CN103841024A - Method for achieving data distribution in home gateway and home gateway - Google Patents
Method for achieving data distribution in home gateway and home gateway Download PDFInfo
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- CN103841024A CN103841024A CN201210490593.5A CN201210490593A CN103841024A CN 103841024 A CN103841024 A CN 103841024A CN 201210490593 A CN201210490593 A CN 201210490593A CN 103841024 A CN103841024 A CN 103841024A
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Abstract
The invention discloses a method for achieving data distribution in a home gateway and the home gateway. The service type of an IPV6 data package is obtained by the home gateway according to address class information AT in the IPV6 data package; the AT is one or more bits arranged in an IPV6 address; the IPV6 data package is sent to a network device corresponding to the service type through the home gateway according to the service type. According to the method for achieving data distribution in the home gateway and the home gateway, differentiation is conducted on the basis of address class information AT fields in the IPV6 address so that the data distribution scheme that an IPTV set top box has access to internet services can be achieved, the different services can be conveniently differentiated, achievement can be easy, the problems that an ACL is large in list item and can not be obtained in the home gateway when a policy route is formed on the basis of a single IP address can be solved, and the method and the home gateway can be well suitable for edge devices with resources limited. The home gateway has the advantages of being low in cost and capable of being deployed.
Description
Technical field
The present invention relates to Home Gateway Technology field, relate in particular to a kind of home gateway and realize method and the home gateway of data distribution.
Background technology
At present, integrated service home gateway possesses multiple services transmission demand conventionally.Home gateway not only can provide broadband inserting service for user, also possesses the multiple business such as IPTV, VOIP providing capability simultaneously.Because different business has different service quality guarantee demands conventionally, in the time that carrier network is disposed, being generally different business provides relatively independent network plane to be ensured.For example, conventionally adopt wideband switch-in business plane to transmit for wideband switch-in business, conventionally adopt special IPTV service plane to transmit for IPTV business.Two business network planes are separate, be independent of each other, to realize the service quality guarantee of different business application.
Current, home gateway carry out service distributing and traffic differentiation normally the physical port based on different implement.Different business (as family's broadband services, IPTV business, VOIP business etc.) are bundled on different physical ports, distinguish by two layers of mark of PVC/VLAN.But for open IPTV service application scene, same Set Top Box both can have been accessed IPTV video traffic, also can access Internet service.At this moment, still can in default separate traffic network, transmit in order to make different business, just need in home gateway, video traffic and the Internet service for IPTV shunt, video traffic is incorporated into the service plane of IPTV, and Internet service is entered into traditional Internet service planar transmission.Therefore, how to realize the multiple services carrying demand of process of refinement, still realize point flow transmission to multiple business under same IPTV physical port, ensure better high-priority service application quality, this is particularly important in the open environment of IPTV.
In fact, the different business flow that identify in traditional IP network under same port is comparatively difficult.First, because different service features is different, the information of operation layer is not embodied in the data message of IP layer, therefore, identifies different business information and need or enumerate the supplementary meanss such as all service server destination addresses and can realize based on DPI.Secondly, because home gateway is resource-constrained type equipment, conventionally only possess comparatively easy function, the route entry quantity that can process is also considerably less, similar DPI or enumerate the schemes such as IP address configuration strategy route and be difficult to dispose in home gateway and realize.
Summary of the invention
In view of this, the technical problem that the present invention will solve is to provide a kind of home gateway and realizes the method for data distribution, and the address classes information AT of the method based in IPV6 address forwards IPV6 packet.
Home gateway is realized a method for data distribution, comprising: home gateway obtains the type of service of described IPV6 packet according to the address classes information AT in the IPV6 data packet head receiving; Wherein, described AT is more than 1 or 1 bit being arranged in IPV6 address; Described home gateway arrives the network equipment corresponding to described type of service according to described type of service by described IPV6 Packet Generation.
