WO2018107749A1 - 一种在集群服务器系统中进行数据交换的方法 - Google Patents

一种在集群服务器系统中进行数据交换的方法 Download PDF

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Publication number
WO2018107749A1
WO2018107749A1 PCT/CN2017/093619 CN2017093619W WO2018107749A1 WO 2018107749 A1 WO2018107749 A1 WO 2018107749A1 CN 2017093619 W CN2017093619 W CN 2017093619W WO 2018107749 A1 WO2018107749 A1 WO 2018107749A1
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data
node
cluster
server
data exchange
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PCT/CN2017/093619
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English (en)
French (fr)
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刘涛
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郑州云海信息技术有限公司
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Priority to US16/096,597 priority Critical patent/US20190140862A1/en
Publication of WO2018107749A1 publication Critical patent/WO2018107749A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42Loop networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/10Flow control; Congestion control
    • H04L47/12Avoiding congestion; Recovering from congestion
    • H04L47/125Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/25Routing or path finding in a switch fabric
    • H04L49/253Routing or path finding in a switch fabric using establishment or release of connections between ports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/30Peripheral units, e.g. input or output ports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40Support for services or applications
    • 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
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1001Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • H04L67/1004Server selection for load balancing
    • H04L67/1008Server selection for load balancing based on parameters of servers, e.g. available memory or workload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42Loop networks
    • H04L2012/421Interconnected ring systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00Indexing scheme associated with group H04L61/00
    • H04L2101/60Types of network addresses
    • H04L2101/618Details of network addresses
    • H04L2101/622Layer-2 addresses, e.g. medium access control [MAC] addresses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/66Layer 2 routing, e.g. in Ethernet based MAN's

Definitions

  • the present invention relates to the field of computer communications, and in particular, to a method for data exchange in a cluster server system, which aims to solve the problem of low maintenance efficiency and insufficient system cost in the server node data exchange design of the current cluster system.
  • efficient and low-cost data network exchange is realized.
  • the data exchange method of the current cluster server system has obvious drawbacks: First, the online seamless maintenance of the cluster server system cannot be guaranteed, the switching device fails, and the cluster server system needs to stop the business operation, which seriously affects the operation efficiency of the cluster server system. Second, the location of the switch device is fixed, all nodes access the switch, and one-to-one access is required. Due to the high spatial density of the network cabling, the overall network cost is high. For lightweight system switching applications, the cluster server The cost of the system does not have a clear advantage.
  • the present invention combines data electrical link signal operating characteristics and other key electrical factors, and invents a data exchange method in a cluster server system.
  • the main technical solutions are as follows: On each server node of the cluster server system, a double is established.
  • the data exchange control unit of the network port through which the sequential implementation of the adjacent server nodes in the cluster system is cascaded, and the data is transmitted between different nodes by the packet data embedded in the server node address, and the neighbor nodes are implemented.
  • the data exchange peers through the data exchange control unit forwarding, achieve non-neighboring node data forwarding, to ensure system flexibility.
  • the present invention is based on the data exchange design theory as a support point, specifically using the data exchange design method of the cluster server to solve the problem of low maintenance efficiency and insufficient system cost advantage in the server node data exchange design of the current cluster server system. .
  • a method for data exchange in a cluster server system wherein a cluster server system transmits data between adjacent nodes through packet data embedded with a server node address, and implements data exchange of neighboring nodes, and simultaneously passes through a data exchange control unit.
  • the method for performing data exchange specifically includes the following steps: establishing a data exchange control unit of a dual network port on a server node of the cluster server system, and a server of the cluster server system Establish a node data transmission control mechanism on the node, establish a node data forwarding control mechanism on the server node of the cluster server system, establish a ring link ring on the server node of the cluster server system, and establish a node load on the server node of the cluster server system. Automatic equalization.
  • the method for data exchange in the cluster server system is characterized in that: the data exchange control unit of the dual network port is established by using the FPGA chip MachXO, and the network providing two MDI electrical standards is provided externally. Interface, two network ports correspond to different MAC addresses, and two network ports implement independent data forwarding transmission.
