDH network interface and IPRAN interface is set as the first equipment, the
One equipment saves preconfigured primary network receives link information, which shows SDH net
Network link or IPRAN network link are as primary network receives link.
Step 102: the first equipment will send ether business datum, which be replicated a, and a data are from SDH net
Network link is sent, another data is sent from IPRAN network link.
First equipment when sending data, does not consider whether SDH network link and IPRAN network link can be used, directly same
When to SDH network link and IPRAN network link respectively send out portion.
Step 103: the first equipment receives the data that other equipment are sent from the primary network receives link of itself.
Step 104: when the first equipment detects the primary network receives link failure of itself and backup network receives link
When normal, start to receive the data that other equipment are sent from backup network receives link.
In SDH network, the state in the channel EOS can be determined according to LCAS state, when the channel EOS is broken down, meeting
Cause transmitting-receiving both ends LCAS state adjustment, receiving device can to sending ending equipment return accuse the domain MST (Member State)=
FAIL (failure).
In IPRAN network, usually using BFD technology or connectivity testing message is sent, to determine network link
Connectivity.
Specifically, when SDH network link is primary network receives link, the first equipment supervises all channels EOS
It surveys, when not available EOS port number reaches preset threshold, it is believed that primary network receives link failure.
When IPRAN network link is primary network receives link, the first equipment once passes through BFD mode or connectivity
Detection mode detects link failure, then confirms primary network receives link failure, as long as and having monitored that any EOS is logical at this time
Road is available, then it is assumed that backup network receives link is normal, is switched to SDH network receives link.
After primary network receives link is restored, it can be determined whether to return to primary network according to preset switching principle
Receives link.For example, can preset: after primary network receives link is restored, primary network receives link is immediately returned to,
It or can also preset: after primary network receives link is restored, if backup network receives link is normal, continue to use standby
With network receives link.
Fig. 2 is that the ether business for the transmission network based on SDH and IPRAN that another embodiment of the application provides is transmitted
Method flow diagram, the specific steps of which are as follows:
Step 201: any appliance for being provided simultaneously with SDH network interface and IPRAN interface is set as the first equipment, the
One equipment saves preconfigured primary network transmission link information, which shows SDH net
Network link or IPRAN network link are as primary network transmission link.
Step 202: the first equipment will send ether business datum, which is sent out from primary network transmission link
It goes.
Step 203: working as opposite equip., be set as the second equipment, when receiving the data that the first equipment is sent, to first
Equipment returned data, then to the first equipment returned data from the network link of data for receiving the first equipment.
That is, if the second equipment receives the data that the first equipment is sent from SDH network chain road, from SDH network link
On to the first equipment returned data；If the second equipment receives the data that the first equipment is sent from IPRAN network link, from
To the first equipment returned data on IPRAN network link.
Step 204: the first equipment detects the primary network transmission link failure of itself, and the backup network of itself is sent
Link is normal, then starts to send data from the backup network transmission link of itself；Meanwhile second equipment detect the first equipment
Primary network transmission link failure, and backup network transmission link is normal, then from the backup network transmission link of the first equipment
Receive data.
Such as: when primary network transmission link is SDH network link, the first, second equipment carries out all channels EOS
Monitoring, when not available EOS port number reaches preset threshold, it is believed that primary network transmission link failure.
When IPRAN network link is primary network transmission link, the first, second equipment once by BFD mode or
Detection of connectivity mode detects link failure, then confirms primary network transmission link failure, as long as and having monitored to appoint at this time
One channel EOS is available, then it is assumed that backup network transmission link is normal, then the network transmission link of the first equipment is switched to SDH
Network link.
After primary network transmission link is restored, it can be determined whether to return to primary network according to preset switching principle
Transmission link.For example, can preset: after primary network transmission link is restored, primary network transmission link is immediately returned to,
It or can also preset: after primary network transmission link is restored, if backup network transmission link is normal, continue to use standby
With network transmission link.
The advantageous effects of the embodiment of the present application are as follows:
By sending data to SDH network link and IPRAN network link simultaneously in transmitting terminal, SDH is selected in receiving end
One of network link and IPRAN network link receive data, realize ether business in the transmission network based on SDH and IPRAN
In transmission；Meanwhile by carrying out network link monitoring and active-standby switch in receiving end, the protection of ether business transmission is realized
It switches；
Alternatively, sending data in transmitting terminal selection one of SDH network link and IPRAN network link, selected in receiving end
Network link returned data identical with transmitting terminal realizes biography of the ether business in the transmission network based on SDH and IPRAN
It is defeated；Meanwhile by carrying out network link monitoring and active-standby switch simultaneously in transmitting terminal and receiving end, the transmission of ether business is realized
Pretection switch.
