CN106302188A - The multicast message transmission control method of a kind of switch device and device - Google Patents
The multicast message transmission control method of a kind of switch device and device Download PDFInfo
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- CN106302188A CN106302188A CN201510253336.3A CN201510253336A CN106302188A CN 106302188 A CN106302188 A CN 106302188A CN 201510253336 A CN201510253336 A CN 201510253336A CN 106302188 A CN106302188 A CN 106302188A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/20—Support for services
- H04L49/201—Multicast operation; Broadcast operation
Abstract
The present invention provides multicast message transmission control method and the device of a kind of switch device, in order to solve in current multicasting technology, and the problem that harmful or garbage are sent to user by exchange opportunity.The method includes: obtain Protocol IP address and the purpose IP address of interconnection between the source network of multicast group from the IGMP message received；The source IP address of multicast group is mated with the source IP address pre-set and purpose IP address with purpose IP address；In the case of the match is successful, forbid forwarding IGMP message, in the case of it fails to match, IGMP message is forwarded to IGMP Snooping module and makes multicast group and group member's opening relationships, the program realizes some having been identified, harmful or useless multicast filters, it is ensured that the safety of user data.
Description
Technical field
The present invention relates to communication field, the multicast message particularly relating to a kind of switch device forwards controlling party
Method and device.
Background technology
Multicasting technology efficiently solves single-point transmission, the problem of multipoint reception, it is achieved that IP network midpoint
Efficient data transmission to multiple spot, it is possible to save the network bandwidth in a large number, reduce offered load.As a kind of with
The communication mode that clean culture is arranged side by side with broadcast, the meaning of multicast is not only in that this, it is often more important that, it is possible to use
The multicast feature of network provides the value-added service that some are new easily, including the most live, Web TV, remote
The information service field of the Internets such as Cheng Jiaoyu, tele-medicine, network radio station, real-time video meeting.Multicast
The realization of technology is that (Internet Group Management Protocol, Internet group is managed by IGMP
Reason agreement) set up the corresponding relation of multicast group and member, the forwarding of multicast is then carried out according to this relation,
As shown in Figure 1.The switch product of main flow has supported IGMPV2.0, the most by IGMP Snooping at present
Function foundation group and the relation of group membership.But switch does not carry out necessity to the foundation of this relation
Controlling, as long as i.e. port receives IGMP protocol massages, switch will carry out group and group according to protocol contents
The foundation of member relation also carries out corresponding multicast forwarding, the most then can cause some harmful or useless letters
Breath is forwarded to user, works the mischief user.
Summary of the invention
The present invention provides multicast message transmission control method and the device of a kind of switch device, in order to solve mesh
In front multicasting technology, the problem that harmful or garbage are sent to user by exchange opportunity.
According to an aspect of the invention, it is provided the multicast message transmission control method of a kind of switch device,
Including: from the IGMP message received, obtain the Protocol IP address of interconnection between the source network of multicast group
And purpose IP address；By the source IP address of multicast group and purpose IP address and the source IP ground pre-set
Location and purpose IP address are mated；In the case of the match is successful, forbid forwarding IGMP message,
In the case of it fails to match, IGMP message is forwarded to IGMP Snooping module make multicast group with
Group member's opening relationships.
Wherein, the source IP address and the purpose IP address that pre-set are stored in the configuration file pre-set
In, the configuration file pre-set at least includes following a kind of information: the source IP ground of multicast group need to be filtered
It is virtual that location and purpose IP address, the source port that need to filter multicast group and the multicast group that need to filter use
LAN VLAN.
Further, said method also includes: in the source obtaining multicast group from the IGMP message received
Before IP address and purpose IP address, according to the control instruction the received configuration file to pre-setting
In control entries be ranked up, merge or separate.
Wherein, by the source IP address of multicast group and purpose IP address and the source IP address pre-set and mesh
IP address mate, including: read in configuration file the filtration content pre-set, will read
Content formed chained list；Each control entries of traversal chained list, and by the source IP ground in each control entries
Location, purpose IP address are mated with source IP address and the purpose IP address of multicast group.
