WO2013189067A1 - Router supporting multiple slots - Google Patents

Router supporting multiple slots Download PDF

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Publication number
WO2013189067A1
WO2013189067A1 PCT/CN2012/077324 CN2012077324W WO2013189067A1 WO 2013189067 A1 WO2013189067 A1 WO 2013189067A1 CN 2012077324 W CN2012077324 W CN 2012077324W WO 2013189067 A1 WO2013189067 A1 WO 2013189067A1
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WO
WIPO (PCT)
Prior art keywords
slot
router
polygon
circuit board
board
Prior art date
Application number
PCT/CN2012/077324
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French (fr)
Chinese (zh)
Inventor
王重阳
潘元承
田雨
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.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/077324 priority Critical patent/WO2013189067A1/en
Priority to CN201280001166.4A priority patent/CN102893564B/en
Publication of WO2013189067A1 publication Critical patent/WO2013189067A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane

Definitions

  • the present invention relates to the field of router technologies, and in particular, to a router supporting multiple slots. Background technique
  • a router is one of the most important network devices in the Internet. It is mainly used to complete route forwarding and protocol conversion between different interfaces.
  • the capacity of a router, especially a service slot resource, is an important indicator of router performance. More business slots mean more room for expansion and can meet the needs of users' business upgrades and developments.
  • FIG. 1 shows a schematic diagram of a router supporting 16 slots. There are two rows. Four SFUs in each row are placed in the middle position, and four LPUs are placed on the left and right sides of the SFU. If more slots are supported, you need to continue to increase the LPU on both sides of the SFU, so that the length of the high-speed link between the SFU and the LPU increases accordingly. As the performance of the high-speed link deteriorates with the increase of the length, the number of slots supported by the router is limited. Currently, there are generally no more than 20 slots.
  • the embodiment of the present invention provides a router that supports multiple slots.
  • the technical solution is as follows:
  • a router supporting multiple slots includes: a circuit board and a slot group, the slot group includes at least three slot units, each slot unit includes at least one slot, and the at least three The slot unit forms a polygon on the side of the backboard, and the circuit board is inserted in a slot in the slot unit.
  • any two of the circuit boards are interconnected with each other.
  • the polygon formed by the slot unit in the slot group on the side of the backplane is in a shape close to a semi-ellipse or a semi-circle.
  • the router further includes: a switching network board, where the switching network board is located outside the polygon, is inserted in a slot in the slot unit, and is connected to the circuit board.
  • the router further includes: a switching network board, the switching network board is located inside the polygon, and is connected to the circuit board.
  • the circuit board has a rectangular cross section, a rectangular shape, a trapezoidal shape or a trapezoidal shape.
  • the cross section of the exchange stencil is a rectangular shape, a rectangular-like shape, a trapezoidal shape or a trapezoid-like shape.
  • the distance between the two waists of the trapezoid or near trapezoidal shape is smaller and closer to the polygon.
  • the circuit boards are connected by a cable, a fiber optic cable, or a printed circuit board.
  • the switching network board and the circuit board are connected by a cable, a fiber optic cable, or a printed circuit board.
  • At least three slot units are set in the slot group of the router, and the slot unit is formed into a polygon on the backplane side, and the circuit board is inserted into the slot in the slot group, and is formed with respect to the circuit board.
  • the row can accommodate more boards, so that a single router can support more slots.
  • the switching board can be placed inside the polygon, thereby shortening the length of the link between the switching board and the board, and improving Link performance.
  • FIG. 1 is a schematic diagram of a router provided by the prior art
  • FIG. 2 is a schematic diagram of a router according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a router in which a switching network board is disposed outside a polygon according to another embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a router in which a switching network board is placed inside a polygon according to another embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a router with a trapezoidal cross section of a circuit board according to another embodiment of the present invention. detailed description
  • an embodiment of the present invention provides a router that supports multiple slots, including: a circuit board 20 and a slot group 10, and the slot group 10 includes at least three slot units, each slot.