  • the method for performing data exchange in the cluster server system as described above is further characterized in that: the sending control mechanism is configured to control a data exchange control unit of the dual network port, and transmit the data transmitted by the CPU through the network interface.
  • the delivery data contains data exchange control on the target receiving node.
  • the unit MAC address ensures the establishment of an accurate data link.
  • the method for performing data exchange in the cluster server system as described above is further characterized in that: the forwarding control mechanism is configured to control a data exchange control unit of the dual network port to receive data transmitted by the neighboring server node, and perform data The destination MAC address is sent to determine until the target receiving node is found.
  • the method for performing data exchange in the cluster server system as described above is further characterized in that: the ring link ring enables each server node in the cluster to communicate with each other corresponding to the network port A/B, and the physical between the nodes The transmission channel is connected by successive correspondences of adjacent nodes.
  • the method for performing data exchange in the cluster server system as described above is characterized in that: the equalization method adopted by the node load automatic balancing is: the current server node needs to send data, and all the MAC addresses in the cluster are Send the task request packet, confirm the load utilization of each node in the cluster system, select the node MAC with the smallest cluster system load utilization as the target receiving MAC, and establish the transmission link between the source end and the target end.
  • the equalization method adopted by the node load automatic balancing is: the current server node needs to send data, and all the MAC addresses in the cluster are Send the task request packet, confirm the load utilization of each node in the cluster system, select the node MAC with the smallest cluster system load utilization as the target receiving MAC, and establish the transmission link between the source end and the target end.
  • the method for performing data exchange in the cluster server system as described above is further characterized in that: the specific connection manner of the data exchange control unit of the dual network port is: connecting a motherboard-side PCIE signal to the unit, PCIE link communication of the CPU on the motherboard.
  • the method for performing data exchange in the cluster server system as described above is characterized in that, in the cluster system initialization process, the M AC addresses corresponding to the data exchange control units of all server nodes in the cluster system are summarized into a table. And stored in the EEPROM chip of the data exchange control unit of all server nodes in the cluster.
  • the method for performing data exchange in a cluster server system as described above is further characterized in that: the forwarding control mechanism is configured to receive data transmitted by a neighboring server node, and identify a MAC address of a target node included in the data. , determine whether it is consistent with the MAC address of the node, if it is consistent, the node receives, if it is inconsistent, the data continues to be transmitted through another data port, that is, the data is transmitted to the next server node, and the next node also sequentially performs the data destination address. Judge until the target receiving node is found.
  • the method for performing data exchange in the cluster server system as described above is further characterized in that: the ring link ring enables each server node in the cluster to communicate with each other corresponding to the network port A/B, that is, the first The network port B corresponding to the data exchange control unit on the server node is linked to the Gigabit network cable.
  • the network port A corresponding to the data exchange control unit of the next adjacent node, and the network port B corresponding to the data exchange control unit of the next adjacent node, and then linked to the next node corresponding to the dual network port A, sequentially, will be last
  • the corresponding network port B of a server node is linked to the network port A corresponding to the data exchange control unit on the first server node, and the ring link ring of the cluster server node establishes the beneficial effects of the invention.
  • FIG. 1 Ring link ring of a cluster server node
  • FIG. 2 Flow chart of implementation of a cluster server system.
  • a method for data exchange in a cluster server system transfers data between different nodes through packet data embedded with a server node address, and implements data exchange of neighboring nodes, and simultaneously passes through Forwarding of the data exchange control unit to implement data forwarding of non-neighboring nodes
  • the FPGA chip MachXO is used to establish a data exchange control unit of the dual network port on the server node, and the PCIE signal of the motherboard is connected to the unit, and the simulation of the PCIE protocol and the network protocol are used to realize communication with the CPU.
  • Tongyu provides two MDI electrical standard network interfaces. The two network ports correspond to different MAC addresses and are built into the EEPROM of the FPGA.
  • a sending control mechanism for the server node data is established, which is used for controlling the data exchange control unit of the dual network port on the server node, and transmitting the data transmitted by the CPU to other nodes through the network interface.
  • the MA C addresses corresponding to the data exchange control units of all server nodes in the cluster are summarized into a table and stored in the EEPROM chip of the data exchange control unit of all server nodes in the cluster.