According to one embodiment of the method for the invention, further, described AT chooses 8 continuous bits in IPV6 address field; Described AT is arranged in the destination address or source address in IPV6 data packet head.
According to one embodiment of the method for the invention, further, described type of service comprises: IPTV, VOIP, movement and broadband internet access service.
According to one embodiment of the method for the invention, further, the physical port transmission IPTV video flowing that Set Top Box is connected with described home gateway and internet data stream; Described home gateway is resolved the AT that the destination address in the IPV6 data packet head that described Set Top Box sends comprises; In the time that the type of service of AT mark is IPTV business, described home gateway by this IPV6 Packet Generation to IPTV network plane; In the time that the type of service of AT mark is broadband services business, described home gateway by this IPV6 Packet Generation to Internet plane.
According to one embodiment of the method for the invention, further, described home gateway configuration local policy routing table; Described local policy routing table comprises: the IPV6 address prefix that comprises AT and down hop route.
According to one embodiment of the method for the invention, further, described home gateway configuration address mapping table; Described address mapping table comprises: the mapping relations of the IPV6 address prefix of the AT that comprises mark IPTV business of STB terminal acquisition and the IPV6 address prefix that comprises the AT that identifies wideband switch-in business.
According to one embodiment of the method for the invention, further, described home gateway is the IPV6 address prefix that Set Top Box is distributed the AT that comprises mark IPTV business; Destination address in the IPV6 data packet head that described home gateway analytical engine top box sends; If the AT in this destination address is designated IPTV business, described home gateway is searched the corresponding down hop route of destination address prefix in IPV6 data packet head therewith in described local policy routing table, sends this IPV6 packet to IPTV network; If the AT in this destination address is designated broadband services, described home gateway is searched the corresponding IPV6 address prefix that comprises the AT that identifies wideband switch-in business of source address prefix in IPV6 data packet head therewith in described address mapping table, and replace the source address prefix in this IPV6 data packet head, and, described home gateway is searched the corresponding down hop route of destination address prefix in IPV6 data packet head therewith in described local policy routing table, sends this IPV6 packet to Internet.
According to one embodiment of the method for the invention, further, described home gateway receives the IPV6 packet that Internet sends, and searches the IPV6 address prefix of the corresponding AT that comprises mark IPTV business of destination address prefix in IPV6 data packet head therewith in described address mapping table; If had, replace the destination address prefix in this IPV6 data packet head, and by this IPV6 Packet Generation to Set Top Box corresponding to IPV6 address prefix of AT that comprises therewith mark IPTV business.
The technical problem that the present invention will solve is to provide a kind of home gateway, and the address classes information AT based in IPV6 address forwards IPV6 packet.
A kind of home gateway, comprise: retransmission unit, for obtain the type of service of described IPV6 packet according to the address classes information AT of the IPV6 data packet head receiving, and according to described type of service, IPV6 Packet Generation is arrived to the network equipment corresponding to described type of service; Wherein, described AT is more than 1 or 1 bit being arranged in IPV6 address.
According to home gateway of the present invention embodiment, further, described AT chooses 8 continuous bits in IPV6 address field; Described AT is arranged in the destination address or source address in described IPV6 data packet head.
According to home gateway of the present invention embodiment, further, the physical port transmission IPTV video flowing that Set Top Box is connected with described home gateway and internet data stream; Described retransmission unit is resolved the AT that the destination address in the IPV6 data packet head that described Set Top Box sends comprises; In the time that the type of service of AT mark is IPTV business, described retransmission unit by this IPV6 Packet Generation to IPTV network; In the time that the type of service of AT mark is broadband services or VOIP business, described retransmission unit by this IPV6 Packet Generation to Internet.
According to home gateway of the present invention embodiment, further, tactful configuration unit, for configuring local policy routing table; Described local policy routing table comprises: the IPV6 address prefix that comprises AT and the corresponding relation of down hop route.
