CN108173762A - Message redirecting method and apparatus - Google Patents
Message redirecting method and apparatus Download PDFInfo
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- CN108173762A CN108173762A CN201711483634.7A CN201711483634A CN108173762A CN 108173762 A CN108173762 A CN 108173762A CN 201711483634 A CN201711483634 A CN 201711483634A CN 108173762 A CN108173762 A CN 108173762A
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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
- H04L45/66—Layer 2 routing, e.g. in Ethernet based MAN's
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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
- H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
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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
- H04L45/36—Backward learning
Abstract
The application provides a kind of device of message redirecting method, applied to the network equipment for including multiple ports for belonging to different operating system grade virtual environment OVC, including：When detecting interconnection port, the correspondence between interconnection port and the mark of the affiliated OVC of interconnection port is preserved；Close the MAC address learning function for interconnection port；When by non-interconnected port, receiving target MAC (Media Access Control) address and hitting the message of MAC Address list item that the non-interconnected affiliated OVC in port is used, judge the mark of the affiliated OVC in port in MAC Address list item, with the affiliated OVC in non-interconnected port identify whether it is identical；If the two is different, based on correspondence, by message redirecting to the affiliated OVC in non-interconnected port, interconnection port corresponding with the mark of the affiliated OVC in the port in MAC Address list item.Technical scheme can avoid the occurrence of the problem of network equipment can not be forwarded message.
Description
Technical field
This application involves field of communication technology more particularly to a kind of message redirecting method and apparatus.
Background technology
OCV (OS-Level Virtual Context, OS-Level virtual environment) technology is a kind of by a physics
Equipment invents the virtualization technology of multiple logical device.By OVC technologies, operating system nucleus can be same physical equipment
In each OVC distribute independent port, cpu resource, memory source, session number, route table items quantity, security strategy quantity etc.
A series of software and hardware resource, and independent management of process, memory management, disk management are carried out for each OVC, so as to
It can realize that each OVC from management plane, the comprehensive isolation of control plane, data plane, service plane, is formed each complete
Independent logical device.
Invention content
In view of this, the application provides a kind of message redirecting method and apparatus.
Specifically, the application is achieved by the following technical solution：
In a first aspect, the application provides a kind of message redirecting method, the method is applied to the network equipment, the network
Equipment includes multiple ports for belonging to different operating system grade virtual environment OVC, the method includes：
When detecting interconnection port, between the mark for preserving the interconnection port and the affiliated OVC of the interconnection port
Correspondence；
Close the MAC address learning function for the interconnection port；
By non-interconnected port, receive target MAC (Media Access Control) address and hit the MAC that the non-interconnected affiliated OVC in port is used
During the message of address list item, the mark of the affiliated OVC in port in the MAC Address list item is judged, with the non-interconnected port institute
Identifying whether for category OVC is identical；
It, will be belonging to the message redirecting to the non-interconnected port based on the correspondence if the two is different
In OVC, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item.
Second aspect, the application provide a kind of message redirecting device, and described device is applied to the network equipment, the network
Equipment includes multiple ports for belonging to different operating system grade virtual environment OVC, and described device includes：
Storage unit, for when detecting interconnection port, preserving the interconnection port and the affiliated OVC of the interconnection port
Mark between correspondence；
Closing unit, for closing the MAC address learning function for the interconnection port；
Judging unit, for by non-interconnected port, receiving target MAC (Media Access Control) address and hitting belonging to the non-interconnected port
During the message of MAC Address list item that OVC is used, the mark of the affiliated OVC in port in the MAC Address list item is judged, it is and described
Identifying whether for the non-interconnected affiliated OVC in port is identical；
Unit is redirected, in the two difference, based on the correspondence, by the message redirecting to described non-
In the affiliated OVC of interconnection port, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item.
Above-mentioned technical proposal is analyzed it is found that MAC address learning function due to closing interconnection port, will not learn again
The MAC Address list item of the correspondence of the source MAC and interconnection port for recorded message is practised, and can only be learnt to being used for
The MAC Address list item of the source MAC of recorded message and the correspondence of non-interconnected port.On the other hand, for by non-mutual
For the message of target MAC (Media Access Control) address hit MAC Address list item that even port receives, if the non-interconnected affiliated OVC in port
Mark is different from the mark of the affiliated OVC in port in the MAC Address list item, then can be by the message redirecting to the non-interconnected end
In OVC belonging to mouthful, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item, so as to making the MAC
The affiliated OVC in port in the list item of location can receive the message by the interconnection port, and pass through the end in the MAC Address list item
Mouth is forwarded the message.In this manner, can avoid the occurrence of that the network equipment can not be forwarded message asks
Topic, you can to avoid packet loss, the continuity and reliability of business processing can be improved in practical applications.
