CN102377832A - Policy management entity address acquisition method and equipment - Google Patents
Policy management entity address acquisition method and equipment Download PDFInfo
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- CN102377832A CN102377832A CN2010102563652A CN201010256365A CN102377832A CN 102377832 A CN102377832 A CN 102377832A CN 2010102563652 A CN2010102563652 A CN 2010102563652A CN 201010256365 A CN201010256365 A CN 201010256365A CN 102377832 A CN102377832 A CN 102377832A
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Abstract
The invention discloses a policy management entity address acquisition method and equipment. The method comprises that: access equipment transmits a request message carrying information for requesting the address of a policy management entity to address management equipment; and the access equipment receives a response message which is returned according to the request message by the address management equipment, wherein the response message carries the address information of the policy management entity. In the method and the equipment, the request message for requesting the address information of the policy management entity is transmitted to a dynamic host configuration protocol (DHCP) server or a router, so that the access equipment can acquire the address of the policy management entity of an access network of the access equipment.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of acquisition methods and equipment of tactical management physical address.
Background technology
Along with the continuous development of the communication technology and improving constantly of user's request, the mutual fusion between the heterogeneous network has become the inexorable trend of network development, and wherein, the fusion of mobile network and fixed network has become an importance of network integration trend.
Under the background of mobile network and fixed network fusion; User's business usually need relate to fixed network and mobile network simultaneously; And because these two kinds of networks all have the tactical management entity to manage and control QoS (Quality of service professional in self network separately; Service quality) characteristic such as is so need the tactical management entity in two kinds of networks can carry out the exchange and the negotiation of corresponding strategies management information.Therefore, this just needs the access device of broadband networks or mobile network can know the address of tactful management entity in its Access Network.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
Access device in broadband networks or the mobile network does not obtain the method for the address of tactful management entity in its Access Network at present.
Summary of the invention
The embodiment of the invention provides a kind of acquisition methods and equipment of tactical management physical address, so that access device can obtain the address of tactful management entity in its Access Network.
In order to achieve the above object, the embodiment of the invention provides a kind of acquisition methods of tactical management physical address, comprising:
Access device sends the request message of the information of carrying request strategy management entity address to address administration equipment;
Said access device receives the response message that said address administration equipment returns according to described request message, carries the address information of said tactical management entity in the said response message.
The notification message that the embodiment of the invention provides a kind of access device receiver address management equipment to send, the address information of carrying said tactical management entity in the said notification message;
Said access device obtains the address information of said tactical management entity according to said notification message.
The embodiment of the invention provides a kind of access device, comprising:
Sending module is used for carrying the request message of the information of request strategy management entity address to the transmission of address administration equipment;
Receiver module is used to receive the response message that said address administration equipment returns according to described request message, carries the address information of said tactical management entity in the said response message.
The embodiment of the invention provides a kind of Dynamic Host Configuration Protocol server, comprising:
Receiver module is used to receive the address request from access device, carries first option information that requires Dynamic Host Configuration Protocol server to return the address of tactical management entity in the said address request;
Sending module is used for after receiving said address request, sends address response message, the address information of carrying the tactical management entity in the said address response message to said access device.
The embodiment of the invention provides a kind of router, comprising:
Receiver module is used to receive the RS message from access device, carries second option information that requires said router to return the address of tactical management entity in the said RS message;
Sending module is used for after receiving said RS message, sends RA message, the address information of carrying the tactical management entity in the said RA message to said access device.
The embodiment of the invention provides a kind of access device, comprising:
Receiver module is used for the notification message that the receiver address management equipment is sent, the address information of carrying said tactical management entity in the said notification message;
Acquisition module is used for obtaining according to said notification message the address information of said tactical management entity.
Compared with prior art, the embodiment of the invention has the following advantages at least:
Through sending the request message of the address information of request strategy management entity, make access device can obtain the address of tactful management entity in its Access Network to Dynamic Host Configuration Protocol server or router.
