WO2018121443A1 - Procédé et dispositif de transmission de message - Google Patents

Procédé et dispositif de transmission de message Download PDF

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Publication number
WO2018121443A1
WO2018121443A1 PCT/CN2017/118046 CN2017118046W WO2018121443A1 WO 2018121443 A1 WO2018121443 A1 WO 2018121443A1 CN 2017118046 W CN2017118046 W CN 2017118046W WO 2018121443 A1 WO2018121443 A1 WO 2018121443A1
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WO
WIPO (PCT)
Prior art keywords
fcf
fcoe
fcid
packet
vxlan
Prior art date
Application number
PCT/CN2017/118046
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English (en)
Chinese (zh)
Inventor
张行柱
陈志伟
夏迎春
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018121443A1 publication Critical patent/WO2018121443A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/74—Address processing for routing
    • H04L45/745—Address table lookup; Address filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0073—Provisions for forwarding or routing, e.g. lookup tables

Definitions

  • the present invention relates to the field of communications, and in particular to a message transmission method and apparatus.
  • FCoE Fiber Channel over Ethernet
  • FCoE Fibre Channel over Ethernet
  • FCoE Fibre Channel over Ethernet
  • the FCoE virtual link is divided into three phases: the FCoE Initialization Protocol (FIP) Virtual Local Area Network (VLAN) discovery phase, and the FIP FCoE Forwarder (FCF) discovery phase.
  • Switch login phase FIP is used to discover, initialize, and maintain FCoE devices.
  • the Ethernet type of FIP is different from the Ethernet type of FCoE.
  • FIP is used to discover, initialize, and maintain FCoE virtual links with different traffic than other FCoE traffic.
  • FCoE Fibre Channel
  • VXLAN Virtual eXtensible Local Area Network
  • the present invention provides a packet transmission method and apparatus, so as to solve at least the problem that the FCF function must be supported by each switch in the case of transmitting FCoE data in a large virtual logical network in the related art, thereby causing inflexibility of FCoE data transmission. .
  • a message transmission method including: creating a VXLAN tunnel supporting FCoE services according to FCoE node identifier information stored in a first FCF, wherein the VXLAN tunnel is connected to a first FCF and a Two FCF; and The FCoE data packet to be transmitted in the first FCF is transmitted to the second FCF through the VXLAN tunnel.
  • a packet transmission apparatus including: a creating module, configured to create a VXLAN tunnel supporting FCoE services according to FCoE node identifier information stored in a first FCF, wherein the VXLAN tunnel Connecting the first FCF and the second FCF; and the transmitting module, configured to transmit the FCoE data packet to be transmitted in the first FCF to the second FCF through the VXLAN tunnel.
  • FIG. 1 is a flowchart of a message transmission method according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a message transmission method according to another embodiment of the present invention.
  • FIG. 3 is a block diagram showing the structure of a message transmission apparatus according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a creation module of a message transmission apparatus according to an embodiment of the present invention shown in FIG. 3;
  • FIG. 5 is a structural block diagram of a transmission module of the message transmission apparatus according to the embodiment of the present invention shown in FIG. 3;
  • FIG. 6 is a structural block diagram of a message transmission apparatus according to another embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a decapsulation unit in a message transmission apparatus according to an example of the present invention shown in FIG. 6;
  • FIG. 8 is a block diagram showing the structure of a message transmission apparatus according to another embodiment of the present invention.
  • FIG. 1 is a flow chart of a message transmission method according to an embodiment of the present invention.
  • a message transmission method may include steps S102 and S104.
  • a VXLAN tunnel supporting the FCoE service is created according to the FCoE Node Identifier (FCID) information stored in the first FCF, where the VXLAN tunnel connects the first FCF and the second FCF.
  • FCID FCoE Node Identifier