  • the unit includes at least one slot, the above
  • the slot units in the slot group 10 form a polygon on the backplane side, and the circuit board 20 is inserted in the slot in the slot group 10.
  • the circuit board 20 can have one or at least two. When there are at least two of the circuit boards 20, any two of the circuit boards may be interconnected with each other. For example, any two boards can be connected by cable or fiber optic cable.
  • the circuit board 20 in this embodiment has functions including: encapsulation and processing of multiple link layer protocols; packet flow classification and packet filtering, for user traffic monitoring and access control lists; data cache management and The scheduling function performs data forwarding according to the forwarding table; identifies the control protocol packet, and forwards it to the main CPU through the non-linear processing interface.
  • the router further includes: a switching network board 30, and the switching network board 30 is mainly used for data exchange.
  • the switching network board 30 has two placement modes:
  • the switching stencil 30 may be located outside the polygon, inserted in the slot in the slot group 10, and connected to the circuit board.
  • each switching network board can be connected to any one of the circuit boards, and only a partial connection relationship is schematically shown in FIG.
  • the switching stencil 30 can be located inside the polygon and connected to the board.
  • a switching stencil slot can be placed inside the polygon, and the switching stencil 30 can be inserted in the switching stencil slot.
  • the switching network board and the circuit board can be connected by one or more of a cable, a fiber optic cable, or a printed circuit board.
  • the length of the link connecting the switching network board 30 and the circuit board 20 can be shortened, and the link performance can be improved. Since the length of the link between the connection switching network board and the circuit board is shortened, for example, when the link is an optical cable, the power, dispersion, and the like of the optical cable are required to be lower, and the cost of the interconnection is correspondingly reduced; Ground, when the link is a cable, the cost of the interconnection can also be reduced.
  • the cross section of the circuit board 20 may be any shape that can be inserted in the slot, but is generally rectangular, trapezoidal or trapezoid-like.
  • the polygon formed on the back panel side of the slot group 10 is a shape close to a semi-ellipse or a semi-circle.
  • the circuit board 20 can be set to have a cross section. a trapezoidal or trapezoidal shape such that the distance between the two portions of the trapezoidal or trapezoidal shape that are closer to the polygon is smaller than the distance between the portions farther from the polygon, thereby making better use of space,
  • the unit backplane size accommodates more boards.
  • the switching stencil 30 and the circuit board 20 can also be any shape that can be inserted into the slot, but is generally rectangular, trapezoidal or trapezoidal.
  • the exchange mesh 30 may be provided in a trapezoidal or trapezoidal-like shape such that the trapezoid or a trapezoid-like shape The distance between the two parts of the waist that are closer to the polygon than the part farther from the polygon Small, so that better use of space, accommodate more switching network boards in the unit backplane size.
  • the router in the embodiment of the present invention may further include an MPU (Main Processing Unit) responsible for routing protocol processing and device management.
  • MPU Main Processing Unit
  • the shape of the main control board may be the same as that of the circuit board 20 or the exchange network board 30, and details are not described herein again.
  • At least three slot units are set in the slot group of the router, and the slot unit is formed into a polygon on the backplane side, and the circuit board is inserted in the slot in the slot group, and is arranged in a row with respect to the circuit board. Placed to accommodate more boards, so that a single router supports more slots; in addition, the switching board can be placed inside the polygon, thus shortening the length of the link between the switching board and the board, and improving the chain Road performance.

Abstract

The present invention relates to the technical field of routers. Disclosed is a router supporting multiple slots. The router comprises: a line processing unit (20) and a slot group set (10). The slot group set (10) comprises at least three slot units. Each slot unit comprises at least one slot. The at least three slot units form a polygon on the backplane side. The line processing unit (20) is outside the polygon, and is inserted in the slot of the slot unit. According to the solution, the slot group set (10) of the router is provided with at least three slot units, the slot units form a polygon on the backplane side, the line processing unit (20) is placed outside the polygon and is inserted in the slot of the slot group set (10), so as to be able to accommodate more line processing units (20) than row-by-row arrangement of the line processing units (20), thereby enabling a single router to support more slots.

