WO2011127854A2 - Kvm数据传输的方法、业务板及系统 - Google Patents

Kvm数据传输的方法、业务板及系统 Download PDF

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Publication number
WO2011127854A2
WO2011127854A2 PCT/CN2011/074177 CN2011074177W WO2011127854A2 WO 2011127854 A2 WO2011127854 A2 WO 2011127854A2 CN 2011074177 W CN2011074177 W CN 2011074177W WO 2011127854 A2 WO2011127854 A2 WO 2011127854A2
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WO
WIPO (PCT)
Prior art keywords
kvm
packet
board
switch
service board
Prior art date
Application number
PCT/CN2011/074177
Other languages
English (en)
French (fr)
Other versions
WO2011127854A3 (zh
Inventor
李延松
王凡
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2011/074177 priority Critical patent/WO2011127854A2/zh
Priority to CN201180000533.4A priority patent/CN102204184B/zh
Priority to EP11768465.4A priority patent/EP2557736B1/en
Publication of WO2011127854A2 publication Critical patent/WO2011127854A2/zh
Publication of WO2011127854A3 publication Critical patent/WO2011127854A3/zh
Priority to US13/465,455 priority patent/US9154579B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/131Protocols for games, networked simulations or virtual reality
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00Aspects of data communication
    • G09G2370/12Use of DVI or HDMI protocol in interfaces along the display data pipeline
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00Aspects of data communication
    • G09G2370/24Keyboard-Video-Mouse [KVM] switch

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a KVM data transmission method, service board and system.
  • BACKGROUND With the rapid development of Internet services and the continuous growth of the number of users, network traffic is also rising, making the application and deployment of IT devices such as servers particularly important.
  • the server provides Internet users with various services such as Web access, file downloading, streaming media, etc., and also provides a graphical user interface and a keyboard and mouse interface to facilitate network maintenance personnel to configure and maintain the device.
  • the human-machine interface such as the keyboard, display, and mouse of the server is generally referred to as KVM (Keyboard, Video, Mouse, keyboard, display, mouse). Due to the large number of servers, it is not possible to connect KVM to each server one by one during maintenance.
  • Figure 1 connects a KVM to an external KVM switch device.
  • this method realizes the remote management of the server, since each server has to provide a keyboard mouse and a display cable, the problem of cost increase and messy wiring is brought about; and because of the analog switching mode, the keyboard and the mouse are used.
  • the display cable should not be too long, usually only a few tens of meters, otherwise it will affect the signal quality, so you can only manage the local server, there are geographical restrictions.
  • a KVM over IP (IP-based KVM) technology is currently used, which converts KVM data into IP packets and transmits them over the network, effectively solving the above problems.
  • IP-based KVM IP-based KVM
  • a KVM over IP module is provided on each server, and the KVM over IP module can convert the video output of the graphics card into an Ethernet packet and send it to the console, or on the console.
  • the packaged keyboard and mouse information is restored to the original number of cables, which solves the problem of messy wiring; and the server and the switch, the switch and the console are connected by a network, so that the console and the server can be separated in different City, settlement The problem of geographical restrictions.
  • ATCA Advanced Telecom Computing Architecture
  • the ATCA architecture provides independent management channels and service channels.
  • the management channel includes IPMB (Intelligent Platform Management Bus) channel based on IPMI (Intelligent Platform Management Interface) protocol and BASE channel based on IP protocol.
  • IPMB Intelligent Platform Management Bus
  • BASE IP protocol
  • the service channel is a FABRIC channel (service channel) with multiple protocols. As shown in Figure 3, these channels are double-star structures, that is, each service board provides two IPMB interfaces, two BASE interfaces, and two FABRIC interfaces.
  • the former is connected to two management boards, and the latter two are Two switch boards are connected.
  • the south bridge of the service board provides a PCI bus, which is connected to a PCI interface display chip, and the video information it outputs is sent to the FPGA through the DVI interface.
  • the FPGA compresses the video data and sends it to the BMC through the LPC interface.
  • the BMC BMC is a low-performance, dedicated management processor. It directly converts IPMI packets into IP packets and IP addresses through the BASE channel. It is sent to the switch board. The switch board is sent to the remote console through the network port on its own panel.
  • the BMC is also connected to the south bridge through two USB interfaces, which can simulate the operation of the keyboard and mouse, or because the IPMB bandwidth is too low.
  • the compressed video data can barely be transmitted on it. The amount of data is too large, causing the user to operate the keyboard.
  • the mouse has a large delay and affects normal IPMI communication.
  • the IP packet is transmitted to the management board through the FE channel. Since the ATCA specification does not limit the implementation of the management board (such as signal definition of the backplane interface, connector selection, slot location, etc.), a switch chip can be provided on the management board to drive KVM over from all service boards. IP packets are aggregated and sent to the remote console through another network port on the panel. Because this solution modifies the definition of the backplane interface, the original backplane and management board must be modified to work with the service board, and the compatibility is poor.
  • Embodiments of the present invention provide a method, a service board, and a system for KVM data transmission, which can provide sufficient bandwidth for KVM data and ensure compatibility with existing ATCA systems.
  • a method of KVM data transmission comprising:
  • the service board converts the keyboard display mouse KVM data into KVM packet messages
  • a business board including:
  • a data conversion module configured to convert the keyboard display mouse KVM data into a KVM packet message
  • a sending module configured to pass the KVM packet message obtained by the data conversion module
  • the BASE channel is sent to the switchboard to cause the switchboard to forward the KVM packet message to the remote console.
  • a system for KVM data transmission comprising: a switch board and a service board;
  • the service board is configured to convert KVM data of the keyboard display mouse into a KVM packet message; and the KVM packet message is forwarded to a remote console;
  • the switch board is configured to receive a KVM packet message sent by the service board through the BASE channel, and send the KVM packet message to the remote console.
  • the KVM data transmission method, service board and system convert KVM data on the service board into KVM packets and transmit them to the switch board through the BASE channel. Since the BASE channel has 1000 Mbps bandwidth, and KVM data requires only 10 Mbps of bandwidth after proper compression, it provides a channel with sufficient bandwidth for KVM data; and provides a switch chip on the service board, and the network port on the switch chip It replaces the original BASE network port on the service board to form a new BASE channel. It does not need to modify the signal definition of the backplane interface to ensure compatibility with the existing ATC A system.
  • BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set forth in the description of the claims Other drawings may also be obtained from these drawings without the use of creative labor.
  • 1 is a connection diagram of an external KVM switch used in the background art
  • FIG. 2 is a connection diagram of a KVM over IP module in the background art
  • FIG. 4 is a connection diagram of a prior art 1KVM data transmission implementation method
  • FIG. 5 is a connection diagram of a method for implementing 2KVM data transmission in the prior art
  • FIG. 6 is a flowchart of a method for KVM data transmission according to Embodiment 1 of the present invention.
  • - 4 - 7 is a connection diagram of a method for KVM data transmission according to Embodiment 2 of the present invention.
  • FIG. 8 is a flowchart of a KVM data transmission method in Embodiment 2 of the present invention.
  • FIG. 9 is a flowchart of a method for transmitting KVM data and a first packet according to Embodiment 2 of the present invention
  • FIG. 10 is a flow chart of starting a KVMoverlP module through an IPMB channel according to Embodiment 2 of the present invention
  • FIG. 11 is a flow chart of starting a KVMoverlP module through a BASE channel according to Embodiment 2 of the present invention.