Description of the drawings
Fig. 1 is the schematic diagram of the OVC in network equipment a kind of；
Fig. 2 is a kind of flow chart of message redirecting method shown in one exemplary embodiment of the application；
Fig. 3 is a kind of hardware configuration of message redirecting device place equipment shown in one exemplary embodiment of the application
Figure；
Fig. 4 is a kind of block diagram of message redirecting device shown in one exemplary embodiment of the application.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar 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 device 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.
It is also intended in the application and " one kind " of singulative used in the attached claims, " described " and "the" including majority
Form, unless context clearly shows that other meanings.It is also understood that term "and/or" used herein refers to and wraps
Containing one or more associated list items purposes, 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, not departing from
In the case of the application range, 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 ".
In general, in consolidated network equipment, the operation of each OVC is independent of each other.It for example, may in Campus Networks
There are two user groups of Intranet and outer net, Intranet user only allows to access intranet server, and external user only allows to access outer net
Server.Using OVC technologies, need to only set up a set of physical network, and in the physical network on the relevant network equipment will in
The port assignment that network users/server is connected with external user/server gives different OVC, you can makes interior Network Communication and outer net
Communication is independent of each other.
However, it is certain it is special in the case of, it may be necessary to OVC different in consolidated network equipment is attached.Please
It is the schematic diagram of the OVC in network equipment a kind of with reference to figure 1.As shown in Figure 1, port 1 and port 2 are assigned to OVC1, and hold
Mouth 3 and port 4 are then assigned to OVC2.Wherein, port 2 and port 3 connect, so as to make OVC1 and OVC2 direct-connected.
In the relevant technologies, as OVC1 and OVC2 direct-connected, OVC1 and OVC2 can use same mac address table.OVC1 is logical
When crossing port 1 and receiving message, the message can be based on, carries out MAC address learning for port 1, i.e. OVC1 can be by the message
Source MAC and the correspondence of port 1, are saved in as MAC Address list item in the mac address table that OVC1 is used.Subsequently,
The message can be sent to OVC2 by OVC1 by port 2, and since port 2 is connect with port 3, OVC2 can be connect by port 3
The message is received, and based on the message, carries out MAC address learning for port 3, i.e. OVC2 can be by the source MAC of the message
With the correspondence of port 3, mac address table that OVC2 uses (the i.e. MAC that OVC1 is used is saved in as MAC Address list item
Location table) in.In addition, OVC2 can also will be used to record the source MAC and the correspondence of port 1 MAC in the mac address table
Address list item is deleted, to avoid there is the problem of same MAC Address corresponds to multiple ports.
In this way, when OVC2 receives the message that target MAC (Media Access Control) address is above-mentioned source MAC, due to the target MAC (Media Access Control) address
In the mac address table that hit OVC2 is used, for recording the mac address table of the target MAC (Media Access Control) address and the correspondence of port 3
, therefore OVC2 can be forwarded the message by port 3.Since port 3 is connect with port 2, OVC1 can pass through end
Mouth 2 receives the message, does not preserve to record the target MAC (Media Access Control) address and end in the mac address table used however, as OVC1
The MAC Address list item of the correspondence of mouth 1, therefore OVC1 can not determine the corresponding port of the target MAC (Media Access Control) address, thus can not be right
The message is forwarded, and causes packet loss.
To solve the above-mentioned problems, the application provides a kind of message redirecting method and apparatus, is set to avoid there is network
Standby the problem of message can not being forwarded.It please refers to Fig.2, is reset for a kind of message shown in one exemplary embodiment of the application
To the flow chart of method.The message redirecting method can be applied to the network equipment, which includes multiple ports, these
Port is assigned to multiple and different OVC.The message redirecting method may comprise steps of：
Step 201：When detecting interconnection port, the mark of the interconnection port and the affiliated OVC of the interconnection port is preserved
Correspondence between knowledge.
In the present embodiment, the network equipment can preserve the interconnection port and the interconnection end when detecting interconnection port
Correspondence between the mark of OVC belonging to mouthful.Wherein, the mark of OVC can be pre-set by user, and different OVC has
There is different marks, such as：User can be that each OVC sets marks of the class_ID as the OVC, and different OVC has
There is different class_ID.
