CN107846357A - A kind of message forwarding method and device based on stream definition - Google Patents
A kind of message forwarding method and device based on stream definition Download PDFInfo
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- CN107846357A CN107846357A CN201711403866.7A CN201711403866A CN107846357A CN 107846357 A CN107846357 A CN 107846357A CN 201711403866 A CN201711403866 A CN 201711403866A CN 107846357 A CN107846357 A CN 107846357A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
- H04L45/245—Link aggregation, e.g. trunking
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Abstract
The application provides a kind of message forwarding method and device based on stream definition.A kind of message forwarding method based on stream definition, methods described include：The master control borad searches the port for belonging to any member equipment from the aggregation port information of preservation, and the port that state in the port is UP is marked；Online forwarding service plate aggregation port information after mark being handed down on the member device；When it is described receive message in line forwarding service plate after, the outgoing interface of the message is searched according to the forwarding-table item that prestores；If the outgoing interface for finding the message is aggregation port, outgoing interface is chosen from the port of tape label according to the aggregation port information, so that the message is forwarded from the outgoing interface.The application can make the message into this equipment preferably from this device forwards, so as to reduce the bandwidth consumption of cascade channel between VSM member devices.
Description
Technical field
The application is related to communication technical field, more particularly to a kind of message forwarding method and device based on stream definition.
Background technology
With the continuous expansion of network size, network failure point is more and more, and configuration and the complexity safeguarded are significantly increased,
For the ease of device configuration and maintenance, VSM (VirtualSwitch Matrix, virtual switch matrix) technology can be used, will be more
Platform equipment connects to form a virtual logical device by physical port, and can realize striding equipment link aggregation, so as to
The redundancy of equipment can be strengthened, and realize load balancing.
In addition, to realize that different business intermodule flow can also configure corresponding stream with flexible dispatching in VSM networkings
Definition strategy, so that master control borad drains into flow on predetermined business board, flow is handled.
Based on this, when any member equipment receives message in VSM networkings, master control borad can define plan based on predetermined stream
Message is slightly drained to corresponding online forwarding service plate, online forwarding service plate searches above-mentioned report according to the forwarding-table item of storage
The outgoing interface of text, to be forwarded to message.
In the prior art, the outgoing interface for the message being found according to the forwarding-table item to prestore when online forwarding service plate is
During aggregation port, it can use in the aggregation port that is issued from master control borad of load-balancing algorithm and choose one of physical port conduct
The outgoing interface of above-mentioned message, message is forwarded from the outgoing interface.Due to using above-mentioned load-balancing algorithm, it is possible to choose
To the port of other member devices, now message turns from the port of above-mentioned member device again after need to first passing through equipment room cascade channel
Send out.When excessive by the flow of cascade channel, it will substantially reduce the bandwidth of cascade channel.
The content of the invention
In view of this, the application provides a kind of message forwarding method and device based on stream definition, to realize from this equipment
The message prior of entrance is from this device forwards, so as to reduce the bandwidth consumption of cascade channel between VSM member devices.
Specifically, the application is achieved by the following technical solution：
A kind of message forwarding method based on stream definition, methods described include：
The master control borad searches the port for belonging to any member equipment from the aggregation port information of preservation, and to the end
State is that UP port is marked in mouthful；
Online forwarding service plate aggregation port information after mark being handed down on the member device；
When it is described receive message in line forwarding service plate after, the message is searched according to the forwarding-table item that prestores and goes out to connect
Mouthful；
If the outgoing interface for finding the message is aggregation port, the aggregation port issued according to master control borad is believed
Breath chooses outgoing interface from the port of tape label, so that the message is forwarded from the outgoing interface.
A kind of apparatus for forwarding message based on stream definition, described device include：
Mark module, the end for belonging to any member equipment is searched from the aggregation port information of preservation for the master control borad
Mouthful, and the port that state in the port is UP is marked；
Module is issued, for the online forwarding service aggregation port information after mark being handed down on the member device
Plate；
Searching modul, for when it is described receive message in line forwarding service plate after, searched according to the forwarding-table item to prestore
The outgoing interface of the message；
Module is chosen, for the institute when finding the outgoing interface of the message and being aggregation port, issued according to master control borad
State aggregation port information and choose outgoing interface from the port of tape label, so that the message is forwarded from the outgoing interface.