Wherein, by the source IP address of multicast group and purpose IP address and the source IP address pre-set and mesh
IP address mate, including: judge the source IP address of multicast group whether with the source IP ground pre-set
Location is identical or falls into the source IP address scope pre-set, or judge the purpose IP address of multicast group whether with
The purpose IP address pre-set is identical or falls into the purpose IP address range pre-set, or judges multicast
Group source IP address and purpose IP address the most respectively with the source IP address pre-set and purpose IP
Address is identical or falls in the source IP address scope and purpose IP address range pre-set；If it is determined that
It is yes, it is determined that the source IP address of multicast group and purpose IP address and the source IP address pre-set and mesh
IP address coupling, if it is not, then determine the source IP address of multicast group and purpose IP address and pre-set
Source IP address and purpose IP address do not mate.
According to another aspect of the present invention, it is provided that the multicast message of a kind of switch device forwards and controls dress
Put, including: acquisition module, between the source network obtaining multicast group from the IGMP message received
The Protocol IP address of interconnection and purpose IP address；Matching module, for by the source IP address of multicast group with
Purpose IP address is mated with the source IP address pre-set and purpose IP address；Control module, uses
In in the case of the match is successful, forbid forwarding IGMP message, in the case of it fails to match, by IGMP
Message is forwarded to IGMP Snooping module and makes multicast group and group member's opening relationships.
Wherein, the source IP address and the purpose IP address that pre-set are stored in the configuration file pre-set
In, the configuration file pre-set at least includes following a kind of information: the source IP ground of multicast group need to be filtered
It is virtual that location and purpose IP address, the source port that need to filter multicast group and the multicast group that need to filter use
LAN VLAN.
Further, said apparatus also includes: arrange module, for from the IGMP message received
Before obtaining source IP address and the purpose IP address of multicast group, according to the control instruction received in advance
Control entries in the configuration file arranged is ranked up, merges or separates.
Wherein, above-mentioned matching module includes: read unit, for reading the mistake pre-set in configuration file
Filter content, forms chained list by the content read；Matching unit, for traveling through each control entries of chained list,
And by the source IP address in each control entries, the source IP address of purpose IP address and multicast group and purpose
IP mates address.
Wherein, above-mentioned matching module, including: judging unit, for judging that the source IP address of multicast group is
Source IP address that is no and that pre-set is identical or falls into the source IP address scope pre-set, or judges multicast
The purpose IP address of group is the most identical with the purpose IP address pre-set or falls into purpose IP pre-set
Address realm, or judge the source IP address of multicast group and purpose IP address the most respectively with pre-set
Source IP address and purpose IP address are identical or fall into the source IP address scope and purpose IP pre-set
In address realm；Determine unit, for when the judged result of judging unit is for being, it is determined that multicast group
Source IP address and purpose IP address are mated with the source IP address pre-set and purpose IP address, if
When judged result at judging unit is no, it is determined that the source IP address of multicast group and purpose IP address are with pre-
The source IP address and the purpose IP address that first arrange are not mated.
The multicast message transmission control method of the switch device that the present embodiment provides, multicast group and group membership
Before opening relationships, by the source IP address pre-set and purpose IP address and the source of multicast group data
IP address and purpose IP address are mated, and determine whether to carry out multicast group data according to matching result
Filter, thus realize the control that multicast member is forwarded, thus realize some have been identified harmful or useless
Multicast packet filter, and then not only save broadband and switch resource, it is also possible to strengthen switch
Safety and Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the flow process of the multicast message transmission control method of the switch device that the embodiment of the present invention 1 provides
Figure；
Fig. 2 is the flow process of the multicast message transmission control method of the switch device that the embodiment of the present invention 2 provides
Figure；
Fig. 3 is the process chart forming multicast control entries chained list in the embodiment of the present invention 2；
Fig. 4 is the process chart controlling multicast group and the foundation of group membership's relation in the embodiment of the present invention 2；
Fig. 5 is that in the embodiment of the present invention 2, multicast data flow is carried out the handling process forwarded by group and group membership relation
Figure；
Fig. 6 is the structure of the multicast message forwarding controller of the switch device that the embodiment of the present invention 3 provides
Block diagram.
