CN100409629C - Network selection for connectivity - Google Patents
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- CN100409629C CN100409629C CNB038055678A CN03805567A CN100409629C CN 100409629 C CN100409629 C CN 100409629C CN B038055678 A CNB038055678 A CN B038055678A CN 03805567 A CN03805567 A CN 03805567A CN 100409629 C CN100409629 C CN 100409629C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5691—Access to open networks; Ingress point selection, e.g. ISP selection
- H04L12/5692—Selection among different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
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Abstract
The invention relates to data communication via a plurality of communication networks, such as IP, ATM, STM, PLMN, etc, networks, and in particular to selection of networks for connectivity. A system is provided in a first network for receiving and holding information from other second networks relating to provided services, quality of services and cost, and for transmission of corresponding information from the first network to the other second networks so that selection of second networks for data transmission may be performed in accordance with criteria defined in the first network, such as desired quality of service, cost, etc.
Description
Technical field
The present invention relates to relate in particular to the network selecting of connection by data communication such as a plurality of communication networks of networks such as IP, ATM, STM, PLMN.
Background technology
Up to date, the Virtual network operator network of setting up and dispose them is with carry voice traffic only.Each inhabitation user needs a telephone line at most, and it is used for voice.In the late 20th century, fixing and mobile phone and data communication are independently occurring in the network world in large quantities.These networks are shared the transmission equipment of same type, and the ever-increasing part of telephone service is inserted by dialup internet and constitutes.Broadband access occurs mainly as the high-speed data circuits of major company.
Each network in these known networks have it management system, it be used to the resource that exchanges, transmit and insert and its terminal type.Each operator is responsible for all affairs of supply chain merchant, sets up and sends from the business that the user is linked on the network infrastructure that has fully.
Yet Virtual network operator is being subjected to the challenge of ever-increasing terminal use's demand.The terminal use wish in one day institute is free and make a phone call simultaneously, Email, surfing, download, data flow and meeting.Simultaneously, the quantity of operator is increasing, and the competition between the operator is also in aggravation.
When the user wishes to set up communication channel, for example carry out call, carry out video conference, watch film, play games, chat and search database etc., the user asks its network as the client usually, be called first network hereinafter, operator set up and keep communication channel between desirable other participant this user with in the BlueDrama of being asked.Yet specific operator can be called second network of appointment hereinafter by other carrier network, selects the road and sends communication data.Typically, the operator of first network is according to communication participant's geographical position, type of service, desired services quality with becomes original selection second network.
Under the situation of the multiple business of each Virtual network operator and rate, competition is obvious.Rate and changes according to duration, data rate, data quantity transmitted, data type, payment methods and the sales promotion etc. of the character of the contract of signing between user and the operator, intraday time, communication not only between target.
Thereby the ever-increasing quantity of the service quality of operator, business, complicated rate structure and different brackets has formed a kind of needs, the data of the communication session that promptly a kind of automatic selection network is asked with Route Selection suitably or the system of information.
Operator is at war with such as aspects such as cost, quality, business, interconnection agreement and fail safes in business parameters.The income of operator generates by a plurality of different resources.From the income of articulamentum by Media Stream, for example data flow that is sent and reservation that must resource etc., charge and generate.By cautiously select the connection of second network according to business parameters, its profit can improve in operator.
In W0 00/02400, a kind of route selective network that uses in communication network is disclosed, it comprises a plurality of networks, and wherein said route selective network comprises at least one switch, is used for according to routing table business being selected the road by another network and sends to desired target.Route selective network has the call route selecting data administrator, comprising: device is used to monitor and relevant a plurality of parameters of other network in the communication network; Install, be used for being identified for the routing table of each switch in the described network according to the parameter that is monitored; And device, be used for controlling one or more switch according to determined routing table.
Fig. 1 schematically illustrates the foundation of the communication channel that is used for communication session of prior art.In this example, communication session is telephone relation.Network 1-5 is IP network or atm network.When session begins, set up session control communication channel 6, for example comprise the negotiation of coding and decoding and the exchange of tie point.Then, as the carrier of media flow transmission, set up data pay(useful) load communication channel 7 or access path 7.The home cell 8 that resides on the corresponding network edge is set up carrier 7.Can use best endeavors (best effort) method, perhaps can dispose the routing table that is used for LSR in the artificially.