  • the data exchange control unit of the port receives the data transmitted by the neighboring server node, identifies the MAC address of the target node included in the data, determines whether it is consistent with the MAC address of the node, and if not, transmits the data through another data port. The next node also performs data destination address judgment in turn until the target receiving node is found.
  • a ring link ring of the cluster server node is established, so that each server node corresponding to the network port A/B in the cluster can communicate with each other, that is, the server nodes in the cluster are connected successively, and the nodes are connected.
  • the physical transmission channel is connected by successive correspondences of adjacent nodes.
  • the cluster server node load automatic balancing is established to ensure that the target task can be efficiently executed, and the optimal performance configuration of the entire cluster is realized. That is, the current server node needs to send data, and sends a task request packet to all MAC addresses in the cluster, confirms the load utilization of each node in the cluster system, and selects the node MAC with the smallest cluster system load utilization as the target receiving MAC, and establishes The transmission link between the source and the destination implements automatic balancing of the cluster.

Abstract

在目前的服务器集群系统中,为实现数据在各个服务器节点间的交换传输,当前均普遍采用在集群服务器中安装交换机的方式,即将多端口的交换机安装在集群服务器中,各个服务器节点与该多端口交换机直接互联。随着服务器节点的应用增多,对交换机的需求与依赖越来越多,集群服务器系统的服务器节点数据交换方式成为影响系统稳定、高效运行的关键因素之一,当交换机出现故障需要更换时,整个集群系统需要停止运行,才可更换故障设备,无法实现集群系统的不间断运行维护。针对当前集群服务器系统的服务器节点数据交换设计中的维护效率低及系统成本优势不足的问题,本发明结合数据网络链路信号工作特征等关键电气因素,发明一种在集群服务器系统中进行数据交换方法,其主要技术方案为:在每个集群服务器系统的服务器节点上,建立双网络端口的数据交换控制单元,通过该单元,将集群系统中相邻的服务器节点顺序的实现级联,通过内嵌服务器节点地址的封包数据,数据在各个不同节点之间传递,在实现邻近节点的数据交换的同时,同时通过数据交换控制单元的转发,实现非邻近节点的数据转发,保证系统的灵活性。

Description

