WO2010045878A1 - 一种分组数据的处理方法和系统 - Google Patents

一种分组数据的处理方法和系统 Download PDF

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Publication number
WO2010045878A1
WO2010045878A1 PCT/CN2009/074576 CN2009074576W WO2010045878A1 WO 2010045878 A1 WO2010045878 A1 WO 2010045878A1 CN 2009074576 W CN2009074576 W CN 2009074576W WO 2010045878 A1 WO2010045878 A1 WO 2010045878A1
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Prior art keywords
service processing
packet
processing unit
packet data
unit
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PCT/CN2009/074576
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English (en)
French (fr)
Inventor
郭�东
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华为技术有限公司
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Publication of WO2010045878A1 publication Critical patent/WO2010045878A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems

Definitions

  • the present invention relates to network technologies, and in particular, to a method and system for processing packet data.
  • FCC Fixed-Mobile Convergence
  • BRAS Broadband Remote Access Server
  • the existing packet gateway device interacts with the surrounding network elements through the logical interface to complete the data packet service of the user.
  • the communication parties on all logical interfaces are usually identified by the IP address.
  • common wireless packet gateway devices include a GPRS Gateway Support Node (GGSN) applied to a Wide-Band Code Division Multiplex Access (WCDMA) system, and a packet applied to a CDMA system.
  • GGSN GPRS Gateway Support Node
  • WCDMA Wide-Band Code Division Multiplex Access
  • PDSN Packet Data Serving Node
  • Worldwide Interoperability for Microwave Access Worldwide Interoperability for Microwave Access
  • ASN GW Interoperability for Microwave Access, WiMAX
  • ASN GW Access Service Network Gateway
  • the PDSN is used as an example. As shown in Figure 1, the PDSN is used to implement the networking of the PDSN. The PDSN interacts with the surrounding NEs through the RP and Pi logical interfaces to complete the data packet service of the users in the PDSN network. However, different gateways have different interfaces in the network, and the functions implemented are different. For example, in a WCDMA system, the GGSN can pass Gn, Gi, Gp, Gy, Ga, And the Gmb logical interface interacts with the surrounding network elements to complete the data packet service of the user in the WCDMA network standard; in the WiMAX system, the ASN GW can interact with the surrounding network elements through the logical interfaces R6, R4, and R3 to complete the WiMAX. User data packet service under network standard.
  • the packet gateway in the prior art usually only has a function under the network standard, it can only be applied to a service of data packets under a network standard, and a cross-standard operator needs to provide multiple packet gateways to meet the needs of the service.
  • a cross-standard operator needs to provide multiple packet gateways to meet the needs of the service.
  • different gateways supporting the new network standard and the old network standard respectively need to be provided, which increases the investment of the operator and the management and maintenance of multiple packet gateways is also complicated.
  • the embodiment of the present invention provides a packet data processing method and system, which can support service processing in multiple network standards.
  • a processing system for packet data comprising processing means for packet data, the processing device for packet data comprising at least two service processing units supporting different network standards,
  • the service processing unit is configured to perform corresponding service processing on the received IP packet according to a predetermined network standard.
  • a method for processing packet data comprising:
  • the technical solution provided by the embodiment of the present invention can implement processing of different IP packets in different network standards in the network device by supporting service processing units of different network standards in the same network device.
  • the problem that the packet gateway in the prior art can only support one type of network standard is solved, and the service processing in multiple network standards can be supported, the smooth evolution of the network device is realized, the investment of the operator is saved, and the operator is convenient. Management and maintenance.
  • DRAWINGS 1 is a schematic diagram of a network in which a PDSN is used for networking in the prior art
  • FIG. 2 is a schematic structural diagram of a packet data processing system according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural diagram 1 of a processing apparatus for packet data in a packet data processing system according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic diagram showing the workflow of a network management station in a packet data processing system according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic diagram showing the workflow of an alarm station in a packet data processing system according to Embodiment 2 of the present invention.
  • FIG. 6 is a flowchart of a method for processing packet data according to Embodiment 3 of the present invention.
  • a first embodiment of the present invention provides a packet data processing system. As shown in FIG. 2, the method includes: packet data processing apparatus 201, and the packet data processing apparatus 201 includes at least two service processing units supporting different network standards. twenty one ,
  • the service processing unit 21 is configured to perform corresponding service processing on the received IP packet according to a predetermined network standard.
  • the peripheral network element sends the IP packet to the service processing unit 21 that performs the service processing on the IP packet, and the method can be used to ensure that the IP packet is sent to the corresponding specific network standard.
  • the service processing unit 21 for example, can maintain a routing table in which the destination address of the IP packet is the logical IP address of the corresponding service processing unit 21 supporting the specific system.
  • the service processing unit 21 performs corresponding service processing on the IP ⁇ text according to the network standard supported by the service processing unit.
  • the technical solution provided by the first embodiment of the present invention can implement the processing of different IP packets in different network standards in the network device by supporting the service processing units of different network standards in the same network device, and solving the existing The packet gateway in technology can only support the problems caused by one network standard. It can support the service processing in multiple network standards, realize the smooth evolution of fixed network equipment to mobile network equipment, save the investment of operators, and facilitate the management and maintenance of operators.
  • SAE System Architecture Evolution
  • 3GPP 3rd Generation Partnership Project
  • PDN Gateway packet data gateway
  • Serving Gateway service gateway
  • the functions of the PDN Gateway and the Serving Gateway can be implemented by one network device to meet the requirements of the 3GPP standard.
  • the packet data processing system provided by the second embodiment of the present invention includes packet data processing means. As shown in FIG. 3, the packet data processing apparatus includes at least two service processing units 31 supporting different network standards.
  • the service processing unit 31 is configured to perform corresponding service processing on the received IP packet according to a predetermined network standard.
  • the predetermined network standard supported by the service processing unit 31 includes a fixed network, a WCDMA system, a 3GPP SAE network, a CDMA system, a network standard in a WiMAX system, and the like, but is not limited thereto, and includes other network standards, specifically, service processing.
  • Unit 31 may implement the functions of BRAS, PDSN, GGSN, ASN GW, Serving Gateway or PDN Gateway to meet the needs of the user.