According to home gateway of the present invention embodiment, further, address mapping table dispensing unit, for configuration address mapping table; Described address mapping table comprises: the corresponding relation of the IPV6 address prefix of the AT that comprises mark IPTV business of STB terminal acquisition and the IPV6 address prefix that comprises the AT that identifies wideband switch-in business.
According to home gateway of the present invention embodiment, further, IPTV address configuration unit, for initiating the access authentication of user of IPTV, and reception is from the IPTV station address of network side distribution, for Set Top Box is distributed the IPV6 address prefix of the AT that comprises mark IPTV business, and safeguard the IPV6 terminal address of IPTV Set Top Box; Broadband access address configuration unit, for initiating the access authentication of user of broadband access, receives the Internet broadband access IP address of distributing from network side, and safeguards the vacant address pool of available broadband access; Destination address in the IPV6 data packet head that described retransmission unit acquisition Set Top Box sends, if the AT in this destination address is designated IPTV business, described retransmission unit is searched the down hop that the destination address prefix in IPV6 data packet head therewith matches in described local policy routing table, sends this IPV6 packet to IPTV network plane; If the AT in this destination address is designated broadband services, prefix map unit is searched the corresponding IPV6 address prefix that comprises the AT that identifies wideband switch-in business of source address prefix in IPV6 data packet head therewith in described address mapping table, and replaces the source address prefix in this IPV6 data packet head; Described retransmission unit is searched the down hop that the destination address prefix in IPV6 data packet head therewith matches in described local policy routing table, sends this IPV6 packet to Internet plane.
According to home gateway of the present invention embodiment, further, while receiving the IPV6 packet sending from Internet, described prefix map unit is searched the IPV6 address prefix of the corresponding AT that comprises mark IPTV business of destination address prefix in IPV6 data packet head therewith in described address mapping table; If had, described prefix map unit is replaced the destination address prefix in this IPV6 data packet head; Described retransmission unit by this IPV6 Packet Generation to Set Top Box corresponding to IPV6 address prefix of AT that comprises therewith mark IPTV business.
Home gateway of the present invention is realized method and the home gateway of data distribution, and the address classes information AT field based in IPV6 address distinguishes to realize the data distribution scheme of IPTV Set Top Box access Internet service.By this address classes information, AT can realize the differentiation to different business easily, and carry out route guiding based on this address classes information AT, realize simple, huge, the problem that cannot implement in home gateway of access control list ACL list item while having avoided doing tactful route based on single ip address, be applicable to well in resource-constrained edge device the feature that there is low cost, can dispose.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart that home gateway according to the present invention is realized an embodiment of the method for data distribution;
Fig. 2 is the IPV6 address format schematic diagram of introducing AT in an embodiment of the home gateway according to the present invention method that realizes data distribution;
Fig. 3 is the schematic diagram that home gateway according to the present invention is realized an application scenarios of the method for data distribution;
Fig. 4 is the flow chart that home gateway according to the present invention is realized another embodiment of the method for data distribution;
Fig. 5 is according to the schematic diagram of home gateway of the present invention embodiment;
Fig. 6 is according to the schematic diagram of another embodiment of home gateway of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with each figure and embodiment, technical scheme of the present invention is carried out to many-sided description.
Fig. 1 is the flow chart that home gateway according to the present invention is realized an embodiment of the method for data distribution.As shown in the figure:
In traditional IP network, physical port that conventionally can only be based on fixing when family gateway equipment shunting multiple business application, more different physical ports and corresponding two layers of mark are bound mutually.This mode cannot realize identification and the shunting for video traffic and the Internet multiple business under IPTV single one physical port.New method has defined " address classes information " mark in IPV6 address, can identify easily dissimilar business and realize differentiation and the guiding of flow by this mark, thereby realize shunting and the guiding to IPTV Set Top Box internet traffic at family's gateway side.
