WO2012175051A1 - 多子架通信设备、多子架通信设备的通信方法及装置 - Google Patents

多子架通信设备、多子架通信设备的通信方法及装置 Download PDF

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Publication number
WO2012175051A1
WO2012175051A1 PCT/CN2012/077426 CN2012077426W WO2012175051A1 WO 2012175051 A1 WO2012175051 A1 WO 2012175051A1 CN 2012077426 W CN2012077426 W CN 2012077426W WO 2012175051 A1 WO2012175051 A1 WO 2012175051A1
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Prior art keywords
board
service
subrack
main control
packet
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PCT/CN2012/077426
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English (en)
French (fr)
Inventor
吴欢
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012175051A1 publication Critical patent/WO2012175051A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/04Network management architectures or arrangements

Definitions

  • the present invention relates to the field of communications, and in particular to a multi-subrack communication device, a communication method and apparatus for a multi-subrack communication device.
  • a standard subrack is generally called a primary subrack. It is responsible for controlling, managing, and configuring service boards on each subrack.
  • the main role of the extended subrack is to extend the electrical access capability of the communication device and the access capability of the data service.
  • the main control board is generally installed with the main control board.
  • the application usually controls the other boards through the main control board, thereby realizing the user's management of the entire system.
  • the present invention provides a multi-subrack communication device, a communication method and a device for a multi-subrack communication device, to solve the problem of limited access and inconvenient management of service boards in the related art. According to one aspect of the invention, a multi-subrack communication device is provided.
  • a multi-subrack communication device is provided.
  • the multi-subrack communication device includes: a plurality of service boards, each of which is configured to perform service processing; and a main control board configured to control and manage multiple service orders
  • the board is connected to the service board of the main control board and the service board, and is configured to forward the packet between the main control board and the service board.
  • the connection board includes a main connection board and a backup connection board, wherein the main connection board is connected to the first control interface of the main control board, and the second connection control of the standby connection board to the main control board interface.
  • the main control board includes an active main control board and a standby main control board, wherein the main control board is connected to the first connection interface of the connection board, and the standby main control board is connected to the connection board.
  • the second connection interface Preferably, in a case where the main control board is located in the main subrack and the connection board is located in the extension subrack, the main control board is connected to the connection board through the Ethernet communication mode.
  • one or more service boards of the plurality of service boards are located in the extension sub-rack, and the one or more service boards are connected to the connection board by using one of the following communication modes: HDLC communication mode, Ethernet Network communication method.
  • a communication method of a multi-subrack communication device is provided.
  • the communication method of the multi-subrack communication device includes: the connection board receives the packet from the autonomous control board; the connection board acquires the destination address carried by the packet; and the connection board forwards the packet to the destination address.
  • Business board Preferably, before the connection of the board to the service board corresponding to the destination address, the method further includes: the connection board and the service board negotiate a communication mode, where the communication mode includes one of the following: HDLC communication mode, Ethernet Network communication mode; Connect the board in the address list, and record the negotiated communication mode.
  • the connection board forwards the packet to the service board corresponding to the destination address, including: the connection board is in the address list, and the communication mode between the board and the service board is found; The packet is forwarded to the service card corresponding to the destination address.
  • the method further includes: determining whether the destination address indicates the connected board itself; and if the determination result is yes, forwarding the packet to the application layer for processing, before the board is forwarded to the service board corresponding to the destination address. Otherwise, the operation of forwarding the packet to the service card corresponding to the destination address is performed.
  • the destination address includes the subrack number of the subrack to which the service board belongs and the slot number of the service board in the subrack.
  • a communication apparatus of a multi-subrack communication device includes: a receiving module configured to receive a message from the main control board; an obtaining module configured to acquire a destination address carried by the packet; and a first forwarding module configured to The packet is forwarded to the service card corresponding to the destination address.
  • the communication device of the multi-subrack communication device further includes: a negotiation module, configured to negotiate a communication mode with the service board, wherein the communication mode includes one of the following: an HDLC communication mode, an Ethernet communication mode, and a recording module, configured to In the address list, the negotiated communication method is recorded.
  • the first forwarding module includes: a lookup submodule, configured to search for a communication mode between the self and the service board in the address linked list; and the forwarding submodule is configured to use the searched communication mode to forward the packet to the destination Service board corresponding to the address.
  • the communication device of the multi-subrack communication device further includes: a determining module, configured to determine whether the destination address indicates the connection of the board itself; and the second forwarding module is configured to forward the message to the case that the determination result is yes Application layer processing.
  • the invention realizes the communication between the main control board and the service board by adding the connection board, and can increase the number of accesses of the service board of the communication device, and facilitate the management of the service board.
  • FIG. 1 is a block diagram showing the structure of a multi-subrack communication device according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing the structure of a multi-subrack communication device according to a preferred embodiment of the present invention
  • FIG. 4 is a flowchart of a method for communicating a multi-subrack communication device according to an embodiment of the present invention
  • FIG. 5 is a diagram of processing a message by connecting a board according to a preferred embodiment of the present invention
  • FIG. 6 is a flow chart of packet relay forwarding according to a preferred embodiment of the present invention
  • FIG. 7 is a flowchart of a packet forwarding message according to a preferred embodiment of the present invention
  • FIG. 8 is a flowchart according to an embodiment of the present invention.
