CN102404409B - Equivalent cloud network system based on optical packet switch - Google Patents
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Abstract
本发明提出了一种基于光分组交换的对等式云网络系统，该系统以3D-Torus和超立方网络架构为基础，该系统中的子云系统用光纤链路直接连接，继而组成一个大的对等云网络系统，可以将多个计算系统节点作为子云系统互连成为一个更大规模的高性能超级计算系统。该系统中子云系统直接连接，每个子云系统具有输入与输出端口，以实现数据流的输入与输出，继而组成整个网络系统。本发明不仅可以灵活调配业务，节约网络资源，结构灵活、层次清晰，可扩展性强，而且具有更高的通信带宽、通信性能、系统稳定性、容错率，用于全局操作、远程通信时可提升了通信效率与应用效率，降低长程通信的延迟，从而保证了更大规模网络或系统的更高扩展性与可用性。
The present invention proposes a peer-to-peer cloud network system based on optical packet switching. The system is based on 3D-Torus and hypercube network architecture. The sub-cloud systems in the system are directly connected with optical fiber links, and then form a large The peer-to-peer cloud network system can interconnect multiple computing system nodes as a sub-cloud system to form a larger-scale high-performance supercomputing system. In this system, the sub-cloud systems are directly connected, and each sub-cloud system has input and output ports to realize the input and output of data streams, and then form the entire network system. The present invention can not only flexibly deploy services, save network resources, have flexible structure, clear layers, and strong scalability, but also has higher communication bandwidth, communication performance, system stability, and fault tolerance, and can be used for global operations and remote communications. The communication efficiency and application efficiency are improved, and the delay of long-distance communication is reduced, thereby ensuring higher scalability and availability of larger-scale networks or systems.
Description
技术领域 technical field
本发明涉及通信技术领域。具体涉及，涉及一种基于光分组交换的对等式云网络系统，以云计算、光分组交换等技术为支撑，该系统可适用于下一代互联网体系与高性能超级计算机系统中。The invention relates to the technical field of communication. Specifically, it involves a peer-to-peer cloud network system based on optical packet switching, which is supported by technologies such as cloud computing and optical packet switching. The system can be applied to the next generation Internet system and high-performance supercomputer systems.
背景技术 Background technique
过去若干年内，随着以Internet为主的信息网络日益发展，网络中的用户数量与站点数目急剧增长，IP业务、高速、大容量实时数据、视频、交互式应用及共享需求在迅速增长，对带宽的需求也急剧增加，传统的集中式网络中服务器的存储空间和处理能力往往成为最终制约网络发展的瓶颈。在技术领域中，计算资源却跟不上各种应用的需求，为了满足科学研究的需要，需要一批基于高性能超级计算机的大型应用系统。In the past few years, with the increasing development of the Internet-based information network, the number of users and sites in the network has increased rapidly, and the demand for IP services, high-speed, large-capacity real-time data, video, interactive applications and sharing has grown rapidly. The demand for bandwidth has also increased sharply, and the storage space and processing power of the server in the traditional centralized network often become the bottleneck that ultimately restricts the development of the network. In the field of technology, computing resources cannot keep up with the needs of various applications. In order to meet the needs of scientific research, a number of large-scale application systems based on high-performance supercomputers are needed.
光纤通信技术的发展使带宽资源的压力减小，可以满足网络与超级计算机应用系统对带宽增长的要求，然而网络和超级计算机应用系统的整体压力依然存在，存在的问题是目前的网络架构与超级计算机应用系统架构无法充分发挥出交换性能的优势，主要集中在内部节点间的交换效率低、时延大、阻塞率高。在许多科学研究的计算应用项目中，尤其是在细粒度计算应用中，其最终性能很大程度是由系统的通信能力所决定，而非计算节点本身的计算能力限制，这也使得对于超级计算机系统内联架构设计有着更高的要求。The development of optical fiber communication technology reduces the pressure on bandwidth resources, which can meet the bandwidth growth requirements of network and supercomputer application systems. However, the overall pressure on network and supercomputer application systems still exists. The problem is that the current network architecture and supercomputer The computer application system architecture cannot give full play to the advantages of switching performance, mainly due to the low switching efficiency, large delay, and high blocking rate between internal nodes. In many scientific research computing applications, especially in fine-grained computing applications, the final performance is largely determined by the communication capabilities of the system, rather than the computing power of the computing nodes themselves, which also makes supercomputers System inline architecture design has higher requirements.
