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WO2009146630A1 - 实现本地传输的方法、系统和设备 - Google Patents

实现本地传输的方法、系统和设备 Download PDF

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Publication number
WO2009146630A1
WO2009146630A1 PCT/CN2009/071954 CN2009071954W WO2009146630A1 WO 2009146630 A1 WO2009146630 A1 WO 2009146630A1 CN 2009071954 W CN2009071954 W CN 2009071954W WO 2009146630 A1 WO2009146630 A1 WO 2009146630A1
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WO
WIPO (PCT)
Prior art keywords
local transmission
access device
communication service
service data
local
Prior art date
Application number
PCT/CN2009/071954
Other languages
English (en)
French (fr)
Inventor
蒋铭
张萍
Original Assignee
华为技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2009146630A1 publication Critical patent/WO2009146630A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, system and device for implementing local transmission. Background technique
  • the next generation evolution goal of the mobile communication network is a flat Layer 2 network.
  • the access network only includes a layer of access nodes.
  • the core network includes an access side gateway, a service side gateway, and a mobile control node.
  • the user's voice and data services are transmitted in packets over the mobile network.
  • the AP increases the session control capability to implement direct connection of the mobile terminal, and is limited to only one access point.
  • AP Access Point
  • AG Access Gateway
  • Embodiments of the present invention provide a method, system, and device for implementing local transmission, which implement local transmission of communication service data in a general communication network.
  • the embodiment of the invention discloses a method for local transmission, which includes:
  • Receiving communication service data Determining whether the access device corresponding to the communication service data satisfies the condition of the local transmission; when the access device corresponding to the communication service data satisfies the local transmission condition, triggering the access device to perform local transmission.
  • the embodiment of the invention further discloses a device for local transmission, comprising:
  • Receiving unit configured to receive communication service data
  • a determining unit configured to determine, according to the communication service data received by the receiving unit, whether the access device corresponding to the communication service data satisfies a condition of local transmission
  • the processing unit is configured to: according to the result of the determining by the determining unit, if the access device corresponding to the communication service data satisfies the condition of the local transmission, triggering the access device corresponding to the communication service data to perform local transmission.
  • the embodiment of the invention also discloses a system for local transmission, comprising:
  • the first access device is configured to send the communication service data to the local transmission device, where the access device corresponding to the communication service data receiver is the second access device;
  • a local transmission device configured to receive communication service data sent by the first access device, determine whether the first access device and the second access device meet a condition of local transmission, when the first access When the device and the second access device meet the condition of the local transmission, triggering the first access device to perform local transmission;
  • the second access device receives local transmission data sent by the first access device, establishes a local transmission channel with the first access device, and performs data transmission through the channel.
  • the local transmission method, system, and device provided by the embodiment of the present invention determine whether the access device corresponding to the communication service data satisfies the condition of the local transmission, and triggers the access device to perform local transmission when the local transmission condition is met. Therefore, in the general communication network, the communication data is transmitted locally, which saves the equipment resources and transmission resources of the communication network, enhances the quality and reliability of the communication service transmission, and further improves the user satisfaction.
  • DRAWINGS 1 is a schematic structural diagram of a system for displaying data transmission in the prior art
  • FIG. 2 is a schematic flowchart of a local transmission method according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a local transmission device according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of another local transmission device according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a local transmission system according to an embodiment of the present invention
  • FIG. 6 is another schematic structural diagram of a local transmission system according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic diagram of a specific application scenario according to an embodiment of the present invention.
  • UE1 and UE2 are used as an example to establish a user plane connection through a normal call flow.
  • the data transmission path is:
  • Embodiments of the present invention disclose a method, device, and system for implementing local transmission of communication data in a general communication network.
  • the communication between UE1 and UE2 is taken as an example in the structure shown in FIG. 1.
  • the IP represents the IP address of the API
  • the IP (AP2) represents the IP address of the AP2
  • UE1 indicates the IP address of the current communication service allocated by the Packet Data Network Gateway (PDN-GW) for the UE1
  • the IP (UE2)-1 indicates the IP address of the current communication service allocated by the PDN-GW to the UE2
  • TEID (API) indicates the tunnel identifier of the corresponding UE1 allocated by the API for this communication.
  • the TEID (AG)-1 indicates the tunnel identifier of the corresponding UE1 allocated by the AG; and the TEID (AP2) indicates the corresponding assignment of the AP2 to the current communication.
  • the tunnel identifier of UE2, TEID (AG)-2 indicates the tunnel identifier corresponding to UE2 allocated by the AG.
  • the AP refers to an access node in a mobile communication network
  • the AG is an access gateway in the core network responsible for access-side aggregation
  • the PDN-GW refers to a data gateway in which a core network is deployed to a service network
  • the present invention is not limited to these networks or devices; other networks or system standards, such as UMTS, CDMA, LTE, Wimax, etc., may implement the present invention, and are not described herein.
  • FIG. 2 is a flowchart of a method for local transmission according to an embodiment of the present invention, which includes the following steps:
  • Step 102 Receive communication service data, and determine whether an access device corresponding to the communication service data satisfies a condition of local transmission;
  • the AG receives the data packet sent by the API, and the data packet is the communication service data that the UE1 sends to the UE2.
  • the communication service data may be in various forms of data for communication, such as communication related data such as voice and video.
  • the embodiment of the present invention does not limit the form of communication service data.
  • the AG searches for the IP according to the destination address IP (UE2) of the data packet.
  • UE2 destination address IP
  • UE2 Address matching corresponding UE2 packet data protocol (PDP, Packte Data
  • the Context determines whether the UE 2 subscribes to the local transmission according to the PDP context corresponding to the UE2.
  • the PDP context for each call is saved on the AG.
  • the PDP context corresponding to the UE1 and the PDP context corresponding to the UE2 are saved on the AG, and the PDP context corresponding to the UE1 may include IP (UE1), AP1 to which UE1 belongs, TEID (AG)_1, TEID (API), and local subscription to the UE1
  • the PDP context corresponding to the UE2 may include: an IP (UE2), an AP2 to which the UE2 belongs, a TEID (AG)-2, a TEID (AP2), and information about the UE2 signing a local transmission function.
  • the UE After the UE finds the PDP context corresponding to the UE2, it determines whether the information of the UE2 subscription local transmission function is included, and if the judgment result is that the UE2 has subscribed to the local transmission function, the UE1 is determined by the same method. Whether the local transmission function is subscribed, and after the UE1 and the UE2 have signed the local transmission function, the AP2 information is further extracted from the PDP context and compared with the API:
  • the API and the AP2 are the same, that is, the API and the AP2 are the same AP, the UE1 and the UE2 are under the same AP and have local transmission conditions.