一种在集群服务器系统中进行数据交换的方法 技术领域
[0001] 本发明涉及计算机通信领域, 具体涉及一种在集群服务器系统中进行数据交换 的方法, 其目的是用来解决当前集群系统的服务器节点数据交换设计中的维护 效率低及系统成本优势不足的问题, 为了保证集群服务器系统的高效运行, 在 实际集群服务器系统交换中, 实现高效、 低成本化数据网络交换。
背景技术
[0002] 在目前的服务器集群系统中, 为充分发挥服务器集群的运算及资源优势, 需要 在集群服务器中的各个服务器节点间进行数据传输, 为实现数据在各个服务器 节点间的交换传输, 当前均普遍采用在集群服务器中安装交换机的方式, 即将 多端口的交换机安装在集群服务器中, 各个服务器节点与该多端口交换机直接 互联, 随着服务器节点的应用增多, 对交换机的需求与依赖越来越多, 集群服 务器系统的服务器节点数据交换方式成为影响系统稳定、 高效运行的关键因素 之一。 其中的核心关键为集群系统中的交换机设备, 当交换机出现故障需要更 换吋, 整个集群系统需要停止运行, 才可更换故障设备, 无法实现集群系统的 不间断运行维护。
[0003] 当前集群服务器系统的数据交换方法存在明显的弊端: 一是无法保证集群服务 器系统的在线无缝维护, 交换设备出现故障, 需要集群服务器系统停止业务运 行, 严重影响集群服务器系统的运行效率; 二是交换机设备的位置固定, 所有 节点接入交换机吋, 需要一对一的接入, 由于网络布线空间密度高, 导致整体 网络成本投入高, 对于轻量化的系统交换应用而言, 集群服务器系统的成本不 具备明显优势。
[0004] 针对当前集群服务器系统的服务器节点数据交换设计中的维护效率低及系统成 本优势不足的问题, 为了保证集群系统的高效运行, 在实际集群服务器系统中 采用高效、 低成本化数据网络交换的方法是决定集群系统优势的关键要素之一 [0005] 本发明结合数据网络链路信号工作特征等关键电气因素, 发明一种在集群服务 器系统中进行数据交换方法, 其主要技术方案为: 在每个集群服务器系统的服 务器节点上, 建立双网络端口的数据交换控制单元, 通过该单元, 将集群系统 中相邻的服务器节点顺序的实现级联, 通过内嵌服务器节点地址的封包数据, 数据在各个不同节点之间传递, 在实现邻近节点的数据交换的同吋, 同吋通过 数据交换控制单元的转发, 实现非邻近节点的数据转发, 保证系统的灵活性。 技术问题
[0006] 本发明是以数据交换设计理论为支撑点, 具体是利用集群服务器的数据交换设 计方法, 来解决当前集群服务器系统的服务器节点数据交换设计中的维护效率 低及系统成本优势不足的问题。
问题的解决方案
技术解决方案
[0007] 发明采用如下技术方案:
[0008] 一种在集群服务器系统中进行数据交换的方法,集群服务器系统通过内嵌服务 器节点地址的封包数据在各个不同节点之间传递, 实现邻近节点的数据交换, 同吋通过数据交换控制单元的转发, 实现非邻近节点的数据转发, 其特征在于 , 该进行数据交换的方法具体包括如下步骤: 在集群服务器系统的服务器节点 上建立双网络端口的数据交换控制单元, 在集群服务器系统的服务器节点上建 立节点数据的发送控制机制, 在集群服务器系统的服务器节点上建立节点数据 的转发控制机制, 在集群服务器系统的服务器节点上建立环形链接环, 在集群 服务器系统的服务器节点上建立节点负载自动均衡。
[0009] 如上所述集群服务器系统中进行数据交换的方法, 其特征还在于, 所述的双网 络端口的数据交换控制单元是采用 FPGA芯片 MachXO建立, 同吋对外提供两个 MDI电气标准的网络接口, 两个网络端口对应不同的 MAC地址, 两个网络端口 实现独立的数据转发传输。
[0010] 如上所述的集群服务器系统中进行数据交换的方法, 其特征还在于, 所述的发 送控制机制, 用于控制双网络端口的数据交换控制单元, 将 CPU传输的数据通过 网络接口传递给其他节点, 该传递数据中包含目标接收节点上的数据交换控制 单元 MAC地址, 保证准确数据链路的建立。
[0011] 如上所述的集群服务器系统中进行数据交换的方法, 其特征还在于, 所述的转 发控制机制, 用于控制双网络端口的数据交换控制单元接收邻近服务器节点传 输的数据, 进行数据发送目标 MAC地址判断, 直到找到目标接收节点。
[0012] 如上所述的集群服务器系统中进行数据交换的方法, 其特征还在于, 所述的环 形链接环使集群中各服务器节点对应网络端口 A/B可以实现相互通讯, 将节点间 的物理传输通道通过邻近节点的逐次对应连接起来。