  • FIG. 9 is a block diagram showing the structure of a communication device of a multi-subrack communication device according to a preferred embodiment of the present invention
  • FIG. 10 is a multi-subrack communication according to a preferred embodiment of the present invention.
  • FIG. 11 is a block diagram showing the structure of a communication device of a multi-subrack communication device according to a preferred embodiment of the present invention.
  • FIG. 1 is a structural block diagram of a multi-subrack communication device according to an embodiment of the present invention. As shown in FIG. 1, a plurality of service boards 12, a main control board 14 and a connection board 16 are included. The structure is described in detail below.
  • Each of the service boards 12 of the board 14 and the plurality of service boards 12 is configured to forward packets between the main control board 14 and the service board 12.
  • the maximum number of slots supported by the multi-subrack communication device is fixed, which results in limited access and inconvenient management of the service board.
  • the communication between the main control board and the service board is implemented by adding a connection board, which can increase the number of accesses of the service boards of the communication device and facilitate the management of the service board.
  • the invention has simple implementation method and low cost, and can be widely applied to large-scale communication equipment.
  • the main control board 14 is installed in the main subrack
  • the connection board 16 is installed in the extension subrack
  • the service board 12 can be installed in the main subrack.
  • the rack can also be installed in the expansion subrack.
  • the connection board 16 includes a main connection board 162 and a backup connection board 164, wherein the main connection board 162 is connected to the first control interface of the main control board 14, and the backup connection board 164 is connected to the main control.
  • the protection capability of the device can be enhanced by extending the primary connection board 162 and the backup connection board 164.
  • the main control board 14 includes an active main control board 142 and a standby main control board 144.
  • the main main control board 142 is connected to the first connection interface of the connection board 16, and the standby main control board 144. Connected to the second connection interface of the connection board 16.
  • the protection capability of the device can be enhanced by extending the active main control board 142 and the standby main control board 144.
  • the connection rule between the primary connection board 162, the backup connection board 164, the primary main control board 142, and the standby main control board 144 is as follows: The network ports of the main control board are respectively connected to different connections. On the board, the multiple network ports of the main control board are not connected to the network port of the same connected board.
  • the main control board 14 and the connection board 16 are connected by Ethernet communication.
  • the communication between the main control board 14 and the connection board 16 can be improved by directly connecting the main control board 14 and the connection board 16 through the Ethernet communication mode.
  • one or more service boards 12 of the plurality of service boards 12 are located in the extension sub-rack, and one or more service boards 12 and the connection board 16 are connected by using one of the following communication modes: HDLC Communication method, Ethernet communication method.
  • the service board 12 and the connection board 16 are connected by using the HDLC communication mode or the Ethernet communication mode, and the service board 12 and the connection board 16 can be implemented on the basis of the existing HDLC communication mode. High-speed communication between.
  • the implementation process of the embodiment of the present invention will be described in detail below with reference to examples.
  • 2 is a structural block diagram of a multi-subrack communication device according to a preferred embodiment of the present invention. As shown in FIG. 2, a multi-subrack communication device when the connection board 202 and the service board 203 are in the same extension subrack is described.
  • the main control board 201 and the connection board 202 communicate with each other through an Ethernet.
  • the inter-board communication mode between the connection board 202 and the service board 203 in the same subrack is not limited.
  • the network mode can also be HDLC mode.
  • the service board that supports only the communication mode between the HDLC boards in the traditional communication device can be compatible.
  • the main control board 201 can represent the main standby two main control boards
  • the connection board 202 can represent the main standby two connected boards.
  • the packets of the main control board are sent to the active and standby boards.
  • the packets of the main control board are sent to the active main control board and the standby main control board.
  • 3 is a schematic diagram of a connection of a multi-subrack communication device according to a preferred embodiment of the present invention. As shown in FIG. 3, the network port 1 of the main control board 301 is connected to the network port 1 of the main connection board 303.
  • connection mode of the main control board 301 is connected to the No. 2 network port of the standby connection board 304.
  • the No. 1 network port of the standby main control board 302 is connected to the No. 1 network port of the main connection board 304.
  • the network port 2 of the main control board 302 is connected to the network port 2 of the standby connection board 303.
  • the connection between the main control board and the 1+1 active/standby communication of the connected board is implemented on the physical link. It should be noted that the connection mode shown in FIG. 3 is only one preferred embodiment of multiple connection modes between the main control board and the connection board. In practical applications, other connection manners that meet the foregoing connection rules are required. All should be included in the scope of protection of the present invention.
  • FIG. 4 is a flowchart of a communication method of a multi-subrack communication device according to an embodiment of the present invention. As shown in FIG. 4, the following steps S402 to S406 are included. Step S402: The connected board receives the message from the autonomous control board. Step S404: Connect the board to obtain the destination address carried in the packet. Step S406: The connected board forwards the packet to the service board corresponding to the destination address.