Must be configured under route pattern for the port that need to carry out multi-service identification, require IPV6 address to classify according to " address classes information ", define the class of service attribute of each class address representative.
The address size of IPV6 is 128 (bit), can in IPV6 address prefix, choose one or more bits and be used as address classes information, identifies its corresponding business.Due to Virtual network operator can distributing IP V6 address, so can plan and distribute the IPV6 address that comprises address classes information.
Fig. 2 is the IPV6 address format schematic diagram of introducing AT in an embodiment of the home gateway according to the present invention method that realizes data distribution.As shown in Figure 2, the address size of IPV6 is 128 (in Fig. 2, not drawing complete), is address classes information AT by the 36-44 bit definitions in 128 bits of the address of IPV6.Network manager can be according to the demand of oneself content in the whole network unified definition service fields, the following is example:
AT=00001001: own business/IPTV; AT=00001010: own business/VOIP; AT=0010****: regular grade family broadband services; AT=0011****: high priority family broadband services; AT=0100****: common mobile subscriber business; AT=0101****: high priority mobile subscriber business etc.
After such address format definition, network manager is just different classes of business and the corresponding address of user assignment according to as above defining, for the further differentiated service processing of simplified network is laid a good foundation.
According to one embodiment of the invention, AT can be arranged in other field of IPV6 packet, for example, in extension header.AT also can be arranged in destination address in IPV6 data packet head or source address and in IPV6 address field, choose continuous bit.
Fig. 3 is the schematic diagram that home gateway according to the present invention is realized an application scenarios of the method for data distribution.As shown in Figure 3: IPTV Set Top Box 32 can be obtained the address prefix of AT for " own business/IPTV ", in IPTV load plane, has set up backhaul route for corresponding address prefix.Equally, home gateway 31 also can obtain the address prefix that AT is " family broadband ", and sets up backhaul route for corresponding address prefix in the Internet bearer plane.
Home gateway 31 is integrated service home gateway, can support the access to multiple business, such as broadband access network business, IPTV business, VOIP business etc.Now, the physical port that IPTV Set Top Box 32 is connected with home gateway 31 had both comprised IPTV video flow, also comprised Internet internet traffic.The flow of different business attribute need to enter different networks and ensure respectively.For example, IPTV video flow enters into IPTV load plane by business router SR, and IPTV network, transmits, and the internet traffic of IPTV Set Top Box 32 still enters into the Internet bearer plane, i.e. Internet, transmits.Therefore, need in home gateway 31, divide flow transmission to these two kinds of flows.
The AT that destination address in the IPV6 data packet head that home gateway 31 analytical engine top boxs 32 send comprises, in the time that the type of service of AT mark is IPTV business, home gateway by this IPV6 Packet Generation to IPTV network; In the time that the type of service of AT mark is broadband services or VOIP business, home gateway by this IPV6 Packet Generation to Internet.
According to one embodiment of present invention, home gateway configuration local policy routing table; Local policy routing table comprises: the IPV6 address prefix that comprises AT and down hop route, be [ATaddress, next hop].For example,
[*****00001001****,2001:c68:300:102::2]
The up IPV6 packet that arrives home gateway for each, all can search the AT field in packet, and mate with tactful routing table.If find corresponding route entry, be routed to corresponding Service Gateway.For example, transmit by IPTV load plane for the video flow of IPTV, and transmit by Internet service plane for the flow of broadband access network.
According to one embodiment of present invention, the IPV6 prefix of obtaining due to IPTV terminal is that AT is the IPV6 prefix of " IPTV business ", is the prefix of " family broadband " flag and the route of setting up for wideband switch-in business in the Internet bearer plane is AT.Therefore, in order, the internet traffic of Set Top Box is carried out to route according to the Internet bearer plane, to carry out prefix conversion in home gateway.