In the multiprotocol label switching (mpls) structure, the home cell 8 of Fig. 1 is considered as the I/O node.Network 1-5 comprises a plurality of LSRs, uses label distribution protocol (LDP) to exchange routing information.Constraint-based Routing is selected to guarantee the bandwidth of trunk line or other grade of service characteristic in the MPLS network, but it can not guarantee the respective resources of each communication session.In addition, MPLS does not provide the device according to the Standard Selection network that defines in first networking.
Summary of the invention
Thereby, in first network, need a kind of system, be used to receive and the information relevant of preserving from second network with the business that is provided, service quality and cost, and be used for the corresponding information from first network is sent to second network, so that can be according to the standard that in first network, defines, for example desired services quality and cost etc. are carried out second network selection that is used for transfer of data.
As shown in Figure 1, in data communication network, can divide session control and data pay(useful) load, so that can carry session control and data pay(useful) load by different networks.This means that the resource that needs may be disabled on by the real time of this channel communication in the selected network that is used to set up the data pay(useful) load communication channel 7 of being asked, perhaps, in the process of communication session part, may lose resource, so experience loss of data or delay.
Another object of the present invention provides a kind of system, and it can guarantee to set up and safeguard the resource of the communication channel needs with desired services quality in whole communication session.
According to a first aspect of the invention, above-mentioned and other purpose realizes by a kind of network selecting system, this system is used for the selection of second network of network in first network under the situation of the Route Selection that is independent of session control and data pay(useful) load, be used for being connected to carry out transfer of data with first network, this system comprises network selector, has a peer device, it comprises the sign second network of network parameter value that is used to preserve from second network to first Network Transmission and the memory of the sign first network of network parameter value from first network to second Network Transmission, this network selector is suitable for generating network selecting information according to described parameter value and the selection strategy that defines in first network, be that selection strategy is that operator by first network defines, and can visit by the network selecting system.
The network selecting system can also comprise the network selecting information unit, it receives network selecting information, and generate special-purpose selection information, for example according to the comparison between needed business, service quality and cost and the available service of in the peer device of this system, preserving, service quality and the cost.Therefore, special-purpose selection information can comprise the sign of second network that satisfies the requirement that participates in the communication of asking.
Special use selection information is transmitted to the home cell that resides on first network edge, and data are selected the road from first network sends to other network.Select information according to special use, home cell is selected second network, and sends the data pay(useful) load between first network and second network.
According to a second aspect of the invention, provide a kind of under the situation that is independent of the session control and the Route Selection of data pay(useful) load in first network network selecting second network comprise step to be connected the method for carrying out transfer of data with first network: define the first network selection strategy; Receive and preserve the parameter of sign second network from second network to first Network Transmission; With generate network selecting information according to this parameter and selection strategy.
This method can also comprise the step that generates special-purpose selection information according to network selecting information.
This method also comprises according to special use selects Information Selection second network, and the data pay(useful) load is sent to the step of second network from first network.
The parameter that characterizes network comprises QoS parameter.Effectively network transfer speeds or bandwidth obviously are one of most important QoS parameters.Other amount want QoS parameter be cell (atm network) or packet loss (IP network), time delay, sometimes be called stand-by period (stand-by period is the needed time measured value of cell or packet arrival receiving station), unsteadiness (the temporal variation of different cells or packet awaits), priority, fail safe, or the like.
At least one network parameter can relate to available data transmission performance, and is for example defined by QoS parameter.
Select the distribution of the generation of information and the network information based on the policy that is provided with by operator such as the special use of routing table.The entity of processing selecting is called home cell on network edge, and for example in IP network, the edge router is a home cell.Preferably, automatically carry out the transmission that information is selected in the special use of being used by home cell.