Description of drawings
Fig. 1 is the acquisition methods schematic flow sheet of a kind of address of providing of the embodiment of the invention;
Fig. 2-Figure 10 is the respective option form sketch map that provides in the embodiment of the invention;
Figure 11 is the structural representation of a kind of access device of providing of the embodiment of the invention;
Figure 12 is the structural representation of a kind of Dynamic Host Configuration Protocol server of providing of the embodiment of the invention;
Figure 13 is the structural representation of a kind of router of providing of the embodiment of the invention;
Figure 14 is the structural representation of a kind of access device of providing of the embodiment of the invention.
Embodiment
To combine the accompanying drawing among the present invention below, the technical scheme among the present invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides a kind of acquisition methods of tactical management physical address, and is as shown in Figure 1, may further comprise the steps:
Step 101, access device are sent the request message of the information of carrying request strategy management entity address to address administration equipment.
Wherein, insert for IPv4, this address administration equipment can be DHCP (Dynamic HostConfiguration Protocol, DHCP) server; Insert for IPv6, this address administration equipment can be Dynamic Host Configuration Protocol server or router.
The address information of this tactical management entity includes but not limited to the IP address or the FQDN (Fully Qualified Domain Name, fully qualified domain name) of this tactical management entity.
In the embodiment of the invention, can be applied in the Access Networks such as fixed broadband network and mobile network, and be used for IP address or the FQDN that broadband or mobile network's access device obtain tactful management entity in the network; Therefore, in the mobile network, this tactical management entity includes but not limited to PCRF (Policy andCharging Rules Function, "Policy and Charging Rules Function); In fixed broadband network, this tactical management entity includes but not limited to BPCF (BroadBand Policy and Charging Framework, broadband policy and charging framework).
Certainly, in practical application, the processing mode in the embodiment of the invention is not limited to fixed broadband network and mobile network, also can be applied to other networks; Tactical management entity among the mobile network is not limited to PCRF, for example, in RA mechanism, the network element that this tactical management entity can also be a similar functions (like ANDSF etc.); Tactical management entity in the fixed broadband network is not limited to BPCF, can also be other related network elements entities.Describe for ease, in the embodiment of the invention, with fixed broadband network, the tactical management entity is that BPCF is that example describes, and for other network and tactical management entity, processing mode is similar, gives unnecessary details no longer in detail in the embodiment of the invention.
Access device is specially to the process that Dynamic Host Configuration Protocol server sends the request message of the address information carry the request strategy management entity: when access device need or carry out parameter update (in the embodiment of the invention to be that example describes to Dynamic Host Configuration Protocol server application IP address) to Dynamic Host Configuration Protocol server application IP address; Access device sends address request to Dynamic Host Configuration Protocol server, carries the option information (first option information) that requires Dynamic Host Configuration Protocol server to return the address information of tactical management entity in the address request.
Access device is specially to the process that router sends the request message of the address information of carrying the request strategy management entity: access device sends RS (Router Solicitation to router; Router solicitation) message is carried the option information (second option information) that requires router to return the address information of tactical management entity in this RS message.
Step 102, the response message that access device receiver address management equipment is returned according to request message, the address information of carrying the tactical management entity in this response message.
When the address management equipment was Dynamic Host Configuration Protocol server, when receiving address request, this Dynamic Host Configuration Protocol server need send address response message to access device, the address information of this address response message tactical management entity; Afterwards, this access device will receive the address response message that Dynamic Host Configuration Protocol server returns.
Concrete; After said Dynamic Host Configuration Protocol server receives described request message; Obtain the address information of configured strategy management entity on it according to said first option information; The address information that gets access to is filled in the specific field in said first option information, and the specific field after will filling in is carried on and returns to said access device in the address response message.
It should be noted that; When receiving address request; This Dynamic Host Configuration Protocol server also need distribute the address for access device; And will send to access device for access device addresses distributed information, and should can use same address response message to send to access device with the address information of tactical management entity for access device addresses distributed information, also can use the different address response message to send to access device.
When the address management equipment is router; When receiving RS message, router need send RA (Router Advertisement, router advertisement) message to access device; To carry the configuration information of router link-local in this RA message, and the address information of tactical management entity; Afterwards, this access device RA message that receiving router is returned.