  • FIG. 12 is a flow chart of closing a KVMoverlP module through an IPMB channel according to Embodiment 2 of the present invention.
  • FIG. 13 is a flow chart of closing a KVMoverlP module through a BASE channel according to Embodiment 2 of the present invention.
  • FIG. 14 is a connection diagram of a KVM data transmission method according to Embodiment 3 of the present invention.
  • FIG. 16 is a flowchart of a method for transmitting KVM data and a first packet through a switch chip according to Embodiment 3 of the present invention
  • FIG. 17 is a schematic diagram of a basic composition of a service board according to Embodiment 4 of the present invention.
  • FIG. 18 is a schematic diagram showing the composition of a service board when a switch chip is provided with two network ports according to Embodiment 4 of the present invention.
  • FIG. 19 is a schematic diagram showing the composition of a service board when a switch chip is provided with only one network port according to Embodiment 4 of the present invention.
  • FIG. 20 is a schematic diagram of a composition of a service board when a detection module and a trigger module are included in Embodiment 4 of the present invention.
  • FIG 21 is a schematic diagram showing the composition of a KVM data transmission system in Embodiment 4 of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and Not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • An embodiment of the present invention provides a method for KVM data transmission. As shown in FIG. 6, the method includes: 101.
  • a service board converts KVM data into a KVM packet.
  • the service board converts the KVM data into a KVM packet, and converts the KVM data into a KVM packet through the KVM over IP chip built in the service board, and can also convert the KVM data into a KVM through a discrete device.
  • the packet is not limited in this embodiment, and may be specifically selected according to the needs of the user.
  • the switchboard forwards the KVM packet message to the remote console.
  • the BASE channel is a channel inherent on the service board.
  • the ATCA system is only used for heartbeat detection between boards and data loading during software upgrade.
  • the data amount is small during most of the time. Make full use of 1000Mbps bandwidth. Therefore, transferring KVM data through the BASE channel ensures sufficient bandwidth.
  • the KVM packet is transmitted through the BASE channel on the service board. Since the BASE channel has 1000 Mbps bandwidth, the KVM data only needs 10 Mbps bandwidth after proper compression, thereby providing a sufficient bandwidth for the KVM data.
  • the channel and BASE port do not change the original interface definition, and do not modify the signal definition of the backplane interface to ensure compatibility with existing ATCA systems.
  • the embodiment of the present invention provides a method for data transmission of a KVM.
  • the embodiment of the present invention provides an example of the output of the two BASE network ports from the backplane by using a switch chip, and specifically describes the method for data transmission of the KVM, as shown in FIG. 7:
  • the service board provides a GE switch chip that only needs to complete Layer 2 functions.
  • the port has at least five ports. Connect the original two BASE channel network ports on the service board to the two ports of the switch chip, and connect the output of the KVM over IP chip to one port of the switch chip.
  • the switch chip provides two ports from the backplane. Output, as the BASE channel of the service board Port 1, network port 2).
  • the two network ports on the switch chip are connected to the switch chips on the two switch boards.
  • the switch chip on the switch board and the switch chip on the service board are not the same model because the number of ports required is different.
  • the switch chip can be automatically configured after the power-on reset, and does not require processor intervention on the service board, so that the console can still monitor the service board during startup.
  • This automatic configuration function is realized by switching the external non-volatile memory of the chip, and the configuration data of the chip is burned in advance, and is automatically loaded into the switch chip after the power board is electrically reset.
  • the KVM over IP module in the service board can be a dedicated KVM over IP integrated chip or a discrete device.
  • the KVM over IP chip usually integrates a processor inside, and can be configured by itself after a power reset on the service board, and does not require processor intervention on the board. In this way, the GE switch chip and the KVM over IP chip are completely independent of the service board, and will not work due to the failure of the service board, which helps the continuous monitoring and fault location of the service board.
  • the KVM data transmission method includes: 201.
  • the KVM over IP module built in the service board converts the KVM data into KVM packet messages.
  • the switch board forwards the packet to the remote console through the network port on the panel and the external Ethernet switch (LS W).
  • the KVM data transmission method is as shown in FIG. 9, and includes:
  • the switch chip built in the service board receives the first message from the original BASE network port and the KVM group sent by the KVM over IP module built in the service board.
  • the switch chip aggregates the first packet and the KVM packet.
  • the switchboard sends the KVM packet to the remote console, and sends the first packet to the management board.
  • the switch board is also connected to the management board, which is not shown in FIG.
  • the data from the BASE channel of the service board includes the first packet of the original BASE network port and the newly added KVM packet, which are forwarded to different locations on the switch board through a preset destination MAC address, for example, management.
  • the information is forwarded to the management board and the KVM information is forwarded to the console.
  • FIG 7 only one embodiment of the ATCA subrack is provided.
  • Each of the two external network ports is connected to the LSW, and the number of connections is greatly reduced.
  • the situation of multiple ATCA subracks is similar.
  • the two LSWs are connected to the two LSWs.
  • the console also has two network ports connected to the two LSWs. This prevents the single LSW from being faulty and the entire link. Nowhere.
  • the KVM over IP module on the service board starts working immediately after the power-on reset, the KVM data is converted into an IP packet and sent to the console.
  • a large number of service boards perform the operation, which is bound to cause network congestion. .
  • those unsupervised service boards do not need to perform KVM over IP operations, increasing invalid network load and energy consumption, so the KVM over IP modules of these service boards can be turned off.
  • the specific method can be to put them into a reset state, to inform the module to enter idle or sleep state, such as turning off the internal unit clock or power supply.
  • the BMC can provide a wake-up interrupt signal or a custom level signal.
  • the default state of the KVM over IP module is inactive and remains idle or in a sleep state.
  • the console sends the KVM data conversion command packet to the external LSW and the switch board through the network port.
  • the switch board will start to forward the KVM data conversion command message to the management board.
  • the management board forwards the KVM data conversion command to the corresponding service board through the IPMB channel.
  • the BMC of the service board wakes up the KVM over IP module of the board and starts to perform KVM data conversion.
  • the console when the console sends a KVM data conversion command to the service board, the console sends the KVM data conversion command directly to the service board through the BASE channel on the service board backplane.
  • the specific method for sending the start KVM data conversion command is:
  • the console sends the KVM data conversion command packet to the external LSW and the switch board through the network port.
  • the switch board forwards the KVM data conversion command message directly to the built-in switch chip of the corresponding service board through the BASE channel.
  • the built-in switch chip of the service board wakes up the KVM over IP module of the board and starts to perform KVM data conversion.
  • the KVM over IP module sleeps as shown in Figure 12, including:
  • the console sends the KVM data conversion command message to the external LSW and the switch board through the network port.
  • the switch board terminates the KVM data conversion command packet to the management board. Board on the BMC.
  • the BMC of the service board notifies the KVM over IP module of the board to enter an idle or hibernation state, and no longer performs KVM data conversion.
  • the console when the console sends a termination KVM data conversion command to the service board, the console sends the termination KVM data conversion command directly to the service board through the BASE channel on the service board backplane.
  • the specific method for sending the terminating KVM data conversion command is:
  • the console sends the KVM data conversion command packet to the external LSW and the switch board through the network port. Should be on the built-in switch chip of the business board.
  • the built-in switch chip of the service board notifies the KVM over IP module of the board to enter an idle or sleep state, and does not perform KVM data conversion work.