Detailed description of the invention
In order to solve in the current multicasting technology of prior art, harmful or garbage are sent to use by exchange opportunity
The problem of the problem at family, the invention provides multicast message transmission control method and the dress of a kind of switch device
Put, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that this
Specific embodiment described by place, only in order to explain the present invention, does not limit the present invention.
Embodiment 1
Present embodiments providing the multicast message transmission control method of a kind of switch device, the method is for right
Multicast forwarding is controlled, to filter some dangerous or insignificant information, due to multicast forwarding be divided into
Lower two stages: foundation group and group membership's relation stage；Root Ju member relation forwards the stage accordingly.
At second stage, multicast group is set up with group membership's relation, and corresponding multicast data flow can be sent to become accordingly
Member's port, now can be controlled by ACL, but this can consume substantial amounts of acl entry and switch
Resource, so the present embodiment is by controlling the multicast group foundation with group membership's relation to reach to control multicast forwarding
Mesh ground.
Fig. 1 is the flow process of the multicast message transmission control method of the switch device that the embodiment of the present invention 1 provides
Figure, as it is shown in figure 1, the method comprises the steps:
Step 101: obtain IP address and the purpose IP ground of multicast group from the IGMP message received
Location；
The source IP address pre-set and the purpose IP address that relate in this step are stored in and pre-set
Configuration file in, the configuration file pre-set at least includes following a kind of information: the multicast that need to filter
The group source IP address of data and purpose IP address, the source port of the multicast group data that need to filter and needed
The virtual LAN VLAN that the multicast group data of filter uses, this configuration file can be entered according to demand by user
Row is arranged, based on these information in configuration file, during carrying out IGMP message forwarding control,
The source IP address and the purpose IP address that are possible not only to multicast group realize the forwarding to IGMP message and control,
The void that can also use according to the source port of the multicast group data that need to filter and the multicast group data that need to filter
Intend the information such as LAN VLAN the corresponding information of the multicast group of IGMP message is mated, thus real
The control that existing IGMP message forwards, specifically, in Internet Group Management Protocol IGMP obtaining multicast group
Before message, be ranked up according to the entry in the control instruction the received configuration file to pre-setting,
Merge or separate, such as, if user adds the IP number of addresses filtering IP address field, causing originally
The IP address field separated can merge into a bigger IP address field of scope, then can merge these IP ground
Location section, if some or some the IP address fields being set to before forbid are reverted to allow, then by user
Script continuous print IP address field can be separated into multiple independent IP address field.
Step 102: by the source IP address of multicast group and purpose IP address and the source IP address pre-set with
And purpose IP address mates；
In order to carry higher ip address coupling efficiency, can according to traversal chained list form orderly carry out IP ground
Location matching operation, based on this, by the source IP address of multicast group and purpose IP address respectively with pre-set
Source IP address and purpose IP address are mated, including: read the filtration pre-set in configuration file
Content, forms chained list by the content read；Each control entries of traversal chained list and the source IP of multicast group
Address and purpose IP address are mated.
In this step the source IP address of multicast group and purpose IP address and the source IP address pre-set and
Purpose IP address is mated, including following three kinds of situations:
Judge that the source IP address of multicast group is the most identical with the source IP address pre-set or fall into pre-set
Source IP address scope, or judge the purpose IP address of multicast group whether with the purpose IP address pre-set
Identical or fall into the purpose IP address range pre-set, or judge source IP address and the purpose of multicast group
IP address is identical with the source IP address pre-set and purpose IP address the most respectively or falls into and pre-sets
Source IP address scope and purpose IP address range in；If it is, determine the source IP address of multicast group
Mate with the source IP address pre-set and purpose IP address with purpose IP address, if it is not, then determine
The source IP address of multicast group and purpose IP address and the source IP address pre-set and purpose IP address are not
Coupling.