  • the AG searches the local transmission relationship table to determine whether there is a local transmission condition between the API and the AP2; the local transmission relationship table is previously saved in the AG device. The content of the local transmission condition is recorded between different APs.
  • the present invention does not limit the local transmission relationship table to be saved in the AG device.
  • the local transmission relationship table may be obtained by other means.
  • the AG device may also obtain the other device (such as a network management device). Local transfer relationship table.
  • the above conditions for determining whether the corresponding access device meets the local transmission are two: one is to determine whether the user of the two communication parties subscribes to the local transmission function, and the other is to determine whether the access device can be locally transmitted, and the embodiment of the present invention does not limit the judgment.
  • the order of precedence is not limited to the two conditions that must be met.
  • the method may be implemented in other manners.
  • the user corresponding to the communication service may not be determined whether to subscribe to the local transmission function.
  • the AG determines that the access device to which the user belongs to has a local transmission condition, for example, When it is judged that the API and AP2 satisfy the local transmission condition, it is determined that the condition of the local transmission is available.
  • Step 104 If the result of the determining is that the local transmission condition is met, the access device that triggers the communication service data is locally transmitted.
  • the AG determines that the local transmission condition between the API and the AP2 is established, and the AG triggers the API to perform local transmission.
  • a local transmission request message may be sent to the API, where key information such as IP (AP2), TEID is carried.
  • the API After receiving the local transmission request message, the API changes the "peer tunnel identifier" in the PDP context corresponding to UE1 to TEID (AP2). After the modification is completed, the local transmission response success message is returned to the AG.
  • the communication service data sent from the UE1 can be locally transmitted to the UE2, that is, the data is transmitted through UE1_>AP1_>AP2->UE2.
  • the AG device determines whether the access device corresponding to the received communication service data satisfies the condition of the local transmission, and if the determination result is yes, triggers the sender access device corresponding to the communication service data.
  • Local transmission enables communication data to be transmitted locally in a general communication network, which saves equipment resources and transmission resources of the communication network, enhances the quality and reliability of communication service transmission, and further improves user satisfaction. .
  • the current charging mode may be identified as local transmission charging in the PDP context corresponding to the UE1.
  • the charging method is set by the user according to a specific situation in a specific application, for example, it can be charged in a monthly subscription manner, and is not charged by traffic or actual usage time.
  • the accuracy of the operator's charging for the user communication service can be improved, and the user's satisfaction with the reception of various communication services is enhanced, and the competitiveness of the operator is improved.
  • the foregoing method is only a process in which UE1 to UE2 implement local transmission, that is, a unidirectional data implementation process of UE1_>AP1_>AP2_>UE2; when UE2 needs to send data to UE1, reference may also be made to the above.
  • the process of implementing the local transmission of the UE1 to the UE2 is implemented in the same manner, and is only a corresponding adjustment of the related main body and parameters, and details are not described herein again.
  • the above embodiment can also support the diversity of terminal communication services. That can achieve AP
  • the non-local communication service is also allowed to perform normally, that is, the non-local service can still be forwarded through the AP, the AG, and the PDN-GW, and there is no interference with the local transmission communication service.
  • the terminal has two communication services simultaneously, for example, UE2 has one call or data communication service transmitted locally, and the other is third data transmitted to the external network through AP2, AG, and PDN-GW.
  • UE2 can ensure the normal operation of the third data service of another communication service while realizing the local transmission.
  • IP (UE2)_1 and IP (UE2)-2 which identify the IP address of the additional service allocated by the PDN-GW to the UE2; there are three PDPs on the AG.
  • IP UE2
  • AP2 to which UE2 belongs
  • tunnel identifier TEID AG
  • information of UE2 signing local transmission function and information of UE2 signing local transmission function is in the In the context, it is optional, that is, the information of the UE2 subscription local transmission function may not be included in the context.
  • the TEID (AG) indicates the local tunnel identifier allocated by the AG.
  • the TEID indicates that the AG allocates the tunnel identifier of the second service address IP (UE2)-2 of the UE2, although the PDP context records UE2 has signed the local transmission function, but because the peer communication service is not in the local network and does not meet the local transmission conditions, local transmission is not performed.
  • the local transmission is automatically removed as the PDP context is deleted.
  • the AG can also notify the API and AP2 to dismantle the local transmission at any time according to other needs, and redirect the tunnel end to the AG itself.
  • the message used is the same as the handover process, that is, the AG sends the local transmission termination to the AP and the AP responds to the AG with the local transmission termination acknowledgement, and details are not described herein again.
  • the manner of implementing the local transmission does not limit whether the user who performs communication has a location migration; whether the user who performs the communication satisfies the local transmission condition or is in the local transmission, as long as the user still meets the local migration after the migration Conditions can be implemented in the manner described in the above embodiments.
  • the AG when the UE1 moves across the AP and moves from the API to the AP3, the AG first notifies the AP2 to point the data tunnel corresponding to the UE2 to itself. The method is to send a local transmission termination message to the AP2, where the IP is carried. AG), TEID (AG) I. 1, local transmission Termination indication; AP2 resets the peer identifier of the PDP context to TEID (AG)-1, and then returns a local transmission termination acknowledgement message to the AG.
  • the AP device directly determines whether the switched access device satisfies the condition of the local transmission, and if the judgment result is satisfied, the local transmission is performed directly, and the embodiment of the present invention does not limit the specific implementation. the way.
  • the API sends the data packet previously received from the AP2 and forwarded to the user to the AP3 through the handover data forwarding message to ensure that the uplink and downlink communication service data is not lost; After that, the communication service between the UE1 and the UE2 can be forwarded in the normal forwarding mode.
  • the AG can trigger the AP3 again when receiving the uplink data packet of the UE1 or the UE2. Establish a one-way or two-way local transport connection with AP2.
  • the process is the same as the local transmission process between the API and the AP2 in the foregoing embodiment, and details are not described herein.
  • the AG can modify the charging mode in the PDP context to be normal charging, and the charging mode operator can perform different settings according to the situation.
  • the foregoing embodiment can ensure that the user can still implement local transmission after the migration meets the conditions of the local transmission, further saving the device resources and transmission resources of the communication network, and enhancing the quality and reliability of the communication service transmission, and In turn, the user's satisfaction is improved.