Specifically, in the network device, message can be sent by each port (be known as first port) by CPU, and
Other ports (referred to as second port) in addition to the port for sending the message detect whether to receive the message.If at certain
One second port receives the message, then can determine that the second port and the first port are interconnection port, so as to protect
Deposit the first port, the identification information of the affiliated OVC of the first port and the second port, the mark of the affiliated OVC of the second port
Correspondence between information.
By taking the network equipment shown in FIG. 1 as an example, in the network equipment, can port 1 to port 4 be passed through by CPU respectively
Send message.For the message sent by port 1, it can detect whether to receive in port 2, port 3, port 4 respectively
To the message；For the message sent by port 2, it can detect whether to receive in port 1, port 3, port 4 respectively
To the message；And so on.It (can also be received in port 2 since the message sent by port 2 can be received in port 3
To the message sent by port 3), thus may determine that port 2 and port 3 are interconnection port.Assuming that OVC1's is identified as 1,
OVC2's is identified as 2, then can preserve correspondence as shown in table 1 below：
| Interconnection port 1 | OVC belonging to interconnection port 1 | Interconnection port 2 | OVC belonging to interconnection port 2 |
| Port 2 | 1 | Port 3 | 2 |
Table 1
Step 202：Close the MAC address learning function for the interconnection port.
In the present embodiment, it after all interconnection ports being determined in abovementioned steps 201, can close for these mutually
The even MAC address learning function of port.
Continue by taking Fig. 1 as an example, after determining port 2 and port 3 for interconnection port, can close for 2 He of port
The MAC address learning function of port 3.In this case, when OVC1 receives message by port 1, this can still be reported
The source MAC of text and the correspondence of port 1, are saved in as MAC Address list item in the mac address table that OVC1 is used；And
When OVC2 receives the message by port 3, then will not by the correspondence of the source MAC of the message and port 3, as
MAC Address list item is saved in the mac address table that OVC2 is used, i.e. use can be only preserved in the mac address table that OVC1/OVC2 is used
In the MAC Address list item for recording the source MAC and the correspondence of port 1, the purpose MAC that OVC1 is received by port 1
Address is that the message of the source MAC and OVC2 pass through report that the target MAC (Media Access Control) address that port 2 receives is the source MAC
Text can determine to hit the MAC Address list item.
Step 203：By non-interconnected port, receiving the target MAC (Media Access Control) address hit non-interconnected affiliated OVC in port makes
During the message of MAC Address list item, the mark of the affiliated OVC in port in the MAC Address list item is judged, it is and described non-interconnected
Identifying whether for the affiliated OVC in port is identical.
Step 204：If the two is different, based on the correspondence, by the message redirecting to described non-interconnected
In the affiliated OVC in port, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item.
In the present embodiment, it if by non-interconnected port, receives target MAC (Media Access Control) address and hits belonging to the non-interconnected port
The message of MAC Address list item that OVC is used then can first judge the mark of the affiliated OVC in port in the MAC Address list item of hit
Know, with the non-interconnected affiliated OVC in port identify whether it is identical.
It, can be based on belonging to the interconnection port and the interconnection port preserved in abovementioned steps 201 if the two is different
Correspondence between the mark of OVC, by the message redirecting to the non-interconnected affiliated OVC in port, with the MAC Address list item
In the affiliated OVC in port the corresponding interconnection port of mark.
But if the two is identical, then the message can be forwarded directly by the non-interconnected port.
Continue by taking Fig. 1 as an example, it is assumed that OVC2 receives the report that target MAC (Media Access Control) address is above-mentioned source MAC by port 4
Text, then since the target MAC (Media Access Control) address hits the MAC Address list item for recording the source MAC and the correspondence of port 1
(i.e. the MAC Address list item that OVC2 belonging to port 4 is used), therefore can first judge the mark of OVC1 belonging to port 1 and 4 institute of port
Identifying whether for category OVC2 is identical.Due to OVC1 be identified as 1, OVC2 be identified as 2, the two simultaneously differs, therefore can root
According to the correspondence shown in upper table 1, by the message redirecting to OVC2 port 3 (i.e. in OVC2 belonging to port 4 with port 1
The corresponding interconnection port of mark of affiliated OVC1), so as to which OVC1 be allow to receive the message by port 2, and pass through port 1
The message is forwarded.
But if OVC1 receives the message that target MAC (Media Access Control) address is above-mentioned source MAC by port 1, then due to the mesh
MAC Address hit MAC Address list item in port be port 1, meet the affiliated OVC in port in the MAC Address list item
Mark, the condition identical with the mark of the non-interconnected affiliated OVC in port, therefore OVC1 can be directly by port 1 to the report
Text is forwarded.
