CN103064475B - A kind of service equipment - Google Patents

Abstract

The invention discloses a service device, which expands the function of the network card sub-board, so that the network card sub-board can communicate with the backplane through the power connector and the signal connector of the network card sub-board, so that the The central processing unit can control the MAC chip of the network card subboard to output a high-speed signal, and the high-speed signal output by the MAC chip of the network card subboard can be transmitted to the switching board after passing through the signal connector of the network card subboard. The service device makes the high-speed signal output by the MAC chip of the network card sub-board no longer need to pass through the connector between the network card sub-board and the service single board, thereby reducing the loss of high-speed signals; In addition, a power connector is also provided, so as to prevent the network card daughter board from taking power from the service board, thereby reducing the rated current capacity of the power connector on the service board. The service device can also implement a single-slot dual-socket server.

Description

a service device

technical field

The invention relates to the technical field of computers, in particular to a service device.

Background technique

In recent years, the business of many enterprises in my country has been growing continuously, and in order to support the sustainable development of enterprise business, the number of servers located in the data center is also increasing exponentially, which brings great space pressure to the data center. Therefore, the industry is eager for server manufacturers to design higher-density server products to reduce the space pressure on data centers brought about by the increase in the number of servers.

FIG. 1 is a schematic diagram of an existing server structure in a single slot. As shown in Figure 1, the server mainly includes a server board (ServerBoard), a network card daughter board (MEZZCARD), a backboard (BackBoard) and a switching The signal connector (Signal Connector) is connected to the backplane, and the switching board is connected to the backplane through connectors (including power connectors and signal connectors); the service board is also equipped with a central processing unit (Central Processing Unit, CPU), media intervention The control (MediaAccessControl, MAC) chip is also provided with the MAC chip on the network card subboard, and the network card subboard is also connected to the service board through a connector. Wherein, the power connector supplies power to the CPU and the MAC chip of the service board and the MAC chip of the network card daughter board at the same time. Further, the signal interaction process of the server described in Figure 1 is shown in Figure 2, that is, the CPU controls the MAC chip of the service board to output a high-speed signal, and the high-speed signal is transmitted to the switch board after passing through the signal connector; and, the CPU controls The MAC chip of the NIC daughter board outputs a high-speed signal, and the high-speed signal is transmitted to the switch board after sequentially passing through the connector between the NIC daughter board and the service board, and the signal connector.

In practice, it has been found that the high-speed signal output by the MAC chip of the NIC subboard in the above server is interconnected with the switching board through two-level connectors (that is, the connector between the NIC subboard and the service board, and the signal connector), resulting in high-speed The signal loss is very large; in addition, the network card daughter board also needs to obtain power from the service board, which increases the rated current capacity of the power connector on the service board.

Contents of the invention

The technical problem to be solved by the embodiments of the present invention is to provide a service device capable of reducing high-speed signal loss and reducing the rated current capacity of the power connector on the service board.

The first aspect of the embodiments of the present invention provides a service device, and the service device includes at least:

A service single board, a network card daughter board, a backplane, and an exchange single board, the service single board is communicatively connected to the backplane through the power connector of the service single board and the signal connector of the service single board, the The network card daughter board communicates with the backplane through the power connector of the network card daughter board and the signal connector of the network card daughter board; The signal connector of the single board is communicatively connected with the backplane; the service single board is communicatively connected with the network card sub-board through a connector; a central processing unit and a media intervention control chip are arranged on the service single board, and the The power connector of the service board is used to supply power to the central processing unit and the media access control chip set on the service board; the media access control chip is arranged on the network card daughter board, and the power connector of the network card daughter board is used for Supplying power to the media access control chip set on the network card sub-board;

The central processor set on the service board is used to control the media intervention control chip of the service board to output high-speed signals, and the high-speed signal output by the media intervention control chip of the service board passes through the signal connector of the service board transmitted to the exchange board; and, the central processing unit arranged on the service board is also used to control the media intervention control chip of the network card daughter board to output high-speed signals, and the media intervention control chip of the network card daughter board outputs the high-speed signal The signal is transmitted to the switch board after passing through the signal connector of the network card daughter board.