  • the foregoing method includes the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • FIG. 3 is a schematic structural diagram of a local transmission device 200 according to an embodiment of the present invention, including:
  • Receiving unit 202 configured to receive communication service data
  • the communication service data is in various forms of data for communication, such as data related to communication such as voice and video.
  • the embodiment of the present invention does not limit the form of service data.
  • the determining unit 204 is configured to determine, according to the communication service data received by the receiving unit 202, whether the access device corresponding to the communication service data satisfies a condition of local transmission;
  • the local transmission relationship table may be further determined according to the locally saved local transmission relationship table, and the local transmission relationship table records whether there is a local transmission condition between different access devices. Content.
  • the local transmission relationship table can also be obtained from other devices (such as network management, etc.), and the inventor embodiment does not limit its specific storage location.
  • the local transmission relationship table records that the access device satisfies the condition of local transmission, it may be determined that the access device corresponding to the communication service data satisfies the condition of local transmission, and the local transmission relationship table may be from a local or other device (such as network management)
  • the above judgment condition is one, and of course, other conditions may be added, and when these conditions are satisfied, it is judged that the condition of the local transmission is satisfied.
  • the purpose included in the communication service data is one, and of course, other conditions may be added, and when these conditions are satisfied, it is judged that the condition of the local transmission is satisfied.
  • An IP address searching for a destination PDP context corresponding to the destination IP address, and searching, from the PDP context, whether a user of the communication service subscribes to a local transmission function, and only if the user subscribes to a local transmission function, and the communication parties
  • the access device also satisfies the condition of the local transmission, it is determined that the access device corresponding to the communication service data satisfies the condition of the local transmission.
  • the processing unit 206 processing according to the result of the determining by the determining unit 204, if the access device corresponding to the communication service data satisfies the condition of local transmission, triggering the access device to perform local transmission.
  • the IP address, the tunnel identifier, and the local transmission enable indication of the access device to which the communication service destination party belongs are sent to the initiator of the communication service data.
  • the information is triggered to trigger the communication service data for local transmission; the information such as the tunnel identifier is used by the initiator to change the corresponding tunnel identifier to implement local transmission.
  • the local transmission device may also have the function of terminating the local transmission, and accordingly, the processing unit 206 may be further configured to send a local transmission termination message to the access device, where the local transmission termination message carries the tunnel identifier of the opposite end;
  • the receiving module 202 is further configured to receive a local transmission termination acknowledgement message sent by the access device.
  • the local transmission device triggers the access device corresponding to the initiator of the communication service to perform local transmission according to the result of determining whether the access device corresponding to the data of the received service meets the condition of the local transmission, and can be used in a universal manner.
  • the communication network that is, in the case of the access device, the communication data is transmitted locally, which saves the device resources and transmission resources of the communication network, enhances the quality and reliability of the service transmission, and further improves the user satisfaction. .
  • FIG. 4 is a schematic structural diagram of another implementation manner of implementing a local transmission device according to an embodiment of the present invention.
  • the embodiment further includes:
  • the first determining unit 2041 is configured to determine whether the access device corresponding to the sender and the receiver of the communication service is the same access device, or determine the access corresponding to the communication service data by searching a record of the local transmission relationship table. Whether the device meets the local transmission condition, the local transmission relationship table records whether the conditions of the local transmission are met between different access devices; the local transmission relationship table may be obtained from a local device or other device (such as a network management device);
  • the second determining unit 2042 is configured to determine whether the sender and the receiver corresponding to the communication service have subscribed to the local transmission function, and the local transmission function that is subscribed by the user may be obtained from the PDP context. description of.
  • the charging triggering unit 208 is configured to: after the processing unit 206 triggers the success, trigger the charging device in the network to perform charging according to the charging mode of the local transmission, where the charging mode is in a specific application, by the user. It can be set according to specific conditions, for example, it can be billed in a monthly manner, and not in terms of traffic or actual usage time.
  • the accuracy of the operator's charging for the user service can be improved, and the user's satisfaction with the receiving of various communication services is enhanced, and the competitiveness of the operator is improved.
  • FIG. 5 is a schematic structural diagram of a local transmission system according to an embodiment of the present invention, including:
  • the first access device 302 is configured to send the communication service data to the local transmission device 304.
  • the local transmission device 304 is configured to receive the communication service data sent by the first access device 302, and determine the corresponding to the communication service data. Whether the access device 302 and the second access device 306 satisfy the condition of the local transmission, and when the first access device 302 and the second access device 306 corresponding to the communication service data satisfy the condition of the local transmission, trigger the The first access device 302 performs local transmission;
  • the second access device 306 receives local transmission data sent by the first access device, establishes a local transmission channel with the first access device, and performs data transmission through the channel.
  • the local transmission device 304 may also be configured to send a local transmission termination message to the first access device 302 or the second access device 306.
  • the local transmission termination message carries the tunnel identifier of the peer end, and receives the local transmission termination acknowledgement message sent by the first access device 302 or the second access device 306;
  • the first access device 302 or the second access device 306 may be further configured to receive a local transmission termination message, and update the locally saved packet data protocol context according to the tunnel identifier of the peer end carried by the local transmission termination message, to the local transmission device 304.
  • the local transmission termination confirmation message is sent.
  • FIG. 6 is a schematic structural diagram of another embodiment of a local transmission system according to an embodiment of the present invention.
  • the local transmission device 304 specifically includes:
  • the receiving unit 3041 is configured to receive the communication service data of the first access device 302.
  • the determining unit 3042 is configured to determine, according to the communication service data received by the receiving unit 3041, the first corresponding to the communication service data. Whether an access device 302 and the second access device 306 satisfy a condition of local transmission;
  • the processing unit 3043 processing according to the result of the determining by the determining unit 3042, if the first access device 302 and the second access device 306 satisfy the condition of local transmission, triggering the first An access device 302 performs local transmission.
  • the processing unit 3043 sends, to the first access, the tunnel identifier that is allocated by the second access device 306 for the current communication, the IP address of the second access device 306, and the local transmission enable indication.
  • the device 302 is configured to establish, by the first party access device 302, a local transmission.
  • the determining unit 3042 may further include:
  • the first determining unit 30421 is configured to determine whether the first access device 302 and the second access device 306 are the same access device, or determine the first access device 302 by searching a record of the local transmission relationship table. Whether the second access device 306 satisfies the local transmission condition, and the local transmission relationship table records whether the conditions of the local transmission are met between different access devices; the local transmission relationship table may be obtained from a local or other device (such as a network management system). ;
  • the second determining unit 30422 is configured to determine whether the sender and the receiver of the communication service data have subscribed to the local transmission function.