In home gateway, set up the mapping relations in address mapping table for the STB terminal that each needs are changed, this address is mapped as the mapping based on address, only carries out the address mapping of IP aspect, does not do the conversion process of port aspect.For example:
[IPTV address1,src_address1,lifetime]
[IPTV address2,src_address2,lifetime] ...
[IPTV addressN,src_addressN,lifetime]
Wherein, IPTV address refers to the IPV6 address (AT field is IPTV identification field) that STB terminal obtains, src_address is the Set Top Box broadband services address pool address referring to after conversion, this address prefix is consistent (AT field is wideband switch-in business field) with the address prefix that home network obtains, lifetime is life cycle, is the effective time.
For up packet, the packet that is IPTV identification service mark to AT field in source address all needs to carry out prefix mapping.Concrete mode is to search current available broadband access address pool, with shining upon as the address after changing a current untapped broadband access address.Address mapping is only done in this mapping, does not do port mapping, therefore can not introduce the operations such as extra checksum recalculates, segmentation, also does not need to record the record of session.
For descending IPV6 packet, first need to search destination address and whether be arranged in address mapping table.For destination address completely in match address mapping table the packet of address carry out prefix replacement, otherwise carry out conventional route querying.
According to one embodiment of present invention, the IPTV strategy judgement for IPTV upstream based on AT, reads the configuration implication of AT field, and carries out tactful route control based on this field for the destination address of uplink traffic.The flow that is " IPTV business " for AT field forwards operation according to default route, is the flow of " Internet service " for AT field, judges whether this flow has set up corresponding mapping item in prefix mapping table.If set up mapping item, carry out table lookup operation, find coupling list item and conversion after source address; If not yet set up mapping item, need to search the current available address in broadband access address pool, select available address to set up the prefix mapping item of " IPTV services addresses " and " Internet service address ", and packet is carried out to corresponding prefix mapping and process.
For the descending internet traffic arriving, first to search address mapping table, judge based on destination address.If find complete coupling in this mapping table, carry out prefix conversion process; Otherwise carry out common routing forwarding operation.
Fig. 4 is the flow chart that home gateway according to the present invention is realized another embodiment of the method for data distribution; As shown in the figure:
Step 401, home gateway 42 is initiated the authentication request of wideband switch-in business to Broadband Remote Access Server BRAS43, and it is IPV6 address prefix, the dns server address etc. of " wideband switch-in business " that request distributes AT.
Step 402, home gateway 42 is initiated the authentication request of IPTV business to IPTV certificate server 44, and it is IPV6 address prefix, the dns server address etc. of " IPTV business " that request distributes AT.
Step 403, it is the IPV6 address of " IPTV business " that home gateway 42 distributes AT for Set Top Box 41.
Step 404, Set Top Box 41 is initiated data communications requests, and home gateway 42 is acted on behalf of DNS Proxy as domain name system and is initiated domain name system DNS request, obtains the server address of Correspondent Node.
Step 405, if the platform address that server address is IPTV is carried out tactful route for the follow-up IPTV video message sending of Set Top Box 41 based on AT field,
Step 406, routes to IPTV load plane and transmits.
Step 407, backhaul traffic is also directly transmitted at IPTV passage.
Step 408, Set Top Box 41 is initiated data communications requests.
Step 409, if the address that server address is the Internet is carried out tactful route for the follow-up the Internet message sending of Set Top Box based on AT field, carries out sending into the Internet planar transmission after prefix mapping.First backhaul traffic need search mapping table and judge whether destination address is Set Top Box flow, and carries out corresponding routing forwarding.
According to one embodiment of present invention, home gateway is the IPV6 address prefix that Set Top Box is distributed the AT that comprises mark IPTV business; Destination address in the IPV6 data packet head that home gateway analytical engine top box sends.
If the AT in this destination address is designated IPTV business, home gateway is searched the corresponding down hop route of destination address prefix in IPV6 data packet head therewith in local policy routing table, sends this IPV6 packet to IPTV network plane, i.e. IPTV network.