Network with network selecting system according to the present invention can be any one type, for example IP, ATM, STM, PLMN, or the like.The relevant information of their exchanges and accessible network and their home cell.According to the network information that is received, corresponding system automatically generates the dedicated network that is used by home cell and selects information, and this network information will be sent to other network, preferably, and the peer device of corresponding network.The network information is sent to another network be called announcement.Gathering, generation and communication network information processing are dynamic process, because the cost of network and quality etc. changed along with the time.
Thereby peer device can send parameter in second network corresponding peer device according to the advertisement policies that defines in first network.
Can upgrade network selecting information in response to the change parameter that receives from the peer device of second network.
Can upgrade network selecting information in response to the change on the selection strategy.
Become lower at cost than the multimedia communication on public switched telephone network such as the real-time multimedia communication on the networks such as Global Internet.Yet, depend on the type of selected network and the traffic carrying capacity on network such as the communication quality of voice quality and video quality.In the prior art, select second network, and set up corresponding the connection according to the condition when handling request according to the requirement of certain quality of service.Yet in conversation procedure, traffic carrying capacity may significantly change, and service quality may be reduced under the grade of being asked.
Thereby in a preferred embodiment of the invention, the network selecting system is suitable for setting up and has the connection that guarantees service quality, and promptly needed service quality is constant in the process of whole communication session.
Therefore, in a preferred embodiment of the invention, home cell 8 also is suitable for carrying out carrier and sets up agreement, be used to have foundation, thereby in the duration of whole communication session, guarantee to have the data designated transmission performance in the data pay(useful) load transmission path such as the transmission path of the data pay(useful) load of desirable data transmission performances such as data rate, stand-by period, unsteadiness and loss of data.Thereby, between the home cell 8 of adjacent networks, use carrier to set up agreement to set up carrier.Protocol message comprises the foundation of communication session, definite or negative response and release.
According to the present invention, a kind of network selecting system, be used for from a plurality of networks select will with second network of first network service in the telecommunication network system, wherein said first network have with described network system in the independent sessions control channel and the data pay(useful) load channel of other network service, wherein the feature of the described network selecting system in first network also is: network selector, be used to store second network parameter values that sends sign second network of first network from second network to, wherein said network selector is also stored and is characterized first network to send first network parameter values of second network to; The business logic unit is used to generate the network selecting strategy, and can be by described network selector visit; The network selecting information bank, be used to use network selecting strategy that is generated and the network parameter of being stored to generate special-purpose selection information, this information is designated a particular network in described a plurality of networks on described second network that satisfies the quality of service requirement relevant with described network selecting strategy.
According to the present invention in the internetwork communication link, be used for selecting the method for one second network from a plurality of networks, wherein the described transfer of data between first network and described second network comprises a discrete session control channel and data pay(useful) load channel, wherein between described first network and described second network, set up data pay(useful) load channel, it is characterized in that following steps: network selecting strategy of definition in described first network; By the described first network based advertising strategy that in first network, defines, send the described first network of network parameter of sign to described a plurality of networks; Receive and the storage networking parameter from a plurality of networks, described parameter comprise at least with described a plurality of networks in each relevant data available transmittability; According to parameter relevant and the described network selecting strategy relevant with described first network with described a plurality of networks, produce network selecting information, and select specific in a described a plurality of network conduct to meet described second network that requires with described network selecting policy-related (noun); With send second network of described data pay(useful) load to described selection from described first network.
According to the present invention in the internetwork communication link, be used for selecting the method for one second network from a plurality of networks, wherein the described transfer of data between first network and described second network comprises a discrete session control channel and data pay(useful) load channel, wherein between described first network and described second network, set up data pay(useful) load channel, it is characterized in that following steps: network selecting strategy of definition in described first network; By the described first network based advertising strategy that in first network, defines, send the described first network of network parameter of sign to described a plurality of networks; Receive and the storage networking parameter from a plurality of networks, described parameter comprise at least with described a plurality of networks in each relevant data available transmittability; According to parameter relevant and the described network selecting strategy relevant with described first network with described a plurality of networks, produce network selecting information, and select specific in a described a plurality of network conduct to meet described second network that requires with described network selecting policy-related (noun); With send second network of described data pay(useful) load to described selection from described first network, wherein saidly send described data pay(useful) load from described first network and further comprise to the step of described second network, first boundary element from described first network sends the step of second boundary element of described data pay(useful) load in described second network, and wherein said second boundary element is determined by described network selecting information; Wherein, described first and second boundary elements are suitable for carrying out a carrying and set up agreement, be used to data pay(useful) load to set up a transmission path, thereby guarantee in the pay(useful) load transmission path, to exist specific data transmission capabilities with desired data transmittability.