  • Each of the service processing units 31 is configured with a logical interface IP address, and the destination address of the IP packet sent by the surrounding network element is the corresponding logical interface IP address.
  • the local IP address generated by the service processing unit 31 is also the IP address of the corresponding logical interface.
  • the service processing unit 31 performs the uplink and downlink network signaling processing of the terminal user and the data forwarding when the packet service is performed according to the communication protocol of the corresponding standard configured on the IP packet sent thereto, and the like.
  • the IP packet is a service packet. The processing flow of these service messages can be obtained by those skilled in the art through the disclosed content, and will not be described in detail herein.
  • the service processing unit 31 can be directly used to receive the previous processing device from the packet data. After the IP packet of the network device is processed, the IP packet is processed, and the local packet is generated, and then directly sent to the next hop network device of the processing device of the packet data.
  • the processing and processing of the service is performed in a centralized manner, and the processing device of the packet data further includes: a route distribution unit 32, The IP packet is distributed to the at least two service processing units 31 supporting different network standards, and the IP packet from the service processing unit 31 is sent out.
  • the route distribution unit 32 is configured as a physical interface of the network device other than the processing system, and a physical interface IP address is set for the route distribution unit 32. All IP packets sent to the processing system first enter the route distribution unit 32. Then, the route distribution unit 32 sends the IP message to each corresponding processing unit in the processing device.
  • a routing table can be maintained.
  • the destination address of the IP packet includes the logical IP address of the service processing unit, and the logical IP address of the service processing unit 31 and the physical interface IP address of the route distribution unit 32 are adjacent one hop.
  • the neighboring network element obtains the corresponding routing information through the dynamic routing learning or manual configuration by the processing device of the foregoing packet data, and sends the IP4 ⁇ text to the corresponding service processing unit 31; or
  • the route distribution unit 32 selects the corresponding packet by using the packet type information or the selection indication information of the IP packet after receiving the IP packet.
  • the service processing unit for example, if the packet type information of the IP packet indicates that the IP packet is a packet supporting the WCDMA system, the IP packet is sent to the service processing unit 31 that implements the GGSN function; for example, All the service processing units 31 are numbered, and the selection indication information in the IP packet can carry the number.
  • the route distribution unit 32 sends the received IP packet to the service processing unit 31 corresponding to the number indicated by the selection indication information.
  • processing device for the packet data may further include: a management control unit 33, configured to receive an operation and maintenance command, send the operation and maintenance command to the at least one service processing unit or the route distribution unit, and process the service The unit or routing distribution unit is managed.
  • a management control unit 33 configured to receive an operation and maintenance command, send the operation and maintenance command to the at least one service processing unit or the route distribution unit, and process the service The unit or routing distribution unit is managed.
  • Operation and maintenance commands include configuration management, software management, and performance of each functional entity in the above device. Commands that can be managed or managed securely (for the setting of specific commands, refer to the definition of the 3GPP standard).
  • the command control function is supported on the management control unit 33, and an operation and maintenance command is transmitted to the service processing unit or the route distribution unit through the command proxy function.
  • the management control unit 33 is responsible for processing IP packets related to routing protocols, operation and maintenance, etc., and the IP packets involved are non-service packets, and manage the operation of the entire packet data processing system.
  • a logical interface IP address is also set for the management control unit 33.
  • the logical interface IP address serves as the destination IP address of the non-service data other than the above system, and the source IP address of the non-service data generated in the above system.
  • the periphery The processing device of the network element and the foregoing packet data obtains corresponding routing information by means of dynamic route learning or manual configuration, and ensures the IP address of various logical interfaces of the service processing unit and the management control unit and the physical interface IP address of the route distribution unit. Become an adjacent jump.
  • the routing information ensures that when the routing distribution unit receives the packet whose destination IP address is the logical interface IP address of the system, it can be accurately distributed to the corresponding service processing unit or management control unit, and the corresponding unit performs the When the routing distribution unit receives the packet whose destination IP address is not the IP address of each logical interface in the system, it can be automatically forwarded to the next hop device corresponding to the destination IP address according to the routing table.
  • the route distribution unit 32 can send the local message to the destination IP address according to the routing information. Corresponding next hop network device.
  • routing distribution unit 32 and the management control unit 33 may be implemented by one physical unit.
  • the processing of the packet data is performed.
  • the system also includes a network management station 44.
  • the method includes:
  • Step S1 Each service processing unit reports maintenance instruction information to the management control unit.
  • the service processing unit 41 (including the service processing unit 1 to the service processing unit n, n is a label) reports the maintenance indication information to the management control unit 43, and the maintenance indication information is used to indicate the service that needs to deliver the operation and maintenance command.
  • the maintenance indication information includes the device type supported by the service processing unit 41 or the physical location information of the service processing unit 41, for example, a device slot number. However, it is not limited thereto, and includes any indication information that can distinguish between service processing units supporting different standards.
  • the management control unit 43 is mainly responsible for processing the non-service packets related to the routing protocol, operation and maintenance, and the like, and the management control unit 43 receives the maintenance instruction information and sends the information to the network management station 44.
  • Step S2 The network management station sends an operation and maintenance command to the management control unit.
  • the network management station 44 After receiving the maintenance indication information reported from the management control unit 43, the network management station 44 issues an operation and maintenance command to the management control unit 43.
  • the operation and maintenance commands issued by the network management station 44 to the management control unit 43 are mainly used for configuration management, software management, performance management, and security management. Operation and maintenance commands can be divided into three categories:
  • the specific device type command is mainly used for the processing of a specified service processing unit;
  • the physical interface type command is a command for the physical interface of the route distribution unit 42, for example, configuring an IP address, querying the number of sent and received packets, etc.;
  • the class command is mainly the security information sent to the specified unit or all the units, for example, the CPU usage alarm threshold of a certain service processing unit.
  • the second embodiment of the present invention limits the use of the three types of commands by the network management station 44.
  • Different operation and maintenance personnel can perform different operation and maintenance commands, for example, only the super management with the highest authority.
  • the administrator can execute all the commands; the general administrator can only execute the relevant commands of the specific business processing unit of the jurisdiction, such as the specific device class command, general management.
  • the business processing unit 41 outside its jurisdiction can perform information inquiry but cannot perform command operations.