In practical applications, ACL (Access Control List, accesses control list) may be used and realize message weight
Orientation.Specifically, it in abovementioned steps 201, is preserving between the interconnection port and the mark of the affiliated OVC of the interconnection port
Correspondence after, the corresponding ACL strategies for message redirecting can be generated.Subsequently, it by non-interconnected port, connects
When receiving target MAC (Media Access Control) address and hitting the message of MAC Address list item that the non-interconnected affiliated OVC in port is used, if the MAC Address
The mark of the affiliated OVC in port in list item, it is different from the mark of the non-interconnected affiliated OVC in port, then it can be directly based upon the ACL
Strategy, by the message redirecting to the non-interconnected affiliated OVC in port, the mark with the affiliated OVC in port in the MAC Address list item
Know corresponding interconnection port.
In general, by taking the network equipment shown in FIG. 1 as an example, due to closing port 2 and the two interconnection ports of port 3
MAC address learning function, therefore will not learn again to the source MAC for recorded message and the correspondence of port 3
MAC Address list item, and the mac address table for the correspondence that can only learn to the source MAC for recorded message and port 1
.On the other hand, for OVC2 hits the message of the MAC Address list item by the target MAC (Media Access Control) address that port 4 receives,
Then can be by the message redirecting to port 3, so as to which OVC1 be allow to receive the message by port 2, and it is right to pass through port 1
The message is forwarded.Message can not be forwarded it can be seen that technical scheme can avoid the occurrence of the network equipment
The problem of, you can to avoid packet loss, the continuity and reliability of business processing can be improved in practical applications.
Corresponding with the embodiment of aforementioned message redirecting method, present invention also provides the implementations of message redirecting device
Example.
The embodiment of the application message redirecting device can be applied on network devices.Device embodiment can be by soft
Part is realized, can also be realized by way of hardware or software and hardware combining.For implemented in software, as a logical meaning
On device, be to be read computer program instructions corresponding in nonvolatile memory by the processor of equipment where it
Operation is formed in memory.For hardware view, as shown in figure 3, the network equipment where the application message redirecting device
A kind of hardware structure diagram, it is real other than processor shown in Fig. 3, memory, network interface and nonvolatile memory
Actual functional capability of the network equipment in example where device generally according to the message redirecting is applied, other hardware can also be included, it is right
This is repeated no more.
It please refers to Fig.4, is a kind of block diagram of message redirecting device shown in one exemplary embodiment of the application.The message
Redirection device 400 can be applied to the network equipment shown in Fig. 3, including：
Storage unit 401, for when detecting interconnection port, preserving belonging to the interconnection port and the interconnection port
Correspondence between the mark of OVC；
Closing unit 402, for closing the MAC address learning function for the interconnection port；
Judging unit 403, for by non-interconnected port, receiving target MAC (Media Access Control) address and hitting the non-interconnected port
During the message of MAC Address list item that affiliated OVC is used, the mark of the affiliated OVC in port in the MAC Address list item is judged, with
Identifying whether for the affiliated OVC in non-interconnected port is identical；
Unit 404 is redirected, in the two difference, based on the correspondence, by the message redirecting to institute
It states in the affiliated OVC in non-interconnected port, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item.
In an optional embodiment, described device 400 can also include：
Detection unit 405 for sending message by first port, and detects whether in second port to receive the report
Text；
Determination unit 406, if for receiving the message in the second port, it is determined that the first port and
The second port is interconnection port；
The storage unit 401 can include：
Subelement 4011 is preserved, for preserving the first port, the identification information of the affiliated OVC of the first port and institute
State second port, the affiliated OVC of the second port identification information between correspondence.
In another optional embodiment, described device 400 can also include：
Retransmission unit 407, for when the two is identical, by the non-interconnected port, being forwarded to the message.
In another optional embodiment, described device 400 can also include：
Generation unit 408, for preserving pair between the interconnection port and the mark of the affiliated OVC of the interconnection port
After should being related to, corresponding ACL strategies are generated；
The redirection unit 404 can include：
Subelement 4041 is redirected, for being based on the ACL strategies, by the message redirecting to the non-interconnected port
In affiliated OVC, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item.
In another optional embodiment, different OVC has different marks.