  • the invention realizes the communication between the main control board and the service board by performing relaying and forwarding of the message in the connected board, which not only takes the traditional HDLC communication mode, but also facilitates the expansion of the access of the subrack, thereby improving the system. Design flexibility.
  • the method before the connection of the board to the service board corresponding to the destination address, the method further includes: the connection board and the service board negotiate a communication mode, where the communication mode includes one of the following: HDLC communication mode, Ethernet Network communication mode; Connect the board in the address list, and record the negotiated communication mode.
  • the connection board forwards the packet to the service board corresponding to the destination address, including: the connection board is in the address list, and the communication mode between the board and the service board is found; The packet is forwarded to the service card corresponding to the destination address.
  • the method further includes: determining whether the destination address indicates the connected board itself; and if the determination result is yes, forwarding the packet to the application layer for processing, before the board is forwarded to the service board corresponding to the destination address. Otherwise, the operation of forwarding the packet to the service card corresponding to the destination address is performed.
  • the destination address includes the subrack number of the subrack to which the service board belongs and the slot number of the service board in the subrack.
  • the method further includes: starting a service board, a connection board, and a main control board before the connection board receives the message from the autonomous control board.
  • Step S502 receiving a message.
  • the connected board receives the packet from the Ethernet or HDLC bus.
  • the packet may be from the main control board 201, or may be from another connected board 202, or may be from the service board 203 in the subrack.
  • Step S504 determining whether the board is a main connection board, and if it is a main connection board, performing steps
  • step S506 If it is a standby connection board, step S508 is performed. Step S506, the message relay forwarding process, and the detailed process is shown in FIG. 6. Step S508, discarding the message.
  • the standby connection board does not process the packet, the packet is discarded, and the process ends.
  • FIG. 6 is a flowchart of packet relay forwarding according to a preferred embodiment of the present invention. As shown in FIG. 6, the following steps S602 to S608 are included. Step S602, parsing the destination address of the packet. The target subrack number and the destination slot number of the packet can be calculated based on the destination address information carried in the packet. Step S604, determining whether the packet needs to be forwarded.
  • FIG. 7 is a flowchart of a packet forwarding message according to a preferred embodiment of the present invention. As shown in FIG. 7, the following steps S702 to S718 are included. Step S702, parsing the destination address of the message. Some packets are sent to the service board in the extended subrack. The other packets are sent to the main control board.
  • Step S704 determining whether the destination address is a main control board. According to the packet forwarding rule, if the destination address of the packet is the main control board, the packet is sent to the main control board through Ethernet. Step S706 is performed. If the destination address is a board in the subrack, Step S708 is performed. Step S706: Send a message to the main control board. The packet is sent to the main control board through Ethernet. The process ends. Step S708, searching for the communication mode between the board and the target board. From the address list, search for the communication mode information currently negotiated between the board and the target board. The communication mode between the connected board and the target board may be HDLC or Ethernet. It needs to be negotiated by both parties. Step S710, determining whether the communication mode is determined.
  • step S712 If the communication mode information is found from the address list, indicating that the communication mode is determined, step S712 is performed; if not, step S714 is performed. Step S712, sending a message according to the negotiated communication mode. The packet is sent to the target board according to the negotiated communication mode, and the process ends. Step S714, sending a message according to a default communication manner. If the communication mode is not negotiated, the default communication mode is selected to send the packet.
  • the default communication mode can be HDLC or Ethernet. It can be configured.
  • Step S716 negotiating the communication mode. The connected board uses the communication mode of the Ethernet and HDLC to send packets requesting the negotiation mode between the boards. Step S718, recording the negotiation result.
  • the connected board After receiving the negotiation confirmation packet of the response of the target board, the connected board records the negotiated communication mode information in the address list, and the process ends.
  • the steps shown in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and, although the logical order is shown in the flowchart, in some cases, The steps shown or described may be performed in an order different than that herein.
  • the embodiment of the invention provides a communication device of a multi-subrack communication device, and the communication device of the multi-subrack communication device can be used to implement the communication method of the multi-subrack communication device.
  • the receiving module 81 is configured to receive a message from the main control board; the obtaining module 82 is connected to the receiving module
  • the first forwarding module 83 is configured to obtain the destination address carried by the receiving module 81.
  • the first forwarding module 83 is connected to the receiving module 81 and the obtaining module 82, and is configured to forward the packet received by the receiving module 81 to the acquiring module 82.
  • Service board corresponding to the destination address.
  • the first forwarding module 83 performs the relaying and forwarding of the message in the connected card, and realizes the communication between the main control board and the service board, which not only takes the traditional HDLC communication mode, but also facilitates the expansion of the subrack access. , thus increasing the flexibility of system design.
  • the invention has simple implementation method and low cost, and can be widely applied to large-scale communication equipment.
  • FIG. 9 is a block diagram 1 of a communication apparatus of a multi-subrack communication device in accordance with a preferred embodiment of the present invention.
  • the communication device of the multi-subrack communication device further includes a negotiation module 84 and a recording module 85.