Description of drawings
In order to understand the present invention better, now will be with reference to the accompanying drawings by example, in the accompanying drawings:
Fig. 1 schematically illustrates the network selecting that is used to set up communication channel of prior art;
Fig. 2 schematically illustrates the multi-media network that has network selecting according to of the present invention;
Fig. 3 schematically illustrates according to of the present invention to have carrier and sets up the connection of agreement and set up;
Fig. 4 schematically illustrates the module of setting up according to network selecting of the present invention system.
Embodiment
Solid line is represented session control in the accompanying drawings, and dotted line is represented the connectivity path, and BE explains boundary element, SS conversation server.
Fig. 2 schematically illustrates the selection of network 1-5, and each network all has according to network selecting of the present invention system, is used to set up desirable communication channel.Between corresponding network selector, carry out by network selector communication channel 10 such as the exchange of the network informations such as network parameter values.The agreement of exchange network information is called network selecting agreement (ONSP).Network selecting communication channel 10 is represented the commercial relations between the Virtual network operator.Network selector has the advertisement policies that is used for each communication channel 10, and it is the use of commercial relations between two operators of corresponding network.
The network selecting system generates and will be used to select the network selecting information that the road sends Media Stream by home cell 8.The routing strategy that the generation of network selecting information is provided with based on the operator by first network 1.This routing strategy be home cell 8 connect based on one group of standard.
Preferably, home cell 8 and network router can guarantee the desirable resource that is used for communication session.The New Deal carrier of this expansion by can be implemented as known label distribution protocol (LDP) is set up agreement and is realized.
Carrier is set up agreement and is preserved the information relevant with needed Internet resources to guarantee the integrality of single medium stream.Each LSR (LSR) must be used for needed Internet resources single medium stream to select suitable trunk line and reserve resource.Carrier is set up agreement and must be used between end points to set up carrier, and (SIP) controls as conversation initialized protocol.Hereinafter be to use carrier to set up the example of agreement.
When in the MPLS network, using Constraint-based Routing to select or using IPSEC, can change the size of trunk line.The capacity of trunk line is reduced to be lower than and currently should be rejected in the grade of using, because it will jeopardize the quality that is connected that is guaranteed.In Fig. 3, the load of trunk line 16 is 9.5M bps, and the capacity of trunk line must be able to not be reduced to and be lower than this grade.9.5M bps load be currency, subsequently, it can be lower than for example 4M bps, this moment trunk line capacity can be reduced to 4M bps.
In Fig. 3, home cell 8 is input and output LSRs.Use label distribution protocol and based on the foundation of the LSR of constraint, set up the trunk line between the home cell 8, in this example, the trunk line bandwidth that is guaranteed is 10M bps.When calling party 18 needed the video call of 1M bps bandwidth, the load of trunk line 16 was 9.5M bps between BE (2) and the BE (5).
Calling starts from using in video call SIP to control the initialization in path 6 between two participants 18 and 20.Invitation message from calling party 18 will be in the LDP preservation information that is used for the rule negotiation.Callee 20 uses OK 200 to reply, and comprises that in the LDP part necessary information is to finish the rule negotiation.In Fig. 3, select the road by network 5 and send session control.SIP or LDP comprise all information relevant with the Route Selection of data pay(useful) load.