Concrete; After said router receives described request message; Obtain the address information of configured strategy management entity on it according to said second option information; The address information that gets access to is filled in the specific field in said second option information, and the specific field after will filling in is carried in the router advertisement RA message and returns to said access device.
It should be noted that; In the embodiment of the invention, router can also periodically send RA message to access device according to the needs of self, therefore; Under the situation of the RS message that does not receive access device; Router also can initiatively send RA message to access device, will carry the configuration information of router link-local in this RA message, and the address information of tactical management entity.Afterwards, this access device RA message that receiving router is returned.
Need to prove; For Dynamic Host Configuration Protocol server or router; In order the address information of tactical management entity to be sent to access device; Also need be through pre-configured mode or through other modes (disposing automatically), the address information of collocation strategy management entity like router operation DHCPv6 client.And when the address of tactical management entity changes; Dynamic Host Configuration Protocol server can send Reconfigure message to the access device of operation dhcp client; Get in touch to trigger access device and Dynamic Host Configuration Protocol server, and carry out the renewal of the address information of tactical management entity.
To sum up can find out; Because the address information of having carried the tactical management entity in address response message or the RA message; After then access device is received above-mentioned address response message or RA message, then can know the address information (for example, knowing IP address or the FQDN of BPCF) of tactical management entity.
In sum, in the embodiment of the invention, (1) can make that access device can be from the IP address or the FQDN of Dynamic Host Configuration Protocol server acquisition strategy management entity through the option of expansion DHCPv4, DHCPv6 agreement; (2) insert for IPv6, also can make that access device can be from the IP address or the FQDN of router acquisition strategy management entity through the RS/RA message of expansion ND (Neighbour Discovery, neighbours find) agreement.
Concrete; Because access device is when the starting up; Need in the embodiment of the invention, specify Dynamic Host Configuration Protocol server to reply the address of corresponding tactical management entity to Dynamic Host Configuration Protocol server application IP address through subsidiary respective selection in the address request of sending at access device; After Dynamic Host Configuration Protocol server is received this address request; Can confirm the address of needs answer tactical management entity according to this respective selection; Be that Dynamic Host Configuration Protocol server need be replied IP address or the FQDN that adds the tactical management entity in the option of message (being address response message) in Address requests, and reply to access device.
In addition, insert for IPv6, in the ND agreement; Router has the characteristic of giving main frame with configuration information (for example, network prefix, the dns server address etc.) notice of link-local through RA message; Therefore, in the embodiment of the invention, want router to reply the IP address or the FQDN information of tactical management entity through indicating in the RS message of sending at access device; After router receives this RS message; Can confirm to need to reply the address of tactical management entity, promptly router need add the IP address or the FQDN of tactical management entity in RA message, and replies to access device.
In order more clearly to set forth the technical scheme that the embodiment of the invention provides, the acquisition methods of this address is discussed in detail below in conjunction with concrete applicable cases.Below each applicable cases in, be that BPCF in the fixed broadband network is an example all with the tactical management entity.
One, obtain the address information of BPCF through the mode of expansion DHCP option, wherein, the address information of this BPCF is: the IP address of BPCF, perhaps, the FQDN of BPCF.
In the embodiment of the invention,, defined new DHCPv4 and DHCPv6Option, be called BPCF IP Address Option in order to obtain the IP address of BPCF; In order to obtain the FQDN of BPCF, defined new DHCPv4 and DHCPv6 Option, be called BPCF Domain Name Option.Wherein, This BPCF IP Address Option can be so that access device obtains BPCF under the situation that network strategy allows IP address, and this BPCF Domain Name Option can be so that access device obtains the FQDN of BPCF under the situation that network strategy allows.
Below the access situation of IPv4 and the access situation of IPv6 are described respectively, wherein, the corresponding DHCPv4 of the access situation of IPv4, the corresponding DHCPv6 of the access situation of IPv6.