In the application, master control borad can be searched from the aggregation port information of preservation belongs to any member equipment in VSM groups
Port, and the port that state in the port is UP is marked, afterwards can be by under the above-mentioned aggregation port information after mark
Issue the online forwarding service plate of the member device., can be according to prestoring afterwards when online forwarding service plate receives message
Forwarding-table item determine whether the outgoing interface of the message is aggregation port, if aggregation port, then can be issued according to master control borad
Aggregation port information, be that above-mentioned message chooses outgoing interface from the port of tape label so that into the member device message from
The port of the member device forwards.
Compared with prior art, the application can be that online forwarding service plate issues the aggregation port letter for carrying port-mark
Cease, the port of the online forwarding service plate corresponding device in the mark only labeled polymer port information, online forwarding service plate can
Message to be received from the port for carrying mark chooses outgoing interface, it is ensured that the message into certain equipment can turn from the equipment
Send out, so as to reduce the probability that message is forwarded by equipment room cascade channel, reduce the bandwidth to equipment room cascade channel
Consumption.
Brief description of the drawings
Fig. 1 is a kind of flow chart of message forwarding method based on stream definition shown in the exemplary embodiment of the application one；
Fig. 2 is the VSM networking diagrams shown in the exemplary embodiment of the application one；
Fig. 3 is a kind of hardware structure diagram of network equipment shown in the exemplary embodiment of the application one；
Fig. 4 is a kind of structural representation of apparatus for forwarding message based on stream definition shown in the exemplary embodiment of the application one
Figure.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the application.
It is only merely for the purpose of description specific embodiment in term used in this application, and is not intended to be limiting the application.
" one kind " of singulative used in the application and appended claims, " described " and "the" are also intended to including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wrapped
Containing the associated list items purpose of one or more, any or all may be combined.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, do not departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
With the continuous expansion of network size, network failure point is more and more, and configuration and the complexity safeguarded are significantly increased,
For the ease of device configuration and maintenance, multiple devices can be connected to form a void by physical port using VSM technologies
The logical device of plan, and striding equipment link aggregation can be realized, so as to strengthen the redundancy of equipment, and realize load balancing.
To realize that different business intermodule flow can also configure corresponding stream definition with flexible dispatching in VSM networkings
Strategy, so that master control borad drains into flow on predetermined business board, flow is handled.
Based on this, when any member equipment receives message in VSM networkings, master control borad can define plan based on predetermined stream
Message is slightly drained to corresponding online forwarding service plate, online forwarding service plate searches above-mentioned report according to the forwarding-table item of storage
The outgoing interface of text, to be forwarded to message.
In the prior art, the outgoing interface for the message being found according to the forwarding-table item to prestore when online forwarding service plate is
During aggregation port, it can use in the aggregation port information that is issued from master control borad of load-balancing algorithm and choose one of physical port
As the outgoing interface of above-mentioned message, message is forwarded from the outgoing interface.Due to using above-mentioned load-balancing algorithm, it is possible to
Choose the port of other member devices in VSM networkings, now message need to first pass through after equipment room cascade channel again from it is above-mentioned into
The port of member's equipment forwards.When excessive by the flow of cascade channel, it will substantially reduce the bandwidth of cascade channel.
Therefore, in order to solve the problems, such as that flow carries out striding equipment forwarding through equipment room cascade channel, this application provides one
Message forwarding method of the kind based on stream definition, master control borad can be searched from the aggregation port information of preservation belongs to any in VSM groups
The port of member device, and the port that state in the port is UP is marked, afterwards can be by the above-mentioned polymerization after mark
Port information is handed down to the online forwarding service plate of the member device.Afterwards when online forwarding service plate receives message,
Whether the outgoing interface that the message can be determined according to the forwarding-table item to prestore is aggregation port, then can be according to master if aggregation port
The aggregation port information that control plate issues, it is that above-mentioned message chooses outgoing interface from the port of tape label, so as to be set into the member
Standby message forwards from the port of the member device.
