CN105306371B - A kind of route selection method and device of the network equipment - Google Patents
A kind of route selection method and device of the network equipment Download PDFInfo
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- CN105306371B CN105306371B CN201510593920.3A CN201510593920A CN105306371B CN 105306371 B CN105306371 B CN 105306371B CN 201510593920 A CN201510593920 A CN 201510593920A CN 105306371 B CN105306371 B CN 105306371B
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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
- H04L45/02—Topology update or discovery
Abstract
The invention discloses a kind of route selection method of network equipment and devices, in the present solution, the network equipment receives message, the destination IP including destination host in the message；According to the destination IP, at least one URL class corresponding with the destination IP is searched in pre-generated routing diagram；A URL class is selected at least one described URL class, and is searched and the corresponding outgoing interface of the URL class of selection or corresponding outgoing interface and next-hop in the routing diagram；And using the result found as the route selection result of the message.The scheme provided through the invention enables to routing policy configuration easy, and route selection method is more flexible and conveniently.
Description
Technical field
The present invention relates to field of communication technology more particularly to the route selection methods and device of a kind of network equipment.
Background technique
Routing refers to that the network equipment receives message from an interface, is carried out according to information such as the source of message, destination addresses
Orient and be forwarded to the process of another interface.Routing table is the class database of a storage in the network device, and routing table is deposited
Store up the path for being directed toward particular network address.The corresponding pass of three-dimensional in routing table containing destination network segment, outgoing interface and next-hop
System.The network equipment can carry out route selection according to routing table, then received message is transmitted on road according to message is received
After table coupling path, subsequent processing is carried out to message.
And routing table manually configures in the related technology, and routing table is all based on IP (Internet
Protocol Address, Internet protocol address) it is configured, and IP is not easy to remember and manage, so routing table is matched
It sets and height is required to the professional skill of configuration personnel.And routing is carried out according only to the IP in routing table in route selection, but also
Route selection is inflexible and easy.So needing a kind of new route selection method.
Summary of the invention
The embodiment of the invention provides a kind of route selection method of network equipment and device, to solve presently, there are
Routing table is configured based on IP, caused route selection problem not easy enough and flexible.
The embodiment of the invention provides a kind of route selection methods of network equipment, comprising:
The network equipment receives message, includes the destination IP of destination host in the message；
According to the destination IP, at least one URL corresponding with the destination IP is searched in pre-generated routing diagram
(Uniform Resource Locator, uniform resource locator) class；Wherein, include IP, URL class in the routing diagram, go out
Four-dimensional corresponding relationship between interface and next-hop；
In at least one described URL class select a URL class, and in the routing diagram search with selection described in
The corresponding outgoing interface of URL class or corresponding outgoing interface and next-hop；And using the result found as the routing of the message
Routing result.
Further, the embodiment of the invention also provides a kind of route selection devices of network equipment, comprising:
Message receiving module includes the destination IP of destination host for receiving message, in the message；
URL class searching module is used for according to the destination IP, lookup and the destination IP in pre-generated routing diagram
At least one corresponding URL class；Wherein, including the four-dimension between IP, URL class, outgoing interface and next-hop in the routing diagram
Corresponding relationship；
Route selection module for selecting a URL class at least one described URL class, and is searched in the routing diagram
With the corresponding outgoing interface of the URL class of selection or corresponding outgoing interface and next-hop；And using the result found as institute
State the route selection result of message.
The present invention has the beneficial effect that: the route selection method of the network equipment provided in an embodiment of the present invention, is based on URL class
Route selection is carried out, routing policy configuration is carried out based on URL class.The IP-based that compares routing policy configuration method and routing choosing
Path method, URL class are easier to remember and understand, can facilitate user configuration routing policy.In addition, the routing based on URL class
Routing, so as to compare IP-based route selection more flexible and easy for route selection.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 show the flow diagram of the route selection method of the network equipment described in the embodiment of the present invention one；
Fig. 2 show the structural schematic diagram one of the route selection device of the network equipment described in the embodiment of the present invention two；
Fig. 3 show the structural schematic diagram two of the route selection device of the network equipment described in the embodiment of the present invention two.
Specific embodiment
The embodiment of the invention provides a kind of route selection method of network equipment, the technical side described in the embodiment of the present invention
In case, due to being prefixed at least one URL class and each corresponding outgoing interface of URL class in preset Policy Table, then a kind of
The route selection of URL is identical, so, the route selection based on URL is realized in the embodiment of the present invention, compare IP, URL analogy
It is easier to remember and understand, user configuration routing policy can be facilitated.In addition, the route selection based on URL class, so that routing choosing
It is more flexible and easy that IP-based route selection is compared on road.