  • the negotiation module 84 is configured to negotiate a communication mode with the service board, where the communication mode includes one of the following: an HDLC communication mode and an Ethernet communication mode; the recording module 85 is connected to the negotiation module 84, and is set to be in the address list, and the record negotiation is performed.
  • the communication mode negotiated by module 84 is a block diagram showing the structure of a communication apparatus of a multi-subrack communication device in accordance with a preferred embodiment of the present invention.
  • the first forwarding module 83 includes a lookup submodule 831 and a forwarding submodule 832.
  • the structure is described in detail below.
  • the search sub-module 831 is configured to search for a communication mode between the self and the service board in the address list
  • the forwarding sub-module 832 is connected to the search sub-module 831 and configured to use the search sub-module 831 to find the communication mode.
  • the file is forwarded to the service card corresponding to the destination address.
  • 11 is a block diagram 3 of a communication apparatus of a multi-subrack communication device in accordance with a preferred embodiment of the present invention.
  • the communication device of the multi-subrack communication device further includes a judging module 86 and a second forwarding module 87.
  • the determining module 86 is configured to determine whether the destination address indicates the connection of the board itself; the second forwarding module 87 is connected to the determining module 86, and is configured to forward the message to the application layer when the determining result of the determining module 86 is yes. .
  • the invention realizes the communication between the main control board and the service board by adding the connection board, and can increase the number of accesses of the service board of the communication device, and facilitate the management of the service board.
  • the invention has simple implementation method and low cost, and can be widely applied to large-scale communication equipment.
  • the communication device of the multi-subrack communication device described in the device embodiment corresponds to the foregoing method embodiment, and the specific implementation process has been described in detail in the method embodiment, and details are not described herein again.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.