Description

一种支持多槽位的路由器 技术领域  A router supporting multiple slots
本发明涉及路由器技术领域， 特别涉及一种支持多槽位的路由器。 背景技术  The present invention relates to the field of router technologies, and in particular, to a router supporting multiple slots. Background technique
路由器是互联网中重要的网络设备之一， 主要用于完成路由转发和不同接口之间的协 议转换等。 路由器的容量特别是业务槽位资源， 是衡量路由器性能的一个重要指标。 更多 的业务槽位意味着更大的扩容空间， 能够满足用户业务升级和发展方面的需求。  A router is one of the most important network devices in the Internet. It is mainly used to complete route forwarding and protocol conversion between different interfaces. The capacity of a router, especially a service slot resource, is an important indicator of router performance. More business slots mean more room for expansion and can meet the needs of users' business upgrades and developments.
目前在路由器中， 用于数据转发的 LPU (Line Processing Unit, 线路板） 和用于数据 交换的 SFU (Switch Fabric Unit, 交换网板） 在系统平面背板上成排放置， SFU和 LPU之 间通过系统背板上的高速链路连接。 图 1所示是路由器支持 16槽位的示意图， 共有两排， 每一排中 4个 SFU放置在中间位置， SFU左右两侧各放置 4个 LPU。 如果支持更多槽位， 则 需要在 SFU两侧继续增加 LPU, 这样 SFU和 LPU之间高速链路的长度也会相应增加。 由于高 速链路的性能随着长度增加会恶化， 因此路由器支持槽位的数量就会受到限制， 目前一般 不超过 20个槽位。  Currently, in the router, the LPU (Line Processing Unit) for data forwarding and the SFU (Switch Fabric Unit) for data exchange are placed in a row on the system plane backplane, between the SFU and the LPU. Connected via a high-speed link on the system's backplane. Figure 1 shows a schematic diagram of a router supporting 16 slots. There are two rows. Four SFUs in each row are placed in the middle position, and four LPUs are placed on the left and right sides of the SFU. If more slots are supported, you need to continue to increase the LPU on both sides of the SFU, so that the length of the high-speed link between the SFU and the LPU increases accordingly. As the performance of the high-speed link deteriorates with the increase of the length, the number of slots supported by the router is limited. Currently, there are generally no more than 20 slots.
虽然可以采用多框集群系统扩展槽位数量， 但是需要引入中央交换框和光互连器件， 这样每个线路板分摊的功耗和成本都比单框系统大幅度上升， 实际应用中难以大量部署。 因此， 如何在单个路由器设备中支持更多的槽位， 而现有技术还没有相应的解决方案。 发明内容  Although a multi-chassis cluster system can be used to expand the number of slots, a central switch chassis and optical interconnect devices need to be introduced, so that the power consumption and cost of each circuit board are significantly higher than that of the single-frame system, and it is difficult to deploy in large quantities in practical applications. Therefore, how to support more slots in a single router device, and there is no corresponding solution in the prior art. Summary of the invention
为了解决单个路由器中支持更多槽位的问题， 本发明实施例提供了一种支持多槽位的 路由器。 所述技术方案如下：  In order to solve the problem of supporting more slots in a single router, the embodiment of the present invention provides a router that supports multiple slots. The technical solution is as follows:
一种支持多槽位的路由器， 路由器包括： 线路板和槽位群组， 所述槽位群组包括至少 三个槽位单元， 每个槽位单元包括至少一个槽位， 所述至少三个槽位单元在背板侧组成多 边形， 所述线路板插在所述槽位单元中的槽位里。  A router supporting multiple slots, the router includes: a circuit board and a slot group, the slot group includes at least three slot units, each slot unit includes at least one slot, and the at least three The slot unit forms a polygon on the side of the backboard, and the circuit board is inserted in a slot in the slot unit.
可选的， 所述线路板有两个以上时， 所述线路板中的任意两个彼此互连。  Optionally, when there are more than two circuit boards, any two of the circuit boards are interconnected with each other.