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Embodiment one:
As shown in Figure 1, its flow diagram for the route selection method of the network equipment described in the embodiment of the present invention one,
The method can comprise the following steps that
Step 101: the network equipment receives message, includes the destination IP of destination host in the message.
Step 102: according to the destination IP, lookup is corresponding with the destination IP at least in pre-generated routing diagram
One URL class；Wherein, including the four-dimensional corresponding relationship between IP, URL class, outgoing interface and next-hop in the routing diagram.
Step 103: selecting a URL class at least one described URL class, and search and select in the routing diagram
The corresponding outgoing interface of the URL class or corresponding outgoing interface and next-hop；And using the result found as the message
Route selection result.
Wherein, in one embodiment, be, for example, using outgoing interface as the case where route selection result: outgoing interface is point pair
Point interface, such as PPP (Point to Point Protocol, to an agreement) network interface.
Wherein, in one embodiment, it is, for example, using outgoing interface and next-hop as the case where route selection result: connects out
It when mouth is point-to-multipoint, multicast, broadcast interface, is all suitable for, such as the most common Ethernet interface；Outgoing interface specify message from which
A interface issues, and next-hop is available to the association such as ARP (Address Resolution Protocol, address resolution protocol)
View does the link layer packaging of message.
For ease of understanding, route selection method described in above steps is described in detail below:
Wherein, in one embodiment, in the embodiment of the present invention, if generating routing diagram needs following information；Routing table, domain
Name mark and IP correspondence set and preset Policy Table.It wherein, include domain name in domain name identification and IP correspondence set
The corresponding relationship of mark and IP.It include at least one URL class and the outgoing interface for the configuration of each URL class in preset Policy Table
(i.e. each corresponding outgoing interface of URL class)；Wherein, include at least one object in each URL class, include in each object
At least one URL.Wherein, when it is implemented, an object may belong to different URL classes.For example, URL class includes URL class A
With URL class B, in preset Policy Table, object C can belong to URL class A and URL class B simultaneously.
Further, due to the enormous amount of URL, for ease of description with the URL of same characteristic features, the object is used logical
It is indicated with the identical characters string in symbol and at least one described URL, such as asterisk wildcard is indicated with " * ", then " * .XXX.com "
Indicate the set with the URL of " .XXX.com " these character strings.
It should be noted that due to including domain name in URL, so for ease of understanding, domain name is regarded in the embodiment of the present invention
For a kind of special URL.
The routing diagram is generated according to following methods:
Step A1: the inquiry of the domain name response message that name server is sent is received, is wrapped in domain name inquiry response message
Include the domain name IP of the domain name identification of the domain name of inquiry and the domain name of inquiry.
Wherein, in one embodiment, due to being also possible that the domain name of inquiry in inquiry of the domain name request response message
Alias.Therefore domain name identification may include the alias of domain name and domain name in the embodiment of the present invention.For example, the domain name of user query is
Www.aa.com includes not only www.aa.com in inquiry of the domain name request response message, further includes www.aa.cc.com；This table
Show that www.aa.cc.com is also directed toward www.aa.com；So being the complete of the information of the domain name of guarantee inquiry in the embodiment of the present invention
Www.aa.cc.com and its corresponding IP also using www.aa.cc.com as domain name identification, and are added to domain name mark by whole property
In knowledge and IP correspondence set.
Step A2: in preset domain name identification and IP correspondence set, domain name mark and the domain are established
The corresponding relationship of name IP.
Step A3: according at least one URL class in the corresponding domain name identification of domain name IP and preset Policy Table,
Determine the URL class set that at least one URL class belonging to domain name mark is constituted.
Step A4: from routing table, each outgoing interface inquired in URL class set in the corresponding outgoing interface of each URL class is corresponding
Next-hop.
Step A5: establish that domain name IP, the URL class set, each URL class is corresponding in the URL class set goes out to connect
Mouthful and the URL class set in the four-dimension between the corresponding next-hop of each outgoing interface in the corresponding outgoing interface of each URL class
Corresponding relationship.