如果只简单使用传统的的互连架构，是很难达到高扩展、高带宽、低延迟的目标的。目前的网络架构与超级计算机应用系统架构有平面结构2D torus与如图1、图2所示的非平面结构3D torus、超立方体架构(Hypercuber)。其中平面结构远远不及非平面结构的性能，而非平面结构也存在扩展性差和效率问题。3D-Torus与超立方体架构只能应用于低负载的环境中，不能应付高负荷的通信业务流量。It is difficult to achieve the goals of high expansion, high bandwidth, and low latency if only the traditional interconnection architecture is simply used. The current network architecture and supercomputer application system architecture include planar structure 2D torus, non-planar structure 3D torus and hypercube architecture (Hypercube) as shown in Figure 1 and Figure 2. Among them, the planar structure is far inferior to the performance of the non-planar structure, and the non-planar structure also has poor scalability and efficiency problems. The 3D-Torus and hypercube architectures can only be used in low-load environments, and cannot cope with high-load communication traffic.
发明内容 Contents of the invention
本发明目的在于克服上述已有技术不足，提出了一种基于光分组交换的对等式架构云网络系统，可用于下一代互联网与高性能超级计算机系统，可以将多个计算系统子云系统互连成为一个更大规模的超级计算系统。该系统中的子云系统直接连接，每个子云系统具有输入与输出端口，以实现数据流的输入与输出，继而组成整个网络系统。该结构不仅有利于下一代互联网体系与超级计算机的发展，便于系统设计，而且具有减少通信延时，提高通信效率，增强网络互连，提高交换效率，扩展交换容量，网络负载均衡，容错能力加强和良好的路径多样性；同时还有着高灵活性、可扩展性，更高的通信带宽、通信性能、系统可靠性、稳定性、容错率，用于全局操作、远程通信时可提升通信效率与应用效率，有效减小网络半径。同时在扩充网络架构或系统架构时，可有效地减缓网络半径的增加，降低长程通信的延迟，从而保证了更大规模网络或系统的更高扩展性与可用性，克服超级计算机内联网络性能被限制在通信能力与效率的问题。The purpose of the present invention is to overcome the shortcomings of the above-mentioned existing technologies, and propose a peer-to-peer architecture cloud network system based on optical packet switching, which can be used in next-generation Internet and high-performance supercomputer systems, and can interconnect multiple computing system sub-cloud systems Even become a larger supercomputing system. The sub-cloud systems in the system are directly connected, and each sub-cloud system has input and output ports to realize the input and output of data streams, and then form the entire network system. This structure is not only conducive to the development of the next generation Internet system and supercomputer, but also facilitates system design, and has the functions of reducing communication delay, improving communication efficiency, enhancing network interconnection, improving switching efficiency, expanding switching capacity, network load balancing, and strengthening fault tolerance. and good path diversity; at the same time, it also has high flexibility, scalability, higher communication bandwidth, communication performance, system reliability, stability, and fault tolerance, which can improve communication efficiency and communication efficiency when used for global operations and remote communication. Application efficiency, effectively reducing the network radius. At the same time, when expanding the network architecture or system architecture, it can effectively slow down the increase of the network radius and reduce the delay of long-distance communication, thereby ensuring higher scalability and availability of larger-scale networks or systems, and overcoming the limitation of supercomputer inline network performance. Issues limited to communication capabilities and efficiency.