Compared with prior art, the application can be that online forwarding service plate issues the aggregation port letter for carrying port-mark
Breath, the port of the online forwarding service plate corresponding device in the mark only labeled polymer port information, online forwarding service plate from
Message selection outgoing interface in the port of tape label to be received, it is ensured that the message into certain equipment can be preferentially from the equipment
Port is forwarded, and so as to reduce the probability that message is forwarded by equipment room cascade channel, equipment room is cascaded so as to reduce
The bandwidth consumption of passage.
The implementation process of the application is described below in conjunction with specific embodiments.
Fig. 1 is refer to, Fig. 1 show a kind of stream of message forwarding method based on stream definition shown in the embodiment of the present application
Cheng Tu, this method can be applied to VSM networkings, and the VSM networkings refer to Fig. 2.
Wherein, the above method can include following basic step：
S101, master control borad search the port for belonging to any member equipment from the aggregation port information of preservation, and to described
State is that UP port is marked in port.
S102, the online forwarding service plate aggregation port information after mark being handed down on the member device.
The application is illustrated by taking the VSM networkings shown in Fig. 2 as an example.
In the embodiment of the present application, user can be generally the device configuration aggregation port letter in VSM networkings in the configuration page
Breath, wherein, above-mentioned aggregation port information indicates in VSM0 which port is configured as aggregation port, which port quilt in VSM1
Aggregation port is configured to, and is configured as the port status of each port of aggregation port, such as port UP or port Down.Can
Assuming that port 1 and port 2 that the physical port that above-mentioned aggregation port is included is VSM0, and VSM1 port 3 and port 4,
And the state of four ports is UP.
After the completion of user configuration, the aggregation port information of configuration can be handed down to any member equipment in the VSM networkings
Master control borad, or the master control borad of the main member device of VSM networkings is handed down to, master control borad receives the above-mentioned polymerization end that user issues
After message breath, the aggregation port information can be first preserved.
Because user is after definition strategy is flowed in configuration, master control borad will generate corresponding tactful list item, when master control borad receives
After message, the tactful list item can be based on and drain into message on corresponding online forwarding service plate.Wherein, being recorded in the list item has
The corresponding relation of each online forwarding service plate and the member device belonging to it, can be as shown in table 1.
| Source IP address | Online forwarding service plate | Online forwarding service plate corresponding device |
| 119.207.210.0/24 | Online forwarding service plate 1 | VSM0 |
| 202.200.221.0/24 | Online forwarding service plate 2 | VSM1 |
Table 1
It should be noted that table 1 is merely illustrative, the source IP address in table 1 can also be changed into purpose IP address
Or incoming interface, it can be determined according to the actual disposition situation of user, be not construed as limiting herein.
Based on table 1, master control borad can determine that the equipment belonging to each online forwarding service plate, with reference to the above-mentioned polymerization end preserved
Message ceases, and master control borad can find VSM0 port 1 and port 2 from above-mentioned aggregation port information, and determine port 1 and port
Whether 2 state is UP, if UP, then VSM0 port 1 and port 2 can be marked, mark can be such as added before port numbers
Note identifies " 0 ", and the aggregation port information after mark can be as shown in table 2.Afterwards can be by under the aggregation port information after above-mentioned mark
Issue VSM0 online forwarding service plate 1.