Then, using carrier to set up agreement, to set up that the carrier that is used for the data pay(useful) load connects be Media Stream.Calling terminal 18 sends to first network 1 to finish calling with the desired services quality.The desired services quality can be appointed as the maximum cost of the service quality of desirable minimal level and every transmission megabit.Carrier is set up the agreement path that connects with pursuing link, must the assurance resource needed because go up at each LSR (LSR).For example, in output LSR BE (2), can not select trunk line 16, because the wide lazy weight of virgin tape is with the requirement in the satisfied path that connects from BE (2) to BE (5).BE (2) chooses the trunk line 14 of BE (4), is used for carrying media stream.Set up relevant carrier with connection and set up the operation of the operation of agreement corresponding to the conversation initialized protocol relevant with the foundation in session control path.
Should be understood that the strategy that is provided with according to operator automatically carry out compile, generation and communication network information.
Fig. 4 schematically illustrates the module of setting up according to network selecting of the present invention system.This network selecting system comprises four subsystems: network selector 22, network selecting information unit 24, business logic 26 and management system 28.
Operator is Provisioning Policy or use business logic 26 to generate strategy manually.
Network selecting information unit 24 generates special-purpose network selecting information.Network selecting information unit 24 can be visited the feature of different home cells 8, and generates the dedicated network selection information that is used for single home cell 8 according to individual features.Receive described network selecting information from network selector 22.
Receive the feature of different home cells 8 from management system 28.
Being used for that routing table is downloaded to the agreement of home cell 8 can be based on LDAP or XML.
Network selector 22 is according to the advertised information exchange network information, and generates network selecting information according to selection strategy.As has been described, on network selecting agreement ONSP, carry out the exchange of the network information.The generation of network selecting information and announcement is based on the strategy of operator.Receive strategy from business logic 26 or management system 28.The network selecting information that is generated is sent to network selecting information unit 24.
Network selector 22 has the data of the connection of the network selecting system that is used to remain to other.Exist security mechanism to guarantee only to connect the network selecting system of having authorized.
Network selector 22 is connected to the home cell 8 of carrying out network selecting.Home cell 8 is notified to network selector 22 with their performance.The performance of home cell 8 can use and management system 28 manually be set up.
Carry out the configuration of network selecting system by management system 28.
Operator must define the peer device of the network selecting system that is used to connect adjacent networks.
Operator must define and generate relevant parameter automatically with strategy.
Operator must define the feature of the Route Selection performance of home cell 8.
When adjacent networks when network enabled is selected, operator must define the territory that can arrive at by described adjacent networks.For the home cell 8 of not supporting ONSP-BE, operator must define territory and/or the Route Selection number of being supported.
Under the situation that does not have business logic 26, the operator of first network also must define the strategy that generates network selecting information and the network information is announced strategy to other operator.
When home cell 8 has been selected remote boarder element 8, use carrier to set up agreement (BEP) and send the request of foundation to remote boarder element 8.Whether can meet the requirements according to it, this request is accepted or refused to long-range boundary element 8.In case refusal, home cell 8 will be selected another remote boarder element.
Use network selecting agreement ONSP exchange network information between the network selecting system.The network selecting agreement is a propelling (push) agreement, promptly issues carry information in the situation that does not have information request.
When operator when using the network selecting system, operator only is necessary for the home cell 8 definition adjacent networks that are connected to adjacent networks, and is established to the peer device of the network selecting system of adjacent operator.To on peer device, receive as announcement by the accessibility all-network of this adjacent networks.
When having connection between the adjacent networks/Business agreement, operator must be defined in the tie point in his network.Between network, should not connect under the situation of physical interconnections having.
An important advantage of the present invention is that under the network environment of being made up of a plurality of networks that comprise network selecting of the present invention system operator receives link information from their adjacent networks, thereby needn't manually dispose home cell 8.
Use the automatic configuration of the routing table of first operator acquisition in home cell 8 of network selecting system.Current, manually define routing table by operator.The network selecting system must use the relevant knowledge by given home cell 8 accessible networks to dispose.Use the network information, network selecting information unit 24 can generate the dedicated network that is used for home cell 8 and select information.
If only an operator uses the network selecting system, then operator must manually be all accessible all-networks of home cell 8 definition.First operator must manage catenet, thereby benefits from this system.
