CN105491558A - Method for generating IPv6 multicast address of cluster group - Google Patents
Method for generating IPv6 multicast address of cluster group Download PDFInfo
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- CN105491558A CN105491558A CN201410478561.2A CN201410478561A CN105491558A CN 105491558 A CN105491558 A CN 105491558A CN 201410478561 A CN201410478561 A CN 201410478561A CN 105491558 A CN105491558 A CN 105491558A
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Abstract
The invention provides a method for generating an IP v6 multicast address of a cluster group. The method includes the following steps of: distributing a group identity identification number to each cluster group; and distributing an IPv6 multicast address to each cluster group, wherein a groupid field in the IPv6 multicast address are generated according to the group identity identification number of the cluster group. Through the method, a cluster core network and a cluster terminal can acquire the corresponding IPv6 multicast address by acquiring the cluster group identity identification number.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of IPv6 multicast address generation method of cluster group.
Background technology
IPv6 is the IP next generation protocol race for alternative current edition IPv4 that IETF (Internet Engineering Task group, InternetEngineeringTaskForce) designs.IPv6 is in development and perfect process, and it will replace the IPv4 be widely used at present in the near future.
For the group system adopting IPv6 agreement, cluster core net needs, for each collection group allocation IPv6 multicast address, to make the colony terminal in cluster group successfully can receive cluster multi call downlink voice bag.But currently available technology does not also propose the IPv6 multicast address generation method of effective cluster group.
IPv6 address is the identifier of a 128bit, has three classes: unicast address, appoint broadcast address, multicast address.Conventional IPv6 multicast address has two kinds of forms: form one as shown in Figure 1, includes the groupid field of 112bit.Form two as shown in Figure 2, is the multicast address based on clean culture prefix, includes the groupid field of 32bit.Therefore, will generate IPv6 multicast address for cluster group, key is the Groupid field how generated in above-mentioned form.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the present invention proposes a kind of IPv6 multicast address generation method of cluster group, and the method is:
For the identify label number of each collection group allocation one group, be then each collection group allocation IPv6 multicast address, the groupid field in described IPv6 multicast address generates according to the group identify label of cluster group number.
Preferably, described groupid field is 112bits.Preferred further, described groupid field forms with filler by organizing identify label number, any value of described filler.
Preferably, described groupid field is 32bits.Further preferred, described groupid field can be the 32bit cryptographic Hash of group identify label number; When group identify label number is that all right directly value of 32bit, groupid field is for organizing identify label number.
The present invention may be used for any group system, in particular for LTE broadband multimedia cluster system.
The invention has the advantages that: 1, cluster core net and colony terminal only need to get cluster group identify label number just can obtain corresponding IPv6 multicast address.2, group system only needs to plan that the identify label number of cluster group just completes the planning of IPv6 multicast address.3, cluster group identify label number contributes to cluster group fault location as the part of IPv6 multicast address, just can track certain cluster group by destination address.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the format chart of the IPv6 multicast address of the groupid field including 112bit;
Fig. 2 is the format chart including the IPv6 multicast address of the groupid field of 32bit based on clean culture prefix.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments; It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1: the IPv6 multicast address including the groupid field of 112bit
The present embodiment, for the cluster multi call in a LTE broadband multimedia cluster system, is the identify label number of each collection group allocation one group, is denoted as GID, long nbits.Then for each cluster group distributes a different IPv6 multicast address.
The IPv6 multicast address of the present embodiment adopts the form shown in Fig. 1, groupid field is wherein made up of the GID of nbit and the filler of (112-n) bit, wherein filler can be any value, but will evade the IPv6 multicast address of some permanent allocation.
Suppose that the BCD of the GID of certain cluster group is encoded to: 13542587525, then the groupid of the IPv6 multicast address of this cluster group can be: FFFFFFFFFFFFFFFFF13542587525.
Embodiment 2: based on the IPv6 multicast address including the groupid field of 32bit of clean culture prefix
The present embodiment is the identify label number of each collection group allocation one group, be denoted as GID, long 32bits, then for each cluster group distributes a different IPv6 multicast address, IPv6 multicast address adopts the form shown in Fig. 2, and the direct value of groupid field is wherein group identify label number.
Suppose that the BCD of the GID of certain cluster group is encoded to: 32465786, then the groupid of the 32bit of the IPv6 multicast address of this cluster group is: 32465786.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. the IPv6 multicast address generation method of a cluster group, it is characterized in that, described method is:
For the identify label number of each collection group allocation one group, be then each collection group allocation IPv6 multicast address, the groupid field in described IPv6 multicast address generates according to the group identify label of cluster group number.
2. method according to claim 1, is characterized in that, described groupid field is 112bits.
3. method according to claim 2, is characterized in that, described groupid field forms with filler by organizing identify label number, any value of described filler.
4. method according to claim 1, is characterized in that, described groupid field is 32bits.
5. method according to claim 4, is characterized in that, described groupid field is the 32bit cryptographic Hash of group identify label number.
6. method according to claim 4, is characterized in that, group identify label number is 32bit, then the direct value of groupid field is group identify label number.
7. the method according to claim 1 ~ 6 any one, is characterized in that, described method is used for LTE broadband multimedia cluster system.
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| CN201410478561.2A CN105491558A (en) | 2014-09-18 | 2014-09-18 | Method for generating IPv6 multicast address of cluster group |
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| CN109088956A (en) * | 2018-08-02 | 2018-12-25 | 杭州安恒信息技术股份有限公司 | IPv6 address approach and device are generated based on the information of Item Information or people |
| CN109639579A (en) * | 2018-12-04 | 2019-04-16 | 盛科网络（苏州）有限公司 | The processing method and processing device of multicast message, storage medium, processor |
| CN111866201A (en) * | 2019-09-30 | 2020-10-30 | 新华三技术有限公司 | IPv6 multicast address generation method and device |
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