CN1771490A - Methods and apparatus for supporting an internet protocol (IP) version independent mobility management system - Google Patents
Methods and apparatus for supporting an internet protocol (IP) version independent mobility management system Download PDFInfo
- Publication number
- CN1771490A CN1771490A CN 200480008607 CN200480008607A CN1771490A CN 1771490 A CN1771490 A CN 1771490A CN 200480008607 CN200480008607 CN 200480008607 CN 200480008607 A CN200480008607 A CN 200480008607A CN 1771490 A CN1771490 A CN 1771490A
- Authority
- CN
- China
- Prior art keywords
- address
- node
- mobile
- home
- message
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Methods and apparatus for supporting network layer protocol version independent mobility management are described. In accordance with the present invention, the signaling method used to set-up the redirection (encapsulation or tunnel) is separated from the type of redirection being set-up. Through the use of a Protocol Independent Mobility Management Protocol and/or modules for implementing one or more aspects of the Protocol of the present Invention, Mobile IPv4 and IPv6 may run an top of any version of the network layer and can set-up tunnels of any network layer version over any other network layer version. Various features of the invention are used to establish tunnels which are capable of being used to commutate IPv4 and/or IPv6 packets. Other features are directed to storing and using state information which allows IPv4 and/or IPv6 packets to be sent through a tunnel established using IPv4 or IPv6 type signaling.
Description
Technical field
The present invention is directed to the mobile management in a communication system, especially, at mobility management method that is used for the network layer protocol version independent and device.
Background technology
IP(Internet Protocol) (IP) technology is interconnected can the carrying out of Computers and Communication network packet exchange that is designed to make not on the same group.By the node of packet forward service is provided, gateway (or router) for example, the network and the link-layer technologies of the group that may be different that interconnects.Information is transmitted between terminal node (or main frame) as being called as the data block of packet, and wherein the source and destination main frame is the Address Recognition by regular length.Route Selection in the IP internet comes down to discontinuous, because packet is based on hop-by-hop, uses the destination-address in the packet to transmit between router.The most widely used version of IP(Internet Protocol) is its edition 4, is also referred to as IPv4.Owing to many reasons, also produced the redaction of this agreement that is called as IPv6.Expect that the network of current use IPv4 will finally support IPv6, although there is the time limit of the prolongation of two kinds of versions coexistences of IP(Internet Protocol) probably.
Mobile IPv 4 (reference: IETF RFC 2002) make the IPv4 main frame, under the mobile IPv 4 environment, be also referred to as " mobile node ", can dynamically change its network connection point, and still keep and to get in touch by previous given " home address ".In order to realize this point,, make it relevant with an interim local address or " Care-of Address (care of address) " when mobile node visit during corresponding to the field network in accessed territory.Sometimes, Care-of Address is an address that participates in this processing " Foreign Agent ", and Care-of Address can be directly assigned to mobile node in other cases.At the node that is called as " home agent ", care-of address registration is returned the genus network.The grouping of the home address of mobile node is gone in the home agent intercepting, and with the tunnel this grouping is redirected to Care-of Address relevant with mobile node in visited network by encapsulation.After passing to Care-of Address, remove encapsulation and will go to the original packet of home address to be delivered to mobile node.
Mobile IP v 6 makes the IPv6 main frame, is also referred to as under the mobile IP v 6 environment " mobile node ", can dynamically change its network connection point, and still keeps and can get in touch by previous given " home address ".The mechanism of using is to above similar but and inequality about the described mechanism of mobile IPv 4.
Because mobile IPv 4 and mobile IP v 6 are also inequality, a mobile node is supported IPv4 and IPv6 simultaneously, comprises mobile IPv 4 and mobile IP v 6 signaling, so as it can keep with being connected of two kinds of IP versions be very important.Work when at present, mobile IPv 4 is only supported IPv4 between mobile node and home agent thereof.Similarly, at present, when only supporting IPv6 between mobile node and home agent thereof, mobile IP v 6 works.Support at terminal node under the situation of IPv4 and IPv6 that this access node that requires to be used for terminal node is connected to network is usually set up mobile IPv 4 and mobile IP v 6 tunnel simultaneously between the home agent of access node and mobile node.
In order to increase the dirigibility of system, can be supported in mobile IPv 4 and mobile IP v 6 signaling between home agent node and the Foreign Agent node, and need not between the home agent of mobile node and Foreign Agent, to set up mobile IPv 4 and the mobile IP v 6 tunnel that separates, will be favourable.
Description of drawings
Fig. 1 represents a kind of canonical system of realizing of the present invention based on mobile IP.
Fig. 2 represents the exemplary end node in the canonical system of a kind of Fig. 1 of can be used for, for example mobile node.
Fig. 3 represents in the canonical system of a kind of Fig. 1 of can be used for the typical access node as Foreign Agent.
Fig. 4 represents the exemplary home agent node in the canonical system of a kind of Fig. 1 of can be used for.
Fig. 5 is illustrated in the IPv4 tunnel of setting up according to the present invention, and IPv4 communicates by letter with the IPv6 signal.