(1) the BPCF IPv4 Address Option among the DHCPv4
The form sketch map of BPCF IPv4 Address Option option as shown in Figure 2 is expanded DHCPv4, and the expansion content includes but not limited to following parameter: Option Code, Length, IP Address (one or more IP address).Wherein,
Option Code: i.e. the numbering of BPCF IPv4 Address Option, the function that shows this Option is the IP address that is used to obtain BPCF.
Length: be used for indicating the length that option does not comprise Option Code and Length, this length is unit usually with the byte, and generally speaking, under the situation that is no less than an IP available address, its numerical value is 4 multiple.
IP Address: the IP address of tactical management entity (like the IP address of BPCF), when a plurality of IP address, the IPv4Address Option of a plurality of BPCF IPv4 of the storage address that the form of this Option can be as shown in Figure 3.
(2) the BPCF Domain Name List Option among the DHCPv4
The form sketch map of BPCF Domain Name List Option option as shown in Figure 4; Wherein, The FQDN that this option is used to obtain BPCF expands DHCPv4, and the expansion content includes but not limited to following parameter: Option Code, Length, Domain Name List.Wherein,
Option Code: i.e. the numbering of BPCF Domain Name List Option, the function that shows this Option is the FQDN that is used to obtain BPCF.
Length: be used for indicating the length that option does not comprise Option Code and Length.
Domain Name List: i.e. the FQDN of BPCF, perhaps, a plurality of FQDN of BPCF.
It should be noted that; When the length of BPCF Domain Name List Option surpasses 254 octet; Then can this Option be divided into several littler Option; At this moment, the Domain Name List Option sketch map of a plurality of BPCF Domain of the storage Names that the form of this Option can be as shown in Figure 5.
Concrete, this BPCF Domain Name List Option option starts with a Code field, follow-up and then a length field and a string label.For example, when Dynamic Host Configuration Protocol server need be when access device provides the FQDN (for example, example.com and example.net) of two BPCF, then the form of this BPCF Domain Name List Option option can be as shown in Figure 6.
It should be noted that; Know the FQDN of BPCF when access device after; Then access device can resolve to the FQDN of this BPCF the IP address (maybe this FQDN being passed to other network element and and then the IP address that obtains BPCF) of this BPCF, repeats no more in this process embodiment of the invention.
(3) use of BPCF IPv4 Address Option among the DHCPv4 and the BPCFDomain Name List Option among the DHCPv4.
Access device need be to Dynamic Host Configuration Protocol server application IP address when start, and this moment, access device need be carried out the flow process of obtaining BPCF address information (IP address or FQDN).In order to obtain the address of BPCF; Access device can add the corresponding numbering of a BPCF IPv4 Address Option or the numbering that BPCF Domain Name List Option is corresponding in ParameterRequest List (PRL) option of the address request of sending to Dynamic Host Configuration Protocol server, promptly in PRL, add Option Code.
After Dynamic Host Configuration Protocol server receives address request; Option Code from the PRL of this address request is known the Option kind that access device is asked; Then Dynamic Host Configuration Protocol server can be according to the Option kind of this address request; Add the IP address of BPCF or the pairing option of FQDN of BPCF; Be BPCF IPv4 Address Option or BPCF Domain Name List Option, and the mode through replying Ack message return to access device with the address information of BPCF.The form sketch map of related pattern such as BPCF IPv4Address Option option, perhaps the form sketch map of BPCF Domain Name ListOption option.
(4) the BPCF IPv6 Address Option among the DHCPv6
The form sketch map of BPCF IPv6 Address Option option as shown in Figure 7 is expanded DHCPv6, and the expansion content includes but not limited to following parameter: Option Code, Length, IP Address (one or more IP address).Wherein,
Option Code: i.e. the numbering of BPCF IPv6 Address Option option, the function that shows this Option is the IPv6 address that is used to obtain BPCF, its length can be set to 2Byte.
Length: be used for indicating the length that option does not comprise Option Code and Length, this length can be set to 16bit.Generally speaking, under the situation that is no less than an IP available address, this numerical value is 16 multiple.