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Abstract

本发明公开了一种多子架通信设备、多子架通信设备的通信方法及装置,该多子架通信设备包括:多个业务单板,多个业务单板中的每一个业务单板均设置为进行业务处理;主控制单板,设置为控制、管理多个业务单板;连接单板,连接至该主控制单板与多个业务单板中的每一个业务单板,设置为转发主控制单板与业务单板之间的报文。本发明可以增加通信设备的业务单板的接入数量,方便业务单板的管理。本发明实施方法简单,费用成本低,可以广泛应用于大型的通信设备中。

Description

多子架通信设备、 多子架通信设备的通信方法及装置 技术领域 本发明涉及通信领域, 具体而言, 涉及一种多子架通信设备、 多子架通信设备的 通信方法及装置。 背景技术 目前, 在多子架通信设备中, 通常包括一个标准子架和若干个扩展子架。 标准子 架一般称为主子架, 它负责控制、 管理和配置各子架上的业务单板。 扩展子架的主要 作用是扩展通信设备电接入能力以及数据业务接入能力。 具体地, 主子架上一般安装 有主控制单板, 应用通常通过主控制单板实现对其他单板的控制, 从而实现用户对整 个系统的管理。 为了实现主控制单板与各业务单板间的通信, 在传统的通信设备中, 广泛使用了 基于高级数据链路控制 (High-Level Data Link Control, 简称为 HDLC) 协议的板间通 信方式。 但是, 这种通信方式不够灵活, 当背板支持的最大槽位数固定时, 很难扩展 更多的槽位, 同时, 这种通信方式导致扩展子架管理不便。 发明内容 本发明的提供了一种多子架通信设备、 多子架通信设备的通信方法及装置, 以解 决上述相关技术中业务单板的接入数量有限、 管理不便的问题。 根据本发明的一个方面, 提供了一种多子架通信设备。 根据本发明的多子架通信设备包括: 多个业务单板, 多个业务单板中的每一个业 务单板均设置为进行业务处理; 主控制单板, 设置为控制、 管理多个业务单板; 连接 单板, 连接至该主控制单板与多个业务单板中的每一个业务单板, 设置为转发主控制 单板与业务单板之间的报文。 优选地, 连接单板包括主用连接单板和备用连接单板, 其中主用连接单板连接至 主控制单板的第一控制接口, 备用连接单板连接至主控制单板的第二控制接口。 优选地, 主控制单板包括主用主控制单板和备用主控制单板, 其中主用主控制单 板连接至连接单板的第一连接接口,备用主控制单板连接至连接单板的第二连接接口。 优选地, 在主控制单板位于主子架并且连接单板位于扩展子架的情况下, 通过以 太网通信方式对主控制单板与连接单板进行连接。 优选地, 多个业务单板中的一个或多个业务单板位于扩展子架, 通过包括以下之 一的通信方式对一个或多个业务单板与连接单板进行连接: HDLC通信方式、 以太网 通信方式。 根据本发明的另一个方面, 提供了一种多子架通信设备的通信方法。 根据本发明的多子架通信设备的通信方法包括: 连接单板接收到来自主控制单板 的报文; 连接单板获取报文携带的目的地址; 连接单板将报文转发给目的地址对应的 业务单板。 优选地, 在连接单板将报文转发给目的地址对应的业务单板之前, 上述方法还包 括: 连接单板与业务单板协商通信方式, 其中通信方式包括以下之一: HDLC通信方 式、 以太网通信方式; 连接单板在地址链表中, 记录协商的通信方式。 优选地, 连接单板将报文转发给目的地址对应的业务单板包括: 连接单板在地址 链表中, 查找自身与业务单板之间的通信方式; 连接单板使用查找的通信方式, 将报 文转发给目的地址对应的业务单板。 优选地, 在连接单板将报文转发给目的地址对应的业务单板之前, 上述方法还包 括: 判断目的地址是否指示连接单板自身; 如果判断结果为是, 则转发报文给应用层 处理, 否则执行将报文转发给目的地址对应的业务单板的操作。 优选地, 目的地址包括业务单板所属的子架的子架号以及业务单板在子架中的槽 位号。 根据本发明的又一个方面, 提供了一种多子架通信设备的通信装置。 根据本发明的多子架通信设备的通信装置包括: 接收模块, 设置为接收来自主控 制单板的报文; 获取模块, 设置为获取报文携带的目的地址; 第一转发模块, 设置为 将报文转发给目的地址对应的业务单板。 优选地, 多子架通信设备的通信装置还包括: 协商模块, 设置为与业务单板协商 通信方式, 其中通信方式包括以下之一: HDLC通信方式、 以太网通信方式; 记录模 块, 用于在地址链表中, 记录协商的通信方式。 优选地, 第一转发模块包括: 查找子模块, 设置为在地址链表中, 查找自身与业 务单板之间的通信方式; 转发子模块, 设置为使用查找的通信方式, 将报文转发给目 的地址对应的业务单板。 优选地, 上述多子架通信设备的通信装置还包括: 判断模块, 设置为判断目的地 址是否指示连接单板自身; 第二转发模块, 设置为在判断结果为是的情况下, 转发报 文给应用层处理。 本发明通过增加连接单板而实现主控制单板和业务单板的通信, 可以增加通信设 备的业务单板的接入数量, 方便业务单板的管理。本发明实施方法简单, 费用成本低, 可以广泛应用于大型的通信设备中。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发 明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图 中: 图 1是根据本发明实施例的多子架通信设备的结构框图; 图 2是根据本发明优选实施例的多子架通信设备的结构框图; 图 3是根据本发明优选实施例的多子架通信设备的连接的示意图; 图 4是根据本发明实施例的多子架通信设备的通信方法的流程图; 图 5是根据本发明优选实施例的连接单板处理报文的流程图; 图 6是根据本发明优选实施例的报文中继转发的流程图; 图 7是根据本发明优选实施例的连接单板转发报文的流程图; 图 8是根据本发明实施例的多子架通信设备的通信装置的结构框图; 图 9是根据本发明优选实施例的多子架通信设备的通信装置的结构框图一; 图 10是根据本发明优选实施例的多子架通信设备的通信装置的结构框图二; 图 11是根据本发明优选实施例的多子架通信设备的通信装置的结构框图三。 