If the AT in this destination address is designated broadband services, home gateway is searched the corresponding IPV6 address prefix that comprises the AT that identifies wideband switch-in business of source address prefix in IPV6 data packet head therewith in address mapping table, and replace the source address prefix in this IPV6 data packet head, and, home gateway is searched the corresponding down hop route of destination address prefix in IPV6 data packet head therewith in local policy routing table, sends this IPV6 packet to the Internet plane.
Home gateway receives the IPV6 packet that Internet sends, and searches the IPV6 address prefix of the corresponding AT that comprises mark IPTV business of destination address prefix in IPV6 data packet head therewith in address mapping table; If had, replace the destination address prefix in this IPV6 data packet head, and by this I PV6 Packet Generation to Set Top Box corresponding to IPV6 address prefix of AT that comprises therewith mark IPTV business.
Fig. 5 is according to the schematic diagram of home gateway of the present invention embodiment; As shown in Figure 5: home gateway 51 comprises retransmission unit 511, retransmission unit 511 obtains the type of service of IPV6 packet according to the address classes information AT in the IPV6 data packet head receiving, and according to type of service, IPV6 Packet Generation is arrived to the network equipment corresponding to type of service; Wherein, AT is more than 1 or 1 bit being arranged in IPV6 address.
Fig. 6 is according to the schematic diagram of home gateway of the present invention embodiment.As shown in Figure 6: the AT that the destination address in the IPV6 data packet head that the retransmission unit 611 analytical engine top boxs in home gateway 61 send comprises; In the time that the type of service of AT mark is IPTV business, retransmission unit 611 by this IPV6 Packet Generation to IPTV network; When the type of service of AT mark is broadband services, retransmission unit 611 by this IPV6 Packet Generation to the Internet plane.
According to one embodiment of present invention, tactful configuration unit 612 configures local policy routing table; Local policy routing table comprises: the IPV6 address prefix that comprises AT and the corresponding relation of down hop route.Address mapping table dispensing unit 613 configuration address mapping tables; Address mapping table comprises: the corresponding relation of the IPV6 address prefix of the AT that comprises mark IPTV business of STB terminal acquisition and the IPV6 address prefix that comprises the AT that identifies wideband switch-in business.
According to one embodiment of present invention, the access authentication of user of IPTV is initiated in IPTV address configuration unit 614, the application IP addresses request of IPV6 and dns server address application request etc., and reception is from the IPTV address of network side distribution, for Set Top Box is distributed the IPV6 address prefix of the AT that comprises mark IPTV business, and safeguard the IPV6 terminal address of IPTV Set Top Box.
The access authentication of user that broadband access is initiated in broadband access address configuration unit 615, receives the Internet broadband access address and the dns server address etc. that distribute from network side, and safeguards the vacant address pool of available broadband access.
Retransmission unit 611 obtain Set Top Box send IPV6 data packet head in destination address; If the AT in this destination address is designated IPTV business, retransmission unit 611 is searched the down hop that the destination address prefix in IPV6 data packet head therewith matches in local policy routing table, sends this IPV6 packet to IPTV network plane.
If the AT in this destination address is designated broadband services, prefix map unit 616 is searched the corresponding IPV6 address prefix that comprises the AT that identifies wideband switch-in business of source address prefix in IPV6 data packet head therewith in address mapping table, and replaces the source address prefix in this IPV6 data packet head; Retransmission unit 611 is searched the down hop that the destination address prefix in IPV6 data packet head therewith matches in local policy routing table, sends this IPV6 packet to the Internet plane.
While receiving the IPV6 packet sending from Internet, prefix map unit 616 is searched the IPV6 address prefix of the corresponding AT that comprises mark IPTV business of destination address prefix in IPV6 data packet head therewith in address mapping table; If had, the destination address prefix that prefix map unit 616 is replaced in this IPV6 data packet head; Retransmission unit 611 by this IPV6 Packet Generation to Set Top Box corresponding to IPV6 address prefix of AT that comprises therewith mark IPTV business.
