CN101184038A - Subscriber terminal and information receiving and transmitting method - Google Patents
Subscriber terminal and information receiving and transmitting method Download PDFInfo
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- CN101184038A CN101184038A CNA2007101768422A CN200710176842A CN101184038A CN 101184038 A CN101184038 A CN 101184038A CN A2007101768422 A CNA2007101768422 A CN A2007101768422A CN 200710176842 A CN200710176842 A CN 200710176842A CN 101184038 A CN101184038 A CN 101184038A
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Abstract
The invention relates to a receiving method and a transmission method for the user terminal and information; wherein, the receiving method comprises: searching the VLAN indicator in the data packet; judging the IP protocol type of the data packet; invoking the IPv4 protocol stack or the IPv6 protocol stack to process the data packet. The transmission method comprises: adding the VLAN indicator in the data packet; transmitting the data packet to the IPv4 or the IPv6 business network by the access network equipment according to the VLAN indicator. The user terminal comprises a first module, a second module, a third module and a fourth module. The invention has the advantages of enabling the user terminal to support IPv4/IPv6 dual protocol stack and simultaneously be connected with the business system such as the interactive multimedia service system under two network environments, and enabling the business systems respectively arranged in the IPv4 network and the IPv6 network to provide users with service, and being beneficial to promote the smooth transition of the IPv4 network environment to the IPv6 network environment.
Description
Technical field
The present invention relates to a kind of user terminal and message pick-up thereof, sending method, relate in particular to a kind of user terminal that can be applied to IPv4 and IPv6 network environment simultaneously and corresponding message pick-up, sending method.
Background technology
The interaction multimedia business is that a kind of can to make user side and service end carry out medium mutual, comprises video, Audio on Demand, and text browsing etc. are at interior multimedia service.Existing interaction multimedia business mainly is based on the network environment of IPv4 agreement.Wherein, the IPv4 agreement is that the version number of IP agreement is 4 TCP/IP protocol suite.The address size of IPv4 agreement is 32, just has the computer of 2 32 powers to be linked on the Internet at most.Yet, flourish along with the Internet, the demand of IP address is more and more big, and the IP address resource is also nervous all the more.In order to solve the problem that IP address need amount constantly rises, having occurred with the IPv6 agreement is the network environment of core.Wherein, the IPv6 agreement is that the version number of IP agreement is 6 TCP/IP protocol suite.It redefines address space, has greatly increased the capacity of IP address by the address size that adopts 128, is the inexorable trend of next generation network development.
The defective of prior art is: because the IPv4 network needs long period to the transition of IPv6 network, at this section in period, professional and will inevitably exist simultaneously based on the interaction multimedia business of IPv6 network based on the interaction multimedia of IPv4 network.And the subscriber terminal equipment of existing interaction multimedia business all only can be supported single a kind of IPv4 or IPv6 agreement, therefore can not realize the interaction multimedia business based on IPv4 agreement and Pv6 agreement simultaneously.Promptly, when existing interaction multimedia business based on IPv4 to based on the professional transition of the interaction multimedia of IPv6 the time, again the subscriber terminal equipment of development support IPv6 protocol stack, cause required time of transition and cost to increase greatly, and the user can not enjoy original interaction multimedia business based on IPv4 again.Thereby limited the scope of application of subscriber terminal equipment, also hindered the process of IPv4 network to the IPv6 network transition.
Summary of the invention
The problem to be solved in the present invention is: a kind of user terminal technology that can connect IPv4 agreement and two kinds of network environments of IPv6 agreement simultaneously is provided.
In order to address the above problem, one embodiment of the present of invention provide a kind of message receiving method of user terminal, comprising:
When user terminal receives packet, in the link layer packet header of this packet, search VLAN tag;
Judge the IP protocol type of described packet according to the described VLAN tag that finds;
According to the described IP protocol type of judging, call the IPv4 protocol stack or the IPv6 protocol stack that are loaded in advance in the described user terminal described packet is handled.