Fig. 6 is illustrated in the IPv6 tunnel of setting up according to the present invention, and IPv4 communicates by letter with the IPv6 signal.
Summary of the invention
The present invention is directed to the mobility management method and the device that are used for the network layer protocol version independent.
According to the present invention, be used for setting up the signaling method that redirects (encapsulation or tunnel) and be independent of the type that redirects that to set up.Independently mobility management protocol and/or module realize one or more features of agreement of the present invention by use agreement, mobile IPv 4 and IPv6 can move on the network layer of any version, and can be in office what set up the tunnel of arbitrary network layer version in its network layer version.Various feature of the present invention can be used in the tunnel of exchange IPv4 and/or IPv6 grouping at foundation.According to a feature of the present invention, the message that is used for for example setting up the tunnel between home agent and Foreign Agent or terminal node (node is moved in image drift) comprises: first and second move the IP home address, and wherein the form of these two home address is different.In certain embodiments, in these two home address one is the form according to 32 bits of IPv4, and another is 128 bit addresses of IPv6 address format.
Under the situation of using the IPv6 signaling, as according to extension of the present invention, in order to set up the tunnel, these two home address that are included in the message that is used for setting up the tunnel can have identical total bit number, i.e. 128 bits, but one of these two addresses are the form that comprises a plurality of filling bits, and for example 94 filling bits are used to fill the home address of one 32 bit, with the space of 128 bit addresses that are fit to provide among the IPv6.
Further feature is at preserving and user mode information, and described status information allows to send IPv4 and/or IPv6 grouping by the tunnel that the signaling of using IPv4 or IPv6 type is set up.According to these features of the present invention, make a plurality of addresses, wherein at least two have different form (for example bit number), in the status information of being used by home agent, relevant with a public destination-address (for example Care-of Address or mobile node address).Under the situation of different addresses corresponding to different IP versions, according to the present invention, this causes being divided into groups by the IP that home agent sends corresponding to different IP versions by individual tunnel by using for example encapsulation.
The tunnel of the application of the invention is set up and the communication technology, by the tunnel that the signal that uses IPv4 or IPv6 type according to the present invention is set up, can transmit IPv4 and/or IPv6 grouping.
In view of detailed description subsequently, many extra features of the present invention, embodiment and benefit will be conspicuous.
Embodiment
The present invention is directed to the mobility management method and the device that are used for network enabled layer protocol version independent.According to the present invention, be used for setting up the signaling method that redirects (encapsulation or tunnel) and be independent of the type that redirects that to set up.Independently mobility management protocol and/or module realize one or more features of agreement of the present invention by use agreement, mobile IPv 4 and IPv6 can move on the network layer of any version, and can be in office what set up the tunnel of arbitrary network layer version in its network layer version.
Fig. 1 represents a kind of canonical system 100 of realizing of the present invention based on mobile IP.The system of being described 100 comprises one first network 128, and it is connected to one second network 129 by an intermediate network node 102.For explaining purpose of the present invention, first network 128 is used as attributed region, and network 129 is corresponding to accessed zone.Network 129 comprises the access node 114 that is provided to the connection of N terminal node (160,162) via corresponding access link (118,120).Network 128 comprises that for example: the terminal node X 162 among Fig. 1 provides the home agent node 130 of mobile management to the terminal node of registration thereon.Be provided at interconnection between the node 114,130 by network link 108,134 and intermediate network node 102.
In the system of being described 100, terminal node X 162 uses mobile IP can get in touch with maintenance, and its current network connection point is by accessed access node 114.Terminal node X 162 has registered the address relevant with mobile IPv 4/6 Foreign Agents of access node 114/service module 116 as a Care-of Address in its home network 128 on its home agent 130.
In Fig. 1, mobile IPv 4 or mobile IP v 6 tunnel that one of dotted line 146 expression is set up between the home agent node 130 of terminal node and Foreign Agent node 114 according to the present invention.In the tunnel under the situation of extending between the home agent 130 of terminal node and the terminal node X 162, except dotted line 146, the dotted line 148 expression mobile IPv 4s between nonlocal agent node 114 and terminal node X 162 or the part in mobile IP v 6 tunnel.As hereinafter will discussing, tunnel 146,148 can, and be used to transmit IPv4 or IPv6 grouping, and tunnel itself to be IPv4 or IPv6 tunnel.
Fig. 2 represents a kind ofly can be used as for example exemplary end node 200 of terminal node X 162 in the system of Fig. 1.In the embodiment of Fig. 2, terminal node 200 comprises first antenna 203 that is connected to a receiver unit 202,205, one processors 206 of second antenna and a storer 210 that is connected to a transmitter unit 204, they link together by bus 208.The unit 202,204,206,208 and 210 of access node 200 is positioned at one by round the internal element 202,204,206,208 of node and 210 the represented shell 211 of rectangle, for example, and within plastics and/or the can.Therefore, via bus 208, each element of access node 200 can exchange message, signal and data.Antenna 203,205 with corresponding receiver 202 and transmitter 204 provide access node 200 inner member can from/receive and send the mechanism of signal to external unit and network node.Antenna 203,205 can extend to outside the shell 211.