实现本发现的技术方案是，The technical scheme that realizes this discovery is,
一种基于光分组交换的对等式云网络系统，包括m个子云系统，该系统为一种多维互连系统，其中子云系统与邻近子云系统使用光纤链路直接相连，组成m维立体网络系统，每个子云系统都具有输入、输出与控制处理功能；A peer-to-peer cloud network system based on optical packet switching, including m sub-cloud systems, the system is a multi-dimensional interconnection system, in which sub-cloud systems are directly connected to adjacent sub-cloud systems using optical fiber links to form an m-dimensional three-dimensional Network system, each sub-cloud system has input, output and control processing functions;
其中，每个子云系统处于周围相邻的n个子云系统的体心，而且与周围相邻的n个子云系统直接相连，每条连线都是双向的通信链路，其中Lm条链路用于进行用户业务数据通信，Ln条链路用于控制通信与冗余通信保护；当以通信功能为主时，Lm在总链路中所占比例为大于50％，Ln在总链路中所占比例为小于50％；当以控制处理功能为主时，Lm在总链路中所占比例为小于50％，Ln在总链路中所占比例为大于50％；当通信功能与控制处理功能处于对等地位时，Lm与Ln在总链路中所占比例均为50％。Among them, each sub-cloud system is located at the body center of the surrounding n adjacent sub-cloud systems, and is directly connected with the surrounding n adjacent sub-cloud systems. Each connection is a two-way communication link, and the Lm links use For user business data communication, Ln links are used for control communication and redundant communication protection; when the communication function is the main function, the proportion of Lm in the total link is greater than 50%, and the proportion of Ln in the total link The proportion is less than 50%; when the control processing function is the main function, the proportion of Lm in the total link is less than 50%, and the proportion of Ln in the total link is greater than 50%; when the communication function and control processing When the functions are in an equal position, both Lm and Ln account for 50% of the total link.
以(k1，k2，k3，…，kn)表示每处子云系统的坐标，kn代表k维轴处坐标；k1＝x代表横轴，k2＝y代表纵轴，k3＝z代表竖轴，以此类推，其中n和m都为大于1的自然数。Represent the coordinates of each sub-cloud system with (k1, k2, k3, ..., kn), and kn represents the coordinates at the k-dimensional axis; k1=x represents the horizontal axis, k2=y represents the vertical axis, k3=z represents the vertical axis, and By analogy, both n and m are natural numbers greater than 1.
进行网络系统扩展时，按照子云系统处于邻近子云系统体心，并且与邻近子云系统直接相连的规则进行立体系统延展，其中子云系统与邻近子云系统的连接关系如下：(k1，k2，k3，…，kn)坐标数值变化范围在正负1内的子云系统相互连接。When expanding the network system, the three-dimensional system extension is carried out according to the rule that the sub-cloud system is located in the body center of the adjacent sub-cloud system and is directly connected to the adjacent sub-cloud system. The connection relationship between the sub-cloud system and the adjacent sub-cloud system is as follows: (k1, k2, k3, .
系统中的每个子云系统都同时具有通信与控制处理功能，并且可以根据自身的情况进行优化，在特定时段以通信功能或者控制处理功能为主，或者两样功能处于对等地位。Each sub-cloud system in the system has both communication and control processing functions, and can be optimized according to its own situation. In a specific period of time, the communication function or control processing function is the main function, or the two functions are in an equal position.
本发明具有以下优势：The present invention has the following advantages:
1、邻近子云系统间直接相连，具有更小的网络直径、平均距离，时延低，网络吞吐率高，内部链路不易拥塞，便于立体扩展。1. Adjacent sub-cloud systems are directly connected, with smaller network diameter and average distance, low latency, high network throughput, and internal links are less likely to be congested, facilitating three-dimensional expansion.
2、由于子云系统输入输出端口有多条路径，所以进行数据交换时具有良好的容错能力，同时又可以提供不同的转发路径与区分服务。2. Since there are multiple paths for the input and output ports of the sub-cloud system, it has good fault tolerance when exchanging data, and can provide different forwarding paths and differentiated services at the same time.
3、子云系统具有高可扩展性和容错能力，可实现高性能计算：该系统将计算资源构建成一个立体云网络系统，相对于集中式资源管理，这种体系结构具有更强的可扩展性与容错能力，并且能够提高系统资源的利用率，增大计算任务的吞吐率，减少计算应用的响应时间，进而实现应用的高性能计算。3. The sub-cloud system has high scalability and fault tolerance, and can realize high-performance computing: the system builds computing resources into a three-dimensional cloud network system. Compared with centralized resource management, this architecture has stronger scalability Performance and fault tolerance, and can improve the utilization of system resources, increase the throughput of computing tasks, reduce the response time of computing applications, and achieve high-performance computing applications.