In a first possible implementation manner of the first aspect, the network card daughter board is further provided with a central processing unit, and the power connector provided on the network card daughter board is also used to power the The central processor supplies power; the central processor provided on the network card sub-board is used to control the media intervention control chip provided on the network card sub-board to output a high-speed signal, and the high-speed signal output by the media intervention control chip of the network card sub-board passes through the The signal connector of the network card sub-board is then transmitted to the switch board.

With reference to the first aspect or the first possible implementation manner of the first aspect, in a second possible implementation manner, the backplane is provided with multiple serial-deserializers, where the A communication channel is constructed between the signal connector and the signal connector provided on each of the exchange boards through a serial-deserializer; the signal connector of the network card daughter board is connected to each of the exchange boards A communication channel is also constructed between the signal connectors provided above through one of the serial-deserializers.

With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner, the service device further includes a management board, and the management board uses the power connector of the management board and the The signal connector of the management single board is communicatively connected to the backboard; the service single board is provided with a device management controller and a switch, and the network card sub-board is also provided with a device management controller; wherein, the service board The power connector provided on the board is also used to supply power to the device management controller and the switch provided on the service board; the power connector provided on the network card daughter board is also used to supply power to the The device management controller is powered; the device management controller set on the service single board is connected to the switch in communication, the switch is connected to the signal connector of the service single board in communication, and the device management control set on the network card sub-board The signal connector of the service single board is communicatively connected with the signal connector of the service single board, and the signal connector of each of the management single boards is constructed by a serial-deserializer A management channel; wherein, the signal connectors provided on each of the management boards are respectively communicatively connected to the system management module on the management board.

With reference to the first aspect or the first possible implementation of the first aspect, in a fourth possible implementation, one or more media access control chips are set on the service board, and the network card daughter board There are one or more media intervention control chips set on it.

From the above analysis, it can be seen that the embodiment of the present invention can expand the function of the network card subboard, so that the network card subboard can communicate with the backplane through the power connector and signal connector of the network card subboard, so that the central processing set on the service board The controller can control the MAC chip of the NIC subboard to output high-speed signals, and the high-speed signal output by the MAC chip of the NIC subboard can be transmitted to the switching board after passing through the signal connector of the NIC subboard. In the embodiment of the present invention, the high-speed signal output by the MAC chip of the network card sub-board does not need to pass through the connector between the network card sub-board and the service board, thereby reducing the loss of high-speed signals; In addition to the signal connector, a power connector is also provided, so as to prevent the network card daughter board from taking power from the service board, thereby reducing the rated current capacity of the power connector on the service board.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic diagram of an existing server structure under a single slot;

Fig. 2 is a schematic diagram of the signal interaction process of the server described in Fig. 1;

FIG. 3 is a schematic structural diagram of a service device provided by an embodiment of the present invention;

Fig. 4 is a schematic diagram of the signal interaction process of the server described in Fig. 3;

FIG. 5 is a schematic structural diagram of another service device provided by an embodiment of the present invention;

FIG. 6 is a schematic diagram of the signal interaction process of the server described in FIG. 5;

FIG. 7 is a schematic diagram of a service device management solution provided by an embodiment of the present invention;

Fig. 8 is a structural diagram of another service device provided by an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The embodiment of the invention discloses a service device, which can reduce high-speed signal loss and reduce the rated current capacity of a power connector on a service board. Each will be described in detail below.