可选的， 所述槽位群组中的所述槽位单元在背板侧组成的所述多边形为接近半椭圆或 接近半圆的形状。 可选的， 所述路由器还包括： 交换网板， 所述交换网板位于所述多边形外侧， 插在所 述槽位单元中的槽位里并且与所述线路板连接。 Optionally, the polygon formed by the slot unit in the slot group on the side of the backplane is in a shape close to a semi-ellipse or a semi-circle. Optionally, the router further includes: a switching network board, where the switching network board is located outside the polygon, is inserted in a slot in the slot unit, and is connected to the circuit board.
可选的， 所述路由器还包括： 交换网板， 所述交换网板位于所述多边形内侧， 并且与 所述线路板连接。  Optionally, the router further includes: a switching network board, the switching network board is located inside the polygon, and is connected to the circuit board.
可选的， 所述线路板的截面为长方形、 类似长方形的形状、 梯形或类似梯形的形状。 可选的， 所述交换网板的截面为长方形、 类似长方形的形状、 梯形或类似梯形的形状。 可选的， 所述梯形或接近梯形的形状的两条腰之间的距离离所述多边形越近越小。 可选的， 所述线路板之间通过电缆、 光缆、 或印刷电路板进行连接。  Optionally, the circuit board has a rectangular cross section, a rectangular shape, a trapezoidal shape or a trapezoidal shape. Optionally, the cross section of the exchange stencil is a rectangular shape, a rectangular-like shape, a trapezoidal shape or a trapezoid-like shape. Optionally, the distance between the two waists of the trapezoid or near trapezoidal shape is smaller and closer to the polygon. Optionally, the circuit boards are connected by a cable, a fiber optic cable, or a printed circuit board.
可选的， 所述交换网板与所述线路板通过电缆、 光缆、 或印刷电路板进行连接。  Optionally, the switching network board and the circuit board are connected by a cable, a fiber optic cable, or a printed circuit board.
本发明实施例提供的技术方案的有益效果是：  The beneficial effects of the technical solutions provided by the embodiments of the present invention are:
本实施例通过在路由器的槽位群组中设置至少三个槽位单元， 槽位单元在背板侧组成 多边形， 将线路板插在槽位群组中的槽位里， 相对于线路板成排放置， 可以容纳更多的线 路板， 从而使单个路由器支持更多的槽位； 另外， 可以将交换网板置于多边形内侧， 从而 縮短交换网板与线路板之间链路的长度， 提高链路性能。 附图说明  In this embodiment, at least three slot units are set in the slot group of the router, and the slot unit is formed into a polygon on the backplane side, and the circuit board is inserted into the slot in the slot group, and is formed with respect to the circuit board. The row can accommodate more boards, so that a single router can support more slots. In addition, the switching board can be placed inside the polygon, thereby shortening the length of the link between the switching board and the board, and improving Link performance. DRAWINGS
为了更清楚地说明本发明实施例中的技术方案， 下面将对实施例描述中所需要使用的 附图作简单地介绍， 显而易见地， 下面描述中的附图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， 还可以根据这些附图获得其他的 附图。  In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.