  • the network management station 44 first sends the operation and maintenance command to the management control unit 43 and then the management control unit.
  • the operation and maintenance command is forwarded to the service processing unit 41 or the route distribution unit 42.
  • Step S3 The management control unit forwards the operation and maintenance command.
  • the management control unit 43 forwards the operation and maintenance commands from the network management station 44 to the corresponding service processing unit 41 or route distribution unit 42.
  • the command control function is supported on the management control unit 43 for forwarding operation and maintenance commands.
  • the command proxy function ensures that the operation and maintenance command is sent to the corresponding unit according to the maintenance indication information reported by the service processing unit 41.
  • the maintenance indication information includes the device type or the device slot number. Specific methods include:
  • Device management command When the network management station 44 delivers the command, the device management class command can be sent to a specified or all units, and then the command agent on the management control unit 43 can device the device according to the device type or the device slot number. Management class commands are sent to the specified or all units.
  • Step S4 The service processing unit or the route distribution unit returns a result to the management control unit.
  • the service processing unit 41 or the route distribution unit 42 feeds back the execution result of the instruction to the management control unit 43.
  • Step S5 The management control unit returns the result to the network management station.
  • the management control unit 43 forwards the result fed back by each unit to the network management station 44, and the operation and maintenance personnel can know the operation status of each unit according to the feedback result.
  • the maintenance information may be directly sent to the network management station 44, and then the gateway station 44 maintains corresponding operation and maintenance information. It is sent to the management control unit 43.
  • the packet data processing device is provided with a system replacement unit for replacing the existing system in the service processing unit.
  • the system replacement unit can be used to replace the system supported by the service processing unit.
  • the system replacement unit can be issued by the operator's back-end system or a specific management station (such as a network management station).
  • the program and data of the new system to be replaced are loaded from the designated server to the business processing unit that needs to be replaced, and the business processing unit is controlled to restart according to the new program and data.
  • the service processing unit 51 or the route distribution unit 52 or the management control unit 53 is further configured to report alarm information, where the alarm information carries destination address information.
  • the system further includes an alarm station 54 for receiving the alarm information and making an alarm.
  • the alarm station 54 can be used to implement the alarm display of each unit, and in the second embodiment of the present invention, the alarm of the service processing unit 51 of one system only needs to notify the operation and maintenance personnel who administer the system, without having to administer other systems.
  • the operation and maintenance personnel of the service processing unit know; for the public alarm information, for example, the alarm of the route distribution unit 52 needs to notify all the operation and maintenance personnel.
  • the alarm information of all the systems can be received by one alarm station, and all the alarm information can be filtered and sent to the operation and maintenance personnel of different standards; or, an alarm is set for each type of service processing unit.
  • the service processing unit of a certain system issues an alarm, it sends the alarm information directly to the corresponding alarm station.
  • the functions implemented by the foregoing alarm station and the network management station may be implemented by an integrated service desk.
  • an alarm station is set for each type of service processing unit.
  • the service processing unit 51 specifically includes a service processing unit 1 to a service processing unit n (n is a serial number), and the service processing unit 1 can implement the function of the BRAS, and the service processing unit n can implement the function of the GGSN, and the alarm
  • the station 54 and the alarm station 55 are specific alarm stations corresponding to the service processing unit 1 and the service processing unit n, respectively.
  • the alarm information in each system is processed separately, that is, the service processing unit 1 uploads the alarm information 1 to the management control unit 53, and the management control unit 53 sends the alarm information 1 to the alarm station 54; the service processing unit 2
  • the alarm information 2 is sent to the management control unit 53, and the alarm information 2 is sent to the alarm station 55 by the management control unit 53.
  • the management control unit 53 sends the alarm information 3 to each An alarm station includes an alarm station 54 and an alarm station 55.
  • the processing system of the packet data that can run various network standards provided by the second embodiment of the present invention is independent between each service processing unit, and the operation, maintenance, or failure of one service processing unit does not affect another.
  • the service processing unit and using the technical solution of the embodiment of the present invention, when performing the evolution from the BRAS of the fixed network to the various infinite packet network management, or when the combination of the PDN Gateway and the Serving Gateway is implemented, the hardware resources are not required to be too large.
  • the modification can make full use of the existing resources and save investment, and realize the smooth evolution to the multi-standard functional form.
  • the third embodiment of the present invention further provides a method for processing packet data.
  • the method includes: Step 61: Select a corresponding service processing unit in the processing device according to the received IP packet, where the processing device includes support. At least two service processing units of different network standards;
  • Step 62 Send the IP packet to the corresponding service processing unit for service processing.
  • a service processing unit that supports the network standard can maintain a routing table in the routing table.
  • the destination address of the IP address is the logical IP address of the corresponding service processing unit.
  • the neighboring network element and the processing device obtain the corresponding routing information through dynamic route learning or manual configuration, and send the IP packet to the corresponding service. Processing unit; or,
  • the IP packet carries the packet type information or the selection indication information, and after receiving the IP packet, the processing device selects the corresponding service by using the packet type information or the selection indication information of the IP packet.
  • the processing unit for example, if the packet type information of the IP packet indicates that the IP packet is a packet supporting the WCDMA system, the IP packet is sent to a service processing unit that implements the GGSN function; for example, for all The service processing unit performs the numbering, and the selection indication information in the IP packet carries the number, and sends the received IP packet to the service processing unit corresponding to the number indicated by the selection indication information.
  • the method further includes: issuing an operation and maintenance command and executing, where the processing device may include a network management station, which is responsible for each function in the processing device.
  • the operation and maintenance of the module is issued by the network management station to the service processing unit or the corresponding functional unit.
  • the method further includes: reporting the maintenance indication information, where the maintenance indication information includes the device type or the device slot number.
  • the service processing unit or other related functional unit in the processing device for example, the management control unit, the routing distribution unit, and the like, report the maintenance indication information to the gateway station, and the network management station sends the corresponding operation and maintenance command to the specific service according to the maintenance indication information. Processing unit or corresponding functional unit.
  • the method further includes: reporting the alarm information, where the alarm information carries the destination address information; at this time, the processing device may further include at least one alarm station, and the alarm station receives the An alarm is generated after the alarm information.