  • the local transmission function of the user subscription may be obtained from the PDP context. description of.
  • the local transmission device 304 determines whether the condition of the local transmission is satisfied between the first access device 302 and the second access device 306, and when the determination result is satisfied, the first is triggered.
  • the access device 302 performs local transmission, so that the communication data can be directly transmitted to the second access device 306 through the local communication in the general communication network, that is, without changing the access device, thereby saving the device resources of the communication network and Transmission resources enhance the quality and reliability of service transmission and, in turn, increase user satisfaction.
  • the local transmission device 304 may further include a charging triggering unit 3044, configured to trigger the charging device in the network to perform charging according to a locally transmitted charging mode after the processing unit successfully triggers, where the charging mode is
  • the user sets the content according to a specific situation, for example, it can be charged in a monthly subscription manner, and is not charged by traffic or actual usage time.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Description

实现本地传输的方法、 系统和设备 技术领域
本发明涉及通信领域, 特别涉及一种实现本地传输的方法、 系统和设 备。 背景技术
移动通讯网络的下一代演进目标是扁平化的二层网络, 接入网只包含一 层接入节点, 核心网包含接入侧网关、 业务侧网关和移动控制节点。 用户的 语音和数据业务都以分组的方式通过移动网络传输。
分组数据传输的控制必须经过核心网网关来进行, 随着移动宽带化发 展, 大量的数据传输将发生在相同的接入网内部。 在目前的移动业务控制机 制下, 这些数据流需从接入网上行到核心网, 传输后再返回接入网。 不仅浪 费了大量核心网设备资源和传输资源, 而且拉长了业务路径, 影响了业务质 量、 可靠性和用户感受。
发明人在对现有技术的研究中发现, 现有技术中解决上述问题是通过给
AP增加会话控制能力实现移动终端的直连, 并且只限定在一个接入点
(AP, Access Point) 内部。 但是在现有的通用移动网络中, AP只负责无线 接入, 会话控制是在接入网关 (AG, Access Gateway) 完成, 使得这种直 连方案不能适用于通用的通信网络。 发明内容
本发明实施例提供一种实现本地传输的方法、 系统和设备, 实现在通用 的通信网络中, 通信业务数据的本地传输。
本发明实施例公开了一种本地传输的方法, 包括:
接收通信业务数据; 判断所述通信业务数据对应的接入设备是否满足本地传输的条件; 当所述通信业务数据对应的接入设备满足本地传输条件时, 触发所述接 入设备进行本地传输。
本发明实施例还公开了一种本地传输的设备, 包括:
接收单元: 用于接收通信业务数据;
判断单元: 用于根据所述接收单元接收到的通信业务数据, 判断所述通 信业务数据对应的接入设备是否满足本地传输的条件;
处理单元: 根据所述判断单元判断的结果进行处理, 如果所述通信业 务数据对应的接入设备满足本地传输的条件, 则触发所述通信业务数据对应 的接入设备进行本地传输。
本发明实施例还公开了一种本地传输的系统, 包括:
第一接入设备: 用于向本地传输设备发送通信业务数据, 所述通信业务 数据接收方对应的接入设备是第二接入设备;
本地传输设备: 用于接收所述第一接入设备发送的通信业务数据, 判断 所述第一接入设备和所述第二接入设备是否满足本地传输的条件, 当所述第 一接入设备和所述第二接入设备满足本地传输的条件时, 触发所述第一接入 设备进行本地传输;
第二接入设备: 接收所述第一接入设备发送的本地传输数据, 与所述第 一接入设备建立本地传输通道, 并通过该通道进行数据传输。
通过本发明实施例提供的本地传输的方法、 系统和设备, 通过判断通信 业务数据对应的接入设备是否满足本地传输的条件, 在满足本地传输条件 时, 触发所述接入设备进行本地传输, 从而实现在通用的通信网络中, 通信 数据通过本地进行传输, 节约了通信网络的设备资源和传输资源, 增强了通 信业务传输的质量和可靠性, 并进而提高了用户的满意度。 附图说明 图 1为现有技术中显现数据传输的系统结构示意图;
图 2为本发明实施例关于一种本地传输方法的流程示意图;
图 3为本发明实施例关于一种本地传输设备的结构示意图;
图 4为本发明实施例关于一种本地传输设备的另一结构示意图; 图 5为本发明实施例关于一种本地传输系统的结构示意图;
图 6为本发明实施例关于一种本地传输系统的另一结构示意图。 具体实施方式
参考图 1, 图 1为本发明实施例具体应用场景示意图。
