CN102316027A - Bidirectional conversion method based on IPv6 unicast and SSM multicast and system thereof - Google Patents
Bidirectional conversion method based on IPv6 unicast and SSM multicast and system thereof Download PDFInfo
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- CN102316027A CN102316027A CN201110237065A CN201110237065A CN102316027A CN 102316027 A CN102316027 A CN 102316027A CN 201110237065 A CN201110237065 A CN 201110237065A CN 201110237065 A CN201110237065 A CN 201110237065A CN 102316027 A CN102316027 A CN 102316027A
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Abstract
The invention provides a bidirectional conversion method based on IPv6 unicast and SSM multicast. The method comprises the following steps: S1: carrying out IPv6 unicast and SSM multicast bidirectional conversion initialization; S2: receiving user conversion application, if the application is an IPv6 unicast to SSM multicast conversion application, carrying out S3; if the application is an SSM multicast to IPv6 unicast conversion application, carrying out S4; if the application neither is the IPv6 unicast to SSM multicast conversion application nor is the SSM multicast to IPv6 unicast conversion application, rejecting the application; S3: carrying out IPv6 unicast to IPv6 SSM multicast conversion; S4: carrying out IPv6 SSM multicast to IPv6 unicast conversion. According to applicant conversion information, bidirectional conversion of IPv6 unicast and IPv6 SSM multicast is carried out, the IPv6 SSM multicast can be converted into the IPv6 unicast, and IPv6 unicast from one packet and a plurality of sources can be converted into a plurality of IPv6 multicasts from different source address and a same multicast group.
Description
Technical field
The present invention relates to Internet technical field, particularly a kind of clean culture and SSM multicast bi-directional conversion method and system based on IPv6.
Background technology
High-performance Video transmission system (comprising video conferencing system and network television system) with technical characterstics such as big data quantity, low delays is the typical application of Next Generation Internet, and this application itself has proposed very high request to aspects such as the network bandwidth and real-times to network, end system and application system.Popular Video Applications system comprises DVTS system, VLC system and high definition non-compression video system at present; Resolution from SD (720 * 480) to high definition (1920 * 1080); Transmission bandwidth has different characteristic from 22Mbps to 800Mbps, for the different demands of user provide different services.The high-performance Video transmission system generally has a bit the concurrent transmission characteristic to multiple spot or multiple spot to multiple spot; Owing to reasons such as port speed constraint, network congestions, current the Internet differs and satisfies Video transmission system requirement for bandwidth under concurrent multiplexing scene surely.Before this; The unspecial method that is directed against the solution network problem of Video transmission system; Traditional transmission method based on clean culture, under concurrent multiplexing scene, consume network bandwidth seriously; And maybe be because of excessive network congestion and the packet loss of causing of concurrent number, each road transmission performance all is affected.
On the basis of IPv6 internet architecture of new generation, (Source Specific Multicast, SSM) technology reduces to guarantee the data redundancy in the Internet in order to a kind of data message transmission service of one-to-many to be provided in network layer specific source multicasting as far as possible.On the link of civilian a plurality of copies that originally sends datagram, the SSM multicast data message that sends on this link is restricted to only individual data message, thereby strict control data is redundant through specific method for routing.
Summary of the invention
The technical problem that (one) will solve
The technical problem that the present invention will solve is: the network user who supports clean culture with support between the network user of SSM multicast, how with the data message forwarding of unicast networks to the SSM multicast network, how with the data message forwarding of SSM multicast network to unicast networks.
(2) technical scheme
In order to solve the problems of the technologies described above, the present invention provides a kind of clean culture and SSM multicast bi-directional conversion method based on IPv6, may further comprise the steps:
S1:IPv6 clean culture and the initialization of SSM multicast bi-directional conversion;
S2: receive the user and change application; If IPv6 unicasts to SSM multicast conversion application, then change step S3 over to; If SSM multicasts to the application of IPv6 unicast conversion, then change step S4 over to; If neither multicast to the application of IPv6 unicast conversion by SSM neither IPv6 unicasts to SSM multicast conversion application, then refuse an application;
S3: carry out the conversion that IPv6 unicasts to the IPv6SSM multicast;
S4: carry out the conversion that IPv6SSM multicasts to the IPv6 clean culture.