Home gateway of the present invention is realized method and the home gateway of data distribution, can be used as the integrated service couple in router of family, only in home gateway, transforms point flow transmission that can realize IPTV in Set Top Box and internet data flow.Deployment of the present invention depends on the IPV6 address programme of network using based on address classes information AT, and this address planning mode can reduce the cost of realizing multi-service identification and distinguishing in network greatly.In addition, owing in this programme, the access authentication procedure solution of broadband access and IPTV being coupled, therefore existing network is had to very strong applicability, support system, subscriber access system to existing network all can be realized without transformation demand.
May realize in many ways method and system of the present invention.For example, can realize method and system of the present invention by any combination of software, hardware, firmware or software, hardware, firmware.The said sequence that is used for the step of method is only in order to describe, and the step of method of the present invention is not limited to above specifically described order, unless otherwise specified.In addition, in certain embodiments, can be also the program being recorded in recording medium by the invention process, these programs comprise the machine readable instructions for realizing the method according to this invention.Thereby the present invention also covers the recording medium of storing the program for carrying out the method according to this invention.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the present invention's design to be suitable for the various embodiment with various modifications of special-purpose.
Claims (15)
1. home gateway is realized a method for data distribution, it is characterized in that, comprising:
Home gateway obtains the type of service of described IPV6 packet according to the address classes information AT in the IPV6 data packet head receiving; Wherein, described AT is more than 1 or 1 bit being arranged in IPV6 address;
Described home gateway arrives the network equipment corresponding to described type of service according to described type of service by described IPV6 Packet Generation.
2. the method for claim 1, is characterized in that:
Described AT chooses n continuous bit in IPV6 address field, wherein, and n>=1;
Described AT is arranged in the destination address or source address in IPV6 data packet head.
3. method as claimed in claim 2, is characterized in that:
Described type of service comprises: IPTV, VOIP, movement and broadband internet business.
4. method as claimed in claim 3, is characterized in that:
The physical port transmission IPTV video flowing that Set Top Box is connected with described home gateway and internet data stream;
Described home gateway is resolved the AT that the destination address in the IPV6 data packet head that described Set Top Box sends comprises;
In the time that the type of service of AT mark is IPTV business, described home gateway by this IPV6 Packet Generation to IPTV network plane;
In the time that the type of service of AT mark is broadband services, described home gateway by this IPV6 Packet Generation to the Internet plane.
5. method as claimed in claim 4, is characterized in that:
Described home gateway configuration local policy routing table; Described local policy routing table comprises: the IPV6 address prefix that comprises AT and down hop route.
6. method as claimed in claim 4, is characterized in that:
Described home gateway configuration address mapping table;
Described address mapping table comprises: the mapping relations of the IPV6 address prefix of the AT that comprises mark IPTV business of STB terminal acquisition and the IPV6 address prefix that comprises the AT that identifies wideband switch-in business.
7. method as claimed in claim 6, is characterized in that:
Described home gateway is the IPV6 address prefix that Set Top Box is distributed the AT that comprises mark IPTV business;
Destination address in the IPV6 data packet head that described home gateway analytical engine top box sends; If the AT in this destination address is designated IPTV business, described home gateway is searched the corresponding down hop route of destination address prefix in IPV6 data packet head therewith in described local policy routing table, sends this IPV6 packet to IPTV network;
If the AT in this destination address is designated broadband services, described home gateway is searched the corresponding IPV6 address prefix that comprises the AT that identifies wideband switch-in business of source address prefix in IPV6 data packet head therewith in described address mapping table, and replace the source address prefix in this IPV6 data packet head, and, described home gateway is searched the corresponding down hop route of destination address prefix in IPV6 data packet head therewith in described local policy routing table, sends this IPV6 packet to Internet.