Please refer to FIG. 3 . FIG. 3 is a schematic structural diagram of a service device provided by an embodiment of the present invention. As shown in Figure 3, a service device provided by an embodiment of the present invention at least includes:

A service single board, a network card daughter board, a backplane, and an exchange single board, wherein the service single board is communicatively connected to the backplane through a power connector of the service single board and a signal connector of the service single board, The network card daughter board communicates with the backplane through the power connector of the network card daughter board and the signal connector of the network card daughter board; the switching board is also connected through the power connector of the switching board and the signal connector of the switching single board is communicatively connected with the backplane; the service single board is communicatively connected with the network card daughter board through a connector; a CPU and a MAC chip are arranged on the service single board, and the The power connector of the service board is used to supply power to the CPU and the MAC chip set on the service board; The MAC chip set on the board supplies power.

In the service device shown in Figure 3, the CPU set on the service board is used to control the MAC chip of the service board to output high-speed signals, and the high-speed signal output by the MAC chip of the service board passes through the service board and the CPU provided on the service single board is also used to control the MAC chip of the network card daughter board to output high-speed signals, and the high-speed signal output by the MAC chip of the network card daughter board After passing through the signal connector of the network card daughter board, the signal is transmitted to the switching board.

Please also refer to FIG. 4 . FIG. 4 is a schematic diagram of the signal interaction process of the server described in FIG. 3 . As shown in Figure 4, the CPU provided on the service board can control the MAC chip of the service board to output a high-speed signal, wherein the high-speed signal output by the MAC chip of the service board is connected to the and the CPU set on the service single board is also used to control the output of high-speed signals by the MAC chip of the network card sub-board through the connector, wherein the high-speed signal output by the MAC chip of the network card sub-board passes through The signal connector of the network card subboard is then transmitted to each switching board.

In the embodiment of the present invention, each switching board of the service device may perform signal interconnection with other devices through the network, which will not be described in detail in the embodiment of the present invention.

It can be known from the descriptions in Fig. 3 and Fig. 4 that the embodiment of the present invention can expand the function of the NIC subboard, so that the NIC subboard can communicate with the backplane through the power connector and signal connector of the NIC subboard, so that the service board The configured CPU can control the MAC chip of the network card subboard to output a high-speed signal, and the high-speed signal output by the MAC chip of the network card subboard can be transmitted to the switching board after passing through the signal connector of the network card subboard. Among them, the high-speed signal output by the MAC chip of the network card sub-board does not need to pass through the connector between the network card sub-board and the service board, thereby reducing the loss of high-speed signals; moreover, the network card sub-board is also provided with a power connector, so that Prevent the NIC subboard from taking power from the service board, thereby reducing the rated current capacity of the power connector on the service board.

Please refer to FIG. 5 . FIG. 5 is a schematic structural diagram of another service device provided by an embodiment of the present invention. Wherein, the service device shown in FIG. 5 is obtained by optimizing the function of the service device shown in FIG. 3 . Compared with the service equipment shown in FIG. 3 , in the service equipment shown in FIG. 5 , a CPU is also provided on the network card subboard, and correspondingly, the power connector provided on the network card subboard is also used to power the The CPU power supply provided on the network card sub-board; the CPU provided on the network card sub-board is used to control the MAC chip output high-speed signal set on the network card sub-board, wherein the high-speed signal output by the MAC chip of the network card sub-board passes through The signal connector of the network card subboard is then transmitted to the switching board.

From the service device shown in Figure 5, it can be seen that the embodiment of the present invention can further expand the function of the network card subboard, so that the network card subboard can form a new service node, thus realizing two service nodes under a single slot , each service node can communicate with the switching board. In addition, in the service device shown in Figure 5, the service node formed by the NIC subboard has a power connector besides the signal connector. This design can prevent the service node formed by the NIC subboard from The node takes power, so that the rated current capacity of the power connector on the service node formed by the service board can be reduced.

In the embodiment of the present invention, multiple serial-deserializers (SERializer-DESerializer, SerDes) may be set on the backboard, wherein the signal connector of the service board is connected to each of the switching boards A communication channel can be constructed between the set signal connectors through one of the SerDes; SerDes build communication channels.