Preferably, said step S1 specifically comprises:
S11: read local IPv6 address list from local profile;
S12: according to the sequencing of address in the said profile address tabulation, verification address legitimacy successively; If the address is legal, for it distributes ID; If the address is illegal, do not distribute ID for it;
S13: set up the mapping relations of ID and local IPv6 address among the S12, save as the local address mapping table.
Preferably, the local profile of appointment comprises a plurality of IPv6 unicast address that this locality can receive the network interface card configuration of IPv6SSM multicast among the said step S11.
Preferably, the ID of the local address that distributes among the said step S12 is since 1 and be the positive integer of continuous dispensing.
Preferably, said step S3 specifically comprises:
S31: the SSM multicast that unicasts to that extracts user's submission is changed application information, comprises the IPv6 unicast source address and the clean culture destination address of needs conversion, and the IPv6 SSM group address that need be transformed into;
S32: determine whether to be legal IPv6 unicast address according to unicast source address in the said application information and clean culture destination address,, then refuse an application if be non-legal IPv6 unicast address;
S33: determine whether to be legal IPv6SSM group address according to the SSM group address in the said application information,, then refuse an application if be non-legal IPv6SSM group address;
S34: determine whether to distribute to address pool that should IPv6 SSM group address according to the IPv6SSM group address that is mapped to; As do not distribute address pool, then distribute address pool, and at <unicast source address; The clean culture destination address>tuple is in the mapping table of address pool; This IPv6 SSM group address address pool is pointed in mapping address pond that should <unicast source address, clean culture destination address>tuple;
S35: the user sends IPv6 unicast data message to IPv6 clean culture destination address, and wherein the clean culture destination address is any unicast address that network interface card has;
S36:, transmit operation for the unicast data message that on network interface card, receives.
Preferably, said step S36 specifically comprises:
S361: after receiving data I Pv6 unicast data message, in the address pool mapping table, find address pool in <unicast source address, clean culture destination address>tuple; In address pool, search <unicast source address, clean culture destination address>tuple of this message then, if there is < the unicast source address of this message in the address pool; The clean culture destination address>tuple, then search its corresponding ID, if there is not < the unicast source address of this message in the address pool; The clean culture destination address>tuple, confirm then whether address pool has address space left, if address space left is arranged in the address pool; Then in address pool, add the IPv6 address, source of this message, and distribute corresponding ID, otherwise; Refusal is transmitted application, stops the S36 step;
S362: use the ID that finds or distribute among the S361, as the ID item, search the corresponding local IPv6 address of this ID in the local address mapping table of in S13, setting up;
S363: the local IPv6 address that source IPv6 address binding is found in the S362;
S364: IPv6 unicast data message is sent to the IPv6 SSM multicast group among the S33.
Preferably, said step S4 specifically comprises:
S41: the conversion SSM that extracts user's submission is to the unicast conversion application information, and said application information comprises the source address and the group address of the IPv6 SSM group of needs conversion, the IPv6 unicast address that need be transformed into;
S42: determine whether legal IPv6SSM group address according to the SSM group address in the said application information,, then refuse an application if be non-legal IPv6 SSM group address;
S43: determine whether to be legal IPv6 unicast address according to the unicast address in the said application information,, then refuse an application if be non-legal IPv6 unicast address;
S44: first local address in the local address mapping table that the source address binding of SSM group is set up in the S13;
S45: the IPv 6SSM source address that the conversion application information that the user submits among the adding S41 comprises and the IPv6 SSM multicast group of IPv6 SSM group address appointment;
S46: the user sends IPv6 SSM multicast data message to IPv6 SSM group address;
S47: IPv6 SSM data message is sent to the IPv6 unicast address among the S43.
The present invention also provides a kind of clean culture and SSM multicast bi-directional conversion system based on IPv6, comprising:
The application information receiver module is used to receive the conversion application information that the user submits to;
The application information authentication module is connected with said application information receiver module, is used to verify whether the IPv6 clean culture of user applies and SSM multicast address be legal; If the group address of application is invalid, then refuse an application;
IPv6 unicasts to IPv6 SSM multicast modular converter, is connected with said application information authentication module, is used to carry out the conversion that IPv6 unicasts to the SSM multicast;
IPv6 SSM multicasts to IPv6 unicast conversion module, is connected with said application information authentication module, is used to carry out the conversion that IPv6 SSM multicasts to clean culture.