  • the KVM packet is transmitted through the BASE channel on the service board. Since the BASE channel has 1000 Mbps bandwidth, and the KVM data only needs 10 Mbps bandwidth after proper compression, the KVM data is provided with a sufficient bandwidth.
  • the channel and BASE network port do not change the original interface definition, and do not modify the signal definition of the backplane interface to ensure compatibility with existing ATCA systems.
  • the two BASE network ports of the switch chip can work separately, and the KVM data is not available due to a switch board or network port failure, and the reliability is strong.
  • console can select the service board to be monitored as needed, and remotely control the KVM over IP module on the service board to start or sleep, which saves power and reduces the invalid network load.
  • the embodiment of the present invention provides a KVM data transmission method.
  • a switch chip with a small number of ports for example, three ports, may be used.
  • the original BASE network port on the service board is directly connected to the switch board, and the other BASE network port and the network port of the KVM over IP module are connected to the switch chip of the board.
  • the switch board connected to network port 2 fails, the KVM link from the remote console to the entire chassis will be interrupted, and the management data of the BASE channel will not be affected because it can also pass through the network. Pass 1 to pass.
  • the KVM data transmission method includes: 801.
  • the KVM over IP module built in the service board converts the KVM data into KVM packet messages.
  • the switch board forwards the packet to the remote console through the network port on the panel and the external LSW.
  • the KVM data transmission is performed when there is a KVM service and a first packet service of the original BASE network port of the service board, and the first packet is transmitted through only one BASE network port of the switch chip.
  • the method as shown in Figure 16, includes:
  • the switch chip built in the service board receives the first message from the original BASE network port and the KVM group sent by the KVM over IP module built in the service board.
  • the switch chip aggregates the first packet and the KVM packet.
  • the switchboard After receiving the aggregated packet, the switchboard sends the KVM packet to the remote console, and sends the first packet to the management board.
  • the switch board is also connected to the management board, which is not shown in FIG.
  • the data from the BASE channel of the service board includes the first packet of the original BASE network port and the newly added KVM packet, which are forwarded to different locations on the switch board through a preset destination MAC address, for example, management.
  • the information is forwarded to the management board and the KVM information is forwarded to the console.
  • the specific transmission method may refer to the corresponding description in the prior art, and details are not described herein again.
  • the default state of the KVM over IP module is not working, it remains idle or hibernating.
  • the method for starting the KVM over IP module is the same as the method of FIG. 10 and FIG. 11 in Embodiment 2
  • the method for closing the KVM overIP module is the same as the method of FIG. 12 and FIG. 13 in Embodiment 2, and the embodiment of the present invention will not be described again. .
  • the KVM packet is transmitted through the BASE channel on the service board. Since the BASE channel has 1000 Mbps bandwidth, and the KVM data only needs 10 Mbps bandwidth after proper compression, the KVM data is provided with a sufficient bandwidth. Channel and BASE network port does not change
  • the built-in switch chip on the service board only needs to connect one KVM over IP module and one network port in the original BASE network port, and only one network port is connected to the switch board, so the number of interfaces of the switch chip is small, which can save cost and retains An original BASE network port will not affect the original management data communication even if the BASE network port where the KVM data is located fails.
  • console can select the service board to be monitored as needed, and remotely control the KVM over IP module on the service board to start or sleep, which saves power and reduces the invalid network load.
  • the embodiment of the present invention provides a service board, as shown in FIG. 17, including: a data conversion module 1001 and a sending module 1002.
  • the service board provides two IPMB interfaces, two BASE interfaces, and two FABRIC interfaces.
  • the former is connected to two management boards, and the latter two are connected to two switch boards.
  • the BASE channel must use 10/100/1000BASE-T with a bandwidth of ⁇ /100/lOOOOMbps.
  • FABRIC channels such as GE, 10GE, PCI Express, InfiniBand, etc.
  • the update channel and the synchronization clock are defined in the ATCA architecture, which is used for data backup between two boards or to support TDM services.
  • the backplane interface of the ATCA board is divided into three areas: the Zonel, the Zone2, and the Zone3.
  • the Zonel area contains a connector for transmitting the -48V power supply, the IPMB channel, and the slot number of the board.
  • the Zone 2 area includes 1-5 connectors, usually 2 connectors on the service board, 5 connectors on the switch board for connecting BASE channel, FABRIC channel, update channel and synchronous clock information; Zone3 area is used to communicate with the rear board. For example, to provide an external business interface, you can use a custom connector.
  • the Zonel and Zone2 connector types are defined by the ATCA specification and cannot be changed.
  • the data conversion module 1001 is configured to convert the KVM data into a KVM packet message; the data conversion module 1001 is a KVM over IP chip or a discrete device built in the service board.
  • the sending module 1002 is configured to send the KVM packet received by the data conversion module 1001 to the switch board through the BASE channel, so that the switch board forwards the KVM packet message to the remote console. .
  • the sending module 1002 includes: a first sending unit 10021 and a first switching chip 10022, where the first switching chip includes two BASE network ports (the network port 100221 and the network port 100222).
  • the first sending unit 10021 is configured to send the KVM packet received by the data conversion module 1001 to the first switching chip 10022.
  • the first switch chip 10022 is configured to send the KVM packet to the switch board by using any one of the two BASE network ports (the network port 100221 and the network port 100222).
  • the service board further includes: two original BASE network ports 1003 of the service board, and two original BASE network ports 1003 of the service board are connected to the first switch chip. 10022 connection;
  • the first switch chip 10022 is further configured to receive a first packet of the original BASE network port 1003 of the service board, and aggregate the first packet and the KVM packet, and use the Any one of the two BASE network ports included in the first switch chip 10022 will be aggregated to the console, and the first packet is sent to the management board.
  • the sending module 1002 includes: a second sending unit 10023 and a second switching chip 10024, where the second switching chip 10024 includes only one BASE network port 100241.
  • the second sending unit 10023 is configured to send the KVM packet message obtained by the data conversion module 1001 to the second switching chip 10024.
  • the second switch chip 10024 sends the KVM packet message to the switch board through the only one BASE network port 100241.
  • the service board further includes: two original BASE network ports 1003 of the service board, and two original BASE network ports 1003 (the network port 10031 and the network port 10032) of the service board.
  • One of the network ports 10032 is connected to the second switch chip 10024, and the other network port 10031 retains the original connection mode.
  • the second switch chip 10024 is further configured to receive the first packet of the original BASE network port 10032 of the service board, and aggregate the first packet and the KVM packet, and use the The only one BASE network port 100241 included in the second switch chip 10024 sends the aggregated packet to the switch board, so that the switch board sends the KVM packet message to the remote console, and the The first packet is sent to the management board.
  • the service board further includes: a detecting module 1004 and a triggering module drain 5.
  • the detecting module 1004 is configured to detect whether a start KVM data conversion command sent by the remote console is received before the data conversion module 1001 converts the KVM data into a KVM packet message, and is further configured to detect whether the data is received. A command sent by the remote console to terminate KVM data conversion.
  • the triggering module 1005 is configured to activate the data conversion module 1001 to convert the KVM data into a KVM packet message when the detecting module 1004 detects that the start KVM data conversion command is received; The detecting module detects 1004 to trigger the data conversion module 1001 to terminate execution of converting the KVM data into a KVM packet message when receiving the command to terminate the KVM data conversion.
  • the embodiment of the present invention further provides a system for KVM data transmission.
  • the system includes: a service board 1101 and a switch board 1102.