Processor 206 under each module (for example routine) control that is included within the storer 210 is being controlled the operation of terminal node 200 to carry out the following various mobile management signalings that will discuss, tunnel foundation and other operation.When starting or when the time, carry out the module that is included within the storer 210 by other module accesses.When module is performed, can swap data, information and signal.When module is performed, can also shared data and information.In the embodiment of Fig. 2, the storer 210 of access node 200 of the present invention comprises a communication routines 223, this an irrelevant client modules 225 and status information 212 of hierarchical mobile IP.Status information 212 comprises, for example carries out mutual and/or the relevant parameter of communicating by letter, communication session and/or access node status information, security information and/or out of Memory with network node and access node and/or another equipment.Status information 212 also comprises one or more IP version 4 home address (HoAv4) 214, IP version 6 home address (HoAv6) 216 and IPv4 and/or IPv6 Care-of Address (CoA) information 218.
Communication routines 223 is responsible for being controlled at described terminal node and other node, for example, and the communication between other terminal node and/or the network node.Mobile IP customer terminal module 225 allows access node 200 to support movability and connectivity management service.Like this, when between access node when mobile, terminal node 200 can carry out session foundation and session keeps service.
Fig. 3 represents a kind of typical access node 300, and it can be used as in the system of Fig. 1, for example, and as the accessed access node 114 of Foreign Agent.In the embodiments of figure 3, access node 300 comprises an input/output interface 301, first antenna 363 that is connected to a receiver unit 362, second antenna 365 that is connected to a transmitter unit 364, processor 303 and storer 312, they link together by bus 305.The unit 301,362,364,303,312 and 305 of access node 300 is positioned at one by round the internal element 301,363,362,365,364,303,312 of node and 305 the represented shell 311 of rectangle, for example, within plastics and/or the can.Therefore, via bus 305, each element of access node 300 can exchange message, signal and data.Antenna 363,365 with corresponding receiver unit 362 and transmitter unit 364 provide access node 300 inner member can from/receive and send the mechanism of signal as terminal node to external unit.Antenna 363,365 can extend to outside the shell 311.Input/output interface 301 provides the inner member of access node 300 to interact, the mechanism of for example, communicate by letter with other network node (for example via the fibre circuit that is used for interface 301 is connected to other network node).
Fig. 4 represents a kind of exemplary home agent node 400, and it can for example be used as in the system of Fig. 1, as the home agent node 130 of home agent.In the embodiment of Fig. 4, home agent node 400 comprises an input/output interface linking together by bus 405 401, a processor 403 and a storer 412.The unit 401,403,412,405 of access node 400 is positioned at one by the represented shell 411 of rectangle round the internal element 401,403,412,405 of node, for example, and within plastics and/or the can.Therefore, via bus 405, each element of access node 400 can exchange message, signal and data.Input/output interface 401 comprises circuit, and it for example is used for node 400 being connected to other network node, and for example via radio communication channel, node 400 may being connected to terminal node via fibre circuit.
A feature of the present invention is intended to a kind of method, and it uses IPv4 and IPv6 to move, and can set up IPv6, the IPv4 in the IPv6 tunnel, the IPv4 in the IPv4 tunnel, the IPv6 in the IPv6 tunnel in the IPv4 tunnel.Like this, IPv4 and/or IPv6 can use with IPv4 or IPv6 tunnel.In the present embodiment, mobile node can move in the network of supporting IPv4, IPv6 or these two versions.
The second embodiment of the present invention is to have suitably and the mobile IPv 4 of the redaction of novel expansion, and it makes IPv4 and IPv6 node can use mobile IPv 4 to set up IPv6 in the IPv4 tunnel, IPv4, IPv4, IPv6 in the IPv6 tunnel in the IPv4 tunnel and/or combination in any wherein in the IPv6 tunnel.In the present embodiment, mobile node can move in the network of supporting IPv4 or in the network of supporting IPv4 and IPv6, but can not move in the network of only supporting IPv6.
The third embodiment of the present invention is to have suitably and the mobile IP v 6 of the redaction of novel expansion, and it makes IPv4 and IPv6 node can use mobile IP v 6 to set up IPv6, the IPv4 in the IPv6 tunnel, the IPv4 in the IPv4 tunnel, the IPv6 in the IPv6 tunnel in the IPv4 tunnel.In the present embodiment, mobile node can move in the network of supporting IPv6 or in the network of supporting IPv4 and IPv6.
How Fig. 5 and 6 expressions can use IPv4 and IPv6 tunnel 512,612 respectively according to the present invention.At any time, will use individual tunnel 512 or 612 usually.Yet the present invention does not get rid of a plurality of tunnels of use.