In order to address the above problem, an alternative embodiment of the invention provides a kind of method for sending information of user terminal, comprising:
User terminal adds corresponding VLAN tag, and sends to access network equipment according to the IP protocol type of the packet that will send in the link layer packet header of this packet;
Described access network equipment sends to IPv4 business network or IPv6 business network according to the VLAN tag of described packet with described packet.
In order to address the above problem, another embodiment of the present invention provides a kind of user terminal, comprising:
First module is used to load IPv4 protocol stack and IPv6 protocol stack;
Second module is used for searching VLAN tag in the link layer packet header of the packet that receives;
Three module, be used for according to by second module searches to VLAN tag judge that the IP protocol type of described packet sends to four module;
Four module is used for calling the IPv4 protocol stack or the IPv6 protocol stack that are loaded in first module described packet being handled according to the described IP protocol type that receives.
By the present invention, make user terminal can support the IPv4/IPv6 dual stack, thereby can be simultaneously link to each other with operation system such as interaction multimedia operation system under two kinds of network environments, the operation system that lays respectively at IPv4 network and IPv6 network all can be helped promoting by the smooth transition of IPv4 network environment to the IPv6 network environment for the user provides service.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the flow chart of the message receiving method embodiment of user terminal of the present invention;
Figure 1A is the structural representation of described each protocol stack of the message receiving method embodiment of user terminal of the present invention in user terminal;
Fig. 2 is the flow chart of the method for sending information embodiment of user terminal of the present invention;
Fig. 3 is the structural representation of user terminal embodiment 1 of the present invention;
Fig. 4 is the structural representation of user terminal embodiment 2 of the present invention.
Embodiment
The message receiving method embodiment of user terminal of the present invention
Present embodiment provides a kind of message receiving method of user terminal of the IPv4/IPv6 of support dual stack, as shown in Figure 1, comprising:
Step 100, when user terminal receives packet, in the link layer packet header of this packet, search VLAN tag (hereinafter to be referred as: the VLAN mark).If search successfully, then execution in step 110, otherwise execution in step 120.
Wherein, VLAN (Virtual Local Area Network, hereinafter to be referred as: be a kind of with the apparatus logic ground in the local area network (LAN) rather than physically be divided into the network segment VLAN), thereby realize a kind of network technology of virtual work group.Its main operation principle is: after the VLAN switch receives packet from work station, the partial content of packet is checked, and compared with content in the VLAN configuration database, then specified data bag whereabouts.If packet will mail to a VLAN equipment, add the VLAN mark then for this packet, particularly, can add the VLAN mark according to existing 802.1Q agreement, in order to distinguish different local area network (LAN)s, be forwarded to corresponding target ground according to the VLAN mark again; If packet mails to non-VLAN equipment, then the VLAN switch sends not the packet with the VLAN mark.Because VLAN normally realizes the division of the network segment on data link layer, therefore, the VLAN mark also appears in the link layer packet header usually.
Step 110, the IP protocol type of the packet that receives according to the VLAN marker for judgment that finds.What wherein, IP protocol type mainly was meant this packet employing is IPv4 agreement or IPv6 agreement.
Particularly, can at first send the IP protocol type of the VLAN of this packet according to the VLAN marker for judgment that finds, what promptly judge this VLAN employing is IPv4 agreement or IPv6 agreement; And then judge the IP protocol type that obtains this packet according to the IP protocol type of the VLAN that judges.This is because data packets for transmission has the IP protocol type identical with this VLAN usually in a VLAN.
In addition, before the protocol type of packet is judged, if destination address is the domain name addresses of representing with domain name, then can (abbreviation: DNS) server obtains corresponding IPv4 or IPv6 address, and then judges by domain name system earlier.
Step 120 if do not comprise the VLAN mark in the link layer packet header of packet, is then carried out link layer to the packet that receives and is resolved, and obtains the link layer data segment of packet.
Wherein, according to existing internet communication protocol technology, packet is carrying out comprising link layer packet header and link layer data segment before the link layer parsing.Comprise IP layer packet header and IP layer data section in the link layer data segment.