根据图中所示, 以两个用户 (UE, User Equipment) : UEl禾 Π UE2为 例进行说明, 其通过正常的呼叫流程建立用户面连接, 数据传输路径为:
UE1 <_> API <_> AG<-> PDN-GW <_> AG <_> AP2 <_> 由于通信数据要通过 PDN— GW、 AG等核心网设备, 增加了这些设备 的负荷; 现有技术要求 AP具有会话控制能力, 才能实现 API与 AP2之间 建立本地连接, 对现网设备改动较大, 不具有通用性。
本发明实施例公开了一种在通用的通信网络中, 实现通信数据本地传输 的方法、 设备和系统。
本发明实施例以图 1所示的结构, 以 UE1和 UE2之间进行的通信为例 进行说明; 其中以 IP (API ) 表示 API的 IP地址, IP (AP2) 表示 AP2的 IP地址; IP (UEl ) 表示分组数据网关 (Packet Data Network Gateway, PDN-GW) 为 UEl分配的本次通信业务的 IP地址, IP (UE2) 一 1表示 PDN-GW为 UE2分配的本次通信业务的 IP地址; TEID (API ) 表示 API 为本次通信分配的对应 UEl的隧道标识, TEID (AG) 一 1表示 AG分配 的、 对应 UE1的隧道标识; TEID (AP2) 表示 AP2为本次通信分配的对应 UE2的隧道标识, TEID (AG) 一 2表示 AG分配的、 对应 UE2的隧道标 识。
上述举例只是实现本发明实施例的一种情况, 不代表本发明实施仅适用 于这一种实现方式, 凡是满足本实施例条件的其它变型都属于本发明实施例 的范围。 例如所述的 AP是指移动通信网络中的接入节点, 所述的 AG是核 心网中负责接入侧汇聚的接入网关, PDN-GW是指核心网面向业务网络汇 聚的数据网关, 但本发明不限定这些网络或设备; 其它的网络或系统制式, 如 UMTS、 CDMA, LTE、 Wimax等, 都可以实现本发明, 在此不做赘 述。
参考图 2, 图 2为本发明实施例一种本地传输的方法流程图, 包括如下 歩骤:
歩骤 102: 接收通信业务数据, 判断所述通信业务数据对应的接入设备 是否满足本地传输的条件;
以上述给出的具体实例进行说明, 例如, AG接收到 API发送的数据 包, 所述数据包是 UE1向 UE2发送的通信业务数据, 当然, 在 UE1向所述 UE2发送数据包之前, 会有所述 UE1与所述 UE2的业务连接过程, 所述业 务连接过程与现有技术相同, 在此不再赘述。 所述通信业务数据可以是进行 通信的数据的各种形式, 如进行语音、 视频等通信相关的数据, 本发明实施 例不限定通信业务数据的形式。
所述 AG根据所述数据包的目的地址 IP (UE2) , 查找与所述 IP
(UE2) 地址匹配的对应 UE2的分组数据协议 (PDP, Packte Data
Protocol) 上下文, 根据所述 UE2对应的 PDP上下文判断所述 UE2是否签 约本地传输。 需要说明的是, AG上会保存进行每次呼叫的 PDP上下文, 例 如, 本发明实施例中, AG上保存有 UE1对应的 PDP上下文和 UE2对应的 PDP上下文, 所述 UE1对应的 PDP上下文可以包括 IP (UE1 ) 、 UE1归属 的 AP1、 TEID (AG) _ 1、 TEID (API ) , 以及关于所述 UE1签约本地传 输功能等信息; 所述 UE2对应的 PDP上下文中可以包括: IP (UE2) 、 UE2归属的 AP2、 TEID (AG) —2、 TEID (AP2) , 以及关于所述 UE2签 约本地传输功能等信息。
所述 AG查找到所述 UE2对应的 PDP上下文后, 判断其中是否含有 "UE2签约本地传输功能"的信息, 如果判断结果为所述 UE2签约了本地传 输功能, 再通过同样的方法判断所述 UE1是否签约了本地传输功能, 当所 述 UE1和所述 UE2都签约了本地传输功能后, 再进一歩从所述 PDP上下文 中提取 AP2信息, 与 API进行比较:
如果 API和 AP2相同, 即 API和 AP2是同一个 AP, 说明所述 UE1和 所述 UE2处于同一个 AP之下, 具备本地传输条件;
如果 API和 AP2不同, g卩 API和 AP2是不同 AP, 则所述 AG查找本 地传输关系表, 判断 API和 AP2之间是否具备本地传输条件; 所述本地传 输关系表是事先保存在 AG设备中的, 其中记录有不同 AP之间是否存在本 地传输条件的内容。 当然, 本发明并不限定所述本地传输关系表必须保存在 AG设备中, 在具体实现时, 还可以通过其它方式获取本地传输关系表, 例 如 AG设备还可以从其它设备 (如网管等) 获取本地传输关系表。
上述判断对应的接入设备是否满足本地传输的条件是两个: 一个是判断 通信双方的用户是否签约本地传输功能, 另一个是判断接入设备是否能够本 地传输, 本发明实施例不限定其判断的先后顺序, 也不限定其必须满足这两 个条件。 具体实现时, 还可以通过其它方式实现, 例如, 可以不判断所述通 信业务对应的用户是否签约本地传输功能, 在 AG判断某次呼叫的用户所属 的接入设备具备本地传输的条件时, 例如仅仅判断 API和 AP2满足本地传 输条件时, 即判定具备本地传输的条件。
歩骤 104: 如果所述判断的结果是满足本地传输条件, 则触发所述通信 业务数据的接入设备进行本地传输。 例如, 当上述举例中, 所述 AG判断所述 API和所述 AP2之间本地传 输条件成立, 则所述 AG触发所述 API进行本地传输。 例如, 可以向所述 API发送本地传输请求消息, 其中携带关键信息如 IP (AP2) 、 TEID
(AP2) 、 本地传输启用指示等。
所述 API收到所述本地传输请求消息后, 将 UE1对应的 PDP上下文中 的"对端隧道标识"修改为 TEID (AP2) ·' 修改完成后向 AG返回本地传输 响应成功消息。
所述 AG返回本地传输响应成功后, 从 UE1发送的通信业务数据就可 通过本地传递到 UE2, 即通过 UE1 _>AP1 _>AP2— >UE2传递数据。
上述实施中, 通过 AG设备判断接收的通信业务数据所对应的接入设备 是否满足本地传输的条件, 并在判断结果为是的情况下, 通过触发所述通信 业务数据对应的发送方接入设备进行本地传输, 能够实现在通用的通信网络 中, 通信数据通过本地进行传输, 节约了通信网络的设备资源和传输资源, 增强了通信业务传输的质量和可靠性, 并进而提高了用户的满意度。