IP Address: i.e. the IPv6 Prefix of BPCF, wherein, this IP Address can be a plurality of Prefix.
(5) the BPCF Domain Name List Option among the DHCPv6
The form sketch map of BPCF Domain Name List Option option as shown in Figure 8; Wherein, The FQDN that this option is used to obtain BPCF expands DHCPv6, and the expansion content includes but not limited to following parameter: Option Code, Length, Domain Name List.Wherein,
Option Code: i.e. the numbering of BPCF Domain Name List Option option, the function that shows this Option is the FQDN that is used to obtain BPCF, its length can be set to 2Byte.
Length: be used for indicating the length that option does not comprise Option Code and Length, its length can be set to 16bit.
Domain Name List: i.e. the FQDN of BPCF, perhaps, a plurality of FQDN of BPCF.
Wherein, BPCF Domain Name List Option among this DHCPv6 and the BPCF Domain Name List Option among the DHCPv4 are similar, give unnecessary details no longer in detail at this.
(6) use of BPCF IPv6 Address Option among the DHCPv6 and the BPCFDomain Name List Option among the DHCPv6.Wherein, the new option of introducing can use when DHCPv6 is used to carry out address assignment; (as stateless DHCPv6) used when perhaps DHCPv6 only was used to obtain configuration information.
For the address (IP address or FQDN) that can obtain BPCF; Access device need add the corresponding numbering of a BPCF IPv6Address Option or the numbering that BPCF Domain Name List Option is corresponding in Option Request Option (ORO) option that sends to Dynamic Host Configuration Protocol server, promptly in ORO, add Option Code.Wherein, Option Code can be placed in the message such as Solicit message, Request message, Renew message, Rebind message, Information-Request message or Reconfigure message.
When Dynamic Host Configuration Protocol server (for example receives address request; Solicit message, Request message etc.) after; Option Code from the ORO option of this address request is known the Option kind that access device asks (being the kind of the Dynamic Host Configuration Protocol server Option that should return); Then Dynamic Host Configuration Protocol server can be according to the Option kind of this address request; Add the IP address of BPCF or the pairing option of FQDN of BPCF, i.e. BPCF IPv6 Address Option or BPCFDomain Name List Option, and the address information of BPCF is returned to access device through Reply message or Advertise message.The form sketch map of related pattern such as BPCF IPv6 Address Option option, perhaps the form sketch map of BPCF Domain Name List Option option.
Two, obtain the address information of BPCF through the mode of expansion ND agreement, wherein, the address information of this BPCF is: the IP address of BPCF, perhaps, the FQDN of BPCF.
In the ND agreement; When network element (for example; Access device) when router sends RS message, router need be the relevant link parameter of link nodes configuration, and through RA message corresponding configuration information (like the address of network prefix and dns server etc.) is returned to access device.In addition, router also can periodically send RA message and give access device.
Based on These characteristics, in the embodiment of the invention,, defined new RA messages option BPCF IP Address Option in order to obtain the IP address of BPCF; In order to obtain the FQDN of BPCF, defined new RA messages option BPCF Domain List Option.Wherein, router can be informed access device through RA message with the address of tactical management entity, and the RA message among this expansion ND comprises:
(1)BPCF?IPv6?Address?Option
The form sketch map of BPCF IPv6 Address Option option as shown in Figure 9; Wherein, This option is used to obtain the IP address of BPCF; RA message is expanded, and the expansion content includes but not limited to following parameter: Type, Length, can comprise IPv6 Address (es) field of one or more IP address.Wherein,
Type: the function that shows this Option is the IPv6 address that is used to obtain BPCF, and its length can be set to 2Byte.
Length: being used for indicating the length that option does not comprise Type and Length, is unit with the byte, and its length can be set to 16bit, and generally speaking, under the situation that is no less than an IP available address, this numerical value is 16 multiple.
IP Address: i.e. the IPv6 Prefix of BPCF, wherein, this IP Address can be a plurality of Prefix.