Please refer to FIG. 6 together. FIG. 6 is a schematic diagram of the signal interaction process of the server described in FIG. 5 . As shown in Figure 5, multiple SerDes can be set on the backboard, wherein the signal connector on the service board and the signal connector on each switch board can be connected by one of the SerDes construct communication channels; and, a communication channel may also be constructed between the signal connectors of the network card daughter board and the signal connectors provided on each of the switching boards through one SerDes.

As shown in Figure 6, the CPU provided on the service board can control the MAC chip of the service board to output a high-speed signal, wherein the high-speed signal output by the MAC chip of the service board is connected to the After receiving the high-speed signal transmitted by each SerDes, the signal receiver of each switching board transmits the high-speed information to the switch of the switching board, thereby The signal interconnection between the service node formed by the service board and the switching board is realized. Wherein, the high-speed signal output by the MAC chip of the network card sub-board can be transmitted to the signal receiver of each switching board after passing through the signal connector of the network card sub-board and each SerDes, and the signal receiver of each switching board After receiving the high-speed signals transmitted by each SerDes, the high-speed information is transmitted to the switch of the switching board, so as to realize the signal interconnection between the service node formed by the network card sub-board and the switching board.

Please refer to FIG. 7 . FIG. 7 is a schematic diagram of a service device management solution provided by an embodiment of the present invention. It can be seen from the service device management solution shown in Figure 7 that the service device provided by the embodiment of the present invention may also include a management board (ManagerBoard), wherein each of the management boards is connected through the power supply of the management board The controller and the signal connector of the management board are communicatively connected to the backplane; the service board may also be provided with a device management controller (Baseboard Management Controller, BMC) and a switch (Switch), and the network card subboard Also can be provided with BMC; Wherein, the power connector that is arranged on the said service single board is also used to supply power to the BMC and the switch that are arranged on the said service single board; Provide power to the BMC provided on the network card sub-board; wherein, the BMC provided on the service single board is connected to a switch in communication, the switch is connected to the signal connector of the service single board in communication, and the network card sub-board The set BMC is communicatively connected to the switch of the service single board, and a management channel is constructed between the signal connector of the service single board and the signal connector provided on each of the management single boards through one of the SerDes; wherein, The signal connectors provided on each of the management boards are respectively communicatively connected to a system management module (System Management Module, SMM) on the management board. Wherein, the SMM can be realized by using a processor and a controller on physical hardware.

In the service device management solution shown in FIG. 7 , the BMC provided on the network card daughter board and the switch of the service board can be connected through a connector between the network card daughter board and the service board. Specifically, the BMC of the network card subboard can output a management signal to the switch of the service board, and the switch of the service board can combine the management signal output from the service board with the management signal output from the BMC of the network card subboard. And through the signal connector of the service board and each SerDes, it is transmitted to the signal connector of each management board, and the signal connector of each management board transmits the received management signal to the SMM of the respective management board, so that Realize that the management board manages the two service nodes on each slot separately, that is, realizes the fully interconnected switching solution of the two-way server and the backplane in a single slot.

Please refer to FIG. 8 . FIG. 8 is a structural diagram of another service device provided by an embodiment of the present invention. Wherein, the service device shown in FIG. 8 is obtained by optimizing the function of the service device shown in FIG. 5 . Compared with the service device shown in FIG. 5 , in the service device shown in FIG. 8 , multiple MACs may be set on the service board, and multiple MAC chips may be set on the network card daughter board.