进一歩, 当所述 AG收到所述 API的成功响应后, 可以在所述 UE1对 应的 PDP上下文中标识当前的计费方式为本地传输计费。 所述计费方式是 在具体应用中, 由使用者根据具体情况进行设定, 例如可以包月等方式计 费, 而不以流量或实际使用时间计费等。
通过上述计费方式的实现, 可以进一歩提高运营商对用户通信业务计费 的精确度, 也有利于用户对各类通信业务接收的满意度, 提高运营商的竞争 力。
需要说明的是, 上述方法过程仅仅是 UE1到 UE2实现本地传输的过 程, 即 UE1 _>AP1 _>AP2_>UE2的单向数据实现过程; 当 UE2需要将数 据发往 UE1时, 也可以参考上述实现 UE1到 UE2本地传输的过程来实现, 其方式相同, 仅仅是对相关主体和参数的相应调整, 在此不再赘述。
同时, 上述实施例还可以支持终端通信业务的多样性。 即可以实现 AP 在对本地传输通信业务进行转发时, 还允许非本地通信业务的正常进行, 即 非本地业务仍可以通过 AP、 AG和 PDN-GW转发, 且与本地传输通信业务之 间没有干扰。
例如上述实施例中, 假设终端有两个通信业务同时进行, 如 UE2有一个 是通过本地传输的通话或数据通信业务, 另一个是经过 AP2、 AG和 PDN- GW传输到外网的第三数据业务时, UE2可以在实现本地传输的同时, 保证 另一种通信业务第三数据业务的正常进行。 此时需要有两个通信业务地址 IP (UE2 ) _ 1和 IP (UE2 ) -2 , 所述 IP (UE2) _2标识 PDN-GW为 UE2分配 的另外业务的 IP地址; AG上相应有三个 PDP上下文, 其中第三个上下文的 主要参数是: IP (UE2) 一 2、 UE2归属的 AP2、 隧道标识 TEID (AG) 以及 UE2签约本地传输功能的信息, 所述 UE2签约本地传输功能的信息在所述上 下文中是可选项, 即所述上下文中也可以不包含所述 UE2签约本地传输功能 的信息。 其中, TEID (AG) 表示 AG分配的本端隧道标识, 具体地说, TEID (AG) 表示 AG为 UE2的第二个业务地址 IP (UE2) -2分配的隧道标 识, 该 PDP上下文中虽然记录有 UE2签约了本地传输功能, 但因为对端通信 业务不在本网内, 不符合本地传输条件, 所以不进行本地传输。
进一歩, 如果 UE1和 UE2之间的通信业务停止, 本地传输随着 PDP上下 文的删除而自动拆除。 AG还可以根据其它需要, 随时通知 API和 AP2拆除本 地传输, 将隧道端重新指向 AG自己。 所用的消息与切换过程相同, 即 AG向 AP发送本地传输终止和 AP向 AG回应本地传输终止确认, 在此不再赘述。
本发明实施例中, 实现本地传输的方式并不限定进行通信的用户是否发 生位置迁移; 无论进行通信的用户是否满足本地传输条件或是否正处于本地 传输中, 只要用户迁移后仍满足本地迁移的条件, 均可根据上述实施例描述 的方式实现。 例如上述实施例中, 当 UE1发生跨 AP移动, 从 API移动到 AP3 时, 则 AG先通知 AP2将对应 UE2的数据隧道指向自己, 方法是向 AP2发送一 条本地传输终止的消息, 其中携带 IP (AG) 、 TEID (AG) 一 1、 本地传输 终止指示; AP2将该 PDP上下文的对端标识重新置为 TEID (AG) 一 1, 然后 向 AG返回本地传输终止确认消息。
当然, 在具体实现时, 当 AP3和 API完成切换后直接判断切换后的接入设备 是否满足本地传输的条件, 当判断结果为满足后直接进行本地传输, 本发明 实施例不限定其具体的实现方式。 当 AG控制 API和 AP3完成正常的切换流 程, API将先前从 AP2收到的还未来得及转发给用户的数据包通过切换数据 转发消息发送给 AP3 , 以保证上下行通信业务数据不会丢失; 切换之后, UE1和 UE2之间的通信业务传输可按正常的转发方式转发, 当 AP3与 AP2之 间仍然存在本地传输条件, 那么 AG可以在收到 UE1或 UE2的上行数据包 时, 再次触发在 AP3与 AP2之间建立单向或双向的本地传输连接。 其过程与 上述实施例中 API与 AP2间的本地传输过程完全相同, 不再赘述。 当然, AG 收到确认后, 可以修改 PDP上下文中的计费方式为正常计费, 其计费方式运 营商可以根据情况进行不同的设定。
上述实施例可以保证用户在发生迁移后, 在满足本地传输的条件时, 仍 然能够实现本地传输, 进一歩节约了通信网络的设备资源和传输资源, 增强 了通信业务传输的质量和可靠性, 并进而提高了用户的满意度。
本领域普通技术人员可以理解: 实现上述方法实施例的全部或部分歩骤 可以通过程序指令相关的硬件来完成, 前述的程序可以存储于计算机可读取 存储介质中, 该程序在执行时, 执行包括上述方法实施例的歩骤; 而前述的 存储介质包括: ROM、 RAM, 磁碟或者光盘等各种可以存储程序代码的介 质。
参考图 3, 图 3为本发明实施例一种实现本地传输设备 200的结构示意 图, 包括:
接收单元 202: 用于接收通信业务数据;
所述通信业务数据是进行通信的数据的各种形式, 如进行语音、 视频等 通信相关的数据, 本发明实施例不限定业务数据的形式。 判断单元 204: 用于根据所述接收单元 202接收到的通信业务数据, 判断 所述通信业务数据对应的接入设备是否满足本地传输的条件;
例如, 根据所述接收单元 202接收到的通信业务数据, 判断所述通信双 方所述的接入设备是否相同, 如果相同, 则说明满足本地传输的条件。 如果 所述接入设备不相同, 则可进一歩根据本地保存的本地传输关系表判断其是 否满足本地传输的条件, 所述本地传输关系表记录了在不同接入设备之间是 否存在本地传输条件的内容。 当然, 本地传输关系表还可以从其它设备 (如 网管等) 获取, 本发明人实施例不限定其具体的存放位置。 如果本地传输关 系表记录有所述接入设备满足本地传输的条件, 即可判定所述通信业务数据 对应的接入设备满足本地传输的条件, 所述本地传输关系表可以从本地或其 它设备 (如网管) 获取;
上述判断的条件是一个, 当然还可以附加其它条件, 当这些条件都满足 时, 才判定满足本地传输的条件。 例如根据所述通信业务数据中包含的目的
IP地址, 查找所述目的 IP地址对应的目的 PDP上下文, 从所述 PDP上下文 中, 查找所述通信业务的用户是否签约了本地传输功能, 只有在所述用户签 约了本地传输功能, 并且通信双方的接入设备也满足本地传输的条件时, 才 判定所述通信业务数据对应的接入设备满足本地传输的条件。
处理单元 206: 根据所述判断单元 204判断的结果进行处理, 如果所述通 信业务数据对应的接入设备满足本地传输的条件, 则触发所述接入设备进行 本地传输。