[0013] 如上所述的集群服务器系统中进行数据交换的方法, 其特征还在于, 所述的节 点负载自动均衡采用的均衡方法为: 当前服务器节点需要发送数据吋, 会向集 群中所有 MAC地址发送任务请求数据包, 确认集群系统中每个节点的负载利用 率, 选取集群系统负载利用率最小的节点 MAC作为目标接收 MAC, 建立源端和 目标端的传输链路。
[0014] 如上所述的集群服务器系统中进行数据交换的方法, 其特征还在于, 所述双网 络端口的数据交换控制单元的具体连接方式为, 将主板端 PCIE信号连接到该单 元, 实现与主板上 CPU的 PCIE链路通讯。
[0015] 如上所述的集群服务器系统中进行数据交换的方法, 其特征还在于, 在集群系 统初始化过程中, 将集群系统中所有服务器节点的数据交换控制单元所对应的 M AC地址汇总成表格, 并且存储在集群中的所有服务器节点的数据交换控制单元 的 EEPROM芯片中。
[0016] 如上所述的集群服务器系统中进行数据交换的方法, 其特征还在于, 所述的转 发控制机制, 用于接收邻近服务器节点传输的数据, 识别数据中所包含的目标 节点的 MAC地址, 判断是否与本节点的 MAC地址一致, 如果一致则本节点接收 , 如果不一致则将数据通过另一个数据口继续传出, 即将数据传输至下一个服 务器节点, 下一个节点同样依次进行数据目标地址判断, 直到找到目标接收节 点。
[0017] 如上所述的的集群服务器系统中进行数据交换的方法, 其特征还在于, 所述的 环形链接环, 使集群中各服务器节点对应网络端口 A/B可以实现相互通讯, 即将 第一个服务器节点上数据交换控制单元所对应网络端口 B,通过千兆网线,链接到 下一个相邻节点的数据交换控制单元所对应网络端口 A, 同吋下一个相邻节点的 数据交换控制单元所对应网络端口 B, 再链接在下一个节点对应双网络端口 A, 依次进行, 将最后一个服务器节点的所对应网络端口 B链接到第一个服务器节点 上数据交换控制单元所对应网络端口 A,至此集群服务器节点的环形链接环建立 发明的有益效果
对附图的简要说明
附图说明
[0018] 图 1、 集群服务器节点的环形链接环
[0019] 图 2、 集群服务器系统实施流程图。
本发明的实施方式
[0020] 下面对本发明的内容进行更加详细的阐述:
[0021] 本发明申请的一种在集群服务器系统中进行数据交换的方法,集群服务器系统 通过内嵌服务器节点地址的封包数据在各个不同节点之间传递, 实现邻近节点 的数据交换, 同吋通过数据交换控制单元的转发, 实现非邻近节点的数据转发
[0022] 首先, 采用 FPGA芯片 MachXO, 在服务器节点上建立双网络端口的数据交换 控制单元, 将主板端 PCIE信号连接到该单元, 采用 PCIE协议模拟与网络协议的 模拟, 实现与 CPU的通讯, 同吋对外提供两个 MDI电气标准的网络接口, 两个网 络端口对应不同的 MAC地址, 内置在 FPGA的 EEPROM中。
[0023] 其次, 建立服务器节点数据的发送控制机制, 用于控制服务器节点上双网络端 口的数据交换控制单元, 将 CPU传输的数据通过网络接口传递给其他节点。 在系 统初始化过程中, 将集群中的所有服务器节点的数据交换控制单元所对应的 MA C地址汇总成表格, 并且存储在集群中的所有服务器节点的数据交换控制单元的 EEPROM芯片中。
[0024] 再次, 建立服务器节点数据的转发控制机制, 用于控制服务器节点上双网络端 口的数据交换控制单元, 接收邻近服务器节点传输的数据, 识别数据中所包含 的目标节点的 MAC地址, 判断是否与本节点的 MAC地址一致, 如果不一致则将 数据通过另一个数据口继续传出, 下一个节点同样依次进行数据目标地址判断 , 直到找到目标接收节点。
[0025] 然后, 如图 1所示, 建立集群服务器节点的环形链接环, 使集群中各服务器节 点对应网络端口 A/B可以实现相互通讯, 即将集群中的服务器节点逐次连接, 将 节点间的物理传输通道通过邻近节点的逐次对应连接起来。
[0026] 最后, 建立集群服务器节点负载自动均衡, 保证目标任务能够得到高效执行, 实现整个集群的最优化性能配置。 即当前服务器节点需要发送数据吋, 会向集 群中所有 MAC地址发送任务请求数据包, 确认集群系统中每个节点的负载利用 率, 选取集群系统负载利用率最小的节点 MAC作为目标接收 MAC, 建立源端和 目标端的传输链路, 实现集群的自动均衡。