  • the service processing unit or other related functional unit in the processing device for example, the management control unit, the route distribution unit, etc., reports the alarm information to the alarm station, and the service processing unit or the corresponding functional unit sends the alarm information through the destination address information in the alarm information. Send to the corresponding alarm station.
  • the alarm information in all standards can be received by an alarm station, and all alarm information can be screened.
  • the alarm is sent to the operation and maintenance personnel of different standards.
  • an alarm station is set for each type of service processing unit. When the service processing unit of a certain system issues an alarm, the alarm information is directly sent to the corresponding alarm station.
  • the functions implemented by the foregoing alarm station and the network management station may be implemented by an integrated service desk.
  • the third embodiment of the present invention further includes: replacing the network standard of the service processing existing in the service processing unit to meet the needs of the user.
  • the system replacement unit There are various ways to change the system. For example, you can issue a system replacement command to the standard replacement unit through the operator's back-end system or a specific management station (such as the network management station), and load the new system to be replaced from the specified server.
  • the program and data are sent to the business processing unit that needs to be replaced, and the business processing unit is controlled to restart according to the new program and data.
  • the technical solution provided by the third embodiment of the present invention can implement the processing of different IP packets in different network standards in the network device by supporting the service processing units of different network standards in the same network device, and solving the existing
  • the packet gateway in the technology can only support the problem brought by one network standard, can support the service processing under multiple network standards, realize the smooth evolution of the fixed network device to the mobile network device, save the investment of the operator, and facilitate the operator. Management and maintenance.
  • the present invention can be implemented by means of software plus the necessary general hardware platform. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product, which may be stored in a storage medium such as a ROM/RAM, a disk, An optical disk or the like includes instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention or portions of the embodiments.
  • a computer device which may be a personal computer, server, or network device, etc.

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Abstract

本发明公开了一种分组数据的处理方法和系统,涉及网络技术,本发明实施例提供的一种分组数据的处理方法,包括:根据接收到的 IP报文选择处理设备中相应的业务处理单元,所述处理设备包括支持不同网络制式的至少两个业务处理单元;将所述 IP报文送入所述相应的业务处理单元进行业务处理。本发明实施例还提供了一种分组数据的处理系统。本发明实施例提供的方法和系统能够支持多种网络制式下的业务处理,实现网络设备的平滑演进,节省运营商的投资,便于运营商的管理和维护。