Preferably, said IPv6 unicasts to the SSM group address that IPv6 SSM multicast modular converter is mapped to for <unicast source address, clean culture destination address>tuple according to application information and distributes corresponding address pool; When the user sends datagram literary composition, check <unicast source address, clean culture destination address>tuple of this message; According to this <unicast source address; The clean culture destination address>whether tuple exist in address pool and carry out corresponding address assignment operation, if exist, then from address pool, searches corresponding gateway local address; If do not exist, then in address pool, distribute gateway local address that should source address; Subsequently, as source address, send to the IPv6SSM multicast group of user applies with this gateway local address.
Preferably; Said IPv6 SSM multicasts to IPv6 unicast conversion module and adds corresponding IPv6 SSM multicast group according to application information; When the user when IPv6 SSM multicast group is sent data, as source address, send to the IPv6 unicast address of user applies with the gateway local address.
(3) beneficial effect
The present invention carries out IPv6 clean culture and IPv6 SSM multicast bi-directional conversion according to the transitional information of being applied for, can convert IPv6 SSM multicast into the IPv6 clean culture; Can be with dividing into groups but the IPv6 unicast conversion in a plurality of sources is multiple source address difference but the identical IPv6 SSM multicast of multicast group from one.
Description of drawings
Fig. 1 is a cellular logic topology diagram of the present invention;
Fig. 2, Fig. 3 are clean culture and the SSM multicast bi-directional conversion method flow diagrams that the present invention is based on IPv6;
Fig. 4 is clean culture and the SSM multicast bi-directional conversion system construction drawing that the present invention is based on IPv6.
Embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not restriction scopes of the present invention.
As shown in Figure 1; Apply for that with user u1 and u3 clean culture and the service of SSM multicast bi-directional conversion based on IPv6 are that example is explained the present invention; Wherein bi-directional conversion gateway GW is between u1 and u3, and GW is to the network support IPv6 clean culture between u1, and GW is to the network support IPv6 SSM multicast between u3.
Bi-directional conversion gateway GW is deployed between user u1 and the u3, and clean culture and SSM multicast bi-directional conversion service routine based on IPv6 are installed, and disposes operation in back 24 hours, waits for user's multicast conversion application, and major function is following:
Wait for user's multicast conversion application, obtain multicast conversion application information, comprise that unicasting to SSM conversion application information arrives the unicast conversion application information with SSM from the user.Unicast to wherein that SSM conversion application information comprises unicast source address and clean culture destination address before the conversion, (the clean culture destination address must be any IPv6 unicast address that disposes on any network interface card of gateway GW to the SSM group address that need be transformed into; Otherwise gateway GW can't receive user data), SSM comprises SSM multicast source and the group address before the conversion, the clean culture group address that need be transformed into to the unicast conversion application information;
After receiving multicast conversion application information, clean culture and SSM multicast bi-directional conversion gateway GW carry out corresponding operating according to the type of conversion application information.
Like Fig. 2, shown in Figure 3, clean culture and SSM multicast bi-directional conversion method based on IPv6 of the present invention may further comprise the steps: S1:IPv6 clean culture and the initialization of SSM multicast bi-directional conversion; S2: receive the user and change application; If IPv6 unicasts to SSM multicast conversion application, then change step S3 over to; If SSM multicasts to the application of IPv6 unicast conversion, then change step S4 over to; If neither multicast to the application of IPv6 unicast conversion by SSM neither IPv6 unicasts to SSM multicast conversion application, then refuse an application; S3: carry out the conversion that IPv6 unicasts to IPv6 SSM multicast; S4: carry out the conversion that IPv6 SSM multicasts to the IPv6 clean culture.
The concrete realization flow of the inventive method:
The user comprises that to the details of bi-directional conversion gateway GW submit applications the conversion applying type (comprising: unicast to the SSM conversion; SSM is to unicast conversion) and corresponding additional information.The additional information that unicasts to the SSM conversion comprises: the unicast source address and the clean culture destination address of the unicast message before the conversion, the SSM group address that is transformed into.SSM comprises to the additional information of unicast conversion: SSM source address and group address before the conversion, the clean culture group address that is transformed into.