  • the service board 1101 is configured to convert the keyboard display mouse KVM data into a KVM packet message, and send the KVM packet message to the switch board 1102 through the BASE channel, so that the switch board sends the KVM packet message. Forward to the remote console.
  • the switch board 1102 is configured to receive a KVM packet sent by the service board 1101 through the BASE channel, and send the KVM packet to the remote console.
  • the KVM packet is transmitted through the BASE channel on the service board. Since the BASE channel has 1000 Mbps bandwidth, the KVM data only needs 10 Mbps bandwidth after proper compression, thereby providing a sufficient bandwidth for the KVM data. Channel.
  • the BASE network port does not change the original interface definition, and does not need to modify the signal definition of the backplane interface to ensure compatibility with the existing ATC A system.
  • console can select the service board to be monitored as needed, and remotely control the KVM over IP module on the service board to start or sleep, which saves power and reduces the invalid network load.
  • the present invention can be implemented by means of software plus necessary general hardware, and of course, by hardware, but in many cases, the former is a better implementation. .
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • a hard disk or optical disk or the like includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

Abstract

本发明实施例公开了一种键盘显示器鼠标KVM数据传输的方法、业务板及系统,涉及通信技术领域,既能为KVM数据提供足够带宽的通道,又能保证与现有ATCA系统的兼容性。本发明的方法包括:业务板将KVM数据转换为KVM分组报文(101);将所述KVM分组报文通过BASE通道发送给交换板,以使得所述交换板将所述KVM分组报文转发给远程的控制台(102)。本发明实施例主要用于基于ATCA实现KVM数据传输的过程中。

Description

KVM数据传输的方法、 业务板及系统
技术领域
本发明涉及通信技术领域,尤其涉及一种 KVM数据传输的方法、业务板 及系统。 背景技术 随着互联网业务的快速发展和用户数量的持续增长, 网络流量也在不断 攀升, 使得服务器等 IT设备的应用和部署尤为重要。 服务器为互联网用户提 供 Web访问、 文件下载、 流媒体等多种业务的同时, 也要提供图形用户界面 和键盘、 鼠标接口, 便于网络维护人员配置和维护设备。 一般将服务器的键 盘、 显示器、 鼠标等人机界面统称为 KVM ( Keyboard, Video, Mouse,键盘、 显示器、 鼠标)。 由于服务器的数量很多, 维护的时候不可能将 KVM逐一连 接到每台服务器上, 因此最初的做法如图 1所示,是将一套 KVM连接到一台 外置的 KVM交换机设备上,后者再与多台服务器相连。这种方法虽然实现了 服务器的远程管理, 但是由于每台服务器都要提供键盘鼠标和显示器电缆, 带来了成本增加和布线杂乱的问题; 又因为釆用的是模拟切换的方式, 键盘、 鼠标和显示器电缆不能太长, 一般只有几十米, 否则影响信号质量, 所以只 能管理本地的服务器, 存在地域限制。
为了克服布线杂乱和地域限制的问题, 目前使用一种 KVM over IP (基于 IP的 KVM )技术, 该技术将 KVM数据转换为 IP报文, 并通过网络传输, 有效解决了上述问题。具体的,如图 2所示,每台服务器上都提供了一个 KVM over IP模块, 该 KVM over IP模块可以将显卡的视频输出转换为以太网报文 并发送给控制台, 或者将控制台上经过打包的键盘、 鼠标信息还原为原始数 缆的数量, 解决了布线杂乱的问题; 并且服务器与交换机、 交换机与控制台 之间都是用网络连接, 这样控制台和服务器就可以分隔在不同的城市, 解决 了地域限制的问题。
ATCA(Advanced Telecom Computing Architecture, 高级电信计算架构)是 一个基于 PICMG 标准的电信级平台, 考虑了电信领域对性能和可靠性的需 求。 ATCA架构提供了独立的管理通道和业务通道, 管理通道包括基于 IPMI ( Intelligent Platform Management Interface, 智能平台管理接口 )协议的 IPMB ( Intelligent Platform Management Bus, 智能平台管理总线 )通道和基于 IP协 议的 BASE通道(管理通道),业务通道则是多种协议可选的 FABRIC通道(业 务通道)。 如图 3所示, 这些通道都是双星型结构, 即每块业务板都提供了两 路 IPMB接口、 两路 BASE接口和两路 FABRIC接口 , 前者与两块管理板相 连, 后面两者均与两块交换板相连。
目前, 基于 ATCA架构, 现有技术中存在两种传输 KVM信息的方案: 一种方案是釆用 IPMB通道来传输 KVM信息, 具体的, 如图 4所示。 业 务板的南桥提供 PCI总线, 连接一个 PCI接口的显示芯片, 它输出的视频信 息通过 DVI接口送给 FPGA。 FPGA将视频数据压缩后通过 LPC接口送给 BMC BMC是一个性能较低的专用于管理的处理器,它直接与背板上的 IPMB 将 IPMI报文转换为 IP报文, 通过 BASE通道的网口送到交换板, 交换板通 过自己面板上的网口送给远端的控制台。 由于视频信息的数据量很大, 例如 分辨率 1024*768、 刷新率 75Hz、 24位真彩色时数据量为 1.4Gbps, 而 IPMB 通道的最大带宽为 400Kbps, 两条 IPMB通道同时使用也只有 800Kbps, 远低 于 1.4Gbps, 所以必须对视频数据进行大幅度的压缩, 才可以满足带宽要求, 但是经过大幅度压缩的视频图像的质量、 刷新率必然受到很大的影响, 带来 图像失真的问题。 BMC还通过两个 USB接口与南桥相连, 可以模拟键盘、 鼠标的操作, 还是因为 IPMB 带宽太低的问题, 上述压缩后的视频数据已经 勉强可以在上面传输, 数据量太大导致用户操作键盘鼠标的延时较大, 并且 影响正常的 IPMI通信。