(2)BPCF?Domain?Name?List?Option
The form sketch map of BPCF Domain Name List Option option shown in figure 10; Wherein, This option is used to obtain the FQDN of BPCF; RA message is expanded, and the expansion content includes but not limited to following parameter: Type, Length, can comprise the Domain Name List field of one or more FQDN.Wherein,
Type: the function that shows this Option is the domain name FQDN that is used to obtain BPCF, and its length can be set to 2Byte.
Length: be used for indicating the length that option does not comprise Type and Length, its length can be set to 16bit.
Domain Name List: i.e. the FQDN of BPCF, perhaps, a plurality of FQDN of BPCF.
Wherein, the BPCF DomainName List Option among this BPCF Domain Name List Option and the DHCPv4 is similar, gives unnecessary details no longer in detail at this.
(3) use of BPCF IPv6 Address Option and BPCF Domain Name List Option.
Access device can send RS message to locate available router on the link to router after start.Wherein, For the address (IP address or FQDN) that can obtain BPCF; Access device need carry the Type (like the Type of BPCFIPv6 Address Option or the Type of BPCF Domain Name List Option) that the Option of BPCF address is known in hope in the RS message of sending to router, be used for indicating router to reply the address information of BPCF in RA message.
After router receives RS message, can respond with RA message, and in RA message, carry the address information of BPCF, give unnecessary details no longer in detail at this.In addition, router can also periodically send RA message to access device, and the address information of in RA message, carrying BPCF.
In sum, router can be initiatively or according to the demand of access device RS message, the relevant information of BPCFIPv6 Address Option or BPCF Domain Name List Option is increased in the messages option of RA, and sends to access device.
It should be noted that in the embodiment of the invention, for the mode of above expansion DHCPv4, DHCPv6, RA; If access device in the request of sending (for example; Address request, RS message etc.) in carried related option, but when not receiving the answer of Dynamic Host Configuration Protocol server or router, then access device can be selected other available Dynamic Host Configuration Protocol server or router; Perhaps, repeatedly attempt resending request.
In addition; If when having the address of a plurality of BPCF can supply access device to use; Then Dynamic Host Configuration Protocol server or router can be according to certain priority principles, and the address arrangement of a plurality of BPCF is become a tabulation, and access device then can be with reference to the address of the BPCF in this priority policy selective listing.
In addition, when Dynamic Host Configuration Protocol server or router sent the address information of BPCF to access device, if there is not the address information of BPCF in Dynamic Host Configuration Protocol server or the router, then length field can be changed to 0.
Need to prove, in the embodiment of the invention, for security consideration; Can also use the authentication mechanism of DHCPAuthorization; At this moment, access device adds this option in request, representes the function of this equipment support acquisition strategy management entity address; Access Network knows in view of the above that also this access device has corresponding ability, thereby makes Dynamic Host Configuration Protocol server or router can the address information of BPCF be notified to access device.
In sum; Through adopting the embodiment of the invention that technical scheme is provided, can be so that access device obtain the IP address or the FQDN of tactful management entity in the broadband networks, and utilized existing mechanism and flow process as much as possible; Autgmentability is very strong; And can combine with IP address acquisition process, be easy to be applied in the relevant IP device, realize simple.
Based on the inventive concept same with said method, a kind of access device also is provided in the embodiment of the invention, shown in figure 11, comprising:
Sending module 11 is used for carrying the request message of the information of request strategy management entity address to the transmission of address administration equipment;
Said address administration equipment is Dynamic Host Configuration Protocol server;
The information of described request tactical management physical address comprises: require Dynamic Host Configuration Protocol server to return first option information of the address of tactical management entity;
Said sending module 12, specifically be used for when needs to said Dynamic Host Configuration Protocol server application IP address or when carrying out parameter update, send the address request of the information of carrying request strategy management entity address to said Dynamic Host Configuration Protocol server.
Said address administration equipment is router;
The information of described request tactical management physical address comprises: require said router to return second option information of the address of tactical management entity;
Said sending module 12 specifically is used for sending to said router the RS message of the information of carrying request strategy management entity address.