Fig. 5 has described the node 400 same or analogous home agent nodes 550 with Fig. 4, and a node 540.Pattern according to employed mobile IP, that is: whether use Foreign Agent, node 540 or an access node of working as Foreign Agent, node 540 and node depicted in figure 3 300 are same or similar in the case, or a terminal node.At node 540 is under the situation of a terminal node, and it can be same or similar with exemplary end node depicted in figure 2 200.When using Foreign Agent, between Foreign Agent 540 and home agent 550, send signaling message so, representative is connected to the terminal node of Foreign Agent 540 as shown in Figure 1.
Send this irrelevant signal 513 of hierarchical mobile IP from node 540 to 550.Message 513 comprises an IPv4 home address, an IPv6 home address and an IPv4 Care-of Address.When receiving message 513, home agent 550 is preserved in its status information 410 of Fig. 4 and is included in IPv4 and the mapping between the IPv6 home address in the message 513 and is included in IPv4 Care-of Address in the message 513 equally.
According to described state, home agent produces an IPv4 tunnel 512, and its source address is its home agent IPv4 address, and destination-address is the IPv4 Care-of Address.In IPv4 tunnel 512, encapsulate the grouping that sends to any home address by home agent node 550, for example: IPv4 grouping 520 and/or IPv6 grouping 530, and send it to node 540.When node 540 was a terminal node, node 540 was removed the encapsulation of the grouping that receives with Care-of Address (as outside destination-address), and they are discerned as the grouping of oneself.When node 540 is a Foreign Agent, after removing encapsulation, Foreign Agent is compared the destination-address (shoulding be one of home address in the message 513) of the packets inner that receives with the direct-connected address of node in its status information 310 that is kept at Fig. 3.If the coupling of discovery, Foreign Agent for example via Radio Link, is transmitted the grouping of removing encapsulation to the terminal node of correspondence so.
Fig. 6 described with Fig. 5 in identical home agent node 550 and node 540.In this exemplary embodiments of the present invention, send this irrelevant signal 613 of hierarchical mobile IP to 550 from node 540.Message 613 comprises an IPv4 home address, an IPv6 home address and an IPv6 Care-of Address.When receiving message 613, home agent 550 is preserved in its status information 410 of Fig. 4 and is included in IPv4 and the mapping between the IPv6 home address in the message 613 and is included in IPv6 Care-of Address in the message 613 equally.
According to the state that comprises the mapping between IPv4 and the IPv6 home address, home agent produces an IPv6 tunnel 612, and its home agent IPv6 address is as source address, and the IPv6 Care-of Address is as destination-address.In IPv6 tunnel 612, encapsulation sends to the grouping of any home address in the message 613, for example: and IPv4 grouping 520 and/or IPv6 grouping 530, and send it to node 540.When node 540 was a terminal node, node 540 was removed the encapsulation of the grouping that receives on Care-of Address, and they are discerned as the grouping of oneself.When node 540 is a Foreign Agent, after removing encapsulation, Foreign Agent with the inherence, inner destination-address (shoulding be one of home address in the message 613) for example, compare with its status information 310 of Fig. 3.Be directly connected to the coupling of Foreign Agent node if find expression destination node, Foreign Agent for example via Radio Link, is transmitted the grouping of removing encapsulation to the terminal node of correspondence so.
The IPv4 of Fig. 5 and 6 and IPv6 tunnel 512,612 are set to from home agent 550 to node 540 direction, but, also can are two-way according to normal mobile IP signaling.
In one embodiment of the invention, the basic agreement of use is a mobile IPv 4.In the case, introduce the expansion of following novelty by the present invention.
According to the present invention, stipulate the new expansion of employed mobile IPv 4 header at this.When using, the IPv6 address that is used for 128 bits of the present invention is carried in new expansion, with the IPv6 home address and the IPv6 Care-of Address of identification mobile node.
In one embodiment of the invention, [MIPv4] according to short extended format implements new expansion.This expansion will have
| Type (1 byte) | Length (1 byte) | Subtype (1 byte) | Main body (16 byte) |
| TBA * | 17 | 1 is used for IPv6 home address 2 is used for the IPv6 Care-of Address | IPv6 address or prefix |
*To distribute (To be Assigned) by counting authority
Support mobile IP agent of the present invention, in their agent advertisement that is transferred to each node, announce to support new method.In one embodiment of the invention, increase a new mark to the agent advertisement header format, to express support for the expansion of IPv6.
The expansion of the IP version 6 that mark A supports.
In an exemplary embodiments, prepare to support the mobile IPv 4 home agent of the IPv6 of mobile node that the A mark is set according to the present invention.Prepare to support Foreign Agent that the A mark is set according to the present invention with mobile client of IPv6 home address.
According to Foreign Agent couple in router of the invention process, can be from direct-connected mobile node, perhaps, receive the IPv6 grouping, and oppositely make them arrive home agent [REVTUN] by the tunnel via direct transmission or via the form of encapsulated delivery.This couple in router, is called as " limited dual stack " Foreign Agent with regard to the present invention.In an alternate embodiment of the present invention, support the Foreign Agent couple in router of method of the present invention in the Route Selection notice, to announce one or more IPv6 network prefixs concurrently, with a part of finding as standard I Pv6 neighbours, in the case, couple in router is called as " dual stack completely " Foreign Agent for explaining purpose of the present invention.