The function of each unit and the realization process of effect specifically refer to and step are corresponded in the above method in above device
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related part is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separating component
The unit of explanation may or may not be physically separate, and the component shown as unit can be or can also
It is not physical unit, you can be located at a place or can also be distributed in multiple network element.It can be according to reality
It needs that some or all of module therein is selected 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 foregoing is merely the preferred embodiment of the application, not limiting the application, all essences in the application
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of the application protection.
Claims (10)
- A kind of 1. message redirecting method, which is characterized in that the method is applied to the network equipment, and the network equipment includes more A port for belonging to different operating system grade virtual environment OVC, the method includes：When detecting interconnection port, preserve corresponding between the interconnection port and the mark of the affiliated OVC of the interconnection port Relationship；Close the MAC address learning function for the interconnection port；By non-interconnected port, receive target MAC (Media Access Control) address and hit the MAC Address that the non-interconnected affiliated OVC in port is used During the message of list item, the mark of the affiliated OVC in port in the MAC Address list item is judged, with the non-interconnected affiliated OVC in port Identify whether it is identical；If the two is different, based on the correspondence, by the message redirecting to the non-interconnected affiliated OVC in port In, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item.
- 2. according to the method described in claim 1, it is characterized in that, the method further includes：Message is sent by first port, and detects whether in second port to receive the message；If receive the message in the second port, it is determined that the first port and the second port is interconnect end Mouthful；The correspondence preserved between the interconnection port and the mark of the affiliated OVC of the interconnection port, including：Preserve the first port, the identification information of the affiliated OVC of the first port and the second port, the second port Correspondence between the identification information of affiliated OVC.
- 3. according to the method described in claim 1, it is characterized in that, the method further includes：If the two is identical, by the non-interconnected port, the message is forwarded.
- 4. according to the method described in claim 1, it is characterized in that, the method further includes：After the correspondence between the interconnection port and the mark of the affiliated OVC of the interconnection port is preserved, generation corresponds to ACL strategy；It is described based on the correspondence, by the message redirecting to the non-interconnected affiliated OVC in port, with the MAC The corresponding interconnection port of mark of the affiliated OVC in port in address list item, including：Based on ACL strategies, by the message redirecting to the non-interconnected affiliated OVC in port, with the mac address table The corresponding interconnection port of mark of the affiliated OVC in port in.
- 5. according to the method described in claim 1, it is characterized in that, different OVC has different marks.
- 6. a kind of message redirecting device, which is characterized in that described device is applied to the network equipment, and the network equipment includes more A port for belonging to different operating system grade virtual environment OVC, described device include：Storage unit, for when detecting interconnection port, preserving the mark of the interconnection port and the affiliated OVC of the interconnection port Correspondence between knowledge；Closing unit, for closing the MAC address learning function for the interconnection port；Judging unit, for by non-interconnected port, receiving target MAC (Media Access Control) address and hitting the non-interconnected affiliated OVC in port During the message of MAC Address list item used, judge the mark of the affiliated OVC in port in the MAC Address list item, with it is described it is non-mutually Identifying whether for the company affiliated OVC in port is identical；Unit is redirected, in the two difference, based on the correspondence, by the message redirecting to described non-interconnected In the affiliated OVC in port, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item.
- 7. device according to claim 6, which is characterized in that described device further includes：Detection unit for sending message by first port, and detects whether in second port to receive the message；Determination unit, if for receiving the message in the second port, it is determined that the first port and described Two-port netwerk is interconnection port；The storage unit includes：Subelement is preserved, for preserving the first port, the identification information of the affiliated OVC of the first port and the second end Mouthful, the correspondence between the identification information of the affiliated OVC of the second port.
- 8. device according to claim 6, which is characterized in that described device further includes：Retransmission unit, for when the two is identical, by the non-interconnected port, being forwarded to the message.
- 9. device according to claim 6, which is characterized in that described device further includes：Generation unit, for preserving the correspondence between the interconnection port and the mark of the affiliated OVC of the interconnection port Later, corresponding ACL strategies are generated；The redirection unit includes：Subelement is redirected, for being based on the ACL strategies, by the message redirecting to the non-interconnected affiliated OVC in port In, interconnection port corresponding with the mark of the affiliated OVC in port in the MAC Address list item.
- 10. device according to claim 6, which is characterized in that different OVC has different marks.
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| CN109347851A (en) * | 2018-11-06 | 2019-02-15 | 杭州迪普科技股份有限公司 | A kind of request responding method and device |
| CN109347851B (en) * | 2018-11-06 | 2021-11-02 | 杭州迪普科技股份有限公司 | Request response method and device |
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