Step 103: in the case of the match is successful, forbids forwarding IGMP message, in the feelings that it fails to match
Under condition, IGMP message is forwarded to IGMP Snooping module and makes multicast group and group member's opening relationships.
By the method described by the present embodiment, the control to multicast member study can be completed, thus control group
Some can have been identified that harmful or useless multicast filters by forwarding that broadcast, not only save broadband and
Switch resource, it is also possible to strengthen safety and the Consumer's Experience of switch.
Embodiment 2
The present embodiment comes the switch device provided in above-described embodiment 1 by disclosing more ins and outs
Multicast message transmission control method be described in detail.
As in figure 2 it is shown, the multicast message transmission control method of switch device that the present embodiment provides include as
Lower step:
Set up the corresponding configuration file of each control entries for filtering multicast message, provide the user configuration and connect
Mouthful；
According to the configuration of user, each control entries is write configuration file by certain format；
Before IGMP message enters IGMP Snooping module, obtain IGMP message, obtain multicast source
IP and mesh ground IP.
Read the configuration content in configuration file, form chained list；
Traversal chained list and by the multicast source IP obtained in each control entries and above-mentioned steps and mesh IP carry out
Relatively；
If the match is successful, then process according to the action defined in control entries, i.e. allow message to turn
Sending out, or forbid that message forwards, it fails to match, then message is transferred to next processing module.
Each stage that the present embodiment offer controls multicast forward method below in conjunction with drawings in detail is carried out in detail
Thin description:
First stage: formed multicast control entries chained list, its handling process is as shown in Figure 3, it is achieved concrete
Following steps:
Create configuration file；
Control entries is write by user interface；
Control entries is ranked up, merges or separates；
Read control entries, form one and control chained list；
This flow process terminates.
Second stage: filter IGMP message based on multicast source IP, purpose IP, controls multicast group
With the foundation of group membership's relation, its handling process is as shown in Figure 4, it is achieved specifically comprise the following steps that
This handling process starts；
Switch ports themselves receives IGMP message；
IGMP message is uploaded to CPU process, obtains multicast source IP, mesh ground IP；
From control entries chained list, read each control entries successively, and enter with the source IP got, mesh ground IP
Row compares；
If it does, then process by control entries required movement, message is i.e. allowed to forward or forbid message
Forward；
If allowing message to forward, then IGMP message is sent to IGMP Snooping resume module；As
Fruit is forbidden, then abandon IGMP message；
IGMP Snooping module is according to message information foundation group and group membership's relation.
Phase III: multicast data flow is forwarded by group and group membership relation, its handling process as it is shown in figure 5,
Realize specifically comprises the following steps that
This handling process starts；
Equipment starts, each assembly initialization；
Port receives multicast data flow；
Reading group and group membership's relation table；
Multicast data flow is forwarded to each member port；
This flow process terminates.
Embodiment 3
Present embodiments providing the multicast message forwarding controller of a kind of switch device, this device is for real
The multicast message transmission control method of the switch device that existing above-described embodiment 1 and embodiment 2 provide, should
Device can be arranged in switch.
Fig. 6 is the structure of the multicast message forwarding controller of the switch device that the embodiment of the present invention 3 provides
Block diagram, as shown in Figure 6, this device 60 includes following ingredient:
Acquisition module 61, interconnects between the source network obtaining multicast group from the IGMP message received
Protocol IP address and purpose IP address；
Matching module 62, for by the source IP address of multicast group and purpose IP address and the source IP pre-set
Address and purpose IP address are mated；
Control module 63, in the case of the match is successful, forbids forwarding IGMP message, loses in coupling
In the case of losing, IGMP message is forwarded to IGMP Snooping module multicast group is set up with group member
Relation.
Wherein, the above-mentioned source IP address pre-set and purpose IP address are stored in the configuration pre-set
In file, the configuration file pre-set at least includes following a kind of information:
Need to filter the source IP address of multicast group and purpose IP address, need to filter multicast group source port and
The virtual LAN VLAN that the multicast group that need to filter uses.