Description

一种分组数据的处理方法和系统 本申请要求于 2008 年 10 月 24 日提交中国专利局、 申请号为 200810173209.2,发明名称为"一种分组数据的处理方法和系统"的中国专利申请 的优先权, 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及网络技术, 尤其涉及一种分组数据的处理方法和系统。
背景技术
随着无线通信技术的迅速发展, 基于固定和无线技术相结合的方式来提供 通信业务的固定移动融合( Fixed-Mobile Convergence, FMC )是目前电信领域 发展的方向。
在固网领域, 通过宽带接入服务器 ( Broadband Remote Access Server, BRAS )接入网络的业务持续不断下降; 而在无线网络中, 对各种无线分组网关 的需求却日益增加, 运营商开始考虑如何保护已有投资, 使 BRAS可以平滑演 进到无线分组网关的形态。
现有的分组网关设备, 通过逻辑接口与周边的网元进行交互, 完成用户的 数据分组业务, 在所有逻辑接口上的通信双方通常都是用 IP地址进行标识的。
其中, 常见的无线分组网关设备包括应用于宽带码分多址接入 ( Wide-brand Code Division Multiplex Access , WCDMA )系统的 GPRS网关支撑节点 (Gateway GPRS Support Node ,GGSN)、 应用于 CDMA系统的分组数据服务节点 ( Packet Data Serving Node, PDSN )和应用于全球微波互联接入( Worldwide
Interoperability for Microwave Access, WiMAX ) 系统的接入业务网关 (Access Service Network Gateway , ASN GW )。
以 PDSN为例进行说明, 如图 1所示, 为采用 PDSN进行组网的网络示意 图, PDSN通过 R-P、 Pi逻辑接口与周边的网元进行交互, 完成 PDSN网络制式 下用户的数据分组业务。 然而, 不同的网关在网絡中有不同的接口, 实现的功 能也不同, 例如, 在 WCDMA系统中, GGSN可通过 Gn、 Gi、 Gp、 Gy、 Ga、 和 Gmb逻辑接口与周边的网元进行交互, 完成 WCDMA网络制式下用户的数 据分组业务; 在 WiMAX系统中, ASN GW可通过 R6、 R4和 R3等逻辑接口与 周边的网元进行交互, 完成 WiMAX网络制式下用户的数据分组业务。
由于现有技术中的分组网关通常只具备一种网絡制式下的功能, 只能适用 于一种网络制式下数据分组的业务, 跨制式的运营商需要提供多个分组网关才 能满足业务的需要, 并且, 随着网络的演进, 需要提供分别支持新网络制式和 旧网络制式的不同的网关, 增加了运营商的投资且对多个分组网关的管理维护 也较为复杂。
发明内容
为了解决现有技术中的分组网关只能支持一种网络制式带来的问题, 本发 明的实施例提供了一种分组数据的处理方法和系统, 能够支持多种网络制式下 的业务处理。
为达到上述目的, 本发明的实施例釆用如下技术方案:
一种分组数据的处理系统, 该系统包括分组数据的处理装置, 所述分组数 据的处理装置包括支持不同网络制式的至少两个业务处理单元,
所述业务处理单元, 用于对接收到的 IP报文按照预定的网络制式进行相应 的业务处理。
一种分组数据的处理方法, 包括:
根据接收到的 IP报文选择处理设备中相应的业务处理单元, 所述处理设备 包括支持不同网络制式的至少两个业务处理单元;
将所述 IP报文送入所述相应的业务处理单元进行业务处理。
由上所述, 本发明实施例提供的技术方案, 通过在同一网络设备中支持不 同网络制式的业务处理单元, 能够在该网络设备中实现对不同的 IP报文在不同 网络制式下的处理, 解决了现有技术中的分组网关只能支持一种网络制式的带 来的问题, 能够支持多种网络制式下的业务处理, 实现网络设备的平滑演进, 节省运营商的投资, 便于运营商的管理和维护。
附图说明 图 1为现有技术中采用 PDSN进行组网的网络示意图;
图 2为本发明实施例一提供的分组数据的处理系统结构示意图;
图 3 为本发明实施例二提供的分组数据的处理系统中分组数据的处理装置 结构示意图一;
图 4 为本发明实施例二提供的分组数据的处理系统中网管台的工作流程示 意图;
图 5为本发明实施例二提供的分组数据的处理系统中告警台的工作流程示 意图;
图 6为本发明实施例三提供的分组数据的处理方法流程图。
具体实施方式
为了更清楚地说明本发明实施例的技术方案, 下面将结合附图对本发明的 实施例进行详细的介绍, 下面的描述仅仅是本发明的一些实施例, 对于本领域 普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以根据这些实施例获 得本发明的其他的实施方式。
本发明实施例一提供了一种分组数据的处理系统, 如图 2 所示, 包括: 分 组数据的处理装置 201 ,所述分组数据的处理装置 201包括支持不同网络制式的 至少两个业务处理单元 21 ,
所述业务处理单元 21, 用于对接收到的 IP报文按照预定的网络制式进行相 应的业务处理。
在本发明实施例一中,周边网元将 IP报文发送至对该 IP报文进行业务处理 的业务处理单元 21 ,可采用多种方法确保 IP报文发送至与其相应的支持特定网 络制式的业务处理单元 21, 例如, 可维护一个路由表, 在该路由表中该 IP报文 的目的地址为其相应的支持特定制式的业务处理单元 21的逻辑 IP地址。业务处 理单元 21根据其所支持的网络制式对 IP · ^文进行相应的业务处理。
本发明实施例一提供的技术方案, 通过在同一网络设备中支持不同网络制 式的业务处理单元, 能够在该网络设备中实现对不同的 IP报文在不同网络制式 下的处理, 解决了现有技术中的分组网关只能支持一种网络制式的带来的问题, 能够支持多种网络制式下的业务处理, 实现固网设备向移动网络设备的平滑演 进, 节省运营商的投资, 便于运营商的管理和维护。
并且, 在第三代合作伙伴计划(3rd Generation Partnership Project,3GPP)标准 支持的系统架构演进( System Architecture Evolution, SAE ) 网络中, 已提出将 分组数据网关( PDN Gateway )和服务网关( Serving Gateway )设置在一起的概 念, 利用本发明实施例的技术方案, 可将 PDN Gateway和 Serving Gateway的功 能由一个网络设备实现, 满足 3GPP标准的要求。
下面对本发明实施例二提供的分组数据的处理系统进行具体说明。
本发明实施例二提供的分组数据的处理系统包括分组数据的处理装置, 如 图 3 所示, 所述分组数据的处理装置包括支持不同网络制式的至少两个业务处 理单元 31,