GW confirms corresponding initialization operation according to user's translation type.If application unicasts to the SSM conversion; Then whether inspection should <unicast source address, clean culture destination address>tuple be applied for, if not application; Then for being somebody's turn to do <unicast source address; The clean culture destination address>the SSM group address pond that is mapped to of tuple opens up corresponding address pool, and should <unicast source address, clean culture destination address>tuple point to this address pool.If application SSM is to unicast conversion, first address of then taking out the GW local address is as forwarding address.
The user sends data, the beginning repeating process:
If what the user sent is clean culture, whether <unicast source address, the clean culture destination address>tuple of then at first searching this unicast message exists the address pool that is mapped to.If there is not corresponding address pool, then this message need not transmitted, and stops subsequent step.Otherwise, to searching <unicast source address, clean culture destination address>tuple of user in should the address pool of unicast message <unicast source address, clean culture destination address>tuple.If there is above-mentioned tuple in the address pool, then with the corresponding GW local address in this address as source address, the load of unicast message is sent to the SSM group address.If there is not user's addresses in the address pool, be that then this station address distributes a GW local address, and as source address, the load of unicast message is sent to the SSM group address.
If what the user sent is the SSM multicast, then with first address of GW local address as source address, the load of this SSM message is sent to unicast address.
The address initial configuration of preserving among the GW is following:
<unicast source address, the clean culture destination address>tuple of preserving among the GW is following to the mapping buffer memory of address pool:
Wherein, <unicast source address, clean culture destination address>tuple corresponding address pond memory address is pointed in SSM address pool position, and the SSM address is first local address of GW.
The group address buffer memory of preserving among the GW is following:
Wherein, unicast address tabulation i (1＜=i＜=k) point to corresponding i SSM group address, gather by all unicast address that should be forwarded to.
Each SSM address pool of preserving among the GW is following:
Wherein, after certain address pool item was occupied, " whether taking " flag was enabled.
System of the present invention realizes
As shown in Figure 4, clean culture and SSM multicast bi-directional conversion system based on IPv6 of the present invention comprise:
Application information receiver module 10 is used to receive the conversion application information that the user submits to;
Application information authentication module 20 is connected with said application information receiver module, is used to verify whether the IPv6 clean culture of user applies and SSM multicast address be legal; If the group address of application is invalid, then refuse an application;
IPv6 unicasts to IPv6 SSM multicast modular converter 31, is connected with said application information authentication module, is used to carry out the conversion that IPv6 unicasts to the SSM multicast;
IPv6 SSM multicasts to IPv6 unicast conversion module 32, is connected with said application information authentication module, is used to carry out the conversion that IPv6 SSM multicasts to clean culture.
Said IPv6 unicasts to the SSM group address that IPv6 SSM multicast modular converter is mapped to for <unicast source address, clean culture destination address>tuple according to application information and distributes corresponding address pool, when the user sends datagram literary composition; Check < the unicast source address of this message; The clean culture destination address>tuple, whether in address pool, exist according to this <unicast source address, clean culture destination address>tuple and to carry out corresponding address assignment operation; If exist; Then from address pool, search corresponding gateway local address,, then in address pool, distribute gateway local address that should source address if do not exist; Subsequently, as source address, send to the IPv6 SSM multicast group of user applies with this gateway local address.
Said IPv6 SSM multicasts to IPv6 unicast conversion module and adds corresponding IPv6 SSM multicast group according to application information, when the user when IPv6 SSM multicast group is sent data, as source address, send to the IPv6 unicast address of user applies with the gateway local address.
By on can know that this method has been accomplished based on Networking Platform design IPv6, that support clean culture and SSM multicast bi-directional conversion; Proposed clean culture and SSM multicast bi-directional conversion method, supported the mutual conversion of two kinds of multicasts, IPv6 clean culture and SSM multicast intercommunication problem under a framework based on IPv6.
The present invention has no processes such as power division processing to radiofrequency signal, directly be loaded into to get final product on the modulator, and bias point can be provided with arbitrarily as required, and is simple and easy reliable.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and replacement, these improvement and replacement also should be regarded as protection scope of the present invention.