Fig. 3 is the composition schematic diagram for the ether service transmission device that one embodiment of the application provides, which is located at first
On ethernet device, the first ethernet device is provided simultaneously with SDH network interface and IPRAN interface, the device mainly includes: it sends
Module and receiving module, in which:
Sending module: when ether business datum to be sent, which is replicated a, a data are from SDH network chain
Road is sent, another data is sent from IPRAN network link.
Receiving module: according to preconfigured primary network receives link information, it is received from primary network receives link
The data that its equipment is sent, wherein the primary network receives link information is shown SDH network link or IPRAN network
Link is as primary network receives link.
In a kind of embodiment, receiving module is further used for, and detects primary network receives link failure and backup network
When receives link is normal, start to receive the data that other equipment are sent from backup network receives link.
In a kind of embodiment, when SDH network link is primary network receives link, receiving module detects primary network
Receives link fails
All channels EOS are monitored, when not available EOS port number reaches preset threshold, it is believed that primary network
Receives link failure；
When IPRAN network link is primary network receives link, receiving module is detecting backup network receives link just
Often include:
As long as having monitored that any channel EOS is available, then it is assumed that backup network receives link is normal.
Fig. 4 is the composition schematic diagram of ether service transmission device that another embodiment of the application provides, which is located at the
On one ethernet device, the first ethernet device is provided simultaneously with SDH network interface and IPRAN interface, the device mainly includes: hair
Send module and receiving module, in which:
Sending module:, will according to preconfigured primary network transmission link information when ether business datum to be sent
The data are sent from primary network transmission link, wherein the primary network transmission link information is shown SDH network chain
Road or IPRAN network link are as primary network transmission link；
Receiving module: when receiving the data that the second equipment is sent, to the second equipment returned data, then from reception
To the second equipment returned data on to SDH the IPRAN network link of the data of the second equipment.
In a kind of embodiment, sending module is further used for,
It detects primary network transmission link failure, and backup network transmission link is normal, then starts to send out from backup network
Link is sent to send data.
In a kind of embodiment, when SDH network link is primary network transmission link, sending module detects primary network
Transmission link fails
All channels EOS are monitored, when not available EOS port number reaches preset threshold, it is believed that primary network
Transmission link failure；
When IPRAN network link is primary network transmission link, sending module is detecting backup network transmission link just
Often include:
As long as having monitored that any channel EOS is available, then it is assumed that backup network transmission link is normal.
In a kind of embodiment, receiving module is further used for,
The SDH network link failure for detecting the data for receiving the second equipment, then set from IPRAN network link to second
Standby returned data；
Alternatively, detecting the IPRAN network link failure for the data for receiving the second equipment, then from SDH network chain road direction
Second equipment returned data.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (14)
1. a kind of ether business transmitting method, which is characterized in that this method comprises:
Be provided simultaneously with synchronous digital system SDH network interface and IP-based wireless access network IPRAN interface first is set
Standby, the first equipment saves preconfigured primary network receives link information, the primary network receives link information show by
SDH network link or IPRAN network link are as primary network receives link；
First equipment will send ether business datum, which be replicated portion, a data are sent out from SDH network link
It goes, another data is sent from IPRAN network link；
First equipment receives the data that other equipment are sent from the primary network receives link of itself.
2. the method according to claim 1, wherein primary network receives link of first equipment from itself
Receive the data that other equipment are sent further comprises later:
When the first equipment detects the primary network receives link failure of itself and normal backup network receives link, start
The data that other equipment are sent are received from backup network receives link.
3. according to the method described in claim 2, it is characterized in that, when SDH network link be primary network receives link when, institute
State the first equipment detect itself primary network receives link failure include:
First equipment is monitored all channels Ethernet EOS based on SDH, when not available EOS port number reaches default
When threshold value, it is believed that primary network receives link failure；
When IPRAN network link is primary network receives link, first equipment is detecting backup network receives link just
Often include:
First equipment detects BFD mode by two-way converting or detection of connectivity mode detects link failure, then confirms master
It is failed with network receives link, as long as having monitored that any channel EOS is available at this time, then it is assumed that backup network receives link is just
Often.
4. a kind of ether business transmitting method, which is characterized in that this method comprises:
Be provided simultaneously with synchronous digital system SDH network interface and IP-based wireless access network IPRAN interface first is set
Standby, the first equipment saves preconfigured primary network transmission link information, the primary network transmission link information show by
SDH network link or IPRAN network link are as primary network transmission link；
First equipment will send ether business datum, which is sent from primary network transmission link；
When the first equipment receives the data that the second equipment is sent, to the second equipment returned data, then from receiving
To the second equipment returned data on SDH the IPRAN network link of the data of two equipment.
5. according to the method described in claim 4, it is characterized in that, first equipment is by the data from primary network send chain
Road further comprises after sending:
First equipment detects the primary network transmission link failure of itself, and the backup network transmission link of itself is normal, then
Start to send data from the backup network transmission link of itself.