4、提供可靠和高效的数据传输服务：对每一个数据请求，分别使用消息信道与数据信道传输控制命令和数据流。这种传输机制将控制命令传输与数据流传输分离，能够处理多任务的并发传输请求，并对单个任务的传输实现容错控制；高效的数据流处理提高了系统的实时性和可靠性。4. Provide reliable and efficient data transmission services: For each data request, use the message channel and data channel to transmit control commands and data streams. This transmission mechanism separates the transmission of control commands from the transmission of data streams, can handle concurrent transmission requests of multiple tasks, and realizes fault-tolerant control for the transmission of a single task; efficient data stream processing improves the real-time performance and reliability of the system.
5、子云系统的存在，使得网络平均距离减小，缩短分组转发时延，而且便于实现组播。5. The existence of the sub-cloud system reduces the average distance of the network, shortens the packet forwarding delay, and facilitates the realization of multicast.
附图说明 Description of drawings
图1为传统三维环绕网络架构。Figure 1 shows the traditional 3D surround network architecture.
图2为传统超立方体架构。Figure 2 shows the traditional hypercube architecture.
图3为本发明的对等云网络系统。Fig. 3 is the peer-to-peer cloud network system of the present invention.
具体实施方式 Detailed ways
实施例1Example 1
参照图3，Referring to Figure 3,
一种基于光分组交换的对等式云网络系统，包括m个子云系统，该系统为一种多维互连系统，其中子云系统与邻近子云系统使用光纤链路直接相连，组成m维立体网络系统，每个子云系统都具有输入、输出与控制处理功能；A peer-to-peer cloud network system based on optical packet switching, including m sub-cloud systems, the system is a multi-dimensional interconnection system, in which sub-cloud systems are directly connected to adjacent sub-cloud systems using optical fiber links to form an m-dimensional three-dimensional Network system, each sub-cloud system has input, output and control processing functions;
其中，每个子云系统处于周围相邻的n个子云系统的体心，而且与周围相邻的n个子云系统直接相连，每条连线都是双向的通信链路，其中Lm条链路用于进行用户业务数据通信，Ln条链路用于控制通信与冗余通信保护；当以通信功能为主时，Lm在总链路中所占比例为大于50％，Ln在总链路中所占比例为小于50％；当以控制处理功能为主时，Lm在总链路中所占比例为小于50％，Ln在总链路中所占比例为大于50％；当通信功能与控制处理功能处于对等地位时，Lm与Ln在总链路中所占比例均为50％。Among them, each sub-cloud system is located at the body center of the surrounding n adjacent sub-cloud systems, and is directly connected with the surrounding n adjacent sub-cloud systems. Each connection is a two-way communication link, and the Lm links use For user business data communication, Ln links are used for control communication and redundant communication protection; when the communication function is the main function, the proportion of Lm in the total link is greater than 50%, and the proportion of Ln in the total link The proportion is less than 50%; when the control processing function is the main function, the proportion of Lm in the total link is less than 50%, and the proportion of Ln in the total link is greater than 50%; when the communication function and control processing When the functions are in an equal position, both Lm and Ln account for 50% of the total link.
以(k1，k2，k3，…，kn)表示每处子云系统的坐标，kn代表k维轴处坐标；k1＝x代表横轴，k2＝y代表纵轴，k3＝z代表竖轴，以此类推，其中n和m都为大于1的自然数。Represent the coordinates of each sub-cloud system with (k1, k2, k3, ..., kn), and kn represents the coordinates at the k-dimensional axis; k1=x represents the horizontal axis, k2=y represents the vertical axis, k3=z represents the vertical axis, and By analogy, both n and m are natural numbers greater than 1.