上述业务处理单元 31 , 用于对接收到的 IP报文按照预定的网絡制式进行相 应的业务处理。
其中, 业务处理单元 31支持的预定的网络制式包括固定网络、 WCDMA系 统、 3GPP SAE网络、 CDMA系统、 WiMAX系统中的网络制式等,但不限于此, 包括其它的网络制式,具体的,业务处理单元 31可以实现 BRAS、PDSN、GGSN、 ASN GW、 Serving Gateway或 PDN Gateway的功能, 以满足用户的需要。
为每个业务处理单元 31分别配置一个逻辑接口 IP地址,周边网元发送过来 的 IP报文中目的地址为相应逻辑接口 IP地址。 业务处理单元 31产生的本地报 文, 其源 IP地址也是使用相应逻辑接口的 IP地址。 通过如上设置, 每个业务处 理单元 31以其配置的逻辑接口 IP地址, 各个业务处理单元 31互不影响、 独立 工作, 对周边网元呈现出一个独立的特定的分组网关逻辑功能实体。
业务处理单元 31 , 将发送至其的 IP报文, 按照其上已配置的相应制式的通 讯协议, 完成终端用户的上下网信令处理、 以及进行分组业务时的数据转发等, 涉及到的这些 IP报文为业务报文。 本领域所属技术人员可通过已公开的内容获 知对这些业务报文的处理流程, 此处不再详述。
上述业务处理单元 31可直接用于接收来自上述分组数据的处理装置的上一 跳网络设备的 IP报文, 并将该 IP报文处理后, 生成本地报文, 再直接发送至上 述分组数据的处理装置的下一跳网络设备。
为了保证业务处理单元的工作效率, 有效利用网络资源, 在本发明实施例 二中, 对业务 ·^艮文的收发进行集中处理, 这时分组数据的处理装置还包括: 路由分发单元 32, 用于将 IP报文分发给支持不同网絡制式的所述至少两个 业务处理单元 31 , 并将来自所述业务处理单元 31的 IP报文发送出去。
将该路由分发单元 32作为上述处理系统对其以外的网络设备的物理接口, 为路由分发单元 32设置一个物理接口 IP地址, 所有发送至该处理系统的 IP报 文, 首先进入该路由分发单元 32, 然后由路由分发单元 32, 将 IP报文发送至所 述处理装置中各相应的处理单元。
为了确保需要按照某种制式进行处理的 IP报文, 被发送至支持该种网络制 式的业务处理单元中, 可维护一个路由表。 在该路由表中, IP 报文的目的地址 包括业务处理单元的逻辑 IP地址, 并且记录业务处理单元 31的逻辑 IP地址与 路由分发单元 32的物理接口 IP地址为相邻的一跳。周边网元通过与上述分组数 据的处理装置通过动态路由学习或手工配置的方式, 获得相应的路由信息, 将 IP 4艮文发送至相应的业务处理单元 31中; 或者,
在所述 IP报文中携带所述报文类型信息或选择指示信息,路由分发单元 32 接收到 IP报文后,利用所述 IP报文的报文类型信息或选择指示信息选择所述相 应的业务处理单元, 例如, 若所述 IP报文的报文类型信息表明该 IP报文为支持 WCDMA系统的报文, 则将该 IP报文发送至实现 GGSN功能的业务处理单元 31 ; 又例如, 为所有的业务处理单元 31进行编号, IP报文中的选择指示信息可 携带该编号, 路由分发单元 32将接收到的 IP报文发送至选择指示信息所指示 的编号对应的业务处理单元 31。
进一步的, 上述分组数据的处理装置还可以包括: 管理控制单元 33 , 用于 接收操作维护命令, 将该操作维护命令发送给所述至少一个业务处理单元或路 由分发单元, 并对所述业务处理单元或路由分发单元进行管理。
操作维护命令包括对上述装置中各功能实体进行配置管理、 软件管理、 性 能管理或安全管理的命令等 (具体命令的设置可参照 3GPP标准的定义)。 管理 控制单元 33上支持命令代理功能, 通过命令代理功能向业务处理单元或路由分 发单元发送操作维护命令。
管理控制单元 33负责处理与路由协议、操作维护等相关的 IP报文, 涉及到 的这些 IP报文为非业务报文, 并对整个分组数据的处理系统的运行进行管理。 为管理控制单元 33也设置一个逻辑接口 IP地址 , 该逻辑接口 IP地址作为上述 系统以外的非业务 4艮文的目的 IP地址, 及上述系统中产生的非业务 4艮文的源 IP 地址。
为了确保需要按照某种制式进行处理的 IP报文, 被发送至支持该种网络制 式的业务处理单元中或者非业务 · ^文被发送至管理控制单元中, 在本发明实施 例二中, 周边网元和上述分组数据的处理装置通过动态路由学习或手工配置的 方式, 获得相应的路由信息, 保证上述业务处理单元、 管理控制单元各种逻辑 接口的 IP地址与路由分发单元的物理接口 IP地址成为相邻的一跳。
通过上述路由的信息, 保证了当路由分发单元收到目的 IP地址为本系统内 的逻辑接口 IP地址的报文时, 可以准确分发到相应的业务处理单元或管理控制 单元, 由相应的单元进行艮文处理; 当路由分发单元收到目的 IP地址不是本系 统内各个逻辑接口 IP地址的报文时,可以自动按照路由表转发到目的 IP地址对 应的下一跳设备。
并且, 当业务处理单元 31、 管理控制单元 33处理完相应的 IP 文, 生成 本地报文, 发送给路由分发单元 32后, 路由分发单元 32可根据路由信息将本 地艮文发送至上述目的 IP地址对应的下一跳网络设备。
上述路由信息的获取的方法, 本领域技术人员可通过已公开的内容获知, 此处不再详细描述。
可选的, 可将上述路由分发单元 32和管理控制单元 33所实现的功能, 由 一个物理单元来实现。
进一步的, 考虑到网络的日常维护及网络是在不断演进的等多种因素, 为 了便于对上述系统进行维护和管理, 本发明实施例二中, 上述分组数据的处理 系统还包括网管台 44。
下面对本发明实施例二中网管台 44进行维护与管理时各功能实体的工作流 程进行具体说明, 如图 4所示, 包括:
步骤 S1 : 各业务处理单元向管理控制单元上报维护指示信息。
如图 4所示, 业务处理单元 41 (包括业务处理单元 1至业务处理单元 n, n 为标号)向管理控制单元 43上报维护指示信息, 维护指示信息用以指示需要下 发操作维护命令的业务处理单元。 该维护指示信息包括业务处理单元 41支持的 设备类型或业务处理单元 41的物理定位信息, 例如,设备槽位号。但不限于此, 包括任何可以区分支持不同制式的业务处理单元的指示信息。
上述管理控制单元 43主要负责与路由协议、 操作维护等相关的非业务报文 的处理, 管理控制单元 43接收到上述维护指示信息后, 发送给网管台 44。
步骤 S2: 网管台向管理控制单元下发操作维护命令。
网管台 44接收到来自管理控制单元 43上报的维护指示信息后, 向管理控 制单元 43下发操作维护命令。
网管台 44向管理控制单元 43下发的操作维护命令主要用于配置管理、 软 件管理、 性能管理和安全管理等。 可将操作维护命令分为三类:
1 )具体设备类命令
2 )物理接口类命令
3 )设备管理类命令