Above-mentioned steps A1 routes map generalization into step A5 for ease of understanding, is illustrated below with an example.Example
Such as, host A sends the inquiry of the domain name request of the domain name of inquiry host B to name server.Name server receives the domain name
An inquiry of the domain name request response message can be fed back after inquiry request, such as the domain name identification in the message including host B is domain
Name C, the IP of host B are D.The network equipment receives the inquiry of the domain name request response message during E-Packeting, then from
In parse domain name C and D, and the corresponding relationship of the domain name C and D that parse are added to domain name identification and IP corresponding relationship
In set.Then, the network equipment determines URL class belonging to domain name C according to the URL class in domain name C and preset Policy Table,
Such as determine domain name C belong to URL class 1 and URL class 2, in turn, according to preset Policy Table find out the corresponding outgoing interface 1 of URL class 1,
And the corresponding outgoing interface 2 of URL class 2；Then, the corresponding next-hop 1 of outgoing interface 1 is found out in the routing table, under outgoing interface 2 is corresponding
One jumps 2, then finally establish D and URL class 1, outgoing interface 1, the corresponding relationship of next-hop 1 and D and URL class 2, outgoing interface 2, under
One jumps 2 corresponding relationship.
In this way, what preset strategy expression was configured based on URL, it configures easy to be flexible.
Wherein, in one embodiment, the list item in routing table is optimal road of the user previously according to actual needs configuration
Diameter, so, in order to use routing table, in the embodiment of the present invention, step 102 is executed (i.e. in pre-generated routing diagram
Search corresponding with the destination IP at least one URL class) before, can also be searched in the routing table according to the destination IP and
The corresponding outgoing interface of the destination IP, and determine that the outgoing interface found is at least two.In this way, route selection will be first from routing
Carried out in table, if finding out multiple outgoing interfaces in routing table, through the embodiment of the present invention in routing diagram further choose one
A preferable path.
Wherein, in one embodiment, in order to choose optimal path, the URL class has preset level, when
When the destination IP corresponds to multiple URL classes, a URL class is selected in step 103 at least one described URL class, it can be specific
It executes to select the highest URL class of preset level at least one described URL class.It wherein, can also be according to each URL class
Generation sequencing be that each URL class sets a serial number, the higher grade of the smaller then URL class of serial number.Certainly, it is embodied
When, user can set according to actual needs, and it is not limited in the embodiment of the present invention.
Wherein, in one embodiment, in the embodiment of the present invention, preset Policy Table can be with ACL (Access Control
Lists, access control lists) it is associated, message is controlled with realizing, such as passes through or dropping packets.For example, preset plan
Sketch form can realize the security strategy based on URL, and illegal website is configured in a URL class, and the URL class is corresponded to outgoing interface
3, and security strategy is configured for outgoing interface 3, forbid user to access the website in such URL class.
Wherein, in one embodiment, route selection scheme provided in an embodiment of the present invention can also be with QoS (Quality
Of Service, service quality) function linkage, realize the flow control based on URL.For example, multiple video websites are configured to one
In URL class, and outgoing interface 4 is configured for such URL class, and configure qos policy to the realization flow control of such URL class in outgoing interface 4.
Wherein, in one embodiment, technical solution provided in an embodiment of the present invention can also be applied to application identification.It answers
It is usually completed by multiple components with identification function: condition code matching, flow model matching, and in mobile internet era, major part
APP (Application, using) it is all based on http protocol (HTTP, HyperText Transfer Protocol, hypertext
Transport protocol) realize, therefore can identify that message is which application is issued by obtaining the IP for the URL that APP is accessed.
To sum up, the route selection method of the network equipment provided in an embodiment of the present invention carries out route selection based on URL class,
Routing policy configuration is carried out based on URL class.The IP-based that compares routing policy configuration method and route selection method, URL class
It is easier to remember and understand, user configuration routing policy can be facilitated.In addition, the route selection based on URL class, so that routing
It is more flexible and easy that IP-based route selection is compared in routing.
Embodiment two
Based on identical inventive concept, the embodiment of the present invention also provides a kind of route selection device of network equipment, such as Fig. 2
Shown, which includes:
Message receiving module 201 includes the destination IP of destination host for receiving message, in the message；
URL class searching module 202, for being searched and the mesh in pre-generated routing diagram according to the destination IP
At least one corresponding URL class of IP；It wherein, include between IP, URL class, outgoing interface and next-hop in the routing diagram
Four-dimensional corresponding relationship；
Route selection module 203 for selecting a URL class at least one described URL class, and is looked into the routing diagram
It looks for and the corresponding outgoing interface of the URL class of selection or corresponding outgoing interface and next-hop；And using the result found as
The route selection result of the message.