Claims (10)
1. clean culture and SSM multicast bi-directional conversion method based on an IPv6 is characterized in that, may further comprise the steps:
S1:IPv6 clean culture and the initialization of SSM multicast bi-directional conversion;
S2: receive the user and change application; If IPv6 unicasts to SSM multicast conversion application, then change step S3 over to; If SSM multicasts to the application of IPv6 unicast conversion, then change step S4 over to; If neither multicast to the application of IPv6 unicast conversion by SSM neither IPv6 unicasts to SSM multicast conversion application, then refuse an application;
S3: carry out the conversion that IPv6 unicasts to the IPv6SSM multicast;
S4: carry out the conversion that IPv6SSM multicasts to the IPv6 clean culture.
2. clean culture and SSM multicast bi-directional conversion method based on IPv6 as claimed in claim 1 is characterized in that said step S1 specifically comprises:
S11: read local IPv6 address list from local profile;
S12: according to the sequencing of address in the said profile address tabulation, verification address legitimacy successively; If the address is legal, for it distributes ID; If the address is illegal, do not distribute ID for it;
S13: set up the mapping relations of ID and local IPv6 address among the S12, save as the local address mapping table.
3. clean culture and SSM multicast bi-directional conversion method based on IPv6 as claimed in claim 2 is characterized in that, the local profile of appointment comprises a plurality of IPv6 unicast address that this locality can receive the network interface card configuration of IPv6SSM multicast among the said step S11.
4. clean culture and SSM multicast bi-directional conversion method based on IPv6 as claimed in claim 2 is characterized in that, the ID of the local address that distributes among the said step S12 is since 1 and be the positive integer of continuous dispensing.
5. clean culture and SSM multicast bi-directional conversion method based on IPv6 as claimed in claim 1 is characterized in that said step S3 specifically comprises:
S31: the SSM multicast that unicasts to that extracts user's submission is changed application information, comprises the IPv6 unicast source address and the clean culture destination address of needs conversion, and the IPv6SSM group address that need be transformed into;
S32: determine whether to be legal IPv6 unicast address according to unicast source address in the said application information and clean culture destination address,, then refuse an application if be non-legal IPv6 unicast address;
S33: determine whether to be legal IPv6SSM group address according to the SSM group address in the said application information,, then refuse an application if be non-legal IPv6SSM group address;
S34: determine whether to distribute to address pool that should the IPv6SSM group address according to the IPv6SSM group address that is mapped to; As do not distribute address pool, then distribute address pool, and at <unicast source address; The clean culture destination address>tuple is in the mapping table of address pool; This IPv6SSM group address address pool is pointed in mapping address pond that should <unicast source address, clean culture destination address>tuple;
S35: the user sends IPv6 unicast data message to IPv6 clean culture destination address, and wherein the clean culture destination address is any unicast address that network interface card has;
S36:, transmit operation for the unicast data message that on network interface card, receives.
6. clean culture and SSM multicast bi-directional conversion method based on IPv6 as claimed in claim 5 is characterized in that said step S36 specifically comprises:
S361: after receiving data I Pv6 unicast data message, in the address pool mapping table, find address pool in <unicast source address, clean culture destination address>tuple; In address pool, search <unicast source address, clean culture destination address>tuple of this message then, if there is < the unicast source address of this message in the address pool; The clean culture destination address>tuple, then search its corresponding ID, if there is not < the unicast source address of this message in the address pool; The clean culture destination address>tuple, confirm then whether address pool has address space left, if address space left is arranged in the address pool; Then in address pool, add the IPv6 address, source of this message, and distribute corresponding ID, otherwise; Refusal is transmitted application, stops the S36 step;
S362: use the ID that finds or distribute among the S361, as the ID item, search the corresponding local IPv6 address of this ID in the local address mapping table of in S13, setting up;
S363: the local IPv6 address that source IPv6 address binding is found in the S362;
S364: IPv6 unicast data message is sent to the IPv6SSM multicast group among the S33.