If first operator has a plurality of networks in the world, operator will also have a plurality of territories probably.If the network selecting system of the not same area that operator can obtain to be connected, then operator has the automatic renewal in path and tie point in the world.It is that IP territory or PSTN territory are the unique restrictions to transmission that network connects.PSTN only supports 64K bps or voice with most probable.
Claims (6)
1. network selecting system, be used for from a plurality of networks select will with second network of first network service, wherein said first network have with a telecommunication network system in the independent sessions control channel (6) and the data pay(useful) load channel (7) of other network service, so that respectively communications of control data and load data, wherein said network selecting system is characterised in that:
Network selector (22), be used to store second network parameter values that sends sign second network of first network from second network to, described second network parameter values is based on the effective network transfer speeds of conduct, bandwidth, cell or packet loss, time delay, stand-by period, unsteadiness, the service quality of priority or fail safe, wherein said network selector is also stored and is characterized first network parameter values that first network sends second network to, and described first network parameter values is based on the effective network transfer speeds of conduct, bandwidth, cell or packet loss, time delay, stand-by period, unsteadiness, the service quality of priority or fail safe;
Business logic unit (26) is used to generate the network selecting strategy, and by described network selector visit;
Network selecting information bank (24), be used to use network selecting strategy that is generated and the network parameter of being stored to generate special-purpose selection information, this information is designated a particular network in described a plurality of networks and satisfies described second network that the service quality (QoS) relevant with described network selecting strategy requires.
2. the network selecting system of claim 1, also comprise first home cell (8) in described first network and second home cell of described second network, its feature is that also described first home cell selects information according to the special use that generated, and described data pay(useful) load is sent to described second home cell in described second network from described first network.
3. the network selecting system of claim 1, wherein said network parameter comprises available data transmission performance at least.
4. the network selecting system of claim 1, the advertisement policies of the wherein said first network based definition in business logic unit (26) sends described first network parameter to other network.
5. in the internetwork communication link, be used for selecting the method for one second network (2) from a plurality of networks, wherein a discrete session control channel (6) and data pay(useful) load channel (7) are adopted in the transmission of the load data between first network and described second network, wherein between described first network (1) and described second network (2), set up the internetwork communication link, it is characterized in that said method comprising the steps of:
Network selecting strategy of definition in described first network (1);
By the described first network based advertising strategy that in first network, defines, send the described first network of network parameter of sign to described a plurality of networks, described network parameter is based on the service quality as effective network transfer speeds, bandwidth, cell or packet loss, time delay, stand-by period, unsteadiness, priority or fail safe;
Receive and storage networking parameter (10) from a plurality of networks, described network parameter is based on the service quality as effective network transfer speeds, bandwidth, cell or packet loss, time delay, stand-by period, unsteadiness, priority or fail safe;
Network parameter (10) and the described network selecting strategy relevant according to storage with described first network (1), produce network selecting information (24), and select specific in a described a plurality of network conduct to meet described second network (2) that requires with described network selecting policy-related (noun); With
Send second network (2) of described data pay(useful) load from described first network (1) to described selection.