图 1是现有技术提供的路由器的示意图；  1 is a schematic diagram of a router provided by the prior art;
图 2是本发明的一个实施例提供的路由器示意图；  2 is a schematic diagram of a router according to an embodiment of the present invention;
图 3是本发明另一实施例提供的交换网板置于多边形外侧的路由器示意图；  3 is a schematic diagram of a router in which a switching network board is disposed outside a polygon according to another embodiment of the present invention;
图 4是本发明另一实施例提供的交换网板置于多边形内侧的路由器示意图；  4 is a schematic diagram of a router in which a switching network board is placed inside a polygon according to another embodiment of the present invention;
图 5是本发明另一实施例提供的线路板的截面为梯形的路由器示意图。 具体实施方式  FIG. 5 is a schematic diagram of a router with a trapezoidal cross section of a circuit board according to another embodiment of the present invention. detailed description
为使本发明的目的、 技术方案和优点更加清楚， 下面将结合附图对本发明实施方式作 进一步地详细描述。  The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
参见图 2， 本发明的一个实施例提供了一种支持多槽位的路由器， 包括： 线路板 20和 槽位群组 10， 槽位群组 10包括至少三个槽位单元， 每个槽位单元包括至少一个槽位， 上述 槽位群组 10中的槽位单元在背板侧组成多边形， 线路板 20插在槽位群组 10中的槽位里。 线路板 20可以有一个或至少两个。 当线路板 20有至少两个时， 线路板中的任意两个 可以彼此互连。 例如， 任意两个线路板之间可以通过电缆或光缆进行连接。 举例来说， 本 实施例中的线路板 20具有的功能包括： 多种链路层协议的封装和处理； 数据包流分类和包 过滤， 用于用户流量监视和访问控制列表； 数据缓存管理和调度功能； 根据转发表进行数 据转发； 识别控制协议报文， 并通过非线速处理接口转发到主 CPU处理。 Referring to FIG. 2, an embodiment of the present invention provides a router that supports multiple slots, including: a circuit board 20 and a slot group 10, and the slot group 10 includes at least three slot units, each slot. The unit includes at least one slot, the above The slot units in the slot group 10 form a polygon on the backplane side, and the circuit board 20 is inserted in the slot in the slot group 10. The circuit board 20 can have one or at least two. When there are at least two of the circuit boards 20, any two of the circuit boards may be interconnected with each other. For example, any two boards can be connected by cable or fiber optic cable. For example, the circuit board 20 in this embodiment has functions including: encapsulation and processing of multiple link layer protocols; packet flow classification and packet filtering, for user traffic monitoring and access control lists; data cache management and The scheduling function performs data forwarding according to the forwarding table; identifies the control protocol packet, and forwards it to the main CPU through the non-linear processing interface.
在本发明的另一实施例中， 路由器还包括： 交换网板 30， 交换网板 30主要用于数据 交换。根据交换网板 30与由槽位群组 10中的槽位单元在背板侧组成的多边形的位置关系， 交换网板 30有两种放置方式：  In another embodiment of the present invention, the router further includes: a switching network board 30, and the switching network board 30 is mainly used for data exchange. According to the positional relationship between the switching network board 30 and the polygon formed by the slot unit in the slot group 10 on the backplane side, the switching network board 30 has two placement modes:
第一种， 参见图 3， 交换网板 30可以位于多边形外侧， 插在槽位群组 10中的槽位里， 并且与线路板连接。  First, referring to Fig. 3, the switching stencil 30 may be located outside the polygon, inserted in the slot in the slot group 10, and connected to the circuit board.
举例来说， 每一个交换网板都可与任意一个线路板连接， 图 3中仅示意性的示出了部 分连接关系。  For example, each switching network board can be connected to any one of the circuit boards, and only a partial connection relationship is schematically shown in FIG.
第二种，参见图 4， 交换网板 30可以位于多边形内侧， 并且与线路板连接。举例来说， 可以在多边形内侧设置交换网板插槽， 交换网板 30可以插在交换网板插槽中。  Second, referring to Fig. 4, the switching stencil 30 can be located inside the polygon and connected to the board. For example, a switching stencil slot can be placed inside the polygon, and the switching stencil 30 can be inserted in the switching stencil slot.
举例来说， 交换网板与线路板可以通过电缆、 光缆、 或印刷电路板中的一种或者几种 方式进行连接。  For example, the switching network board and the circuit board can be connected by one or more of a cable, a fiber optic cable, or a printed circuit board.