Step 121 is unpacked to the above-mentioned link layer data segment that obtains, and obtains the IP layer packet header of packet.
Step 122 is judged the IP protocol type of this packet according to the IP protocol version in the IP layer packet header of packet.Wherein, the IP protocol version is a field in the IP layer packet header, and what show this packet employing is IPv4 agreement or IPv6 agreement.
Step 130 according to the IP protocol type of judging, is called the IPV4 protocol stack or the IPv6 protocol stack that are loaded in advance in the user terminal packet is handled.
Particularly, (Socket Application ProgramInterface is called for short: Socket API) call the general TCP/UDP agreement that is loaded in advance in the user terminal and be used to realize network service can to pass through the socket application programming interfaces.In addition, can also call that (be called for short: DHCP) v4/v6, Internet igmpinternet v2/ multicast communication audience find that agreement v6 (is called for short: IGMPv2/MLDv6), (be called for short: RTSP) (be called for short: NTP) protocol stack such as v4/v6 is to realize the IP service for v4/v6, NTP (Network Time Protocol) for real-time streaming protocol as DHCP by the stack manager.Wherein, by calling of API, can provide the terminal equipment support for the interaction multimedia business of coexistence under IPv4 and the IPv6.Above-mentioned each protocol stack in the structure of user terminal shown in Figure 1A.
By the described method of present embodiment, make user terminal can support the IPv4/IPv6 dual stack, thereby can be simultaneously link to each other with operation system such as interaction multimedia operation system under two kinds of network environments.Operation system lays respectively at IPv4 network and IPv6 network, and simultaneously for the user provides service, when the user used IPv4 or IPv6 business, subscriber terminal equipment can call IPv4 or IPv6 protocol stack automatically, realizes correlation function.In addition, present embodiment can also be applied to provide as operator the subscriber terminal equipment of IPv4 and IPv6 business, to realize its business, as the interaction multimedia business.Thereby help by the smooth transition of IPv4 network environment to the IPv6 network environment.
The method for sending information embodiment of user terminal of the present invention
Present embodiment provides a kind of method for sending information of user terminal of the IPv4/IPv6 of support dual stack, as shown in Figure 2, comprising:
By the described method of present embodiment, user terminal can and support the network environment of IPv6 protocol stack to send data message to the network environment of supporting the IPv4 protocol stack, thereby realization information is interconnected, helps by the smooth transition of IPv4 network environment to the IPv6 network environment.
The embodiment 1 of user terminal of the present invention
Present embodiment provides a kind of user terminal, and as shown in Figure 3, this user terminal 1 comprises receiving element 10 and transmitting element 20.
Wherein, transmitting element 20 is used for the IP protocol type according to the packet that will send, and adds corresponding VLAN tag in the link layer packet header of this packet, and sends to access network equipment.By the VLAN tag in the access network equipment basis packet that receives, this packet is sent to IPv4 business network or IPv6 business network again.Access network equipment wherein can comprise Access Network access device and Access Network outlet device.Access network equipment can repeat no more referring to the method for sending information embodiment of user terminal of the present invention the concrete processing procedure of packet herein.
Receiving element 10 comprises first module, 11, the second modules, 12, the three module 13 and four modules 14, and its operation principle is as follows:
Be mounted with IPv4 protocol stack and IPv6 protocol stack in first module 11 in advance.When user terminal 1 received packet, second module 12 was searched the VLAN mark in the link layer packet header of the packet that receives; The IP protocol type of the packet that the VLAN marker for judgment that three module 13 bases are found by second module 12 receives, what promptly judge this packet employing is IPv4 agreement or IPv6 agreement, and this IP protocol type is sent to four module 14; Four module 14 calls the IPv4 protocol stack or the IPv6 protocol stack that are loaded in first module 11 above-mentioned packet is handled accordingly according to the IP protocol type that receives.