当所述业务数据对应的接入设备满足本地传输的条件时, 通过向所述 通信业务数据的发起方发送所述通信业务目的方所归属接入设备的 IP地 址、 隧道标识、 本地传输启用指示等信息, 触发所述通信业务数据进行本地 传输; 所述隧道标识等信息用于所述发起方更改相应的隧道标识, 实现本地 传输。 由于在实现中, 本地传输设备还可以具有终止本地传输的功能, 因此, 相应地, 处理单元 206还可以用于向接入设备发送本地传输终止消息, 该本 地传输终止消息携带对端的隧道标识;
接收模块 202还可以用于接收所述接入设备发送的本地传输终止确认消 息。
本发明实施例提供的实现本地传输设备, 根据判断接收业务的数据所对 应的接入设备是否满足本地传输的条件的结果, 触发通信业务发起方对应的 接入设备进行本地传输, 能够在通用的通信网络中, 即在接入设备的情况 下, 使得通信数据通过本地进行传输, 节约了通信网络的设备资源和传输资 源, 增强了业务传输的质量和可靠性, 并进而提高了用户的满意度。
参考图 4, 图 4为本发明实施例提供的实现本地传输设备另一实施方式 结构示意图, 本实施例在图 3所示的结构基础上还包括:
第一判断单元 2041 : 用于判断所述通信业务发送方和接收方对应的接 入设备是否是同一接入设备; 或通过查找本地传输关系表的记录, 判断所述 通信业务数据对应的接入设备是否满足本地传输条件, 所述本地传输关系表 记录不同接入设备之间是否满足本地传输的条件; 所述本地传输关系表可以 从本地或其它设备 (如网管) 获取;
第二判断单元 2042: 用于判断所述通信业务对应的发送方和接收方是否 签约了本地传输功能, 所述用户签约的本地传输功能可以从 PDP上下文中获 取, 具体可参考上述方法实施例中的描述。
计费触发单元 208, 用于在所述处理单元 206触发成功后, 触发网络中 的计费装置按照本地传输的计费方式进行计费, 所述计费方式是在具体应用 中, 由使用者根据具体情况进行设定, 例如可以包月等方式计费, 而不以流 量或实际使用时间计费等。 通过上述计费方式的实现, 可以进一歩提高运营 商对用户业务计费的精确度, 也有利于用户对各类通信业务接收的满意度, 提高运营商的竞争力。 参考图 5, 图 5为本发明实施例实现本地传输系统的结构示意图, 包 括:
第一接入设备 302: 用于向本地传输设备 304发送通信业务数据; 本地传输设备 304: 用于接收所述第一接入设备 302发送的通信业务数 据, 判断所述通信业务数据对应的第一接入设备 302和第二接入设备 306是 否满足本地传输的条件, 当所述通信业务数据对应的第一接入设备 302和第 二接入设备 306满足本地传输的条件时, 触发所述第一接入设备 302进行本 地传输;
第二接入设备 306: 接收所述第一接入设备发送的本地传输数据, 与所 述第一接入设备建立本地传输通道, 并通过该通道进行数据传输。
由于在实现中, 本地传输系统还可以具有终止本地传输的功能, 因此, 相应地, 本地传输设备 304还可以用于向第一接入设备 302或者第二接入设 备 306发送本地传输终止消息, 该本地传输终止消息携带对端的隧道标识, 并接收第一接入设备 302或者第二接入设备 306发送的本地传输终止确认消 息;
第一接入设备 302或第二接入设备 306, 还可以用于接收本地传输终止 消息, 根据该本地传输终止消息携带的对端的隧道标识更新本地保存的分组 数据协议上下文, 向本地传输设备 304发送该本地传输终止确认消息。
参考图 6, 图 6为本发明实施例本地传输系统另一实施例结构示意图。 其中, 所述本地传输设备 304具体包括:
接收单元 3041 : 用于接收所述第一接入设备 302的通信业务数据; 判断单元 3042: 用于根据所述接收单元 3041接收到的通信业务数据, 判 断所述通信业务数据对应的所述第一接入设备 302和所述第二接入设备 306是 否满足本地传输的条件;
处理单元 3043 : 根据所述判断单元 3042判断的结果进行处理, 如果所述 第一接入设备 302和所述第二接入设备 306满足本地传输的条件, 触发所述第 一接入设备 302进行本地传输。
具体为, 所述处理单元 3043将所述第二接入设备 306为本次通信分配的 隧道标识、 所述第二接入设备 306的 IP地址和本地传输启用指示发送给所述 第一接入设备 302, 用于所述第一方接入设备 302建立本地传输。
所述判断单元 3042还可以包括:
第一判断单元 30421: 用于判断所述第一接入设备 302和第二接入设备 306是否是同一接入设备; 或通过查找本地传输关系表的记录, 判断所述第 一接入设备 302和第二接入设备 306是否满足本地传输条件, 所述本地传输 关系表记录不同接入设备之间是否满足本地传输的条件; 所述本地传输关系 表可以从本地或其它设备 (如网管) 获取;
第二判断单元 30422: 用于判断所述通信业务数据的发送方和接收方是 否签约了本地传输功能; 所述用户签约的本地传输功能可以从 PDP上下文 中获取, 具体可参考上述方法实施例中的描述。
通过上述关于本地传输系统的实施例, 通过本地传输设备 304判断第一 接入设备 302和第二接入设备 306之间是否满足本地传输的条件, 当判断结 果为满足时, 触发所述第一接入设备 302进行本地传输, 能够在通用的通信 网络中, 即在不改变接入设备的情况下, 使得通信数据通过本地直接传输到 第二接入设备 306, 节约了通信网络的设备资源和传输资源, 增强了业务传 输的质量和可靠性, 并进而提高了用户的满意度。
所述本地传输设备 304也可以包括计费触发单元 3044, 用于在所述处 理单元触发成功后, 触发网络中的计费装置按照本地传输的计费方式进行计 费, 所述计费方式是在具体应用中, 由使用者根据具体情况进行设定, 例如 可以包月等方式计费, 而不以流量或实际使用时间计费等。 通过上述计费方 式的实现, 可以进一歩提高运营商对用户业务计费的精确度, 也有利于用户 对各类通信业务接收的满意度, 提高运营商的竞争力。 上述实施例仅用以说明本发明的技术方案, 而非对其限制; 尽管参照前 述实施例对本发明进行了详细的说明, 本领域的普通技术人员应当理解: 其 依然可以对前述实施例所记载的技术方案进行修改, 或者对其中部分技术特 征进行等同替换; 而这些修改或者替换, 并不使相应技术方案的本质脱离本 发明实施例技术方案的精神和范围。

Claims

权利要求书
1、 一种本地传输的方法, 其特征在于, 包括:
接收通信业务数据;
判断所述通信业务数据对应的接入设备是否满足本地传输的条件; 当所述通信业务数据对应的接入设备满足本地传输条件时, 触发所述接 入设备进行本地传输。