具体实施方式 需要说明的是, 在不冲突的情况下, 本申请中的实施例及实施例中的特征可以相 互组合。 下面将参考附图并结合实施例来详细说明本发明。 本发明提供了一种多子架通信设备。 图 1是根据本发明实施例的多子架通信设备 的结构框图, 如图 1所示, 包括多个业务单板 12, 主控制单板 14和连接单板 16。 下 面对其结构进行详细描述。 多个业务单板 12, 其中的每一个业务单板 12均设置为进行业务处理; 主控制单 板 14, 设置为控制、 管理多个业务单板 12; 连接单板 16, 连接至主控制单板 14与多 个业务单板 12中的每一个业务单板 12, 设置为转发主控制单板 14与业务单板 12之 间的报文。 相关技术中, 多子架通信设备支持的最大槽位数固定, 从而导致业务单板的接入 数量有限、 管理不便。 本优选实施例中, 通过增加连接单板而实现主控制单板和业务 单板的通信, 可以增加通信设备的业务单板的接入数量, 方便业务单板的管理。 本发 明实施方法简单, 费用成本低, 可以广泛应用于大型的通信设备中。 优选地,在多子架包括一个主子架和多个扩展子架的情况下, 主控制单板 14安装 在主子架中, 连接单板 16安装在扩展子架, 业务单板 12可以安装在主子架中也可以 安装在扩展子架中。 优选地, 连接单板 16包括主用连接单板 162和备用连接单板 164, 其中主用连接 单板 162连接至主控制单板 14的第一控制接口,备用连接单板 164连接至主控制单板 14的第二控制接口。本优选实施例中,通过扩展主用连接单板 162和备用连接单板 164 可以增强设备的保护能力。 优选地, 主控制单板 14包括主用主控制单板 142和备用主控制单板 144, 其中主 用主控制单板 142连接至连接单板 16的第一连接接口,备用主控制单板 144连接至连 接单板 16的第二连接接口。本优选实施例中,通过扩展主用主控制单板 142和备用主 控制单板 144可以增强设备的保护能力。 另外, 上述主用连接单板 162、备用连接单板 164、主用主控制单板 142和备用主 控制单板 144之间的连接规则是: 主控制单板的网口分别连接到不同的连接单板上, 不允许主控制单板的多个网口同时连接到同一块连接单板的网口上。 优选地, 在主控制单板 14位于主子架并且连接单板 16位于扩展子架的情况下, 通过以太网通信方式对主控制单板 14与连接单板 16进行连接。 本优选实施例中, 通 过以太网通信方式直接连接主控制单板 14与连接单板 16, 可以提高主控制单板 14与 连接单板 16的通信效率。 优选地, 多个业务单板 12中的一个或多个业务单板 12位于扩展子架, 通过包括 以下之一的通信方式对一个或多个业务单板 12与连接单板 16进行连接: HDLC通信 方式、 以太网通信方式。 本优选实施例中, 通过 HDLC通信方式或者太网通信方式连 接业务单板 12与连接单板 16, 可以在兼顾现有的 HDLC通信方式的基础上, 实现业 务单板 12与连接单板 16之间的高速通信。 下面将结合实例对本发明实施例的实现过程进行详细描述。 图 2是根据本发明优选实施例的多子架通信设备的结构框图, 如图 2所示, 描述 了连接单板 202和业务单板 203处于同一扩展子架时的多子架通信设备。 其中, 主控 制单板 201与连接单板 202之间通过以太网的方式进行通信, 连接单板 202与同一子 架内的业务单板 203之间的板间通信方式不限,既可以是以太网方式,也可以是 HDLC 方式。 通过这种结构, 就可以兼容传统通信设备中只支持 HDLC板间通信方式的业务单 板。需要说明的是,主控制单板 201可以代表主用备用两块主控制单板,连接单板 202 可以代表主用备用两块连接单板。 主用主控制单板的报文同时发给主用连接单板和备 用连接单板, 主用连接单板的报文同时发给主用主控制单板和备用主控制单板。 图 3是根据本发明优选实施例的多子架通信设备的连接的示意图, 如图 3所示, 主用主控制单板 301的 1号网口连接主用连接单板 303的 1号网口, 主用主控制单板 301的 2号网口连接备用连接单板 304的 2号网口, 备用主控制单板 302的 1号网口 连接主用连接单板 304的 1号网口, 备用主控制单板 302的 2号网口连接备用连接单 板 303的 2号网口。 通过这种连接方式, 在物理链路上实现了主控制单板与连接单板 1+1主备通信的连接。 需要说明的是, 图 3所示的连接方式仅仅是主控制单板与连接 单板之间多种连接方式中的一种优选的实施方式, 实际应用中, 凡是符合上述连接规 则的其它连接方式, 均应当纳入本发明的保护范围。 本发明还提供了一种多子架通信设备的通信方法。 图 4是根据本发明实施例的多 子架通信设备的通信方法的流程图, 如图 4所示, 包括如下的步骤 S402至步骤 S406。 步骤 S402, 连接单板接收到来自主控制单板的报文。 步骤 S404, 连接单板获取报文携带的目的地址。 步骤 S406, 连接单板将报文转发给目的地址对应的业务单板。 本发明通过在连接单板中进行报文中继转发, 实现了主控制单板和业务单板的通 信, 既兼顾了传统的 HDLC通信方式, 又便于扩展子架的接入, 从而提高了系统设计 的灵活性。 本发明实施方法简单, 费用成本低, 可以广泛应用于大型的通信设备中。 优选地, 在连接单板将报文转发给目的地址对应的业务单板之前, 上述方法还包 括: 连接单板与业务单板协商通信方式, 其中通信方式包括以下之一: HDLC通信方 式、 以太网通信方式; 连接单板在地址链表中, 记录协商的通信方式。 