By the described device of present embodiment, obtained the IP protocol type that packet adopted by judgement to the VLAN mark, and then make user terminal can support the IPv4/IPv6 dual stack, it can be simultaneously linked to each other with operation system such as interaction multimedia operation system under two kinds of network environments.The business that has realized operator is by the smooth transition of IPv4 network environment to the IPv6 network environment.
The embodiment 2 of user terminal of the present invention
Receiving element 10 among the embodiment 1 has obtained the IP protocol type that packet adopted by the judgement to the VLAN mark.Yet in some application of reality, if the right and wrong VLAN equipment that packet mails to, the VLAN switch then can not add the VLAN mark in packet.
In order to address this problem, present embodiment improves on the basis of embodiment 1, as shown in Figure 4, the receiving element 10 of user terminal 1 is except comprising first module 11, second module 12, beyond three module 13 and the four module 14, also further comprise: the 5th module 15, the six modules 16 and the 7th module 17.Its operation principle is as follows:
Be mounted with IPv4 protocol stack and IPv6 protocol stack in first module 11 in advance.When user terminal 1 received packet, second module 12 was searched the VLAN mark in the link layer packet header of the packet that receives; And 15 pairs of the 5th modules receive packet and carry out the link layer parsing, obtain the link layer data segment of this packet; The link layer data segment that 16 pairs the 5th modules of the 6th module obtain is unpacked, and obtains the IP layer packet header of described packet.If second module 12 is searched the failure of VLAN mark, when promptly not comprising the VLAN mark in this packet, the information that then will search failure sends to the 7th module 17; When second module 12 does not find the VLAN mark, the IP protocol type of the IP protocol version judgment data bag in the IP layer packet header that the 7th module 17 obtains according to the 6th module 16, and this IP protocol type sent to four module 14; Four module 14 calls the IPv4 protocol stack or the IPv6 protocol stack that are loaded in first module 11 above-mentioned packet is handled accordingly according to the IP protocol type that receives.
In addition, in order to realize network service, the 8th module 18 and the 9th module 19 can also be set in the user terminal 1.Wherein, the 8th module 18 is used to load general TCP/UDP agreement; The 9th module 19 is used for being loaded into by the Socket API Calls the described TCP/UDP agreement of the 8th module 18, to realize network service.As shown in table 1 is the IPv4/IPv6 dual stack structure of loading in the user terminal 1.
Table 1
| The IPv4 application program | The IPv6 application program |
| Socket API | |
| General TCP/UDP | |
| The IPv4 agreement | The IPv6 agreement |
| Data link layer | |
| Physical layer | |
By the described device of present embodiment, obtained the IP protocol type that packet adopted by detection to the IP protocol version in the IP layer packet header.Thereby when belonging to non-VLAN equipment, user terminal also realized making user terminal can support the purpose of IPv4/IPv6 dual stack.Therefore, enlarged the scope of application of user terminal.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the message receiving method of a user terminal is characterized in that comprising:
When user terminal receives packet, in the link layer packet header of this packet, search VLAN tag;
Judge the IP protocol type of described packet according to the described VLAN tag that finds;
According to the described IP protocol type of judging, call the IPv4 protocol stack or the IPv6 protocol stack that are loaded in advance in the described user terminal described packet is handled.
2. the message receiving method of user terminal according to claim 1 is characterized in that describedly searching VLAN tag also comprise in link layer packet header:
When not finding described VLAN tag, judge the IP protocol type of described packet according to the IP protocol version in the IP layer packet header of described packet.
3. the message receiving method of user terminal according to claim 2 also comprises before it is characterized in that judging the IP protocol type of described packet according to described IP protocol version:
The described packet that receives is carried out link layer resolve, obtain the link layer data segment of described packet;
Described link layer data segment is unpacked, obtain the IP layer packet header of described packet.
4. the message receiving method of user terminal according to claim 1 is characterized in that calling described IPv4 protocol stack or IPv6 protocol stack and described packet is handled is comprised:
Call the general TCP/UDP agreement that is loaded in advance in the described user terminal by the socket application programming interfaces and be used to realize network service.