Reception does not have the mobile client of the home agent notice that the A mark is provided with, and ignores the IPv6 expansion in nonlocal agent advertisement, and does not attempt to use the IPv6 expansion in their any one of registration request.Any node of IPv6 that can use can use the IPv6 Route Selection notice that receives from couple in router, to form the IPv6 address according to [AUTO].Support to use this address as Care-of Address in the new IPv6 Care-of Address expansion of mobile node of the present invention in the registration request.Support the mobile IP customer terminal of method of the present invention to comprise one or more IPv6 address extension that are used for the request of registering described here.When using when describing the IPv6 address extension of using according to the present invention, they are placed on after the registration request header by adjacent landing usually, and are comprised in the calculating of any checking expansion.
The dual stack home agent of the IPv6 expansion that support is used according to the present invention except the state of regulation in [MIPv4], also writes down the IPv6 correlation behavior subsequently that is used for the mobile IP customer terminal that it supports.
The IPv6 home address of-mobile node
The IPv6 Care-of Address of-mobile node
According to the mechanism of in [MIPv4] and [MIPv6] instructions, describing, support home agent intercepting of the present invention to go to the IPv4 and the IPv6 grouping of the mobile node of registration.All flows that intercepted arrive the transmitting register address of corresponding mobile node by the tunnel.
" limited dual stack " of the present invention Foreign Agent, except the state of regulation in [MIPv4], also record is used for the IPv6 correlation behavior subsequently of the mobile node that it supports.
The IPv6 home address of-mobile node
This Foreign Agent accepts to comprise the registration request of IPv6 home address extension, and refusal comprises the registration request of IPv6 Care-of Address expansion.It also prepares to handle the ipv6 traffic that is used for mobile node, by after the encapsulation of removing the IPV4 header that receives from home agent, it being passed to mobile node, or by receive from mobile node IPv6 divide into groups after on IPv4 reverse tunnel to home agent.
" dual stack completely " Foreign Agent, except the state of regulation in [MIPv4], also record is used for the IPv6 correlation behavior subsequently of the mobile IP customer terminal that it supports.
The IPv6 home address of-mobile node
IPv6 colocated (co-located) address of-mobile node
This dual stack router and Foreign Agent accept to comprise the registration request of IPv6 Care-of Address and/or IPv6 home address extension.This Foreign Agent is prepared local IPv6, the perhaps reverse tunnel according to the request of terminal node of sending.
If mobile node is not received any expression of supporting IPv6, promptly the neighbours from a couple in router find that flow does not have the A mark in Foreign Agent Route Selection notice, so, if it increases the IPv6 home address extension to the registration request, it will be provided with T mark (reverse tunnel).In one embodiment of the invention, the registration request also comprises the transmission option of encapsulation, thereby enables the reverse tunnel of IPv6 grouping and the direct transmission of IPv4 grouping.
If mobile node is not received any expression of supporting IPv6, so in one embodiment of the invention, it uses the Care-of Address of IPv4 colocated to register, if it increases the IPv6 home address extension to the registration request in the case, it will be provided with T mark (reverse tunnel).In the case, the reverse tunnel of the home agent from mobile node to it is used for all ipv6 traffics.
If mobile node receives that from the couple in router on the link normal IPv6 neighbours notify message, so in one embodiment of the invention, it comprises the expansion of IPv6 Care-of Address in its registration request.
If mobile node does not have the IPv6 home address pre-configure, it need dynamically form one so.In one embodiment of the invention, mobile node sends one zero IPv6 home address extension.Home agent distributes a home address from its subnet, and it is returned in same expansion.
In a second embodiment, mobile node sends one zero IPv6 home address, and home agent returns a prefix (being used for network allocation) of distributing to this mobile node.Described prefix sends as PREFIX ∷ in the IPv6 home address extension.In the case, any grouping that sends to described PREFIX will arrive described mobile node by the tunnel.
In the 3rd embodiment, mobile node sends 0 ∷ EUI64 in the IPv6 home address extension, and wherein EUI64 is the link layer address of this mobile node.Home agent is filled in its mobile network's prefix and is returned PREFIX ∷ EUI64, if perhaps it has distributed subnet, then only returns PREFIX ∷.
In another embodiment, mobile node sends its EUI64 in link layer address expansion, and home address to return the IPv6 home address extension be PREFIX ∷ EUI64, if perhaps it has distributed whole subnet, then be returned as PREFIX ∷.
Can design the expansion of same function, so that can implement mobile IP v 6 based on agreement.
Method and apparatus of the present invention is applicable to communication system widely, and it comprises that for example the support of ofdm system, cdma system and various other types uses IP to realize communication objective honeycomb and non-cellular system.