为了克服传输通道带宽太低的缺陷, 现有技术中提出另一种方案, 该方 案为将 ATCA业务板 Zone 1连接器上的 4个保留管脚自定义为一个 FE通道(两 个发送信号, 两个接收信号), 通过该 FE通道传输 KVM数据。 具体的, 如 图 5所示,每块业务板上有一个 KVM over IP模块,可以将 KVM数据转换为
IP报文, 并通过上述 FE通道传递到管理板上。 由于 ATCA规范并没有限制 管理板的实现方式 (例如背板接口的信号定义、 连接器选型、 插槽位置等), 因 此可以在管理板上提供一个交换芯片, 将来自所有业务板的 KVM over IP报 文汇聚起来, 再通过面板上的另一个网口送到远端的控制台。 由于该种方案 修改了背板接口的定义, 原有的背板和管理板必须改板才能和业务板配套使 用, 兼容性比较差。
在实现上述基于 ATCA架构的 KVM数据传输过程中, 发明人发现现有 技术中至少存在如下问题: 当釆用 IPMB通道来传输 KVM信息时, 虽然不存 在兼容性差的问题, 但是由于数据传输通道带宽不足, 会导致图像失真和鼠 标、 键盘操作延时的问题; 当釆用自定义为的 FE通道传输 KVM信息时, 虽 然数据传输通道带宽不受限制,但是由于 FE通道为通过业务板 Zonel连接器 上的 4个保留管脚自定义的通道, 要求定制单板和背板, 兼容性差。 发明内容
本发明的实施例提供一种 KVM数据传输的方法、业务板及系统, 既能为 KVM数据提供足够带宽的通道, 又能保证与现有 ATCA系统的兼容性。
为达到上述目的, 本发明的实施例釆用如下技术方案:
一种 KVM数据传输的方法, 包括:
业务板将键盘显示器鼠标 KVM数据转换为 KVM分组报文;
将所述 KVM分组报文转发给远程的控制台。
一种业务板, 包括:
数据转换模块,用于将键盘显示器鼠标 KVM数据转换为 KVM分组报文; 发送模块, 用于将所述数据转换模块得到的所述 KVM 分组报文通过
- 3 - BASE通道发送给交换板, 以使得所述交换板将所述 KVM分组报文转发给远 程的控制台。
一种 KVM数据传输的系统, 包括: 交换板和业务板;
所述业务板, 用于将键盘显示器鼠标 KVM数据转换为 KVM分组报文; 述 KVM分组报文转发给远程的控制台;
所述交换板,用于接收所述业务板通过 BASE通道发送的 KVM分组报文, 并将所述 KVM分组报文发送给所述远程控制台。
本发明实施例提供的 KVM数据传输的方法、业务板及系统, 与现有技术 相比,将业务板上的 KVM数据转换为 KVM分组 4艮文并通过 BASE通道传递 给交换板。 由于 BASE通道有 1000Mbps带宽, 而 KVM数据经过适当压缩之 后只需要 10Mbps的带宽, 实现了为 KVM数据提供一个有足够带宽的通道; 并且在业务板上提供一个交换芯片, 该交换芯片上的网口取代业务板上原有 的 BASE网口构成一个新的 BASE通道, 不用修改背板接口的信号定义, 保 证了与现有 ATC A系统的兼容性。 附图说明 施例或现有技术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。
图 1为背景技术中釆用外置 KVM交换机的连接方式图;
图 2为背景技术中釆用 KVM over IP模块的连接方式图;
图 3为背景技术中 ATCA的架构原理图;
图 4为现有技术 1KVM数据传输实现方法连接图;
图 5为现有技术 2KVM数据传输的实现方法连接图;
图 6为本发明实施例 1的 KVM数据传输的方法流程图;
- 4 - 图 7为本发明实施例 2的 KVM数据传输的方法连接图;
图 8为本发明实施例 2中 KVM数据传输方法流程图;
图 9为本发明实施例 2中 KVM数据和第一报文传输方法流程图; 图 10为本发明实施例 2中 KVMoverlP模块通过 IPMB通道启动的流程 图;
图 11为本发明实施例 2中 KVMoverlP模块通过 BASE通道启动的流程 图;
图 12为本发明实施例 2中 KVMoverlP模块通过 IPMB通道关闭的流程 图;
图 13为本发明实施例 2中 KVMoverlP模块通过 BASE通道关闭的流程 图;
图 14为本发明实施例 3的 KVM数据传输方法连接图;
图 15为本发明实施例 3中 KVM数据传输的方法流程图;
图 16为本发明实施例 3中 KVM数据和第一报文通过交换芯片传输方法 流程图;
图 17为本发明实施例 4中业务板的基本组成示意图;
图 18为本发明实施例 4中内置交换芯片提供两个网口时业务板的组成示 意图;
图 19为本发明实施例 4中内置交换芯片仅提供一个网口时业务板的组成 示意图;
图 20为本发明实施例 4中包含检测模块和触发模块时业务板的组成示意 图;
图 21为本发明实施例 4中 KVM数据传输系统的组成示意图。 具体实施方式 下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行 清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而 不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有作 出创造性劳动前提下所获得的所有其他实施例, 都属于本发明保护的范围。
实施例 1
本发明实施例提供一种 KVM数据传输的方法,如图 6所示,该方法包括: 101、 业务板将 KVM数据转换为 KVM分组 4艮文。
其中, 所述业务板将 KVM数据转换为 KVM分组报文, 可以通过所述业 务板内置的 KVM over IP芯片将 KVM数据转换为 KVM分组才艮文,也可以通 过分立器件将 KVM数据转换为 KVM分组报文, 具体实施时, 本发明实施例 对此不进行限制, 可以根据用户的需求具体选择。 交换板将所述 KVM分组报文转发给远程的控制台。
其中, 所述 BASE通道是业务板上固有的通道, 在 ATCA系统中一般仅 用于单板之间的心跳检测、 软件升级时的数据加载等场合, 绝大多数时间内 数据量很小, 没有充分利用 1000Mbps的带宽。 因此通过 BASE通道来传输 KVM数据可以保证足够的带宽。
本发明实施例中 ,通过业务板上的 BASE通道来传输 KVM分组报文, 由 于 BASE通道有 1000Mbps 带宽, 而 KVM数据经过适当压缩之后只需要 10Mbps的带宽, 实现了为 KVM数据提供一个有足够带宽的通道并且 BASE 网口不改变原始接口定义, 不用修改背板接口的信号定义, 保证了与现有 ATCA系统的兼容性。
实施例 2
本发明实施例提供一种 KVM数据传输的方法,本发明实施例以交换芯片 提供两个 BASE网口从背板输出为例,具体阐述该 KVM数据传输的方法,如 图 7所示: 在 ATCA的业务板上提供一个只需要完成二层功能的 GE交换芯 片, 端口至少有 5个。 将业务板上原有的两个 BASE通道网口连接到交换芯 片的两个端口上, 再将 KVM over IP芯片的输出也连接到交换芯片的一个端 口上, 交换芯片再提供两个端口从背板输出, 作为业务板的 BASE通道(网 口 1、 网口 2 )。 交换芯片上的两个网口分别与两个交换板上的交换芯片连接, 交换板上的交换芯片和业务板上的交换芯片不是同一个型号, 因为所需的端 口数不同。