In order to the configuration file filtering multicast group is configured by the demand according to user, further, above-mentioned
Device 60 also includes: arrange module, for obtaining the Internet Group Management Protocol IGMP report of multicast group
Before literary composition, it is ranked up according to the entry in the control instruction the received configuration file to pre-setting, closes
And or separate.
Wherein, above-mentioned matching module 62 includes:
Read unit, for reading the filtration content pre-set in configuration file, the content shape that will read
Become chained list；
Matching unit, for traveling through each control entries of chained list and the source IP address of multicast group and institute
Above-mentioned matching module block 62 includes: judging unit, for judge the source IP address of multicast group whether with
The source IP address pre-set is identical or falls into the source IP address scope pre-set, or judges multicast group
Purpose IP address is the most identical with the purpose IP address pre-set or falls into the purpose IP address pre-set
Scope, or judge the source IP address of multicast group and purpose IP address the most respectively with the source IP pre-set
Address and purpose IP address are identical or fall into the source IP address scope pre-set and purpose IP address model
In enclosing；Determine unit, for when the judged result of judging unit is for being, it is determined that the source IP of multicast group
Address and purpose IP address are mated with the source IP address pre-set and purpose IP address, at judging unit
Judged result when being no, it is determined that the source IP address of multicast group and purpose IP address and the source pre-set
IP address and purpose IP address are not mated.
Although being example purpose, having been disclosed for the preferred embodiments of the present invention, those skilled in the art will
It is also possible for recognizing various improvement, increasing and replace, therefore, on the scope of the present invention should be not limited to
State embodiment.
Claims (10)
1. the multicast message transmission control method of a switch device, it is characterised in that including:
Obtain from the IGMP message received between the source network of multicast group the Protocol IP address of interconnection with
And purpose IP address；
By the source IP address of described multicast group and purpose IP address and the source IP address pre-set and purpose
IP mates address；
In the case of the match is successful, forbid forwarding described IGMP message, in the case of it fails to match,
Described IGMP message is forwarded to IGMP Snooping module and makes multicast group and group member's opening relationships.
Method the most according to claim 1, it is characterised in that described in the source IP address that pre-sets
And purpose IP address is stored in the configuration file pre-set, described in the configuration file that pre-sets
At least include following a kind of information:
Need to filter the source IP address of multicast group and purpose IP address, need to filter multicast group source port and
The virtual LAN VLAN that the multicast group that need to filter uses.
Method the most according to claim 2, it is characterised in that described method also includes:
Before obtaining source IP address and the purpose IP address of multicast group from the IGMP message received,
According to the control instruction received, the control entries in the described configuration file pre-set is ranked up, closes
And or separate.
Method the most according to claim 1, it is characterised in that described by the source IP of described multicast group
Address is mated with the source IP address pre-set and purpose IP address with purpose IP address, including:
Read the filtration content pre-set in configuration file, the content read is formed chained list；
Travel through each control entries of described chained list, and by the source IP address in each control entries, purpose
IP address is mated with source IP address and the purpose IP address of described multicast group.
Method the most according to claim 1, it is characterised in that described by the source IP of described multicast group
Address is mated with the source IP address pre-set and purpose IP address with purpose IP address, including:
Judge that the source IP address of described multicast group is the most identical with the source IP address pre-set or falls in advance
The source IP address scope arranged, or judge the purpose IP address of described multicast group whether with the mesh pre-set
IP address identical or fall into the purpose IP address range pre-set, or judge the source IP of described multicast group
Address and purpose IP address identical with the source IP address pre-set and purpose IP address the most respectively or
Fall in the source IP address scope and purpose IP address range pre-set；
If the judgment is Yes, it is determined that the source IP address of described multicast group and purpose IP address with pre-set
Source IP address and purpose IP address coupling, if it is not, then determine described multicast group source IP address and
Purpose IP address is not mated with the source IP address pre-set and purpose IP address.