From the above analysis, it can be seen that the embodiment of the present invention can expand the function of the network card subboard, so that the network card subboard can communicate with the backplane through the power connector and signal connector of the network card subboard, so that the central processing set on the service board The controller can control the MAC chip of the NIC subboard to output high-speed signals, and the high-speed signal output by the MAC chip of the NIC subboard can be transmitted to the switching board after passing through the signal connector of the NIC subboard. In the embodiment of the present invention, the high-speed signal output by the MAC chip of the network card sub-board does not need to pass through the connector between the network card sub-board and the service board, thereby reducing the loss of high-speed signals; In addition to the signal connector, a power connector is also provided, so that the network card sub-board can be prevented from taking power from the service board, thereby reducing the rated current capacity of the power connector on the service board; moreover, the embodiment of the present invention Two service nodes in a single slot can be implemented with the existing slot spacing unchanged. The service node formed by the service single board is formed by the network card sub-board, and the two service nodes and the backplane can realize Fully connected communication.

The service equipment provided by the embodiment of the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only used to help understand the present invention and its core idea; At the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the present invention.

Claims (5)

1. a service equipment, is characterized in that, described service equipment at least comprises:

Service veneer, network interface card buckle, backboard and switching board, described service veneer is connected with described backplane communication with the signal connector of described service veneer by the power connector of described service veneer, and described network interface card buckle is connected with described backplane communication with the signal connector of described network interface card buckle by the power connector of described network interface card buckle; Described switching board is connected with described backplane communication with the signal connector of described switching board by the power connector of described switching board; Described service veneer is communicated to connect by connector and described network interface card buckle; Described service veneer is provided with central processing unit and media intervention control chip, the power connector of described service veneer is powered for getting involved control chip to the central processing unit that described service veneer is arranged and media; Described network interface card buckle is provided with media and gets involved control chip, the power connector of described network interface card buckle is powered for getting involved control chip to the media that described network interface card buckle is arranged;

The central processing unit that described service veneer is arranged is got involved control chip for the media controlling to serve veneer and is exported high speed signal, and the media of described service veneer get involved the high speed signal of control chip output by transferring to described switching board after the signal connector of described service veneer;

And, the media of the central processing unit that described service veneer is arranged also for controlling described network interface card buckle are got involved control chip and are exported high speed signal, and the high speed signal that the media intervention control chip of described network interface card buckle exports transfers to described switching board after the signal connector of described network interface card buckle.

2. service equipment according to claim 1, is characterized in that, described network interface card buckle is also provided with central processing unit, and the power connector that described network interface card buckle is arranged is also for powering to the central processing unit that described network interface card buckle is arranged; The central processing unit that described network interface card buckle is arranged is got involved control chip for the media controlling described network interface card buckle is arranged and is exported high speed signal, and the high speed signal that the media intervention control chip of described network interface card buckle exports transfers to described switching board after the signal connector of described network interface card buckle.

3. service equipment according to claim 1 and 2, it is characterized in that, described backboard is provided with multiple serializer-deserializer, wherein, communication port is built by a described serializer-deserializer between the signal connector signal connector of described service veneer and switching board described in each arranged; Also communication port is built by a described serializer-deserializer between the signal connector that the signal connector of described network interface card buckle and switching board described in each are arranged.

4. service equipment according to claim 3, is characterized in that, described service equipment also comprises management single board, and described management single board is connected with described backplane communication with the signal connector of described management single board by the power connector of described management single board; Described service veneer is provided with equipment control controller and switch, described network interface card buckle also arranges equipment control controller; Wherein, the power connector described service veneer arranged is also for giving equipment control controller and power supply for exchange that described service veneer is arranged; The power connector that described network interface card buckle is arranged is also for powering to the equipment control controller that described network interface card buckle is arranged; The equipment control controller that described service veneer is arranged is connected with switch communication, the signal connector of described switch and described service veneer communicates to connect, the equipment control controller that described network interface card buckle is arranged is connected with the switch communication of described service veneer, builds management channels between the signal connector that the signal connector of described service veneer and management single board described in each are arranged by a described serializer-deserializer; Wherein, signal connector management single board described in each arranged communicates to connect with the system management module on described management single board respectively.

5. service equipment according to claim 1 and 2, is characterized in that, it is one or more that the media that described service veneer is arranged get involved control chip, and it is one or more that the media that described network interface card buckle is arranged get involved control chip.