优选地, 连接单板将报文转发给目的地址对应的业务单板包括: 连接单板在地址 链表中, 查找自身与业务单板之间的通信方式; 连接单板使用查找的通信方式, 将报 文转发给目的地址对应的业务单板。 优选地, 在连接单板将报文转发给目的地址对应的业务单板之前, 上述方法还包 括: 判断目的地址是否指示连接单板自身; 如果判断结果为是, 则转发报文给应用层 处理, 否则执行将报文转发给目的地址对应的业务单板的操作。 优选地, 目的地址包括业务单板所属的子架的子架号以及业务单板在子架中的槽 位号。 优选地, 在连接单板接收到来自主控制单板的报文之前, 上述方法还包括: 启动 业务单板、 连接单板和主控制单板。 下面将结合实例对本发明实施例的实现过程进行详细描述。 图 5是根据本发明优选实施例的连接单板处理报文的流程图, 如图 5所示, 包括 如下的步骤 S502至步骤 S508。 步骤 S502, 接收报文。连接单板从以太网或 HDLC总线上接收报文, 报文可能来 自主控制单板 201, 也可能来自其它连接单板 202, 还可能来自本子架内的业务单板 203。 步骤 S504, 判断本板是否为主用连接单板, 如果是主用连接单板, 则执行步骤
S506, 如果是备用连接单板, 则执行步骤 S508。 步骤 S506, 报文中继转发处理, 详细流程见图 6的说明。 步骤 S508, 丢弃报文。 备用连接单板不处理报文, 报文被丢弃, 流程结束。 图 6是根据本发明优选实施例的报文中继转发的流程图, 如图 6所示, 包括如下 的步骤 S602至步骤 S608。 步骤 S602, 解析报文目的地址。 根据报文中携带的目标地址信息, 可以计算出报 文的目标子架号和目标槽位号。 步骤 S604,判断报文是否需要转发。如果报文的目的地址不是本板,则需要转发, 执行步骤 S606; 如果目的地址是本板, 则不需要转发, 执行步骤 S608。 步骤 S606, 转发报文, 详细流程见图 7的说明。 步骤 S608, 把报文发送给应用层处理, 流程结束。 图 7是根据本发明优选实施例的连接单板转发报文的流程图, 如图 7所示, 包括 如下的步骤 S702至步骤 S718。 步骤 S702, 解析报文目的地址。 有些报文是主控制单板发送给扩展子架中的业务 单板的, 有些报文是本子架中的其它单板发送给主控制单板的。 步骤 S704, 判断目的地址是否为主控制单板。 根据报文转发规则, 如果报文的目 的地址为主控制单板,则通过以太网的方式将报文发送给主控制单板,执行步骤 S706; 如果目的地址为本子架内的单板, 则执行步骤 S708。 步骤 S706,发送报文给主控制单板。通过以太网的方式将报文发送给主控制单板, 流程结束。 步骤 S708, 查找本板与目标单板的通信方式。 从地址链表中, 查找本单板与目标 单板当前协商的通信方式信息。 连接单板与目标单板之间通信方式, 可能是 HDLC的 方式, 也可能是以太网的方式, 需要通信双方协商。 步骤 S710, 判断通信方式是否确定。 如果从地址链表中找到通信方式信息, 表示 通信方式是确定的, 则执行步骤 S712; 如果没有找到, 则执行步骤 S714。 步骤 S712, 按协商的通信方式发送报文。 根据协商的通信方式, 发送报文到目标 单板, 流程结束。 步骤 S714, 按缺省的通信方式发送报文。 在通信方式未协商的情况下, 选择缺省 的通信方式发送报文。缺省的通信方式可以是 HDLC的方式,也可以是以太网的方式, 可以配置。 步骤 S716, 协商通信方式。连接单板同时使用以太网和 HDLC的通信方式, 主动 向目标单板发送请求协商板间通信方式的报文。 步骤 S718, 记录协商结果。 连接单板接收到目标单板应答的协商确认报文后, 把 协商的通信方式信息记录在地址链表中, 流程结束。 需要说明的是, 在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的 计算机系统中执行, 并且, 虽然在流程图中示出了逻辑顺序, 但是在某些情况下, 可 以以不同于此处的顺序执行所示出或描述的步骤。 本发明实施例提供了一种多子架通信设备的通信装置, 该多子架通信设备的通信 装置可以用于实现上述多子架通信设备的通信方法。 图 8是根据本发明实施例的多子 架通信设备的通信装置的结构框图, 包括接收模块 81, 获取模块 82和第一转发模块 83。 下面对其结构进行详细描述。 接收模块 81, 设置为接收来自主控制单板的报文; 获取模块 82, 连接至接收模块
81, 设置为获取接收模块 81接收的报文携带的目的地址; 第一转发模块 83, 连接至 接收模块 81和获取模块 82, 设置为将接收模块 81接收的报文转发给获取模块 82获 取的目的地址对应的业务单板。 本发明通过第一转发模块 83在连接单板中进行报文中继转发,实现了主控制单板 和业务单板的通信, 既兼顾了传统的 HDLC通信方式, 又便于扩展子架的接入, 从而 提高了系统设计的灵活性。 本发明实施方法简单, 费用成本低, 可以广泛应用于大型 的通信设备中。 图 9是根据本发明优选实施例的多子架通信设备的通信装置的结构框图一。 优选地, 多子架通信设备的通信装置还包括协商模块 84和记录模块 85。 下面对 其结构进行详细描述。 协商模块 84, 设置为与业务单板协商通信方式, 其中通信方式包括以下之一: HDLC通信方式、 以太网通信方式; 记录模块 85, 连接至协商模块 84, 设置为在地址 链表中, 记录协商模块 84协商的通信方式。 图 10是根据本发明优选实施例的多子架通信设备的通信装置的结构框图二。 优选地, 第一转发模块 83包括查找子模块 831和转发子模块 832。 下面对其结构 进行详细描述。 查找子模块 831, 设置为在地址链表中, 查找自身与业务单板之间的通信方式; 转发子模块 832,连接至查找子模块 831,设置为使用查找子模块 831查找的通信方式, 将报文转发给目的地址对应的业务单板。 