6. according to the method described in claim 5, it is characterized in that, when SDH network link be primary network transmission link when, institute
State the first equipment detect itself primary network transmission link failure include:
First equipment is monitored all channels Ethernet EOS based on SDH, when not available EOS port number reaches default
When threshold value, it is believed that primary network transmission link failure；
When IPRAN network link is primary network transmission link, first equipment detects that the backup network of itself is sent
Link normally includes:
First equipment detects BFD mode by two-way converting or detection of connectivity mode detects link failure, then confirms master
It is failed with network transmission link, as long as having monitored that any channel EOS is available at this time, then it is assumed that backup network transmission link is just
Often.
7. according to the method described in claim 4, it is characterized in that, first equipment is from the data for receiving the second equipment
Further comprise later to the second equipment returned data on network link:
First equipment detects the SDH network link failure for the data for receiving the second equipment, then from IPRAN network link to
Two equipment returned datas；
Alternatively, the first equipment detects the IPRAN network link failure for the data for receiving the second equipment, then from SDH network chain
Road direction the second equipment returned data.
8. a kind of ether service transmission device is located on the first ethernet device, which is characterized in that the first ethernet device is simultaneously
Has synchronous digital system SDH network interface and IP-based wireless access network IPRAN interface, which includes:
Sending module: when ether business datum to be sent, which is replicated into portion, a data are sent out from SDH network link
It sees off, another data is sent from IPRAN network link；
Receiving module: according to preconfigured primary network receives link information, other set is received from primary network receives link
The data that preparation is come, wherein the primary network receives link information is shown SDH network link or IPRAN network link
As primary network receives link.
9. device according to claim 8, which is characterized in that the receiving module is further used for, and detects primary net
When the failure of network receives link and normal backup network receives link, start to receive other equipment from backup network receives link
The data sent.
10. device according to claim 9, which is characterized in that when SDH network link is primary network receives link,
The receiving module detects that primary network receives link failure includes:
All channels Ethernet EOS based on SDH are monitored, when not available EOS port number reaches preset threshold, are recognized
For the failure of primary network receives link；
When IPRAN network link is primary network receives link, the receiving module is detecting backup network receives link just
Often include:
BFD mode is detected by two-way converting or detection of connectivity mode detects link failure, then confirms that primary network connects
Link failure is received, as long as having monitored that any channel EOS is available at this time, then it is assumed that backup network receives link is normal.
11. a kind of ether service transmission device is located on the first ethernet device, which is characterized in that the first ethernet device is same
When have synchronous digital system SDH network interface and IP-based wireless access network IPRAN interface, which includes:
Sending module: when ether business datum to be sent, according to preconfigured primary network transmission link information, by the number
It is sent according to from primary network transmission link, wherein the primary network transmission link information is shown SDH network link also
It is IPRAN network link as primary network transmission link；
Receiving module: when receiving the data that the second equipment is sent, to the second equipment returned data, then from receiving
To the second equipment returned data on SDH the IPRAN network link of the data of two equipment.
12. device according to claim 11, which is characterized in that the sending module is further used for,
Detect primary network transmission link failure, and backup network transmission link is normal, then starts from backup network send chain
Road sends data.
13. device according to claim 12, which is characterized in that when SDH network link is primary network transmission link,
The sending module detects that primary network transmission link failure includes:
All channels Ethernet EOS based on SDH are monitored, when not available EOS port number reaches preset threshold, are recognized
For the failure of primary network transmission link；
When IPRAN network link is primary network transmission link, the sending module is detecting backup network transmission link just
Often include:
BFD mode is detected by two-way converting or detection of connectivity mode detects link failure, then confirms primary network hair
Link failure is sent, as long as having monitored that any channel EOS is available at this time, then it is assumed that backup network transmission link is normal.
14. device according to claim 11, which is characterized in that the receiving module is further used for,
The SDH network link failure for detecting the data for receiving the second equipment, then return from IPRAN network link to the second equipment
Return data；
Alternatively, detecting the IPRAN network link failure for the data for receiving the second equipment, then from SDH network chain road direction second
Equipment returned data.
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| CN101902353A (en) * | 2009-05-31 | 2010-12-01 | 华为技术有限公司 | Protecting method, device and system of packet network |
| CN102780636A (en) * | 2012-08-13 | 2012-11-14 | 烽火通信科技股份有限公司 | Cross connection universal description method based on nested pipeline |
| CN103997697A (en) * | 2014-04-21 | 2014-08-20 | 烽火通信科技股份有限公司 | Dual-channel POTN linear protection system, method and device |
| CN103986514A (en) * | 2014-05-29 | 2014-08-13 | 国家电网公司 | Communication network device and system |
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