其中, 所述交换芯片可以在上电复位后自动配置, 不需要业务板上的处 理器干预, 这样在业务板启动过程中控制台仍然可以监控它。 这种自动配置 功能是通过交换芯片外接的非易失存储器实现的, 里面事先烧入了芯片的配 置数据, 在业务板上电复位后自动加载到交换芯片中。 业务板中的 KVM over IP模块可以是专用的 KVM over IP集成芯片, 也可以是由分立器件组成。 KVM over IP芯片内部通常集成了处理器, 在业务板上电复位后可以自行完成配置, 也不需要单板上的处理器干预。这样, GE交换芯片和 KVM over IP芯片完全独 立于业务板, 不会因为业务板发生故障而无法工作, 有助于对业务板的持续 监控和故障定位。
当仅有 KVM业务时, 该 KVM数据传输的方法, 如图 8所示, 包括: 201、 业务板上内置的 KVM over IP模块将 KVM数据转换为 KVM分组 报文。
202、 将所述 KVM分组报文发送给所述业务板内置的交换芯片。
203、 通过所述交换芯片的两个 BASE网口中的任一个 BASE网口, 将所 述 KVM分组报文发送给交换板。
204、 交换板通过自己面板上的网口以及外置的以太网交换机( LS W )把 报文转发给远程控制台。
当有 KVM业务和所述业务板原有 BASE网口的第一报文业务时,该 KVM 数据传输的方法如图 9所示, 包括:
301、 业务板上内置的交换芯片接收来自原有 BASE网口的第一报文和业 务板上内置的 KVM over IP模块发送的 KVM分组才艮文。
302、 交换芯片将所述第一报文和所述 KVM分组报文进行汇聚。
303、 利用所述交换芯片的任一 BASE网口, 将汇聚后的报文发送给交换 板。 304、 所述交换板接收到汇聚后的报文之后, 将所述 KVM分组报文发送 给远程的控制台, 并将所述第一报文发送给管理板。
其中, 所述交换板也与管理板相连, 图 7 中未画出。 来自业务板 BASE 通道的数据包括了原有的 BASE网口的第一报文和新增的 KVM分组报文,它 们在交换板上通过预先设定的目的 MAC地址转发到不同的位置,例如管理信 息转发到管理板, KVM信息转发到控制台。
图 7中只是一个 ATCA插框的实施例,每个插框对外提供两个网口与 LSW 相连, 连线数量大大减少, 多个 ATCA插框的情况与此类似。 为了保证可靠 性通常使用两个 LSW, 将两个交换板的外出网口分别与两个 LSW相连, 控 制台也有两个网口与两个 LSW相连, 这样可以避免单个 LSW发生故障造成 整个链路不通。
进一步的, 如果业务板上的 KVM over IP模块在上电复位之后就立即开始 工作, 将 KVM数据转换为 IP报文并发送到控制台, 大量的业务板执行这种操 作势必会造成网络的拥塞。 因为控制台能同时监控的业务板数量是有限的, 那些没有被监控的业务板没有必要执行 KVM over IP操作, 增加无效的网络负 载和能源消耗, 因此可以将这些业务板的 KVM over IP模块关闭, 使它们处于 空闲或休眠状态, 具体方法可以是将它们置为复位态、 通知该模块自行进入 空闲或休眠状态, 例如关闭内部单元的时钟或电源等。 当需要启动 KVM over IP功能时, BMC可以提供一个唤醒中断信号或一个自定义的电平信号来实现。 这些方法属于现有技术, 此处不再赘述。
因此, KVM over IP模块的缺省状态是不工作的,其保持空闲或休眠状态。 按照以下流程启动 KVM over IP模块, 如图 10所示, 包括:
401、 控制台上执行监控程序, 指定某块业务板并打开监控窗口。
402、 控制台通过网口将开始 KVM数据转换命令报文下发到外置 LSW以 及交换板。
403、 交换板将开始 KVM数据转换命令报文转发到管理板
404、 管理板通过 IPMB通道将开始 KVM数据转换命令转发到对应业务板
- 8 - 的 BMC上。
405、 业务板的 BMC将本板的 KVM over IP模块唤醒, 开始执行 KVM数据 的转换工作。
需要说明的是, 控制台在向业务板发送开始 KVM数据转换命令时, 除上 述通过管理板发送外, 还可以通过业务板背板上的 BASE通道直接将该开始 KVM数据转换命令发送给业务板, 如图 11所示, 具体发送开始 KVM数据转换 命令的方法为:
501、 控制台上执行监控程序, 指定某块业务板并打开监控窗口。
502、 控制台通过网口将开始 KVM数据转换命令报文下发到外置 LSW以 及交换板。
503、交换板通过 BASE通道将开始 KVM数据转换命令报文直接转发到对 应业务板的内置交换芯片上。
504、 业务板的内置交换芯片将本板的 KVM over IP模块唤醒, 开始执行 KVM数据的转换工作。
如果用户关闭了某块业务板的监控窗口, 则按照以下流程让 KVM over IP 模块休眠, 如图 12所示, 包括:
601、 控制台通过网口将终止 KVM数据转换命令报文下发到外置 LSW以 及交换板。
602、 交换板将终止 KVM数据转换命令报文转发到管理板。 板的 BMC上。
604、 业务板的 BMC通知本板的 KVM over IP模块进入空闲或休眠状态, 不再执行 KVM数据的转换工作。
需要说明的是, 控制台在向业务板发送终止 KVM数据转换命令时, 除上 述通过管理板发送外, 还可以通过业务板背板上的 BASE通道将该终止 KVM 数据转换命令直接发送给业务板, 如图 13所示, 具体发送终止 KVM数据转换 命令的方法为:
- 9 - 701、 控制台通过网口将终止 KVM数据转换命令报文下发到外置 LSW以 及交换板。 应业务板的内置交换芯片上。
703、 业务板的内置交换芯片通知本板的 KVM over IP模块进入空闲或休 眠状态, 不再执行 KVM数据的转换工作。
本发明实施例中, 通过业务板上的 BASE通道来传输 KVM分组报文, 由 于 BASE通道有 1000Mbps带宽, 而 KVM数据经过适当压缩之后只需要 10Mbps 的带宽,实现了为 KVM数据提供一个有足够带宽的通道并且 BASE网口不改变 原始接口定义, 不用修改背板接口的信号定义, 保证了与现有 ATCA系统的兼 容性。
并且, 本发明实施例中交换芯片的两个 BASE网口均可分别工作, 不会 因为一个交换板或网口故障而导致 KVM数据不可用, 可靠性强。
另外, 控制台可以根据需要选择要监控的业务板, 并远程控制业务板上 的 KVM over IP模块启动或休眠, 起到节约功耗和减少无效网络负载的作用。
实施例 3
本发明实施例提供一种 KVM数据传输的方法, 在某些成本敏感、 对 KVM的可靠性要求不高的场合, 可以使用一个端口数较少的交换芯片, 例如 3个端口。 具体的, 如图 14所示: 业务板上原有的一个 BASE网口直接连接 到交换板, 另一个 BASE网口则与 KVM over IP模块的网口都连接到本板的 交换芯片, 交换芯片再提供一个网口连接到另一个交换板。 在这种配置情况 下, 当与网口 2相连的交换板发生故障后,远程控制台到整框的 KVM链路将 中断, 而 BASE通道的管理数据不会受影响, 因为它还可以通过网口 1来传 递。
当仅有 KVM业务时, 该 KVM数据传输的方法, 如图 15所示, 包括: 801、 业务板上内置的 KVM over IP模块将 KVM数据转换为 KVM分组 报文。
- 10 - 802、 将所述 KVM分组报文发送给所述业务板内置的交换芯片。
803、 通过所述交换芯片仅有的一个 BASE网口, 将所述 KVM分组 4艮文 发送给交换板。
804、 交换板通过自己面板上的网口以及外置的 LSW把报文转发给远程 控制台。
当既有 KVM业务,也有所述业务板原有 BASE网口的第一报文业务,并 且该第一报文通过所述交换芯片的仅有的一个 BASE网口传输时,该 KVM数 据传输的方法, 如图 16所示, 包括:
901、 业务板上内置的交换芯片接收来自原有 BASE网口的第一报文和业 务板上内置的 KVM over IP模块发送的 KVM分组才艮文。
902、 交换芯片将所述第一报文和所述 KVM分组报文进行汇聚。
903、 利用所述交换芯片仅有的一个的 BASE网口, 将汇聚后的报文发送 给交换板。