当交换网板 30置于多边形内侧时， 可以縮短连接交换网板 30与线路板 20的链路的 长度， 提高链路性能。 由于縮短了连接交换网板与线路板之间的链路的长度， 举例来说， 当链路为光缆时， 对光缆的功率、色散等指标要求较低， 互连的成本也相应降低； 同样地， 当链路为电缆时， 也可以降低互连的成本。  When the switching network board 30 is placed inside the polygon, the length of the link connecting the switching network board 30 and the circuit board 20 can be shortened, and the link performance can be improved. Since the length of the link between the connection switching network board and the circuit board is shortened, for example, when the link is an optical cable, the power, dispersion, and the like of the optical cable are required to be lower, and the cost of the interconnection is correspondingly reduced; Ground, when the link is a cable, the cost of the interconnection can also be reduced.
在本发明的另一实施例中， 线路板 20 的截面可以为任意可以插在槽位中的形状， 但 一般情况下为长方形、 梯形或类似梯形的形状。 当组成槽位群组 10 的槽位单元数量比较 多时， 槽位群组 10在背板侧形成的多边形就是接近半椭圆或接近半圆的形状， 参见图 5， 这时线路板 20 可以设置截面为梯形或者类似梯形的形状， 以使得所述梯形或者类似梯形 的形状的两条腰离多边形近的部分之间的距离比离多边形远的部分之间的距离小， 从而更 好的利用空间， 在单位背板尺寸上容纳更多的线路板。 对于本申请的实施例， 交换网板 30 和线路板 20—样， 截面同样可以为任意可以插在插槽中的形状， 但一般情况下为长方形、 梯形或类似梯形的形状。 当槽位群组 10在背板侧形成的多边形是接近半椭圆或接近半圆 的形状时， 交换网板 30 可以设置截面为梯形或者类似梯形的形状， 以使得所述梯形或者 类似梯形的形状的两条腰离多边形近的部分之间的距离比离多边形远的部分之间的距离 小， 从而更好的利用空间， 在单位背板尺寸上容纳更多的交换网板。 In another embodiment of the present invention, the cross section of the circuit board 20 may be any shape that can be inserted in the slot, but is generally rectangular, trapezoidal or trapezoid-like. When the number of slot units constituting the slot group 10 is relatively large, the polygon formed on the back panel side of the slot group 10 is a shape close to a semi-ellipse or a semi-circle. Referring to FIG. 5, the circuit board 20 can be set to have a cross section. a trapezoidal or trapezoidal shape such that the distance between the two portions of the trapezoidal or trapezoidal shape that are closer to the polygon is smaller than the distance between the portions farther from the polygon, thereby making better use of space, The unit backplane size accommodates more boards. For the embodiment of the present application, the switching stencil 30 and the circuit board 20, the cross section can also be any shape that can be inserted into the slot, but is generally rectangular, trapezoidal or trapezoidal. When the polygon formed by the groove group 10 on the side of the back plate is a shape close to a semi-ellipse or a nearly semicircle, the exchange mesh 30 may be provided in a trapezoidal or trapezoidal-like shape such that the trapezoid or a trapezoid-like shape The distance between the two parts of the waist that are closer to the polygon than the part farther from the polygon Small, so that better use of space, accommodate more switching network boards in the unit backplane size.
在本发明上述实施例的基础上， 本发明实施例中的路由器还可以包括负责路由协议处 理和设备管理的 MPU (Main Processing Unit , 主控板）。 主控板的形状与线路板 20或者交 换网板 30的形状可以相同， 在此不再赘述。  The router in the embodiment of the present invention may further include an MPU (Main Processing Unit) responsible for routing protocol processing and device management. The shape of the main control board may be the same as that of the circuit board 20 or the exchange network board 30, and details are not described herein again.
本实施例通过在路由器的槽位群组中设置至少三个槽位单元， 槽位单元在背板侧组成 多边形， 线路板插在槽位群组中的槽位里， 相对于线路板成排放置， 可以容纳更多的线路 板， 从而使单个路由器支持更多的槽位； 另外， 可以将交换网板置于多边形内侧， 从而縮 短交换网板与线路板之间链路的长度， 提高链路性能。  In this embodiment, at least three slot units are set in the slot group of the router, and the slot unit is formed into a polygon on the backplane side, and the circuit board is inserted in the slot in the slot group, and is arranged in a row with respect to the circuit board. Placed to accommodate more boards, so that a single router supports more slots; in addition, the switching board can be placed inside the polygon, thus shortening the length of the link between the switching board and the board, and improving the chain Road performance.