Wherein, in one embodiment, as shown in figure 3, described device further include:
Routing diagram generation module 204, for generating the routing diagram according to following methods:
The inquiry of the domain name response message that name server is sent is received, includes inquiry in domain name inquiry response message
The domain name IP of the domain name of the domain name identification and inquiry of domain name；
In preset domain name identification and IP correspondence set, domain name mark and pair of domain name IP are established
It should be related to；
According at least one URL class in the corresponding domain name identification of domain name IP and preset Policy Table, determine described in
The URL class set that at least one URL class belonging to domain name identification is constituted；It wherein, include being pre-configured in the preset Policy Table
At least one URL class in each URL class and outgoing interface corresponding relationship；And
From routing table, each outgoing interface inquired in URL class set in the corresponding outgoing interface of each URL class is corresponding next
It jumps；
Establish domain name IP, the URL class set, in the URL class set the corresponding outgoing interface of each URL class and
The four-dimensional corresponding relationship between the corresponding next-hop of each outgoing interface in the URL class set in the corresponding outgoing interface of each URL class.
Wherein, in one embodiment, as shown in figure 3, described device further include:
Routing table lookup module 205, for the URL class searching module according to the destination IP, on pre-generated road
By being searched in the routing table according to the destination IP before searching corresponding with the destination IP at least one URL class in figure and
The corresponding outgoing interface of the destination IP, and determine that the outgoing interface found is at least two.
Wherein, in one embodiment, the URL class has preset level, and the route selection module 203 is specifically used for
The highest URL class of preset level is selected at least one described URL class.
It wherein, in one embodiment, include at least one object in the URL class, the object includes at least one
URL, and the identical characters string in object asterisk wildcard and at least one described URL indicates.
The route selection device of the network equipment provided in an embodiment of the present invention carries out route selection based on URL class, is based on
URL class carries out routing policy configuration.The configuration of the IP-based that compares routing policy and route selection, URL class are easier to remember
And understanding, user configuration routing policy can be facilitated.In addition, the route selection based on URL class, is based on so that route selection is compared
The route selection of IP is more flexible and easy.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, apparatus, system or calculate
Machine program product.Therefore, the present invention can be used complete hardware embodiment, complete software embodiment or combine software and hardware side
The form of the embodiment in face.Moreover, it wherein includes computer usable program code that the present invention, which can be used in one or more,
The computer implemented in computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of program product.
The present invention be referring to according to the method for the embodiment of the present invention, the flow chart of device (device) and computer program product
And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to
Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing units to generate
One machine so that by the instruction that the processor of computer or other programmable data processing units executes generate for realizing
The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing units with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing units, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of route selection method of the network equipment characterized by comprising
The network equipment receives message, includes the purpose Internet protocol address IP of destination host in the message；
According to the destination IP, at least one unified resource corresponding with the destination IP is searched in pre-generated routing diagram
Finger URL URL class；Wherein, including the four-dimensional corresponding relationship between IP, URL class, outgoing interface and next-hop in the routing diagram；
A URL class is selected at least one described URL class, and the URL class with selection is searched in the routing diagram
Corresponding outgoing interface or corresponding outgoing interface and next-hop；And using the result found as the route selection knot of the message
Fruit；
Wherein, include at least one object in each URL class, include at least one URL in each object.
2. the method according to claim 1, wherein the routing diagram is generated according to following methods:
The inquiry of the domain name response message that name server is sent is received, includes the domain name of inquiry in domain name inquiry response message
Domain name identification and inquiry domain name domain name IP；
In preset domain name identification and IP correspondence set, establishes domain name mark and the corresponding of domain name IP is closed
System；
According at least one URL class in the corresponding domain name identification of domain name IP and preset Policy Table, domain name is determined
The URL class set that at least one URL class belonging to mark is constituted；Wherein, in the preset Policy Table include it is preconfigured extremely
The corresponding relationship of each URL class and outgoing interface in a few URL class；And
From routing table, the corresponding next-hop of each outgoing interface in URL class set in the corresponding outgoing interface of each URL class is inquired；
Establish domain name IP, the URL class set, the corresponding outgoing interface of each URL class and described in the URL class set
The four-dimensional corresponding relationship between the corresponding next-hop of each outgoing interface in URL class set in the corresponding outgoing interface of each URL class.
3. the method according to claim 1, wherein described according to the destination IP, in pre-generated routing
Before searching at least one URL class corresponding with the destination IP in figure, the method also includes:
It searches outgoing interface corresponding with the destination IP in the routing table according to the destination IP, and determines the outgoing interface found
It is at least two.