[0027] 经过上面详细的实施, 我们可以很方便的实现集群服务器节点的数据交换设计 , 不仅达到了可靠性要求, 而且实现低成本要求, 实现集群服务器系统的高可 靠性、 轻量化应用。

Claims

权利要求书
[权利要求 1] 一种在集群服务器系统中进行数据交换的方法,集群服务器系统通过 内嵌服务器节点地址的封包数据在各个不同节点之间传递, 实现邻近 节点的数据交换, 同吋通过数据交换控制单元的转发, 实现非邻近节 点的数据转发, 其特征在于, 该进行数据交换的方法具体包括如下步 骤:
在集群服务器系统的服务器节点上建立双网络端口的数据交换控制单 元,
在集群服务器系统的服务器节点上建立节点数据的发送控制机制, 在集群服务器系统的服务器节点上建立节点数据的转发控制机制, 在集群服务器系统的服务器节点上建立环形链接环,
在集群服务器系统的服务器节点上建立节点负载自动均衡。
[权利要求 2] 如权利要求 1所述的集群服务器系统中进行数据交换的方法, 其特征 还在于, 所述的双网络端口的数据交换控制单元是采用 FPGA芯片 Ma chXO建立, 同吋对外提供两个 MDI电气标准的网络接口, 两个网络 端口对应不同的 MAC地址, 两个网络端口实现独立的数据转发传输
[权利要求 3] 如权利要求 2所述的集群服务器系统中进行数据交换的方法, 其特征 还在于, 所述的发送控制机制, 用于控制双网络端口的数据交换控制 单元, 将 CPU传输的数据通过网络接口传递给其他节点, 该传递数据 中包含目标接收节点上的数据交换控制单元 MAC地址, 保证准确数 据链路的建立。
[权利要求 4] 如权利要求 3所述的集群服务器系统中进行数据交换的方法, 其特征 还在于, 所述的转发控制机制, 用于控制双网络端口的数据交换控制 单元接收邻近服务器节点传输的数据, 进行数据发送目标 MAC地址 判断, 直到找到目标接收节点。
[权利要求 5] 如权利要求 4所述的集群服务器系统中进行数据交换的方法, 其特征 还在于, 所述的环形链接环使集群中各服务器节点对应网络端口 A/B 可以实现相互通讯, 将节点间的物理传输通道通过邻近节点的逐次对 应连接起来。
如权利要求 5所述的集群服务器系统中进行数据交换的方法, 其特征 还在于, 所述的节点负载自动均衡采用的均衡方法为: 当前服务器节 点需要发送数据吋, 会向集群中所有 MAC地址发送任务请求数据包 , 确认集群系统中每个节点的负载利用率, 选取集群系统负载利用率 最小的节点 MAC作为目标接收 MAC, 建立源端和目标端的传输链路 如权利要求 4所述的集群服务器系统中进行数据交换的方法, 其特征 还在于, 所述双网络端口的数据交换控制单元的具体连接方式为, 将 主板端 PCIE信号连接到该单元, 实现与主板上 CPU的 PCIE链路通讯 如权利要求 1所述的集群服务器系统中进行数据交换的方法, 其特征 还在于, 在集群系统初始化过程中, 将集群系统中所有服务器节点的 数据交换控制单元所对应的 MAC地址汇总成表格, 并且存储在集群 中的所有服务器节点的数据交换控制单元的 EEPROM芯片中。
如权利要求 1所述的集群服务器系统中进行数据交换的方法, 其特征 还在于, 所述的转发控制机制, 用于接收邻近服务器节点传输的数据 , 识别数据中所包含的目标节点的 MAC地址, 判断是否与本节点的 MAC地址一致, 如果一致则本节点接收, 如果不一致则将数据通过 另一个数据口继续传出, 即将数据传输至下一个服务器节点, 下一个 节点同样依次进行数据目标地址判断, 直到找到目标接收节点。 根据权利要求 1所述的的集群服务器系统中进行数据交换的方法, 其 特征还在于, 所述的环形链接环, 使集群中各服务器节点对应网络端 口 A/B可以实现相互通讯, 即将第一个服务器节点上数据交换控制单 元所对应网络端口 B,通过千兆网线,链接到下一个相邻节点的数据交 换控制单元所对应网络端口 A, 同吋下一个相邻节点的数据交换控制 单元所对应网络端口 B, 再链接在下一个节点对应双网络端口 A, 依 次进行, 将最后一个服务器节点的所对应网络端口 B链接到第一个服 务器节点上数据交换控制单元所对应网络端口 A,至此集群服务器节点 的环形链接环建立。
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