进行网络系统扩展时，按照子云系统处于邻近子云系统体心，并且与邻近子云系统直接相连的规则进行立体系统延展，其中子云系统与邻近子云系统的连接关系如下：(k1，k2，k3，…，kn)坐标数值变化范围在正负1内的子云系统相互连接。When expanding the network system, the three-dimensional system extension is carried out according to the rule that the sub-cloud system is located in the body center of the adjacent sub-cloud system and is directly connected to the adjacent sub-cloud system. The connection relationship between the sub-cloud system and the adjacent sub-cloud system is as follows: (k1, k2, k3, .
系统中的每个子云系统都同时具有通信与控制处理功能，并且可以根据自身的情况进行优化，在特定时段以通信功能或者控制处理功能为主，或者两样功能处于对等地位。Each sub-cloud system in the system has both communication and control processing functions, and can be optimized according to its own situation. In a specific period of time, the communication function or control processing function is the main function, or the two functions are in an equal position.
以三维坐标系为例，当kn＝3时，即为三维坐标系，k1＝x代表横轴，k2＝y代表纵轴，k3＝z代表竖轴。以三维系统为例，分别取(X，Y，Z)代表某节点，(XE，YE，ZE)代表邻近节点，则此节点X与邻近节点XE之间的的连接关系，使用如下数学关系表示：满足XE＝X±1、YE＝Y±1和ZE＝Z±1的直接相连。中间的子云系统处于相邻的26个子云系统的体心，则此子云系统与相邻的26子云系统直接相连，每条连线都是双向的通信链路，其中Lm条链路用于进行用户业务数据通信，Ln条链路用于控制通信与冗余通信保护，Lm≥Ln，Lm+Ln＝26。Taking the three-dimensional coordinate system as an example, when kn=3, it is a three-dimensional coordinate system, k1=x represents the horizontal axis, k2=y represents the vertical axis, and k3=z represents the vertical axis. Taking the three-dimensional system as an example, take (X, Y, Z) to represent a certain node, and (X E , Y E , Z E ) to represent a neighboring node, then the connection relationship between this node X and the neighboring node X E , using The following mathematical relationship expresses: satisfying the direct connection of X E =X±1, Y E =Y±1 and Z E =Z±1. The middle sub-cloud system is at the body center of the adjacent 26 sub-cloud systems, then this sub-cloud system is directly connected to the adjacent 26 sub-cloud systems, and each connection is a two-way communication link, wherein Lm links Used for user service data communication, Ln links are used for control communication and redundant communication protection, Lm≥Ln, Lm+Ln=26.
以此类推，可以延展到k维系统中，每个子云系统都处于相邻n个子云系统的体心，而且与此n个相邻子云系统直接相连。By analogy, it can be extended to the k-dimensional system, where each sub-cloud system is located at the body center of n adjacent sub-cloud systems, and is directly connected with these n adjacent sub-cloud systems.
实施例2Example 2
可以将处于不同位置，不同区域的不同行业的子云系统，组成本发明提出的基于光分组交换的对等式云网络系统，以(k1，k2，k3，…，kn)表示每个子云系统处的的坐标，每个子云系统直接相连，使用光纤链路双向通信。其中节点与邻近节点的连接关系，使用如下数学关系表示：(k1，k2，k3，…，kn)数值变化范围在正负1内的节点相互直接相连。The sub-cloud systems of different industries in different locations and in different regions can be used to form the peer-to-peer cloud network system based on optical packet switching proposed by the present invention, and each sub-cloud system is represented by (k1, k2, k3, ..., kn) At the coordinates at , each sub-cloud system is directly connected, using fiber optic links for two-way communication. The connection relationship between nodes and adjacent nodes is represented by the following mathematical relationship: (k1, k2, k3, ..., kn) nodes whose value range is within plus or minus 1 are directly connected to each other.
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| CN107483258A (en) * | 2017-08-25 | 2017-12-15 | 长沙曙通信息科技有限公司 | A kind of cloud computing zoning manages implementation method |
| CN107612746B (en) * | 2017-10-12 | 2020-12-22 | 曙光信息产业股份有限公司 | Torus network construction method, Torus network and routing algorithm |
| CN108768864B (en) * | 2018-07-16 | 2021-05-28 | 南京邮电大学 | A Data Center Network Topology System with Easy Expansion and High Fault Tolerance |
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