Similarly, master control borad can find VSM1 port 3 and port 4 from above-mentioned aggregation port information, will and determine
Whether the state of port 3 and port 4 is UP, if UP, then VSM1 port 3 and port 4 can be marked, still can be in port
Addition mark identifies " 0 " before number, and the aggregation port information after mark can be as shown in table 3.Afterwards can be by the aggregation port after mark
Information is handed down to VSM1 online forwarding service plate 2.
| Port numbers | Corresponding device | Port status |
| 01 | VSM0 | UP |
| 02 | VSM0 | UP |
| 3 | VSM1 | UP |
| 4 | VSM1 | UP |
Table 2
| Port numbers | Corresponding device | Port status |
| 1 | VSM0 | UP |
| 2 | VSM0 | UP |
| 03 | VSM1 | UP |
| 04 | VSM1 | UP |
Table 3
It should be noted that table 2 and table 3 are merely illustrative, in practical application, mark mark can also have others
Representation, it is not construed as limiting herein.
In addition, master control borad can also be according to the polymerization end shown in the port status renewal table 1 of each member port in aggregation port
Message is ceased, and the aggregation port information after renewal is re-issued to above-mentioned online forwarding service plate 1 or online forwarding service plate
2, the polymerization that online forwarding service plate 1 or online forwarding service plate 2 can be locally stored according to the aggregation port information updating of reception
Port information.
S103, when it is described receive message in line forwarding service plate after, the message is searched according to the forwarding-table item that prestores
Outgoing interface, judge whether the outgoing interface is aggregation port.
S104, judge to whether there is the port of tape label in the aggregation port information.
In the embodiment of the present application, can be according to local pre- after the message that line forwarding service plate receives master control borad forwarding
The forwarding-table item deposited searches the outgoing interface of the message, and whether the outgoing interface for judging the message is aggregation port, if the message goes out
Interface is aggregation port, then can further perform step S104, judge in the above-mentioned aggregation port information that master control borad issues whether
In the presence of the port for carrying mark, if in the presence of step S105 can be continued executing with；If being not present, step S106 can be continued executing with.
And if the outgoing interface of the message is not aggregation port, step S107 can be further performed.
S105, it is that the message chooses outgoing interface from the port for carrying mark, the message is forwarded from the outgoing interface.
By taking online forwarding service plate 1 as an example, it is assumed that VSM0 receives the message that source IP address is 119.207.210.0, should
Message will be drained to online forwarding service plate 1 after master control borad matching strategy list item by master control borad, and online forwarding service plate 1 is looked into
The forwarding-table item to prestore is ask, whether the outgoing interface for judging the message is aggregation port, however, it is determined that be aggregation port, then online forwarding
Business board 1 is by the aggregation port information in table 2, port of the inquiry with the presence or absence of carrying mark from table 2.Through inquiry table 2
Understand, VSM0 port 1 and port 2 carry mark, then a port can be chosen from port 1 and port 2 as the message
Outgoing interface.Thus, the message that VSM0 is received will be forwarded preferentially from VSM0, be forwarded without striding equipment from VSM1.
Wherein, online forwarding service plate 1 can choose outgoing interface of the minimum port 1 of port numbers as above-mentioned message, will report
Text forwards from port 1, and the message for belonging to same stream with above-mentioned message of receipt of subsequent also forwards from port 1.Or
Person, outgoing interface of the port 1 as above-mentioned message also can be first chosen, what is received afterwards belongs to the message of same stream with above-mentioned message
Forwarded from port 1；The outgoing interface that port 2 is the stream is chosen after the message of Article 2 stream is received, receives Article 3 stream
Message after choose again port 1 be the stream outgoing interface, by that analogy, using port 1 and the poll of port 2 as outgoing interface.
S106, the message is forwarded from cascade channel.
In the embodiment of the present application, if it is determined that when the outgoing interface of above-mentioned message is aggregation port, but the online of VSM0 turns
It is not present the port for carrying mark in the aggregation port information that sending service plate 1 stores, i.e. now VSM0 port 1 and port 2
State may be Down or failure, and in such cases, online forwarding service plate 1 can choose an end from port 3 and port 4
Outgoing interface mouthful as the message, cascade channel of the message between VSM0 and VSM1 is transmitted to VSM1, then from VSM1 end
Mouth 3 or port 4 forward the message.
S107, the message is forwarded from the port actually found.