7. clean culture and SSM multicast bi-directional conversion method based on IPv6 as claimed in claim 1 is characterized in that said step S4 specifically comprises:
S41: the conversion SSM that extracts user's submission is to the unicast conversion application information, and said application information comprises the source address and the group address of the IPv6SSM group of needs conversion, the IPv6 unicast address that need be transformed into;
S42: determine whether legal IPv6SSM group address according to the SSM group address in the said application information,, then refuse an application if be non-legal IPv6SSM group address;
S43: determine whether to be legal IPv6 unicast address according to the unicast address in the said application information,, then refuse an application if be non-legal IPv6 unicast address;
S44: first local address in the local address mapping table that the source address binding of SSM group is set up in the S13;
S45: the IPv6SSM source address that the conversion application information that the user submits among the adding S41 comprises and the IPv6SSM multicast group of IPv6SSM group address appointment;
S46: the user sends the IPv6SSM multicast data message to the IPv6SSM group address;
S47: the IPv6SSM data message is sent to the IPv6 unicast address among the S43.
8. clean culture and SSM multicast bi-directional conversion system based on an IPv6 is characterized in that, comprising:
Application information receiver module (10) is used to receive the conversion application information that the user submits to;
Application information authentication module (20) is connected with said application information receiver module, is used to verify whether the IPv6 clean culture of user applies and SSM multicast address be legal; If the group address of application is invalid, then refuse an application;
IPv6 unicasts to IPv6SSM multicast modular converter (31), is connected with said application information authentication module, is used to carry out the conversion that IPv6 unicasts to the SSM multicast;
IPv6SSM multicasts to IPv6 unicast conversion module (32), is connected with said application information authentication module, is used to carry out the conversion that IPv6SSM multicasts to clean culture.
9. clean culture and SSM multicast bi-directional conversion system based on IPv6 as claimed in claim 8 is characterized in that, said IPv6 unicasts to IPv6SSM multicast modular converter (31) and is <unicast source address according to application information; The clean culture destination address>the SSM group address that is mapped to of tuple distributes corresponding address pool; When the user sends datagram literary composition, check <unicast source address, clean culture destination address>tuple of this message; According to this <unicast source address; The clean culture destination address>whether tuple exist in address pool and carry out corresponding address assignment operation, if exist, then from address pool, searches corresponding gateway local address; If do not exist, then in address pool, distribute gateway local address that should source address; Subsequently, as source address, send to the IPv6SSM multicast group of user applies with this gateway local address.
10. clean culture and SSM multicast bi-directional conversion system based on IPv6 as claimed in claim 8; It is characterized in that; Said IPv6SSM multicasts to IPv6 unicast conversion module (32) and adds corresponding IPv6SSM multicast group according to application information; When the user when the IPv6SSM multicast group is sent data, as source address, send to the IPv6 unicast address of user applies with the gateway local address.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435950A (en) * | 2019-01-15 | 2020-07-21 | 阿里巴巴集团控股有限公司 | Address configuration method and device for terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6259701B1 (en) * | 1997-09-11 | 2001-07-10 | At&T Corp. | Method and system for a unicast endpoint client to access a multicast internet protocol (IP) session |
| CN101945342A (en) * | 2010-09-10 | 2011-01-12 | 深圳市共进电子有限公司 | Customer premise equipment and method for implementing wireless multicast-to-unicast service thereof |
| WO2011017982A1 (en) * | 2009-08-12 | 2011-02-17 | 中兴通讯股份有限公司 | System, method and terminal for processing media services |
-
2011
- 2011-08-17 CN CN201110237065A patent/CN102316027A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6259701B1 (en) * | 1997-09-11 | 2001-07-10 | At&T Corp. | Method and system for a unicast endpoint client to access a multicast internet protocol (IP) session |
| WO2011017982A1 (en) * | 2009-08-12 | 2011-02-17 | 中兴通讯股份有限公司 | System, method and terminal for processing media services |
| CN101945342A (en) * | 2010-09-10 | 2011-01-12 | 深圳市共进电子有限公司 | Customer premise equipment and method for implementing wireless multicast-to-unicast service thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435950A (en) * | 2019-01-15 | 2020-07-21 | 阿里巴巴集团控股有限公司 | Address configuration method and device for terminal |
| CN111435950B (en) * | 2019-01-15 | 2022-05-27 | 阿里巴巴集团控股有限公司 | Address configuration method and device for terminal |
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Application publication date: 20120111 |