According to the present invention, in each embodiment, the Receiver And Transmitter circuit of node of the present invention comprises the impact damper that is used for preserving respectively message reception and/or that send.Described impact damper can be positioned within the part of primary memory of Receiver And Transmitter circuit or node.In addition, as the part of the message production process of carrying out by each node (for example terminal node and access node), as a rule, in storer, at least temporarily preserve new message of the present invention.Each feature of the present invention is at the machine readable media of preserving new message of the present invention, for example receiver impact damper, transmitter buffer or other storer.In the novel message that can be stored in the machine readable memory, there is one to comprise that first and second move the mobile IP message of IP home address, described first and described second to move the IP home address be different forms, and described different form is corresponding to the IP of different editions.In one embodiment, first moves the address that the IP home address is 32 bits, and second moves the address that the IP home address is 128 bits.In another embodiment, first and second move the address that the IP home address is 128 bits, and one of described address comprises 32 bits and 94 filling bits that are used to illustrate mobile IP home address.Novel message of the present invention is all right, and in some embodiments positively, comprises first Care-of Address corresponding to the form of one of IP of described different editions.
In different embodiment, use one or more modules to implement node described here, to carry out the step corresponding to one or more methods of the present invention, for example signal Processing, message generate and/or transmitting step.Like this, in certain embodiments, each characteristic of the present invention is to use module to implement.This module can use the combination of software, hardware or software and hardware to implement.Many in above-described method or the method step can be used machine-executable instruction, for example, be included in machine readable media for example the software within memory device such as RAM, the floppy disk etc. implement, with the control machine, for example there is or do not have the multi-purpose computer of additional hardware, thereby, for example in one or more nodes, implement all or part of above-described method.Therefore, what wherein need to illustrate a bit is, the present invention is directed to machine readable media, and it comprises machine-executable instruction to cause machine, and for example processor and related hardware are carried out the step of one or more methods mentioned above.
For those familiar with the art, in view of foregoing description of the present invention, the many extra variation of above-described method and apparatus of the present invention will be conspicuous.This variation will be believed to comprise within category of the present invention.Method and apparatus of the present invention is passable, and in different embodiment, cooperates the communication technology of the CDMA, OFDM (OFDM) and/or various other types that can be used for providing the wireless communication link between access node and the mobile node to use.In certain embodiments, access node is implemented as the base station of using OFDM and/or CDMA and mobile node to set up communication linkage.In different embodiment, mobile node is comprised that as notebook computer, PDA(Personal Digital Assistant) or other portable set receiver/transmitter circuitry and logic and/or routine implement, to realize method of the present invention.
Claims (38)
1. method of mobile communication, this method comprises:
Operate a home agent to receive a mobile IP message, described message comprises:
First and second move the IP home address, and described first and described second to move the IP home address be different forms, and described different form is corresponding to the IP of different editions.
2. the process of claim 1 wherein that described first moves the address that the IP home address is one 32 bit, described second moves the address that the IP home address is one 128 bit.
3. the process of claim 1 wherein that described first and second move the address that the IP home address is 128 bits, one of described address comprises 32 bits and 94 filling bits that are used to specify mobile IP home address.
4. the process of claim 1 wherein that the mobile IP message of described reception further comprises:
First Care-of Address corresponding to the form of one of IP of described different editions.
5. the process of claim 1 wherein that described mobile IP message is a mobile IPv 4 registration request.
6. the process of claim 1 wherein that described mobile IP message is a mobile IP v 6 Binding Update.
7. the method for claim 4 further comprises:
Operate described home agent with preservation information, so that described first and second home address are associated with described first Care-of Address.
8. the method for claim 7 further comprises:
Operate described home agent to receive a grouping that comprises a destination-address, described destination-address is one of described first and second home address; And
Operate described home agent to encapsulate the grouping of described reception, to produce a new grouping that comprises the grouping of the described reception of at least a portion, described new grouping comprises that described Care-of Address is as destination-address.
9. the method for claim 8, wherein operate described home agent and encapsulate and comprise:
Visit the information that described first and second home address of making of described preservation are associated with first Care-of Address, to determine that described Care-of Address is as described destination-address.
10. the method for claim 9 further comprises:
Send described new grouping to a Foreign Agent; And
Operate described Foreign Agent removing the encapsulation of described new grouping, thereby fetch the grouping that receives by home agent.
11. the method for claim 10 further comprises:
Operate described Foreign Agent will comparing, thereby determine that whether described destination-address is corresponding to a node that is directly connected to described Foreign Agent in the mobile node address that is directly connected to described Foreign Agent that the destination-address in the described grouping of fetching and the information of preservation are listed; And
, operate described Foreign Agent and send described grouping of fetching corresponding to a node that is directly connected to described Foreign Agent in response to having determined a mobile node corresponding to described destination-address to the pairing described mobile node of destination-address.
12. the method for claim 11,
Wherein said Foreign Agent is included in the base station; And
One of them wireless communication link with described base station and comprising described Foreign Agent be directly connected to described mobile node.