In the embodiment of the present application, can be according to actual lookup if the outgoing interface for finding message is not aggregation port
To port forward the message.For example, find the message outgoing interface be VSM0 port 3, then can by message directly from
VSM0 port 3 forwards.
In this application, master control borad can be searched from the aggregation port information of preservation belongs to any member equipment in VSM groups
Port, and to state in the port be UP port be marked, afterwards can be by the above-mentioned aggregation port information after mark
It is handed down to the online forwarding service plate of the member device., can be according to pre- afterwards when online forwarding service plate receives message
The forwarding-table item deposited determines whether the outgoing interface of the message is aggregation port, if aggregation port, then can be issued according to master control borad
Aggregation port information, be that above-mentioned message chooses outgoing interface from the port of tape label, so that the message into the member device
Forwarded from the port of the member device.
Compared with prior art, the application can be that online forwarding service plate issues the aggregation port letter for carrying port-mark
Breath, the port of the online forwarding service plate corresponding device in the mark only labeled polymer port information, online forwarding service plate from
When choosing outgoing interface in the port of tape label for the message that is received, it is ensured that the message into certain member device can be preferentially from this
Member device is forwarded, and to reduce the probability that message is forwarded by equipment room cascade channel, equipment room is cascaded so as to reduce
The bandwidth consumption of passage.
Corresponding with a kind of foregoing embodiment of the message forwarding method based on stream definition, present invention also provides a kind of base
In the embodiment of the apparatus for forwarding message of stream definition.
A kind of embodiment of the apparatus for forwarding message based on stream definition of the application can be applied on network devices.Device is real
Applying example can be realized by software, can also be realized by way of hardware or software and hardware combining.Exemplified by implemented in software, make
It is by corresponding meter in nonvolatile memory by the processor of the network equipment where it for the device on a logical meaning
Calculation machine programmed instruction reads what operation in internal memory was formed.For hardware view, as shown in figure 3, being based on for the application one kind
A kind of hardware structure diagram of the network equipment where flowing the apparatus for forwarding message of definition, except the processor shown in Fig. 3, internal memory, net
Outside network outgoing interface and nonvolatile memory, the network equipment in embodiment where device is generally according to the network equipment
Actual functional capability, other hardware can also be included, this is repeated no more.
Fig. 4 is refer to, Fig. 4 is a kind of based on the apparatus for forwarding message for flowing definition, the dress shown in the embodiment of the present application
Putting may include：Mark module 410, issue module 420, searching modul 430 and choose module 440.
Wherein, mark module 410, searched for the master control borad from the aggregation port information of preservation and belong to any member
The port of equipment, and the port that state in the port is UP is marked；
Module 320 is issued, it is online on the member device for the aggregation port information after mark to be handed down to
Forwarding service plate；
Searching modul 430, for when it is described receive message in line forwarding service plate after, looked into according to the forwarding-table item to prestore
Look for the outgoing interface of the message；
Module 440 is chosen, for when finding the outgoing interface of the message and being aggregation port, being issued according to master control borad
The aggregation port information chooses outgoing interface from the port of tape label, so that the message is forwarded from the outgoing interface.
In the embodiment of the present application, the selection module 440, is further used for：
The minimum port of port numbers is chosen from the port for carrying mark as outgoing interface；
Or
Poll chooses a port as outgoing interface from the port for carrying mark.
In the embodiment of the present application, described device also includes forwarding module 450, is used for：
If it is determined that the outgoing interface of the message is not aggregation port, then the message is forwarded from the port actually found.
In the embodiment of the present application, the aggregation port information includes being used as aggregation port in the port of the member device
Port numbers and port status.
The function of unit and the implementation process of effect specifically refer to and step are corresponded in the above method in said apparatus
Implementation process, it will not be repeated here.
For device embodiment, because it corresponds essentially to embodiment of the method, so related part is real referring to method
Apply the part explanation of example.Device embodiment described above is only schematical, wherein described be used as separating component
The unit of explanation can be or may not be physically separate, can be as the part that unit is shown or can also
It is not physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be according to reality
Need to select some or all of module therein to realize the purpose of application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
The preferred embodiment of the application is the foregoing is only, not limiting the application, all essences in the application
God any modification, equivalent substitution and improvements done etc., should be included within the scope of the application protection with principle.