904、 所述交换板接收到汇聚后的报文之后, 将所述 KVM分组报文发送 给远程的控制台, 并将所述第一报文发送给管理板。
其中, 所述交换板也与管理板相连, 图 14中未画出。 来自业务板 BASE 通道的数据包括了原有的 BASE网口的第一报文和新增的 KVM分组报文,它 们在交换板上通过预先设定的目的 MAC地址转发到不同的位置,例如管理信 息转发到管理板, KVM信息转发到控制台。
当业务板原有 BASE网口的第一 4艮文业务通过网口 1来传输时, 其具体 的传输方法可以参考现有技术中的相应描述, 本发明实施例此处将不再赘述。 KVM over IP模块的缺省状态是不工作的,其保持空闲或休眠状态。启动 KVM over IP模块的方法与实施例 2中图 10和图 11的方法一样, 关闭 KVM overIP模块 的方法也与实施例 2中图 12和图 13的方法一样, 本发明实施例将不再赘述。
本发明实施例中, 通过业务板上的 BASE通道来传输 KVM分组报文, 由 于 BASE通道有 1000Mbps带宽, 而 KVM数据经过适当压缩之后只需要 10Mbps 的带宽,实现了为 KVM数据提供一个有足够带宽的通道并且 BASE网口不改变
- 11 - 原始接口定义, 不用修改背板接口的信号定义, 保证了与现有 ATCA系统的兼 容性。
并且, 业务板上内置交换芯片只需连接 KVM over IP模块和原 BASE网 口中的一个网口, 并且只提供一个网口连接到交换板, 所以交换芯片的接口 数量少, 能节约成本并且保留了一个原有的 BASE网口, 即使 KVM数据所在 的 BASE网口故障也不会影响原始的管理数据通信。
另外, 控制台可以根据需要选择要监控的业务板, 并远程控制业务板上 的 KVM over IP模块启动或休眠, 起到节约功耗和减少无效网络负载的作用。
实施例 4
本发明实施例提供一种业务板, 如图 17所示, 包括: 数据转换模块 1001 和发送模块 1002。
业务板提供了两路 IPMB接口、 两路 BASE接口和两路 FABRIC接口, 前者 与两块管理板相连, 后两者分别与两块交换板相连。 BASE通道必须釆用 10/100/1000BASE-T, 带宽为 ΙΟ/100/lOOOMbps自适应。 FABRIC通道有多种选 择, 可以是 GE、 10GE、 PCI Express, InfiniBand等。 此外, ATCA架构中还定 义了 update通道和同步时钟, 用于两块单板之间的数据备份或支持 TDM业务。
ATCA单板的背板接口从下到上分为 Zonel、 Zone2和 Zone3共三个区域: Zonel区域包含一个连接器,用于传递 -48V电源、 IPMB通道和单板的槽位号; Zone2区域包括 1-5个连接器, 通常业务板有 2个连接器, 交换板有 5个连接 器,用于连接 BASE通道、 FABRIC通道、 update通道和同步时钟信息; Zone3 区域用于和后插板通信, 例如提供对外的业务接口, 可以使用自定义的连接 器。 Zonel和 Zone2连接器类型是 ATCA规范定义的, 不能改动。
所述数据转换模块 1001, 用于将 KVM数据转换为 KVM分组报文; 所述数 据转换模块 1001为所述业务板内置的 KVM over IP芯片或分立器件。
所述发送模块 1002, 用于将所述数据转换模块 1001得到的所述 KVM分 组报文通过 BASE通道发送给交换板,以使得所述交换板将所述 KVM分组报 文转发给远程的控制台。
- 12 - 进一步的, 如图 18所示, 所述发送模块 1002包括: 第一发送单元 10021 和第一交换芯片 10022,所述第一交换芯片包括两个 BASE网口(网口 100221 和网口 100222 )。
所述第一发送单元 10021 , 用于将所述数据转换模块 1001 得到的所述 KVM分组报文发送给所述第一交换芯片 10022。
所述第一交换芯片 10022, 用于通过所述两个 BASE网口 (网口 100221 和网口 100222 ) 中的任一个 BASE网口, 将所述 KVM分组才艮文发送给交换 板。
同时, 如图 18所示, 所述业务板还包括: 所述业务板原有的两个 BASE 网口 1003 , 所述业务板原有的两个 BASE网口 1003均与所述第一交换芯片 10022连接;
所述第一交换芯片 10022还用于, 接收所述业务板原有 BASE网口 1003 的第一报文, 并将所述第一报文和所述 KVM分组报文进行汇聚, 并利用所述 第一交换芯片 10022包含的两个 BASE网口中的任一 BASE网口, 将汇聚后 控制台, 并将所述第一报文发送给管理板。
进一步的, 如图 19所示, 发送模块 1002包括: 第二发送单元 10023和 第二交换芯片 10024, 所述第二交换芯片 10024包括仅有的一个 BASE网口 100241。
所述第二发送单元 10023 , 用于将所述数据转换模块 1001 得到的所述 KVM分组报文发送给所述第二交换芯片 10024。
所述第二交换芯片 10024通过所述仅有的一个 BASE网口 100241 , 将所 述 KVM分组报文发送给交换板。
同时, 如图 19所示, 所述业务板还包括: 所述业务板原有的两个 BASE 网口 1003 ,所述业务板原有的两个 BASE网口 1003(网口 10031和网口 10032 ) 中的一个网口 10032与所述第二交换芯片 10024连接, 另一个网口 10031保 留原始连接方式。
- 13 - 所述第二交换芯片 10024还用于,接收所述业务板原有 BASE网口 10032 的第一报文, 并将所述第一报文和所述 KVM分组报文进行汇聚, 并利用所述 第二交换芯片 10024包含的仅有的一个 BASE网口 100241将汇聚后的报文发 送给交换板, 以使得所述交换板将所述 KVM分组报文发送给远程的控制台, 并将所述第一报文发送给管理板。
进一步的, 如图 20所示, 所述业务板还包括: 检测模块 1004和触发模 块漏5。
所述检测模块 1004, 用于在所述数据转换模块 1001将 KVM数据转换为 KVM分组报文之前, 检测是否接收到所述远程控制台发送的开始 KVM数据 转换命令;还用于检测是否接收到所述远程控制台发送的终止 KVM数据转换 的命令。
所述触发模块 1005, 用于在所述检测模块 1004检测到接收到所述开始 KVM数据转换命令时,激活所述数据转换模块 1001将 KVM数据转换为 KVM 分组报文; 还用于在所述检测模块检测 1004到接收到所述终止 KVM数据转 换的命令时,触发所述数据转换模块 1001终止执行将 KVM数据转换为 KVM 分组报文。
需要说明的是, 本发明实施例所述业务板所包含功能模块的其他描述, 可以参考实施例 1-实施例 3对应部分的描述, 本发明实施例此处将不再赘述。
本发明实施例还提供一种 KVM数据传输的系统, 如图 21所示, 该系统 包括: 业务板 1101和交换板 1102。
所述业务板 1101 ,用于将键盘显示器鼠标 KVM数据转换为 KVM分组报 文; 将所述 KVM分组报文通过 BASE通道发送给交换板 1102, 以使得所述 交换板将所述 KVM分组报文转发给远程的控制台。
所述交换板 1102,用于接收所述业务板 1101通过 BASE通道发送的 KVM 分组报文, 并将所述 KVM分组报文发送给所述远程控制台。
需要说明的是, 本发明实施例所述系统所包含功能模块的其他描述, 可 以参考实施例 1-实施例 3以及实施例 4对应装置部分的描述, 本发明实施例
- 14 - 此处将不再赘述。
本发明实施例中 ,通过业务板上的 BASE通道来传输 KVM分组报文, 由 于 BASE通道有 1000Mbps 带宽, 而 KVM数据经过适当压缩之后只需要 10Mbps的带宽, 实现了为 KVM数据提供一个有足够带宽的通道。