2. 根据权利要求 1所述的本地传输的方法, 其特征在于, 所述触发所 述接入设备进行本地传输具体包括:
将所述通信业务数据对应的接收方为本次通信分配的隧道标识、 接收方 的 IP地址和本地传输启用指示, 发送给所述通信业务数据对应的发送方接 入设备, 用于所述通信业务数据对应的发送方接入设备建立本地传输。
3、 根据权利要求 1所述的本地传输的方法, 其特征在于, 所述判断所 述通信业务数据对应的接入设备是否满足本地传输的条件具体为:
判断所述通信业务数据对应的发送方接入设备和接收方接入设备是否是 同一接入设备; 或
通过查找本地传输关系表, 判断所述通信业务数据对应的发送方接入设 备和接收方接入设备是否满足本地传输条件, 所述本地传输关系表记录所述 接入设备之间是否满足本地传输的条件。
4. 根据权利要求 1所述的本地传输的方法, 其特征在于, 所述方法还 包括:
判断所述通信业务数据对应的发送方和接收方是否签约本地传输功能; 相应的, 所述触发所述接入设备进行本地传输的条件包括: 所述通信业 务数据对应的发送方和接收方签约本地传输功能, 以及所述通信业务数据对 应的接入设备满足本地传输的条件。
5、 根据权利要求 1所述的本地传输的方法, 其特征在于, 在触发所述 接入设备进行本地传输后还包括: 触发计费装置按照本地传输计费的方式进行计费。
6、 根据权利要求 1所述的本地传输的方法, 其特征在于, 在触发所述 接入设备进行本地传输后还包括:
向所述接入设备发送本地传输终止消息, 所述本地传输终止消息携带对 端的隧道标识;
接收所述接入设备发送的本地传输终止确认消息。
7、 一种实现本地传输的设备, 其特征在于, 包括:
接收单元: 用于接收通信业务数据;
判断单元: 用于根据所述接收单元接收到的通信业务数据, 判断所述通 信业务数据对应的接入设备是否满足本地传输的条件;
处理单元: 根据所述判断单元判断的结果进行处理, 如果所述通信业务 数据对应的接入设备满足本地传输的条件, 则触发所述通信业务数据对应的 接入设备进行本地传输。
8、 根据权利要求 7所述的本地传输设备, 其特征在于, 所述处理单元触 发所述通信业务数据对应的接入设备进行本地传输具体为:
将所述通信业务数据对应的接收方为本次通信分配的隧道标识、 接收方 的 IP地址和本地传输启用指示, 发送给所述通信业务数据对应的发送方接入 设备, 用于所述通信业务数据对应的发送方接入设备建立本地传输。
9、 根据权利要求 7所述的本地传输设备, 其特征在于, 所述处理单元 还用于向所述接入设备发送本地传输终止消息, 所述本地传输终止消息携带 对端的隧道标识;
所述接收模块还用于接收所述接入设备发送的本地传输终止确认消息。
10、 根据权利要求 7所述的本地传输设备, 其特征在于, 所述判断单元 包括:
第一判断单元: 用于判断所述通信业务数据对应的发送方接入设备和接 收方接入设备是否是同一接入设备; 或通过查找本地传输关系表, 判断所述 通信业务数据对应的发送方接入设备和接收方接入设备是否满足本地传输条 件, 所述本地传输关系表记录有所述接入设备之间是否满足本地传输的条 件。
11、 根据权利要求 10所述的本地传输设备, 其特征在于, 所述判断单元 还包括:
第二判断单元: 用于判断所述通信业务数据对应的发送方和接收方是否 签约本地传输功能, 所述本地传输功能是所述第一接入设备和所述第二接入 设备本地传输的条件之一。
12、 根据权利要求 7所述的本地传输设备, 其特征在于, 还包括: 计费触发单元: 用于在所述处理单元触发本地传输成功后, 触发网络中 的计费装置按照本地传输计费的方式进行计费。
13、 一种本地传输的系统, 其特征在于, 包括:
第一接入设备: 用于向本地传输设备发送通信业务数据, 所述通信业务 数据接收方对应的接入设备是第二接入设备;
本地传输设备: 用于接收所述第一接入设备发送的通信业务数据, 判断 所述第一接入设备和所述第二接入设备是否满足本地传输的条件, 当所述第 一接入设备和所述第二接入设备满足本地传输的条件时, 触发所述第一接入 设备进行本地传输;
第二接入设备: 接收所述第一接入设备发送的本地传输数据, 与所述第 一接入设备建立本地传输通道, 并通过该通道进行数据传输。
14、 根据权利要求 13所述的本地传输系统, 其特征在于,
所述本地传输设备还用于向所述第一接入设备或者所述第二接入设备发 送本地传输终止消息, 所述本地传输终止消息携带对端的隧道标识, 并接收 所述第一接入设备或者所述第二接入设备发送的本地传输终止确认消息; 所述第一接入设备或第二接入设备, 还用于接收本地传输终止消息, 根 据所述本地传输终止消息携带的对端的隧道标识更新本地保存的分组数据协 议上下文, 向所述本地传输设备发送所述本地传输终止确认消息。
15、 根据权利要求 13所述的本地传输系统, 其特征在于, 所述本地传 输设备包括:
接收单元: 用于接收所述第一接入设备发送的通信业务数据; 判断单元: 用于根据所述接收单元接收到的通信业务数据, 判断所述第 一接入设备和所述第二接入设备是否满足本地传输的条件;
处理单元: 根据所述判断单元判断的结果进行处理, 如果所述第一接入 设备和所述第二接入设备满足本地传输的条件, 触发所述第一接入设备进行 本地传输。
16、 根据权利要求 15所述的本地传输系统, 其特征在于, 所述处理单元 触发所述第一接入设备进行本地传输具体为:
将所述第二接入设备为本次通信分配的隧道标识、 第二接入设备的 IP地 址和本地传输启用指示发送给所述第一接入设备, 用于所述第一接入设备建 立本地传输。
17、 根据权利要求 15所述的本地传输系统, 其特征在于, 所述判断单元 包括:
第一判断单元: 用于判断所述第一接入设备和所述第二接入设备是否是 同一接入设备; 或通过查找本地传输关系表, 判断所述第一接入设备和所述 第二接入设备是否满足本地传输条件, 所述本地传输关系表记录所述接入设 备之间是否满足本地传输的条件。
18、 根据权利要求 17所述的本地传输系统, 其特征在于, 所述判断单元 还包括:
第二判断单元: 用于判断所述通信业务数据的发送方和接收方是否签约 本地传输功能, 所述本地传输功能是所述第一接入设备和所述第二接入设备 本地传输的条件之 。
19、 根据权利要求 15所述的本地传输系统, 其特征在于, 所述本地传输 设备还包括: 计费触发单元.. 用于在所述处理单元触发本地传输成功后, 触发网络中 的计费装置按照本地传输的计费方式进行计费。
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