13. the process of claim 1 wherein that the mobile IP message of described reception further comprises:
First and second Care-of Address, described first is different forms with described second Care-of Address, described different form is corresponding to the IP of described different editions, and described first Care-of Address is relevant with described first home address and described second Care-of Address is relevant with described second home address.
14. the method for claim 1 further comprises:
Operate an equipment and send described mobile IP message to described home agent.
15. the method for claim 14, wherein said equipment are mobile nodes, described method further comprises:
Operate described mobile node and from the information of preserving, generate the described message that comprises described first and second home address.
16. the method for claim 15,
The information of wherein said preservation makes described first and second home address relevant with single Care-of Address; And
Wherein generate described message and be included in the described single Care-of Address of merging in the described message.
17. the method for claim 14, wherein said equipment are Foreign Agents, described method further comprises:
Operate described Foreign Agent and receive a message that comprises described first and second home address from a mobile node; And
Operate described Foreign Agent to preserve described first and second home address.
18. the method for claim 17 further comprises:
Operate described Foreign Agent with from least a portion from the message that described mobile node receives, generate the message that receives by described home agent; And
Operate described Foreign Agent and send described message to described home agent.
19. a communication system, it comprises:
A home agent node, this home agent node comprises:
Be used to receive the device of IP grouping;
One group address message, it is relevant with a Care-of Address to make first and second of first and second forms move the IP home address, and described first and second forms are different; And
Be used for carrying out encapsulation operation as the grouping of reception one of described first and second groupings, that comprise a destination-address, to generate a device that comprises the new grouping of the described reception grouping of at least a portion, described new grouping comprises that described Care-of Address is as destination-address.
20. the communication system of a claim 19, wherein said first moves the address that the IP home address is one 32 bit, and described second moves the address that the IP address is one 128 bit.
21. the communication system of a claim 19 further comprises:
Be used to receive one and comprise that described first and second move the device of the mobile IP message of IP home address and described Care-of Address; And
One is used to preserve the memory device that IP home address and described Care-of Address are moved in described first and second of association each other.
22. the communication system of a claim 21 further comprises a Foreign Agent node, described Foreign Agent node comprises:
Address database corresponding to a plurality of terminal nodes that are connected to described Foreign Agent node, at least one record comprises two addresses corresponding to same terminal node in described database, there is different forms described two addresses.
23. the communication system of a claim 22, wherein said Foreign Agent node further comprises:
Be used to remove the encapsulation of the grouping that receives from described home agent node, to fetch originally the device of the grouping that receives by described home agent node; And
Be used for device that a destination-address that is included in described grouping of fetching is compared with the destination-address in being included in described address database.
24. the communication system of a claim 23, wherein said Foreign Agent node further comprises:
Be used for sending to a terminal node device of described grouping of fetching at wireless communication link.
25. the communication system of a claim 22, wherein said Foreign Agent node further comprises:
Be used for including the device that described first and second of different-format moves the message of IP address from the terminal node reception; And
Be used for preserving described first and second and move the device of IP address at described database.
26. a machine readable media, it comprises:
A kind of mobile IP message, described message comprises:
First and second move the IP home address, and described first and described second moves IP
Home address is different form, and described different form is corresponding to the IP of different editions.
27. the machine readable media of a claim 26, wherein said first moves the address that the IP home address is one 32 bit, and described second moves the address that the IP home address is one 128 bit.
28. the machine readable media of a claim 26, wherein said first and second move the address that the IP home address is 128 bits, and one of described address comprises 32 bits and 94 filling bits that are used to specify mobile IP home address.
29. the machine readable media of a claim 26, the mobile IP message of wherein said reception further comprises:
One is first Care-of Address of the form of one of IP corresponding to described different editions.
30. the machine readable media of a claim 29, wherein said machine readable media are data storage devices in the node of communication network.
31. the machine readable media of a claim 30, wherein said data storage device are communication buffers.
32. the node in a mobile communication system, this node comprises:
Be used to generate one and comprise that first and second move the device of the mobile IP message of IP home address, described first and described second to move the IP home address be different forms, and described different form is corresponding to the IP of different editions.
33. the node of a claim 32, wherein said node are mobile nodes, this node further comprises:
The information that is saved comprises described first and second home address.
34. the node of a claim 33,
The wherein said information that is saved makes described first and second home address relevant with a single Care-of Address; And
Wherein generate described message and be included in the described single Care-of Address of merging in the described message.
35. the node of a claim 34, wherein said node further comprise a transmission buffer that is used for preserving described message before transmission.
36. the node of a claim 32, wherein said node are Foreign Agent nodes, this node further comprises:
Be used for receiving a device that comprises the message of described first and second home address from a mobile node; And
Be used to preserve the storer of described first and second home address.
37. the node of a claim 36 further comprises:
The message that is used for receiving from least a portion from described mobile node generates the device of described mobile IP message; And
Be used for sending the device of described message to a home agent corresponding to described mobile node.