并且, BASE网口不改变原始接口定义, 不用修改背板接口的信号定义, 保证了与现有 ATC A系统的兼容性。
另外, 控制台可以根据需要选择要监控的业务板, 并远程控制业务板上 的 KVM over IP模块启动或休眠, 起到节约功耗和减少无效网络负载的作用。
通过以上的实施方式的描述, 所属领域的技术人员可以清楚地了解到本 发明可借助软件加必需的通用硬件的方式来实现, 当然也可以通过硬件, 但 很多情况下前者是更佳的实施方式。 基于这样的理解, 本发明的技术方案本 质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来, 该 计算机软件产品存储在可读取的存储介质中, 如计算机的软盘, 硬盘或光盘 等, 包括若干指令用以使得一台计算机设备(可以是个人计算机, 服务器, 或者网络设备等)执行本发明各个实施例所述的方法。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局限 于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易 想到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护 范围应以所述权利要求的保护范围为准。
- 15 -

Claims

权利要求 书
1、 一种 KVM数据传输的方法, 其特征在于, 包括:
业务板将键盘显示器鼠标 KVM数据转换为 KVM分组报文;
将所述 KVM分组报文通过 BASE通道发送给交换板,以使得所述交换板将 所述 KVM分组报文转发给远程的控制台。
2、 根据权利要求 1所述的方法, 其特征在于, 所述将所述 KVM分组报文 通过 BASE通道发送给交换板, 包括:
将所述 KVM分组报文发送给所述业务板内置的交换芯片,所述交换芯片包 含一个或两个 BASE网口;
当所述交换芯片包含两个 BASE网口时, 通过所述交换芯片的两个 BASE 网口中的任一个 BASE网口, 将所述 KVM分组报文发送给交换板; 或者
当所述交换芯片包含一个 BASE网口时, 通过所述交换芯片的一个 BASE 网口, 将所迷 KVM分组报文发送给交换板。
3、 根据权利要求 2所述的方法, 其特征在于, 还包括:
当所述交换芯片包含两个 BASE 网口时; 或者当所述交换芯片包含一个
BASE网口 ,并通过所述交换芯片的一个 BASE网口传输所述业务板原有 BASE 网口的第一报文时, 所述交换芯片还用于:
接收所述第一报文, 并将所述第一报文和所述 KVM分组报文进行汇聚; 利用所述交换芯片包含的 BASE网口, 将汇聚后的报文发送给交换板, 以 使得所述交换板将所述 KVM分组报文发送给远程的控制台,并将所述第一报文 发送给管理板。
4、 根据权利要求 1 所述的方法, 其特征在于, 当所述交换芯片包含一个 BASE网口, 并通过所述业务板原有 BASE网口传输第一报文时, 还包括: 将所述业务板的第一报文, 通过所述业务板原有的 BASE 网口发送给管理 板。
5、 根据权利要求 1-4任一项所述的方法, 其特征在于, 在业务板将 KVM 数据转换为 KVM分组报文之前, 该方法还包括: 检测是否接收到所述远程控制台发送的开始 KVM数据转换命令; 当检测到接收到所述开始 KVM数据转换命令时,执行所述将 KVM数据转 换为 KVM分组报文。
6、根据权利要求 5所述的方法,其特征在于,所述将 VM数据转换为 KVM 分组报文包括:
通过所述业务板内置的 KVM over IP芯片或分立器件将 KVM数据转换为 KVM分组报文。
7、 根据权利要求 5 所述的方法, 其特征在于, 所述远程控制台发送开始 VM数据转换命令包括:
所述远程控制台经过所述交换板,并通过所述 BASE通道发送开始 KVM数 据转换命令; 或者
所述远程控制台经过管理板,并从 IPMB通道发送开始 KVM数据转换命令。
8、 根据权利要求 1-4任一项所述的方法, 其特征在于, 还包括:
检测是否接收到所迷远程控制台发送的终止 KVM数据转换的命令; 当检测到接收到所述终止 KVM数据转换的命令时,终止执行将 VM数据 转换为 KVM分组报文。
9、 一种业务板, 其特征在于, 包括:
数据转换模块, 用于将键盘显示器鼠标 KVM数据转换为 KVM分组 文; 发送模块,用于将所述数据转换模块得到的所述 KVM分组报文通过 BASE 通道发送给交换板,以使得所述交换板将所述 KVM分组报文转发给远程的控制
10、 根据权利要求 9所述的业务板, 其特征在于, 所述发送模块包括: 第 一发送单元和第一交换芯片, 所述笫一交换芯片包括两个 BASE网口;
所述第一发送单元,用于将所述数据转换模块得到的所述 KVM分组报文发 送给所述第一交换芯片;
所迷第一交换芯片,用于通过所述两个 BASE网口中的任一个 BASE网口 , 将所述 KVM分组报文发送给交换板。
11、 根据权利要求 10所述的业务板, 其特征在于, 还包括: 所述业务板原 有的两个 BASE网口, 所述业务板原有的两个 BASE网口均与所述第一交换芯 片连接;
所述第一交换芯片还用于, 接收所述业务板原有 BASE 网口的第一报文, 并将所述第一报文和所述 KVM分组报文进行汇聚,并利用所述交换芯片包含的 两个 BASE网口中的任一 BASE网口, 将汇聚后的报文发送给交换板, 以使得 所述交换板将所述 KVM分组报文发送给远程的控制台,并将所述第一报文发送 给管理板。
12、 根据权利要求 9所述的业务板, 其特征在于, 所述发送模块包括: 第 二发送单元和第二交换芯片, 所述第二交换芯片包括一个 BASE网口;
所述第二发送单元,用于将所述数据转换模块得到的所述 KVM分组报文发 送给所述第二交换芯片;
所述第二交换芯片通过所述一个 BASE网口,将所述 KVM分组报文发送给 交换板。
13、 根据权利要求 12所述的业务板, 其特征在于, 还包括: 所述业务板原 有的两个 BASE网口, 所述业务板原有的两个 BASE网口中的一个 BASE网口 与所述第二交换芯片连接;
当将所述业务板原有 BASE 网口的第一报文发送给所述交换芯片时, 所述 第二交换芯片还用于,接收所述第一报文,并将所述第一报文和所述 KVM分组 报文进行汇聚, 利用所述交换芯片包含的一个 BASE 网口将汇聚后的报文发送 给交换板, 以使得所述交换板将所述 KVM分组报文发送给远程的控制台,并将 所述第一报文发送给管理板。
14、 根据权利要求 9-13中任一项所述的业务板, 其特征在于, 还包括: 检测模块,用于在所述数据转换模块将 KVM数据转换为 KVM分组报文之 前, 检测是否接收到所述远程控制台发送的开始 KVM数据转换命令;
触发模块,用于在所述检测模块检测到接收到所述开始 KVM数据转换命令 时, 激活所述数据转换模块将 KVM数据转换为 KVM分组 4艮文。
15、 根据权利要求 14所述的业务板, 其特征在于, 所述数据转换模块为所 述业务板内置的 KVM over IP芯片或分立器件。
16、 根据权利要求 14所述的业务板, 其特征在于,
所述检测模块还用于检测是否接收到所述远程控制台发送的终止 KVM数 据转换的命令;
所述触发模块还用于,在所述检测模块检测到接收到所迷终止 KVM数据转 换的命令时,触发所述数据转换模块终止执行将 KVM数据转换为 KVM分组报 文。
17、 一种 KVM数据传输的系统, 其特征在于, 包括: 交换板和如权利要求 9-16中任一项所述的业务板;
所述交换板, 用于接收所述业务板通过 BASE通道发送的 KVM分组报文, 并将所述 KVM分组报文发送给所述远程控制台。
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