Claims (8)
1. a kind of message forwarding method based on stream definition, it is characterised in that methods described is applied to any member in VSM networkings
Equipment, the equipment include master control borad, one or more online forwarding service plates, and methods described includes：
The master control borad searches the port for belonging to any member equipment from the aggregation port information of preservation, and in the port
State is that UP port is marked；
Online forwarding service plate aggregation port information after mark being handed down on the member device；
When it is described receive message in line forwarding service plate after, the outgoing interface of the message is searched according to the forwarding-table item that prestores；
If the outgoing interface for finding the message is aggregation port, according to the aggregation port information that master control borad issues from
Carry in the port of mark and choose outgoing interface, so that the message is forwarded from the outgoing interface.
2. according to the method for claim 1, it is characterised in that the aggregation port information issued according to master control borad
Outgoing interface is chosen from the port for carrying mark, including：
The minimum port of port numbers is chosen from the port for carrying mark as outgoing interface；
Or
Poll chooses a port as outgoing interface from the port for carrying mark.
3. according to the method for claim 1, it is characterised in that also include：
If the outgoing interface for finding the message is not aggregation port, the message is forwarded from the port actually found.
4. according to the method for claim 1, it is characterised in that the aggregation port information includes the end of the member device
Port numbers and port status in mouthful as aggregation port.
5. a kind of apparatus for forwarding message based on stream definition, it is characterised in that methods described is applied to any member in VSM networkings
Equipment, the equipment include master control borad, one or more online forwarding service plates, and described device includes：
Mark module, the port for belonging to any member equipment is searched from the aggregation port information of preservation for the master control borad,
And the port that state in the port is UP is marked；
Module is issued, for the online forwarding service plate aggregation port information after mark being handed down on the member device；
Searching modul, for when it is described receive message in line forwarding service plate after, according to being searched the forwarding-table item to prestore
The outgoing interface of message；
Module is chosen, for when finding the outgoing interface of the message and be aggregation port, described is gathered according to what master control borad issued
Close port information and choose outgoing interface from the port of tape label, so that the message is forwarded from the outgoing interface.
6. device according to claim 5, it is characterised in that the selection module, be further used for：
The minimum port of port numbers is chosen from the port for carrying mark as outgoing interface；
Or
Poll chooses a port as outgoing interface from the port for carrying mark.
7. device according to claim 5, it is characterised in that also including forwarding module, be used for：
If it is determined that the outgoing interface of the message is not aggregation port, then the message is forwarded from the port actually found.
8. device according to claim 5, it is characterised in that the aggregation port information includes the end of the member device
Port numbers and port status in mouthful as aggregation port.
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Cited By (6)
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| CN109905320A (en) * | 2019-02-25 | 2019-06-18 | 杭州迪普科技股份有限公司 | A kind of the message distribution method and device of aggregation port |
| CN109982384A (en) * | 2019-03-28 | 2019-07-05 | 新华三技术有限公司 | Message forwarding method, device, the network equipment and medium |
| WO2020083271A1 (en) * | 2018-10-22 | 2020-04-30 | 中兴通讯股份有限公司 | Aggregated link convergence method and apparatus, and storage medium |
| CN111245746A (en) * | 2020-01-13 | 2020-06-05 | 杭州迪普科技股份有限公司 | Message distribution method and device of VSM system |
| CN111327546A (en) * | 2020-02-25 | 2020-06-23 | 杭州迪普科技股份有限公司 | Message forwarding method and device |
| CN112165429A (en) * | 2020-09-11 | 2021-01-01 | 烽火通信科技股份有限公司 | Link aggregation convergence method and device for distributed switching equipment |
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| CN107332943A (en) * | 2017-06-27 | 2017-11-07 | 杭州迪普科技股份有限公司 | A kind of message forwarding method and device |
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