38. the node of a claim 37, the wherein said device that is used to receive comprise an impact damper that is used to preserve from the message of described mobile node reception.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44323603P | 2003-01-28 | 2003-01-28 | |
| US60/443,236 | 2003-01-28 | ||
| US10/373,457 | 2003-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1771490A true CN1771490A (en) | 2006-05-10 |
Family
ID=36751953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480008607 Pending CN1771490A (en) | 2003-01-28 | 2004-01-26 | Methods and apparatus for supporting an internet protocol (IP) version independent mobility management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1771490A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115022B (en) * | 2006-07-28 | 2010-05-12 | 华为技术有限公司 | Apparatus and method for implementing node to roaming in IPv6 network |
| CN101123575B (en) * | 2006-08-11 | 2012-04-04 | 华为技术有限公司 | A multi-host access method, system and device supporting mixed IP |
| CN101605125B (en) * | 2008-06-10 | 2012-04-25 | 电信科学技术研究院 | Method, system and device for transmitting GTPv2 messages |
| CN101594348B (en) * | 2008-05-29 | 2012-06-27 | 电信科学技术研究院 | Method, system and device for transmitting GTPv2 message |
| CN104205896A (en) * | 2012-03-23 | 2014-12-10 | 诺基亚公司 | Method for automatic tunneling of IPv6 packets with topologically incorrect source addresses |
-
2004
- 2004-01-26 CN CN 200480008607 patent/CN1771490A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115022B (en) * | 2006-07-28 | 2010-05-12 | 华为技术有限公司 | Apparatus and method for implementing node to roaming in IPv6 network |
| CN101123575B (en) * | 2006-08-11 | 2012-04-04 | 华为技术有限公司 | A multi-host access method, system and device supporting mixed IP |
| CN101594348B (en) * | 2008-05-29 | 2012-06-27 | 电信科学技术研究院 | Method, system and device for transmitting GTPv2 message |
| CN101605125B (en) * | 2008-06-10 | 2012-04-25 | 电信科学技术研究院 | Method, system and device for transmitting GTPv2 messages |
| CN104205896A (en) * | 2012-03-23 | 2014-12-10 | 诺基亚公司 | Method for automatic tunneling of IPv6 packets with topologically incorrect source addresses |
| CN104205896B (en) * | 2012-03-23 | 2018-12-28 | 诺基亚技术有限公司 | There is the automatic tunnel transmission method of the IPv6 data packet of the source address of topological inaccuracy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1283126C (en) | Methods and apparatus for mobile IP home agent clustering | |
| AU758400B2 (en) | Method and apparatus for communicating data packets from an external packet network to a mobile radio station | |
| CN101272305B (en) | Access point/user set network entry method, access point and network management device | |
| CN1468474A (en) | Methods and apparatus for implementing nat traversal in mobile ip | |
| CN1820458A (en) | Dynamic and traffic-driven optimization of message routing to geographical addresses | |
| EP1593043A2 (en) | Methods and appartus for supporting an internet protocol (ip) version independent mobility management system | |
| CN1714558A (en) | Mobile IP registration supporting port identification | |
| CN1589538A (en) | Mobile router support for IPV6 | |
| CN1853394A (en) | System and method for using an ip address as a wireless unit identifier | |
| CN1745558A (en) | Arrangement for establishing a bidirectional tunnel between a mobile router and a correspondent router | |
| US8843588B2 (en) | Methods, apparatuses, related computer program product and data structure for distributed storage of service provision-related information | |
| CN1830182A (en) | Arrangement for retrieving routing information for establishing a bidirectional tunnel between a mobile router and a correspondent router | |
| CN1537374A (en) | Providing position independent information bag routing select and secure network access for short-range wireless network environment | |
| US20040037242A1 (en) | Allocating addresses to mobile stations | |
| CN1395769A (en) | Regional tunnel management method in mobile communication system using mobile IP | |
| CN1849798A (en) | Reachability maintainance of a moving network based on temporary name identifiers | |
| CN1623300A (en) | System and method for supporting mobility of mobile node using regional anchor point in future internet | |
| CN1177433C (en) | Method for managing broadcast of multi-broadcast service source in mobile network | |
| CN1748399A (en) | Mobile director | |
| CN103167483B (en) | A kind of data forwarding method based on tunnel, equipment and system | |
| CN1643853A (en) | Method and system for providing network services | |
| CN1771490A (en) | Methods and apparatus for supporting an internet protocol (IP) version independent mobility management system | |
| US6763004B1 (en) | System and method for paging mobile stations in a radio telecommunications network | |
| CN101040546A (en) | Method and apparatus for implementing direct routing | |
| CN1302651C (en) | A service universal block radio business supporting internodel communication method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: QUALCOMM FLARION TECHNOLOGIES INC. Free format text: FORMER OWNER: FLARION TECHNOLOGIES INC. Effective date: 20060721 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20060721 Address after: American California Applicant after: Flarion Technologies, Inc. Address before: American New Jersey Applicant before: Flarion Technologies Inc. |
|
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1090148 Country of ref document: HK |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1090148 Country of ref document: HK |