其中, 具体设备类命令主要用于某一指定的业务处理单元的处理; 物理接 口类命令为针对路由分发单元 42的物理接口的命令, 例如, 配置 IP地址、 查询 收发报文数等; 设备管理类命令主要为发送至指定单元或所有单元的安全信息, 例如, 某个业务处理单元的 CPU占用率告警阈值等。
为了操作维护的安全性, 优选的, 本发明实施例二对网管台 44使用三类命 令的权限进行了限定, 不同的运维人员能够执行的操作维护命令不同, 例如, 只有权限最大的超级管理员可以执行所有的命令; 而一般的管理员仅能执行其 管辖的具体制式的业务处理单元的相关命令, 如, 具体设备类命令, 一般管理 员对其管辖外的业务处理单元 41 , 可以进行信息查询但不能进行命令操作。 网管台 44 先将操作维护命令下发给管理控制单元 43 , 再由管理控制单元
43将该操作维护命令转发给业务处理单元 41或路由分发单元 42。
步骤 S3: 管理控制单元转发操作维护命令。
管理控制单元 43转发来自网管台 44的操作维护命令至相应的业务处理单 元 41或路由分发单元 42。 管理控制单元 43上支持命令代理功能, 用于转发操 作维护命令。
命令代理功能根据业务处理单元 41上报的维护指示信息, 确保将操作维护 命令发送至相应的单元, 该维护指示信息包括设备类型或设备槽位号。 具体的 方法包括:
1 )具体设备类命令: 网管台 44在下发具体设备类命令至管理控制单元 43 时, 会指定接收该具体设备类命令的业务处理单元 41 , 管理控制单元 43上的命 令代理功能根据设备类型或设备槽位号直接将具体设备类命令发送至对应的业 务处理单元 41 ;
2 )物理接口类命令: 上述命令代理功能将物理接口类命令, 发送至路由分 发单元 42。
3 )设备管理类命令: 网管台 44 下发时, 可以指定将设备管理类命令发送 至某一指定或所有的单元, 然后管理控制单元 43上的命令代理根据设备类型或 设备槽位号将设备管理类命令发送至指定的或所有的单元。
步骤 S4: 业务处理单元或路由分发单元向管理控制单元返回结果。
业务处理单元 41或路由分发单元 42将指令的执行结果反馈给管理控制单 元 43。
步骤 S5: 管理控制单元向网管台返回结果。
管理控制单元 43将各单元反馈的结果转发给网管台 44,运维人员根据反馈 的结果可获知各单元的运行状况。
进一步的,当上述管理控制单元 43需要进行维护或软件系统更新等操作时, 可直接向网管台 44上" ^维护指示信息, 然后网关台 44向相应的操作维护信息 下发给该管理控制单元 43。
通过上述通信设备的维护和管理方法, 可以实现通信设备中任一单元, 尤 其是业务处理单元的的软件单独升级、 复位重启、 故障修复等功能, 还可以更 换业务处理单元支持的制式, 由于各业务处理单元之间运行互相独立, 对一种 制式业务处理单元的处理不会影响其它制式业务处理单元的运行。
其中, 对业务处理单元进行制式更换的方式有多种, 可以设置制式更换单 元或直接利用管理控制单元, 对业务处理单元进行制式更换, 例如, 可以通过 运营商的后台系统或特定的管理台(如网管台), 向制式更换单元 /管理控制单元 下发制式更换命令, 制式更换单元 /管理控制单元从指定的服务器加载待更换的 新制式的程序和数据到需要进行制式更换的业务处理单元, 并控制该业务处理 单元按照新程序和数据重新启动运行。
考虑到资源的合理分配和利用率, 优选的, 本发明实施例二中, 所述分组 数据的处理装置中设置制式更换单元, 用于更换所述业务处理单元中已存在的 制式。 当一种业务处理单元实现的业务不断减少或不需要时, 可利用制式更换 单元对该业务处理单元支持的制式进行更换。
利用制式更换单元对业务处理单元进行制式更换的方法有多种, 例如, 可 以通过运营商的后台系统或特定的管理台 (如网管台), 向制式更换单元下发制 式更换命令, 制式更换单元从指定的服务器加载待更换的新制式的程序和数据 到需要进行制式更换的业务处理单元, 并控制该业务处理单元按照新程序和数 据重新启动运行。
进一步的, 如图 5所示, 所述业务处理单元 51或所述路由分发单元 52或 所述管理控制单元 53, 还用于上报告警信息, 所述告警信息中携带目的地址信 息, 这时, 上述系统还包括告警台 54, 用于接收所述告警信息并作出告警。
告警台 54可用于实现各单元的告警显示, 并且, 在本发明实施例二中一种 制式的业务处理单元 51的告警只需通知管辖该种制式的运维人员, 而不需让管 辖其它制式业务处理单元的运维人员知晓; 对于公共的告警信息, 例如, 路由 分发单元 52的告警则需要通知所有的运维人员。 由上所述, 可以由一个告警台接收所有制式下的告警信息, 将所有的告警 信息进行筛选, 发送给不同制式的运维人员; 或者, 为每一种制式的业务处理 单元都设置一个告警台, 某种制式的业务处理单元发出告警时, 直将告警信息 发送给对应的告警台。
可选的, 上述告警台和网管台实现的功能可以共同由一个综合服务台实现。 优选的, 本发明实施例二中, 为每一种制式的业务处理单元设置一个告警 台。 如图 5所示, 业务处理单元 51具体包括业务处理单元 1至业务处理单元 n ( n为序号), 该业务处理单元 1能够实现 BRAS的功能, 该业务处理单元 n能 够实现 GGSN的功能, 告警台 54和告警台 55分别为业务处理单元 1和业务处 理单元 n对应的特定告警台。
对每一种制式下的告警信息分别进行处理,即业务处理单元 1将告警信息 1 上艮给管理控制单元 53 , 由管理控制单元 53将告警信息 1发送给告警台 54; 业务处理单元 2将告警信息 2上 给管理控制单元 53,由管理控制单元 53将告 警信息 2发送给告警台 55; 而对于路由分发单元 52发送的公共的告警信息 3 , 管理控制单元 53将告警信息 3发送给每一个告警台, 包括告警台 54和告警台 55。
由上所述, 本发明实施例二提供的可以运行各种网络制式的分组数据的处 理系统, 各个业务处理单元之间是独立的, 一个业务处理单元的运行、 维护或 者故障不会影响另一个业务处理单元, 并且, 利用本发明实施例的技术方案, 在进行从固网的 BRAS到各种无限分组网管的演进时, 或者实现 PDN Gateway 和 Serving Gateway的合并时, 无须对硬件资源进行太大的修改, 可在充分利用 已有的资源, 节省投资的同时, 实现向多制式功能形态的平滑演进。
本发明实施例三还提供了一种分组数据的处理方法, 如图 6所示, 包括: 步骤 61、 根据接收到的 IP报文选择处理设备中相应的业务处理单元, 所述 处理设备包括支持不同网络制式的至少两个业务处理单元;
步骤 62、 将所述 IP 艮文送入所述相应的业务处理单元进行业务处理。
其中, 在步骤 61中, 为了确保需要按照某种制式进行处理的 IP报文, 被发 送至支持该种网络制式的业务处理单元中, 可维护一个路由表, 在该路由表中
IP 4艮文的目的地址为其相应业务处理单元的逻辑 IP地址, 周边网元和上述处理 设备通过动态路由学习或手工配置的方式, 获得相应的路由信息, 将 IP报文发 送至相应的业务处理单元中; 或者,