图 11是根据本发明优选实施例的多子架通信设备的通信装置的结构框图三。 优选地, 多子架通信设备的通信装置还包括判断模块 86和第二转发模块 87。 下 面对其结构进行详细描述。 判断模块 86, 设置为判断目的地址是否指示连接单板自身; 第二转发模块 87, 连 接至判断模块 86, 设置为在判断模块 86的判断结果为是的情况下, 转发报文给应用 层处理。 综上所述, 根据本发明的上述实施例, 提供了一种多子架通信设备、 多子架通信 设备的通信方法及装置。 本发明通过增加连接单板而实现主控制单板和业务单板的通 信, 可以增加通信设备的业务单板的接入数量, 方便业务单板的管理。 本发明实施方 法简单, 费用成本低, 可以广泛应用于大型的通信设备中。 需要说明的是, 装置实施例中描述的多子架通信设备的通信装置对应于上述的方 法实施例, 其具体的实现过程在方法实施例中已经进行过详细说明, 在此不再赘述。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可以用通用 的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布在多个计算装置所 组成的网络上, 可选地, 它们可以用计算装置可执行的程序代码来实现, 从而, 可以 将它们存储在存储装置中由计算装置来执行, 或者将它们分别制作成各个集成电路模 块, 或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。 这样, 本发明 不限制于任何特定的硬件和软件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的 任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权 利 要 求 书
1. 一种多子架通信设备, 包括:
多个业务单板, 所述多个业务单板中的每一个业务单板均设置为进行业务 处理;
主控制单板, 设置为控制、 管理所述多个业务单板;
连接单板, 连接至所述主控制单板与所述多个业务单板中的每一个业务单 板, 设置为转发所述主控制单板与所述业务单板之间的报文。
2. 根据权利要求 1所述的多子架通信设备, 其中, 所述连接单板包括主用连接单 板和备用连接单板, 其中所述主用连接单板连接至所述主控制单板的第一控制 接口, 所述备用连接单板连接至所述主控制单板的第二控制接口。
3. 根据权利要求 1所述的多子架通信设备, 其中, 所述主控制单板包括主用主控 制单板和备用主控制单板, 其中所述主用主控制单板连接至所述连接单板的第 一连接接口, 所述备用主控制单板连接至所述连接单板的第二连接接口。
4. 根据权利要求 1所述的多子架通信设备, 其中, 在所述主控制单板位于主子架 并且所述连接单板位于扩展子架的情况下, 通过以太网通信方式对所述主控制 单板与所述连接单板进行连接。
5. 根据权利要求 4所述的多子架通信设备, 其中, 所述多个业务单板中的一个或 多个业务单板位于所述扩展子架, 通过包括以下之一的通信方式对所述一个或 多个业务单板与所述连接单板进行连接: 高级数据链路控制 HDLC通信方式、 以太网通信方式。
6. 一种多子架通信设备的通信方法, 包括:
连接单板接收到来自主控制单板的报文;
所述连接单板获取所述报文携带的目的地址;
所述连接单板将所述报文转发给所述目的地址对应的业务单板。
7. 根据权利要求 6所述的方法, 其中, 在所述连接单板将所述报文转发给所述目 的地址对应的业务单板之前, 所述方法还包括: 所述连接单板与所述业务单板协商通信方式, 其中所述通信方式包括以下 之一: 高级数据链路控制 HDLC通信方式、 以太网通信方式;
所述连接单板在地址链表中, 记录所述协商的通信方式。
8. 根据权利要求 7所述的方法, 其中, 所述连接单板将所述报文转发给所述目的 地址对应的业务单板包括:
所述连接单板在所述地址链表中, 查找自身与所述业务单板之间的通信方 式;
所述连接单板使用所述查找的通信方式, 将所述报文转发给所述目的地址 对应的业务单板。
9. 根据权利要求 6所述的方法, 其中, 在所述连接单板将所述报文转发给所述目 的地址对应的业务单板之前, 所述方法还包括:
判断所述目的地址是否指示所述连接单板自身;
如果判断结果为是, 则转发所述报文给应用层处理, 否则执行将所述报文 转发给所述目的地址对应的业务单板的操作。
10. 根据权利要求 6至 9中任一项所述的方法, 其中, 所述目的地址包括所述业务 单板所属的子架的子架号以及所述业务单板在所述子架中的槽位号。
11. 一种多子架通信设备的通信装置, 包括:
接收模块, 设置为接收来自主控制单板的报文;
获取模块, 设置为获取所述报文携带的目的地址;
第一转发模块, 设置为将所述报文转发给所述目的地址对应的业务单板。
12. 根据权利要求 11所述的装置, 其中, 所述多子架通信设备的通信装置还包括: 协商模块, 设置为与所述业务单板协商通信方式, 其中所述通信方式包括 以下之一: 高级数据链路控制 HDLC通信方式、 以太网通信方式;
记录模块, 设置为在地址链表中, 记录所述协商的通信方式。
13. 根据权利要求 12所述的装置, 其中, 所述第一转发模块包括:
查找子模块, 设置为在所述地址链表中, 查找自身与所述业务单板之间的 通信方式; 转发子模块, 设置为使用所述查找的通信方式, 将所述报文转发给所述目 的地址对应的业务单板。
14. 根据权利要求 11所述的装置, 其中, 还包括:
判断模块, 设置为判断所述目的地址是否指示所述连接单板自身; 第二转发模块, 设置为在判断结果为是的情况下, 转发所述报文给应用层 处理。
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