6. the multicast message forwarding controller of a switch device, it is characterised in that including:
Acquisition module, interconnection between the source network obtaining multicast group from the IGMP message received
Protocol IP address and purpose IP address；
Matching module, for by the source IP address of described multicast group and purpose IP address and the source pre-set
IP address and purpose IP address are mated；
Control module, in the case of the match is successful, forbids forwarding described IGMP message, in coupling
In the case of failure, described IGMP message is forwarded to IGMP Snooping module and makes multicast group and group
Member's opening relationships.
Device the most according to claim 1, it is characterised in that described in the source IP address that pre-sets
And purpose IP address is stored in the configuration file pre-set, described in the configuration file that pre-sets
At least include following a kind of information:
Need to filter the source IP address of multicast group and purpose IP address, need to filter multicast group source port and
The virtual LAN VLAN that the multicast group that need to filter uses.
Device the most according to claim 7, it is characterised in that described device also includes:
Module is set, for obtaining source IP address and the mesh of multicast group from the IGMP message received
IP address before, according to the control instruction received to the control in the described configuration file pre-set
Entry is ranked up, merges or separates.
Device the most according to claim 6, it is characterised in that described matching module includes:
Read unit, for reading the filtration content pre-set in configuration file, the content shape that will read
Become chained list；
Matching unit, for traveling through each control entries of described chained list, and by the source in each control entries
IP address, purpose IP address are mated with source IP address and the purpose IP address of described multicast group.
Device the most according to claim 6, it is characterised in that described matching module, including:
Judging unit, for judge the source IP address of described multicast group whether with the source IP address pre-set
Identical or fall into the source IP address scope pre-set, or whether judge the purpose IP address of described multicast group
Identical with the purpose IP address pre-set or fall into the purpose IP address range pre-set, or judge institute
State the source IP address of multicast group and purpose IP address the most respectively with the source IP address pre-set and mesh
IP address identical or fall in the source IP address scope and purpose IP address range pre-set；
Determine unit, for when the judged result of described judging unit is for being, it is determined that described multicast group
Source IP address and purpose IP address are mated with the source IP address pre-set and purpose IP address, if
When judged result at described judging unit is no, it is determined that the source IP address of described multicast group and purpose IP
Address is not mated with the source IP address pre-set and purpose IP address.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510253336.3A CN106302188A (en) | 2015-05-18 | 2015-05-18 | The multicast message transmission control method of a kind of switch device and device |
| PCT/CN2015/092329 WO2016184028A1 (en) | 2015-05-18 | 2015-10-20 | Multicast message forwarding control method and apparatus for switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510253336.3A CN106302188A (en) | 2015-05-18 | 2015-05-18 | The multicast message transmission control method of a kind of switch device and device |
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| CN106302188A true CN106302188A (en) | 2017-01-04 |
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| CN201510253336.3A Withdrawn CN106302188A (en) | 2015-05-18 | 2015-05-18 | The multicast message transmission control method of a kind of switch device and device |
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| WO (1) | WO2016184028A1 (en) |
Cited By (2)
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| CN109391551A (en) * | 2017-08-14 | 2019-02-26 | 中兴通讯股份有限公司 | A kind of multiport method of multicasting, equipment and computer readable storage medium |
| CN111866008A (en) * | 2017-07-14 | 2020-10-30 | 创新先进技术有限公司 | Service data processing method, service processing method and equipment |
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| CN107484037A (en) * | 2017-09-22 | 2017-12-15 | 上海斐讯数据通信技术有限公司 | A kind of method and system for realizing radio reception device control video flowing |
| JP7444600B2 (en) * | 2019-12-25 | 2024-03-06 | アズビル株式会社 | Detection device and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111866008A (en) * | 2017-07-14 | 2020-10-30 | 创新先进技术有限公司 | Service data processing method, service processing method and equipment |
| CN111866008B (en) * | 2017-07-14 | 2022-05-31 | 创新先进技术有限公司 | Service data processing method, service processing method and equipment |
| CN109391551A (en) * | 2017-08-14 | 2019-02-26 | 中兴通讯股份有限公司 | A kind of multiport method of multicasting, equipment and computer readable storage medium |
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| WO2016184028A1 (en) | 2016-11-24 |
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