8. method as claimed in claim 7, is characterized in that:
Described home gateway receives the IPV6 packet that Internet sends, and searches the IPV6 address prefix of the corresponding AT that comprises mark IPTV business of destination address prefix in IPV6 data packet head therewith in described address mapping table;
If had, replace the destination address prefix in this IPV6 data packet head, and by this IPV6 Packet Generation to Set Top Box corresponding to IPV6 address prefix of AT that comprises therewith mark IPTV business.
9. a home gateway, is characterized in that, comprising:
Retransmission unit, for obtain the type of service of described IPV6 packet according to the address classes information AT of the IPV6 data packet head receiving, and arrives the network equipment corresponding to described type of service according to described type of service by IPV6 Packet Generation;
Wherein, described AT is more than 1 or 1 bit being arranged in IPV6 address.
10. home gateway as claimed in claim 9, is characterized in that:
Described AT chooses n continuous bit in IPV6 address field, wherein, and n>=1;
Described AT is arranged in the destination address or source address in described IPV6 data packet head.
11. home gateways as claimed in claim 10, is characterized in that:
The physical port transmission IPTV video flowing that Set Top Box is connected with described home gateway and internet data stream;
Described retransmission unit is resolved the AT that the destination address in the IPV6 data packet head that described Set Top Box sends comprises; In the time that the type of service of AT mark is IPTV business, described retransmission unit by this IPV6 Packet Generation to IPTV network plane; In the time that the type of service of AT mark is broadband services or VOIP business, described retransmission unit by this IPV6 Packet Generation to the Internet plane.
12. home gateways as claimed in claim 11, is characterized in that, also comprise:
Strategy configuration unit, for configuring local policy routing table;
Described local policy routing table comprises: the IPV6 address prefix that comprises AT and the corresponding relation of down hop route.
13. home gateways as claimed in claim 12, is characterized in that:
Address mapping table dispensing unit, for configuration address mapping table;
Described address mapping table comprises: the corresponding relation of the IPV6 address prefix of the AT that comprises mark IPTV business of STB terminal acquisition and the IPV6 address prefix that comprises the AT that identifies wideband switch-in business.
14. home gateways as claimed in claim 13, is characterized in that, also comprise:
IPTV address configuration unit, for initiating the access authentication of user of IPTV, and receives the IPTV address of distributing from network side, distributes for Set Top Box the IPV6 address prefix that comprises the AT that identifies IPTV business, safeguards the IPV6 terminal address of IPTV Set Top Box;
Broadband access address configuration unit, for initiating the access authentication of user of broadband access, receives the Internet broadband access address distributing from network side, and safeguards the vacant address pool of available broadband access;
Destination address in the IPV6 data packet head that described retransmission unit acquisition Set Top Box sends; If the AT in this destination address is designated IPTV business, described retransmission unit is searched the down hop that the destination address prefix in IPV6 data packet head therewith matches in described local policy routing table, sends this IPV6 packet to IPTV network plane;
If the AT in this destination address is designated broadband services or VOIP business, prefix map unit is searched the corresponding IPV6 address prefix that comprises the AT that identifies wideband switch-in business of source address prefix in IPV6 data packet head therewith in described address mapping table, and replaces the source address prefix in this IPV6 data packet head; Described retransmission unit is searched the down hop that the destination address prefix in IPV6 data packet head therewith matches in described local policy routing table, sends this IPV6 packet to the Internet plane.
15. home gateways as claimed in claim 14, is characterized in that:
While receiving the IPV6 packet sending from Internet, described prefix map unit is searched the IPV6 address prefix of the corresponding AT that comprises mark IPTV business of destination address prefix in IPV6 data packet head therewith in described address mapping table; If had, described prefix map unit is replaced the destination address prefix in this IPV6 data packet head;
Described retransmission unit by this IPV6 Packet Generation to Set Top Box corresponding to IPV6 address prefix of AT that comprises therewith mark IPTV business.
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