The address information of said tactical management entity is: the IP address of said tactical management entity; And/or, the FQDN of said tactical management entity;
In the mobile network, said tactical management entity comprises: PCRF;
In fixed broadband network, said tactical management entity comprises: BPCF.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Based on the inventive concept same with said method, a kind of Dynamic Host Configuration Protocol server also is provided in the embodiment of the invention, shown in figure 12, comprising:
Sending module 22 is used for after receiving said address request, sends address response message, the address information of carrying the tactical management entity in the said address response message to said access device.
Said sending module 22; Specifically be used for obtaining the address information of configured strategy management entity on it according to said first option information; The address information that gets access to is filled in the specific field in said first option information, and the specific field after will filling in is carried on and returns to said access device in the said address response message.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Based on the inventive concept same with said method, a kind of router also is provided in the embodiment of the invention, shown in figure 13, comprising:
Receiver module 31 is used to receive the RS message from access device, carries second option information that requires said router to return the address of tactical management entity in the said RS message.
Sending module 32 is used for after receiving said RS message, sends RA message, the address information of carrying the tactical management entity in the said RA message to said access device.
Said sending module 32; Specifically be used for obtaining the address information of configured strategy management entity on it according to said second option information; The address information that gets access to is filled in the specific field in said second option information, and the specific field after will filling in is carried in the router advertisement RA message and returns to said access device.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Based on the inventive concept same with said method, a kind of access device also is provided in the embodiment of the invention, shown in figure 14, comprising:
Said address administration equipment is router;
Said receiver module 41 specifically is used to receive the said RA message that said router sends, and carries the configuration information of said router link-local in the said RA message, and the address information of tactical management entity.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (20)
1. the acquisition methods of a tactical management physical address is characterized in that, comprising:
Access device sends the request message of the information of carrying request strategy management entity address to address administration equipment;
Said access device receives the response message that said address administration equipment returns according to described request message, carries the address information of said tactical management entity in the said response message.
2. the method for claim 1 is characterized in that, said address administration equipment is the dynamic host configuration protocol DHCP server;
Said access device sends the request message of the information of carrying request strategy management entity address to address administration equipment, comprising:
When said access device need or carry out parameter update to said Dynamic Host Configuration Protocol server application IP address, said access device sent the address request of the information of carrying request strategy management entity address to said Dynamic Host Configuration Protocol server.
3. the method for claim 1 is characterized in that, said address administration equipment is Dynamic Host Configuration Protocol server;
The information of described request tactical management physical address comprises: require Dynamic Host Configuration Protocol server to return first option information of the address of tactical management entity;
After said Dynamic Host Configuration Protocol server receives described request message; Obtain the address information of configured strategy management entity on it according to said first option information; The address information that gets access to is filled in the specific field in said first option information, and the specific field after will filling in is carried on and returns to said access device in the address response message.
4. the method for claim 1 is characterized in that, said address administration equipment is router;
Said access device sends the request message of the information of carrying request strategy management entity address to address administration equipment, comprising:
Said access device sends the router solicitation RS message of the information of carrying request strategy management entity address to said router.
5. the method for claim 1 is characterized in that, said address administration equipment is router;
The information of described request tactical management physical address comprises: require said router to return second option information of the address of tactical management entity;
After said router receives described request message; Obtain the address information of configured strategy management entity on it according to said second option information; The address information that gets access to is filled in the specific field in said second option information, and the specific field after will filling in is carried in the router advertisement RA message and returns to said access device.
6. like each described method of claim 1-5, it is characterized in that the address information of said tactical management entity comprises: the IP address of said tactical management entity; And/or, the fully qualified domain name FQDN of said tactical management entity.
7. like each described method of claim 1-5, it is characterized in that in the mobile network, said tactical management entity comprises: "Policy and Charging Rules Function entity PCRF;
In fixed broadband network, said tactical management entity comprises: broadband policy and charging framework entity B PCF.
8. the acquisition methods of a tactical management physical address is characterized in that, comprising:
The notification message that access device receiver address management equipment is sent, the address information of carrying said tactical management entity in the said notification message;
Said access device obtains the address information of said tactical management entity according to said notification message.