以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 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。  The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims

权 利 要 求 书 claims
1、 一种支持多槽位的路由器， 其特征在于， 所述路由器包括： 1. A router supporting multiple slots, characterized in that the router includes:
线路板和槽位群组， 所述槽位群组包括至少三个槽位单元， 每个槽位单元包括至少一个 槽位， 所述至少三个槽位单元在背板侧组成多边形， 所述线路板插在所述槽位单元中的槽位 里。 The circuit board and the slot group, the slot group includes at least three slot units, each slot unit includes at least one slot, the at least three slot units form a polygon on the backplane side, The circuit board is inserted into the slot in the slot unit.
2、根据权利要求 1所述的路由器， 其特征在于， 所述槽位群组中的所述槽位单元在背板 侧组成的所述多边形为接近半椭圆或接近半圆的形状。 2. The router according to claim 1, wherein the polygon formed by the slot units in the slot group on the backplane side is close to a semi-ellipse or close to a semi-circle.
3、 根据权利要求 1或 2所述的路由器， 其特征在于， 所述路由器还包括： 交换网板， 所 述交换网板位于所述多边形外侧， 插在所述槽位单元中的槽位里并且与所述线路板连接。 3. The router according to claim 1 or 2, characterized in that, the router further includes: a switching network board, the switching network board is located outside the polygon and is inserted into a slot in the slot unit. and connected to the circuit board.
4、 根据权利要求 1-3任意一项所述的路由器， 其特征在于， 所述路由器还包括： 交换网 板， 所述交换网板位于所述多边形内侧， 并且与所述线路板连接。 4. The router according to any one of claims 1-3, characterized in that the router further includes: a switching network board, the switching network board is located inside the polygon and is connected to the circuit board.
5、根据权利要求 1-4任意一项所述的路由器，其特征在于，所述线路板的截面为长方形、 类似长方形的形状、 梯形或类似梯形的形状。 5. The router according to any one of claims 1 to 4, characterized in that the cross-section of the circuit board is a rectangle, a rectangular-like shape, a trapezoid or a trapezoid-like shape.
6、 根据权利要求 3-5任意一项所述的路由器， 其特征在于， 所述交换网板的截面为长方 形、 类似长方形的形状、 梯形或类似梯形的形状。 6. The router according to any one of claims 3-5, characterized in that the cross-section of the switching network board is a rectangle, a rectangular-like shape, a trapezoid or a trapezoid-like shape.
7、根据权利要求 5或 6所述的路由器， 其特征在于， 所述梯形或类似梯形的形状的两条 腰之间的距离离所述多边形越近越小。 7. The router according to claim 5 or 6, characterized in that the distance between the two waists of the trapezoid or trapezoid-like shape becomes smaller as it is closer to the polygon.
8、 根据权利要求 1-7任意一项所述的路由器， 其特征在于， 所述线路板有两个以上时， 所述线路板中的任意两个彼此互连。 8. The router according to any one of claims 1 to 7, characterized in that when there are more than two circuit boards, any two of the circuit boards are interconnected with each other.
9、 根据权利要求 1-8任意一项所述的路由器， 其特征在于， 所述线路板之间通过电缆、 光缆、 或印刷电路板进行连接。 9. The router according to any one of claims 1 to 8, characterized in that the circuit boards are connected through cables, optical cables, or printed circuit boards.
10、 根据权利要求 3-9任意一项所述的路由器， 其特征在于， 所述交换网板与所述线路 板通过电缆、 光缆、 或印刷电路板进行连接。 10. The router according to any one of claims 3 to 9, characterized in that the switching network board and the circuit board are connected through a cable, an optical cable, or a printed circuit board.
PCT/CN2012/077324 2012-06-21 2012-06-21 Router supporting multiple slots WO2013189067A1 (en)

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