4. according to the method described in claim 3, it is characterized in that, the URL class have preset level, it is described it is described at least
A URL class is selected in one URL class, is specifically included:
The highest URL class of preset level is selected at least one described URL class.
5. method according to any one of claims 1-4, which is characterized in that it include at least one object in the URL class,
The object includes at least one URL, and the identical characters string list in the object asterisk wildcard and at least one described URL
Show.
6. a kind of route selection device of network equipment characterized by comprising
Message receiving module includes the purpose Internet protocol address IP of destination host for receiving message, in the message；
URL class searching module, for being searched in pre-generated routing diagram corresponding with the destination IP according to the destination IP
At least one uniform resource position mark URL class；It wherein, include IP, URL class, outgoing interface and next-hop in the routing diagram
Between four-dimensional corresponding relationship；
Route selection module is searched and is selected for selecting a URL class at least one described URL class, and in the routing diagram
The corresponding outgoing interface of the URL class selected or corresponding outgoing interface and next-hop；And using the result found as the report
The route selection result of text；
Wherein, include at least one object in each URL class, include at least one URL in each object.
7. device according to claim 6, which is characterized in that described device further include:
Routing diagram generation module, for generating the routing diagram according to following methods:
The inquiry of the domain name response message that name server is sent is received, includes the domain name of inquiry in domain name inquiry response message
Domain name identification and inquiry domain name domain name IP；
In preset domain name identification and IP correspondence set, establishes domain name mark and the corresponding of domain name IP is closed
System；
According at least one URL class in the corresponding domain name identification of domain name IP and preset Policy Table, domain name is determined
The URL class set that at least one URL class belonging to mark is constituted；Wherein, in the preset Policy Table include it is preconfigured extremely
The corresponding relationship of each URL class and outgoing interface in a few URL class；And
From routing table, the corresponding next-hop of each outgoing interface in URL class set in the corresponding outgoing interface of each URL class is inquired；
Establish domain name IP, the URL class set, the corresponding outgoing interface of each URL class and described in the URL class set
The four-dimensional corresponding relationship between the corresponding next-hop of each outgoing interface in URL class set in the corresponding outgoing interface of each URL class.
8. device according to claim 6, which is characterized in that described device further include:
Routing table lookup module is looked into pre-generated routing diagram for the URL class searching module according to the destination IP
It looks for before at least one URL class corresponding with the destination IP, is searched in the routing table according to the destination IP and the purpose
The corresponding outgoing interface of IP, and determine that the outgoing interface found is at least two.
9. device according to claim 8, which is characterized in that the URL class have preset level, the route selection module,
Specifically for selecting the highest URL class of preset level at least one described URL class.
10. according to the device any in claim 6-9, which is characterized in that include that at least one is right in the URL class
As, the object includes at least one URL, and the identical characters in the object asterisk wildcard and at least one described URL
String indicates.
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| CN102143243A (en) * | 2010-10-28 | 2011-08-03 | 华为终端有限公司 | Dynamic routing processing method and dynamic routing processing device and home gateway thereof |
| CN103023778A (en) * | 2012-12-05 | 2013-04-03 | 华为技术有限公司 | Method and device for selecting path for router |
| CN103873372A (en) * | 2012-12-14 | 2014-06-18 | 华耀(中国)科技有限公司 | Domain-name-based policy routing system and setting method |
| CN103888358A (en) * | 2012-12-20 | 2014-06-25 | 中国移动通信集团公司 | Routing method, device, system and gateway equipment |
| CN104618242A (en) * | 2015-02-12 | 2015-05-13 | 杭州华三通信技术有限公司 | Method and device for transferring message |
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|---|---|---|---|---|
| CN102143243A (en) * | 2010-10-28 | 2011-08-03 | 华为终端有限公司 | Dynamic routing processing method and dynamic routing processing device and home gateway thereof |
| CN103023778A (en) * | 2012-12-05 | 2013-04-03 | 华为技术有限公司 | Method and device for selecting path for router |
| CN103873372A (en) * | 2012-12-14 | 2014-06-18 | 华耀(中国)科技有限公司 | Domain-name-based policy routing system and setting method |
| CN103888358A (en) * | 2012-12-20 | 2014-06-25 | 中国移动通信集团公司 | Routing method, device, system and gateway equipment |
| CN104618242A (en) * | 2015-02-12 | 2015-05-13 | 杭州华三通信技术有限公司 | Method and device for transferring message |
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| CN105306371A (en) | 2016-02-03 |
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