9. method as claimed in claim 8 is characterized in that, said address administration equipment is router;
Said access device receives the notification message that said address administration equipment sends, and comprising:
Said router sends RA message to said access device, carries the configuration information of said router link-local in the said RA message, and the address information of tactical management entity;
Said access device receives the said RA message that said router sends.
10. like claim 8 or 9 described methods, it is characterized in that the address information of said tactical management entity comprises: the IP address of said tactical management entity; And/or, the FQDN of said tactical management entity;
In the mobile network, said tactical management entity comprises: PCRF;
In fixed broadband network, said tactical management entity comprises: BPCF.
11. an access device is characterized in that, comprising:
Sending module is used for carrying the request message of the information of request strategy management entity address to the transmission of address administration equipment;
Receiver module is used to receive the response message that said address administration equipment returns according to described request message, carries the address information of said tactical management entity in the said response message.
12. equipment as claimed in claim 11 is characterized in that, said address administration equipment is Dynamic Host Configuration Protocol server;
The information of described request tactical management physical address comprises: require Dynamic Host Configuration Protocol server to return first option information of the address of tactical management entity;
Said sending module, specifically be used for when needs to said Dynamic Host Configuration Protocol server application IP address or when carrying out parameter update, send the address request of the information of carrying request strategy management entity address to said Dynamic Host Configuration Protocol server.
13. equipment as claimed in claim 11 is characterized in that, said address administration equipment is router;
The information of described request tactical management physical address comprises: require said router to return second option information of the address of tactical management entity;
Said sending module specifically is used for sending to said router the RS message of the information of carrying request strategy management entity address.
14. like each described equipment of claim 11-13, it is characterized in that the address information of said tactical management entity is: the IP address of said tactical management entity; And/or, the FQDN of said tactical management entity;
In the mobile network, said tactical management entity comprises: PCRF;
In fixed broadband network, said tactical management entity comprises: BPCF.
15. a Dynamic Host Configuration Protocol server is characterized in that, comprising:
Receiver module is used to receive the address request from access device, carries first option information that requires Dynamic Host Configuration Protocol server to return the address of tactical management entity in the said address request;
Sending module is used for after receiving said address request, sends address response message, the address information of carrying the tactical management entity in the said address response message to said access device.
16. Dynamic Host Configuration Protocol server as claimed in claim 15 is characterized in that,
Said sending module; Specifically be used for obtaining the address information of configured strategy management entity on it according to said first option information; The address information that gets access to is filled in the specific field in said first option information, and the specific field after will filling in is carried on and returns to said access device in the said address response message.
17. a router is characterized in that, comprising:
Receiver module is used to receive the RS message from access device, carries second option information that requires said router to return the address of tactical management entity in the said RS message;
Sending module is used for after receiving said RS message, sends RA message, the address information of carrying the tactical management entity in the said RA message to said access device.
18. router as claimed in claim 17 is characterized in that,
Said sending module; Specifically be used for obtaining the address information of configured strategy management entity on it according to said second option information; The address information that gets access to is filled in the specific field in said second option information, and the specific field after will filling in is carried in the router advertisement RA message and returns to said access device.
19. an access device is characterized in that, comprising:
Receiver module is used for the notification message that the receiver address management equipment is sent, the address information of carrying said tactical management entity in the said notification message;
Acquisition module is used for obtaining according to said notification message the address information of said tactical management entity.
20. equipment as claimed in claim 19 is characterized in that, said address administration equipment is router;
Said receiver module specifically is used to receive the said RA message that said router sends, and carries the configuration information of said router link-local in the said RA message, and the address information of tactical management entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102563652A CN102377832A (en) | 2010-08-17 | 2010-08-17 | Policy management entity address acquisition method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102563652A CN102377832A (en) | 2010-08-17 | 2010-08-17 | Policy management entity address acquisition method and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114006858A (en) * | 2020-07-13 | 2022-02-01 | 中国移动通信有限公司研究院 | IPv6 information discovery method, device, network node and storage medium |
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