5. the message receiving method of user terminal according to claim 1 also comprises before it is characterized in that searching VLAN tag in the link layer packet header of described packet:
If the destination address of the described packet that receives is a domain name addresses, then this domain name addresses is converted to corresponding IPv4 or IPv6 address by domain name system server.
6. the method for sending information of a user terminal is characterized in that comprising:
User terminal adds corresponding VLAN tag, and sends to access network equipment according to the IP protocol type of the packet that will send in the link layer packet header of this packet;
Described access network equipment sends to IPv4 business network or IPv6 business network according to the VLAN tag of described packet with described packet.
7. the method for sending information of user terminal according to claim 6 is characterized in that described access network equipment sends to the IPv4 business network with described packet or the IPv6 business network comprises:
Access Network access device in the described access network equipment is mapped as corresponding permanent virtual circuit with the VLAN tag in the described packet;
Access Network outlet device in the described access network equipment sends to IPv4 business network or IPv6 business network according to described permanent virtual circuit with described packet.
8. user terminal is characterized in that comprising:
Transmitting element is used for the IP protocol type according to the packet that will send, and adds corresponding VLAN tag in the link layer packet header of this packet, and sends to access network equipment;
Receiving element comprises:
First module is used to load IPv4 protocol stack and IPv6 protocol stack;
Second module is used for searching VLAN tag in the link layer packet header of the packet that receives;
Three module, be used for according to by second module searches to VLAN tag judge the IP protocol type of described packet, and send to four module;
Four module is used for calling the IPv4 protocol stack or the IPv6 protocol stack that are loaded in first module described packet being handled according to the described IP protocol type that receives.
9. user terminal according to claim 8 is characterized in that described receiving element also comprises:
The 5th module is used for that the described packet that receives is carried out link layer and resolves, and obtains the link layer data segment of described packet;
The 6th module, the link layer data segment that is used for the 5th module is obtained is unpacked, and obtains the IP layer packet header of described packet.
The 7th module is used for when second module does not find described VLAN tag, and the IP protocol version in the described IP layer packet header that obtains according to the 6th module is judged the IP protocol type of described packet, and sends to four module.
10. according to Claim 8 or 9 described user terminals, it is characterized in that described receiving element also comprises:
The 8th module is used to load general TCP/UDP agreement;
The 9th module is used for calling the described TCP/UDP agreement that is loaded into the 8th module by the socket application programming interfaces, to realize network service.
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| CNA2007101768422A CN101184038A (en) | 2007-11-05 | 2007-11-05 | Subscriber terminal and information receiving and transmitting method |
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| CNA2007101768422A CN101184038A (en) | 2007-11-05 | 2007-11-05 | Subscriber terminal and information receiving and transmitting method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594196A (en) * | 2008-05-26 | 2009-12-02 | 新奥特（北京）视频技术有限公司 | A kind of method for packing of network transmission programming |
| CN102377671A (en) * | 2011-11-02 | 2012-03-14 | 中国联合网络通信集团有限公司 | Load balancing method and system and broadband remote access server equipment |
| CN102497385A (en) * | 2011-12-31 | 2012-06-13 | 曙光信息产业股份有限公司 | Network traffic auditing method and auditing system |