6. in the internetwork communication link, be used for selecting the method for one second network (2) from a plurality of networks, wherein a discrete session control channel (6) and data pay(useful) load channel (7) are adopted in the transmission of the load data between first network and described second network, wherein between described first network and described second network (2), set up the internetwork communication link, it is characterized in that said method comprising the steps of:
Network selecting strategy of definition in described first network (1);
By the described first network based advertising strategy that in first network, defines, send the described first network of network parameter of sign to described a plurality of networks, described network parameter is based on the service quality as effective network transfer speeds, bandwidth, cell or packet loss, time delay, stand-by period, unsteadiness, priority or fail safe;
Receive and storage networking parameter (10) from a plurality of networks, described network parameter is based on the service quality as effective network transfer speeds, bandwidth, cell or packet loss, time delay, stand-by period, unsteadiness, priority or fail safe;
According to parameter relevant and the described network selecting strategy relevant with described first network (1) with described a plurality of networks, produce network selecting information (24), and select specific in a described a plurality of network conduct to meet described second network (2) that requires with described network selecting policy-related (noun); With
Send second network (2) of described data pay(useful) load from described first network (1) to described selection, wherein said step from the described data pay(useful) load of described first network (1) transmission to described second network (2) further comprises, first home cell from described first network sends the step of second home cell (8) of described data pay(useful) load in described second network, and wherein said second home cell (8) is determined by described network selecting information;
Wherein, described first and second home cells are suitable for carrying out a carrying and set up agreement, be used to data pay(useful) load to set up a transmission path, thereby guarantee in the pay(useful) load transmission path, to exist specific data transmission capabilities with desired data transmittability.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02075041A EP1326380B1 (en) | 2002-01-08 | 2002-01-08 | Network selection for connectivity |
| EP02075041.0 | 2002-01-08 | ||
| US10/056,689 US7088681B2 (en) | 2002-01-08 | 2002-01-24 | Network selection for connectivity |
| US10/056,689 | 2002-01-24 |
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|---|---|
| CN1640064A CN1640064A (en) | 2005-07-13 |
| CN100409629C true CN100409629C (en) | 2008-08-06 |
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| CNB038055678A Expired - Fee Related CN100409629C (en) | 2002-01-08 | 2003-01-07 | Network selection for connectivity |
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| US8014389B2 (en) * | 2005-12-06 | 2011-09-06 | Lippershy Celestial Llc | Bidding network |
| JP4760531B2 (en) * | 2006-05-26 | 2011-08-31 | 日本電気株式会社 | Mobile communication system, radio base station control device, and operation control method |
| CN100471160C (en) | 2006-07-31 | 2009-03-18 | 华为技术有限公司 | Method and system for realizing consulting tactical information between different network |
| FI20075723L (en) * | 2007-10-12 | 2009-04-13 | Teliasonera Ab | Service cost optimization in open communication network |
| US8433278B2 (en) | 2007-10-31 | 2013-04-30 | Research In Motion Limited | System and method for selecting a message transport for a multi-mode communication device |
| CN103037417A (en) * | 2012-12-24 | 2013-04-10 | 北京邮电大学 | Multi-mode terminal capable of automatically choosing network mode and choose method |
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|---|---|---|---|---|
| US5732078A (en) * | 1996-01-16 | 1998-03-24 | Bell Communications Research, Inc. | On-demand guaranteed bandwidth service for internet access points using supplemental user-allocatable bandwidth network |
| WO2000076128A1 (en) * | 1999-06-02 | 2000-12-14 | Kun Yu | A system enabling a user to select information networks and a method thereof |
| CN1317209A (en) * | 1998-07-01 | 2001-10-10 | 艾利森电话股份有限公司 | Call routing data management |
| CN1320348A (en) * | 1999-08-11 | 2001-10-31 | 因纳尔普网络公司 | Method and a network node selectively transferring data to multiple networks |
-
2003
- 2003-01-07 WO PCT/IB2003/000017 patent/WO2003058886A1/en not_active Application Discontinuation
- 2003-01-07 AU AU2003235776A patent/AU2003235776A1/en not_active Abandoned
- 2003-01-07 CN CNB038055678A patent/CN100409629C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5732078A (en) * | 1996-01-16 | 1998-03-24 | Bell Communications Research, Inc. | On-demand guaranteed bandwidth service for internet access points using supplemental user-allocatable bandwidth network |
| CN1317209A (en) * | 1998-07-01 | 2001-10-10 | 艾利森电话股份有限公司 | Call routing data management |
| WO2000076128A1 (en) * | 1999-06-02 | 2000-12-14 | Kun Yu | A system enabling a user to select information networks and a method thereof |
| CN1320348A (en) * | 1999-08-11 | 2001-10-31 | 因纳尔普网络公司 | Method and a network node selectively transferring data to multiple networks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1640064A (en) | 2005-07-13 |
| WO2003058886A1 (en) | 2003-07-17 |
| AU2003235776A1 (en) | 2003-07-24 |
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