在所述 IP报文中携带所述报文类型信息或选择指示信息, 上述处理设备接 收到 IP报文后,利用所述 IP报文的报文类型信息或选择指示信息选择所述相应 的业务处理单元, 例如, 若所述 IP报文的报文类型信息表明该 IP报文为支持 WCDMA系统的报文, 则将该 IP报文发送至实现 GGSN功能的业务处理单元; 又例如, 为所有的业务处理单元进行编号, IP报文中的选择指示信息可携带该 编号, 将接收到的 IP报文发送至选择指示信息所指示的编号对应的业务处理单 元。
进一步的, 考虑到网络的日常运维及网络不断演进等因素, 该方法还包括: 下发操作维护命令并执行, 这时, 上述处理设备中可包括一个网管台, 负责该 处理设备中各功能模块的运行和维护, 由该网管台向所述业务处理单元或相应 的功能单元下发操作维护命令。
为了保证业务处理单元能接收到相应的操作维护命令, 还包括: 上报维护 指示信息, 所述维护指示信息包括设备类型或设备槽位号。 处理设备中的业务 处理单元或其它相关功能单元, 例如, 管理控制单元、 路由分发单元等向网关 台上报维护指示信息 , 网管台根据该维护指示信息将相应的操作维护命令下发 到特定的业务处理单元或相应的功能单元。
进一步的, 考虑到网络安全因素, 上述方法还包括: 上报告警信息, 所述 告警信息中携带目的地址信息; 这时, 上述处理设备还可以包括至少一个告警 台, 该告警台接收到所述告警信息后做出告警。 处理设备中的业务处理单元或 其它相关功能单元, 例如, 管理控制单元、 路由分发单元等向告警台上报告警 信息, 业务处理单元或相应的功能单元通过告警信息中的目的地址信息将告警 信息发送到相应的告警台。
可以由一个告警台接收所有制式下的告警信息, 将所有的告警信息进行筛 选, 发送给不同制式的运维人员; 或者, 为每一种制式的业务处理单元都设置 一个告警台, 某种制式的业务处理单元发出告警时, 直将告警信息发送给对应 的告警台。
可选的, 上述告警台和网管台实现的功能可以共同由一个综合服务台实现。 当用户对某一种制式下的业务需求降低时, 本发明实施例三还包括: 更换 业务处理单元中已存在的业务处理的网络制式, 以满足用户的需要。 进行制式 更换的方法有多种, 例如, 可以通过运营商的后台系统或特定的管理台 (如网 管台), 向制式更换单元下发制式更换命令, 从指定的服务器加载待更换的新制 式的程序和数据到需要进行制式更换的业务处理单元, 并控制该业务处理单元 按照新程序和数据重新启动运行。
本发明实施例三提供的技术方案, 通过在同一网络设备中支持不同网络制 式的业务处理单元, 能够在该网络设备中实现对不同的 IP报文在不同网络制式 下的处理, 解决了现有技术中的分组网关只能支持一种网络制式的带来的问题, 能够支持多种网络制式下的业务处理, 实现固网设备向移动网络设备的平滑演 进, 节省运营商的投资, 便于运营商的管理和维护。
本领域的技术人员可以清楚地了解到本发明可借助软件加必需的通用硬件 平台的方式来实现。 基于这样的理解, 本发明的技术方案本质上或者说对现有 技术做出贡献的部分可以软件产品的形式体现出来, 该计算机软件产品可以存 储在存储介质中, 如 ROM/RAM、 磁碟、 光盘等, 包括若干指令用以使得一台 计算机设备(可以是个人计算机, 服务器, 或者网络设备等)执行本发明各个 实施例或者实施例的某些部分所述的方法。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局限于 此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易想到 变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应 以权利要求的保护范围为准。

Claims

权利 要求 书
1、 一种分组数据的处理系统, 其特征在于, 该系统包括分组数据的处理装 置 (201), 所述分组数据的处理装置 (201)包括支持不同网络制式的至少两个业务 处理单元 (21),
所述业务处理单元 (21), 用于对接收到的 IP报文按照预定的网络制式进行 相应的业务处理。
2、 根据权利要求 1所述的分组数据的处理系统, 其特征在于, 所述分组数 据的处理装置 (201)还包括:
路由分发单元 (32) , 用于将 IP报文分发给支持不同网络制式的所述至少两 个业务处理单元, 并将来自所述业务处理单元的 IP报文发送出去。
3、 根据权利要求 2所述的分组数据的处理系统, 其特征在于, 所述分组数 据的处理装置 (201)还包括:
管理控制单元 (33), 用于接收操作维护命令, 将该操作维护命令发送给所述 至少一个业务处理单元或路由分发单元 (32),并对所述业务处理单元或路由分发 单元 (32)进行管理。
4、 根据权利要求 3所述的分组数据的处理系统, 其特征在于, 所述系统还 包括至少一个告警台,
所述业务处理单元或所述路由分发单元或所述管理控制单元, 还用于上 ·艮告 警信息至所述告警台, 所述告警信息中携带目的地址信息;
所述告警台, 用于接收所述告警信息并作出告警。
5、 根据权利要求 3 所述的分组数据的处理系统, 其特征在于, 所述系统还 包括网管台 (44 ):
所述业务处理单元或所述路由分发单元或所述管理控制单元, 还用于上报维 护指示信息至所述网管台, 所述维护指示信息包括设备类型或设备槽位号; 所述网管台 (44 ), 用于接收所述维护指示信息, 并根据该维护指示信息将 相应的操作维护命令向所述业务处理单元或所述路由分发单元或所述管理控制 单元发送。
6、 根据权利要求 1至 5任一项所述的分组数据的处理系统, 其特征在于, 所述分组数据的处理装置还包括:
制式更换单元, 用于更换所述业务处理单元中已存在的网络制式。
7、 一种分组数据的处理方法, 其特征在于, 包括:
根据接收到的 IP报文选择处理设备中相应的业务处理单元, 所述处理设备 包括支持不同网络制式的至少两个业务处理单元;
将所述 IP报文送入所述相应的业务处理单元进行业务处理。
8、 根据权利要求 7所述的分组数据的处理方法, 其特征在于, 所述根据接 收到的 IP报文选择处理设备中相应的业务处理单元包括:
根据所述 IP报文的目的 IP地址选择所述相应的业务处理单元; 或者, 利用所述 IP报文的报文类型信息或选择指示信息选择所述相应的业务处理 单元, 所述 IP报文中携带所述报文类型信息或选择指示信息。
9、 根据权利要求 7所述的分组数据的处理方法, 其特征在于, 还包括: 上4艮告警信息至告警台, 所述告警信息中携带目的地址信息;
所述告警台接收该告警信息并作出告警。
10、 根据权利要求 7所述的分组数据的处理方法, 其特征在于, 还包括: 上报维护指示信息至网管台, 所述维护指示信息包括设备类型或设备槽位 号;
所述网管台接收该维护指示信息并下发相应的操作维护命令。
11、 根据权利要求 7所述的分组数据的处理方法, 其特征在于, 还包括: 更换所述业务处理单元中已存在的业务处理的网络制式。
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