| CN102625283A (en) * | 2012-03-21 | 2012-08-01 | 中兴通讯股份有限公司 | Dial-up connection method and system and mobile terminal |
| CN103150340A (en) * | 2013-02-05 | 2013-06-12 | 上海达梦数据库有限公司 | Fast loading system and method for multimedia data |
| CN103248574A (en) * | 2013-05-07 | 2013-08-14 | 汉柏科技有限公司 | IPv4 network and IPv6 network mixing method and system |
| CN106487579A (en) * | 2015-08-31 | 2017-03-08 | 西门子公司 | For providing method and the webserver part of access equipment configuration data |
| CN107172009A (en) * | 2017-04-06 | 2017-09-15 | 烽火通信科技股份有限公司 | By sending vlan information on socket to the method for application module |
| CN109117182A (en) * | 2018-08-29 | 2019-01-01 | 下代互联网重大应用技术（北京）工程研究中心有限公司 | Detection method, equipment, system and the medium of IPv6 degree are supported based on source code |
| CN114945047A (en) * | 2022-04-08 | 2022-08-26 | 北京智象信息技术有限公司 | Intelligent terminal APP Internet protocol selection method, system, equipment and medium |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101594196A (en) * | 2008-05-26 | 2009-12-02 | 新奥特（北京）视频技术有限公司 | A kind of method for packing of network transmission programming |
| CN102377671A (en) * | 2011-11-02 | 2012-03-14 | 中国联合网络通信集团有限公司 | Load balancing method and system and broadband remote access server equipment |
| CN102377671B (en) * | 2011-11-02 | 2014-10-29 | 中国联合网络通信集团有限公司 | Load balancing method and system and broadband remote access server equipment |
| CN102497385A (en) * | 2011-12-31 | 2012-06-13 | 曙光信息产业股份有限公司 | Network traffic auditing method and auditing system |
| CN102497385B (en) * | 2011-12-31 | 2015-09-16 | 曙光信息产业股份有限公司 | A kind of network traffics auditing method and auditing system |
| CN102625283B (en) * | 2012-03-21 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of dial-up connection method, system and mobile terminal |
| CN102625283A (en) * | 2012-03-21 | 2012-08-01 | 中兴通讯股份有限公司 | Dial-up connection method and system and mobile terminal |
| CN103150340A (en) * | 2013-02-05 | 2013-06-12 | 上海达梦数据库有限公司 | Fast loading system and method for multimedia data |
| CN103150340B (en) * | 2013-02-05 | 2016-06-22 | 上海达梦数据库有限公司 | The quick-loading system of multi-medium data and method |
| CN103248574A (en) * | 2013-05-07 | 2013-08-14 | 汉柏科技有限公司 | IPv4 network and IPv6 network mixing method and system |
| CN103248574B (en) * | 2013-05-07 | 2016-08-31 | 汉柏科技有限公司 | A kind of IPv4 network and the mixing network method of IPv6 network and system |
| CN106487579A (en) * | 2015-08-31 | 2017-03-08 | 西门子公司 | For providing method and the webserver part of access equipment configuration data |
| CN106487579B (en) * | 2015-08-31 | 2019-10-15 | 西门子公司 | For providing the method and network server component of access equipment configuration data |
| CN107172009A (en) * | 2017-04-06 | 2017-09-15 | 烽火通信科技股份有限公司 | By sending vlan information on socket to the method for application module |
| CN107172009B (en) * | 2017-04-06 | 2020-01-07 | 烽火通信科技股份有限公司 | Method for uploading VLAN information to application module through socket |
| CN109117182A (en) * | 2018-08-29 | 2019-01-01 | 下代互联网重大应用技术（北京）工程研究中心有限公司 | Detection method, equipment, system and the medium of IPv6 degree are supported based on source code |
| CN114945047A (en) * | 2022-04-08 | 2022-08-26 | 北京智象信息技术有限公司 | Intelligent terminal APP Internet protocol selection method, system, equipment and medium |
| CN114945047B (en) * | 2022-04-08 | 2023-09-26 | 北京智象信息技术有限公司 | Intelligent terminal APP Internet protocol selection method, system, equipment and medium |
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Owner name: CHINA LINKED NETWORK COMMUNICATION GROUP CO.,LTD. Free format text: FORMER OWNER: CHINA NETWORK COMMUNICATIONS GROUP CORPORATION Effective date: 20090522 |
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Effective date of registration: 20090522 Address after: Number 21, Finance Street, Beijing, Xicheng District: 100140 Applicant after: China United Network Telecommunication Group Co., Ltd. Address before: Number 21, Finance Street, Beijing, Xicheng District: 100032 Applicant before: China Network Communications Group Corporation |
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Open date: 20080521 |