  • step S102 may include: acquiring a destination FCID carried in the FCID information; determining an FCF corresponding to the destination FCID as the second FCF; and creating a support FCoE service between the first FCF and the second FCF VXLAN tunnel.
  • step S104 the FCoE data packet to be transmitted in the first FCF is transmitted to the second FCF through the VXLAN tunnel.
  • the step S104 may include: encapsulating a VXLAN packet header for the FCoE data packet; and transmitting the FCoE data packet encapsulating the VXLAN packet header to the destination FCID according to the destination FCID carried in the FCID information. Corresponding second FCF.
  • the second FCF may decompose the FCoE data packet encapsulating the VXLAN packet header.
  • the packet is obtained to obtain a Fibre Channel (FC) packet, and the destination FCID in the FC packet is obtained.
  • FC Fibre Channel
  • the FC packet carries the FCID information.
  • the forwarding table of the second FCF is queried according to the destination FCID to obtain a second FCoE node corresponding to the FCID in the forwarding table.
  • the FCoE data packet generated after the Ethernet packet header is encapsulated in the FC packet is sent to the second FCoE node.
  • the FCoE data packet encapsulated with the VXLAN packet header may be first decapsulated to obtain the FCoE data packet, and the second decapsulation is performed on the FCoE data packet to obtain the FC packet.
  • the destination FCID can be obtained by parsing the FC message.
  • the second decapsulation of the FCoE data message may be performed by decapsulating the FCoE data packet and removing the Ethernet packet header to obtain the FC message.
  • the FCID information may be stored in the routing table of the first FCF.
  • a VXLAN tunnel supporting the FCoE service is created according to the FCID information stored in the first FCF, and the VXLAN tunnel connects the first FCF and the second FCF, and the FCoE to be transmitted in the first FCF Data packets are transmitted to the second FCF through the VXLAN tunnel.
  • a new method for transmitting FCoE messages over Ethernet is provided on the basis of the VXLAN Ethernet tunnel.
  • the VXLAN tunnel can be updated according to the FCID stored by the FCF so that FCoE data packets can be identified and transmitted in the VXLAN tunnel.
  • FIG. 2 is a flow chart of a message transmission method according to another embodiment of the present invention.
  • the message transmission method may include steps S201 to S211.
  • step S201 the FCF, the FCoE node (FCoE Node, ENode), and the VXLAN are initially configured.
  • step S202 the ENode sends a FIP protocol packet to the FCF to request to establish a FIP virtual link.
  • step S203 the FCF establishes a FIP virtual link according to the received FIP protocol packet, and allocates a Fabric Provided MAC Address (FPMA) to the ENode.
  • FPMA Fabric Provided MAC Address
  • step S204 the VXLAN network creates a VXLAN tunnel with FCoE characteristics according to the ECo's FCoE routing information (ie, FCID information), and updates the VXLAN tunnel.
  • FCoE routing information ie, FCID information
  • step S205 the first ENode sends the FCoE data message to the first FCF.
  • step S206 the first FCF determines whether to transmit via the VXLAN tunnel according to the destination FCID carried in the FCID information.
  • step S207 if the result of the determination is that the transmission is via the VXLAN tunnel, the VXLAN packet header is encapsulated for the FCoE data packet, and sent to the second FCF through the VXLAN tunnel;
  • step S208 the second FCF receives the FCoE data packet encapsulated with the VXLAN packet header, and performs decapsulation to remove the VXLAN packet header.
  • step S209 the second FCF determines whether it is a two-layer exchange or a three-layer exchange.
  • step S210 in the case that the decision is a three-layer exchange, the FCoE Layer 3 routing table is queried, and the FCoE data packet is forwarded to the second ENode according to the search result.
  • step S211 in the case that the decision is a Layer 2 switching, the FCoE Layer 2 forwarding table is queried, and the FCoE data packet is forwarded to the second ENode according to the search result.
  • the message transmission method solves the problem that in the related art, when the FCoE data is transmitted in a large virtual logical network, each switch must support the FCF function, thereby causing inflexibility of FCoE data transmission, and expanding the problem.
  • the application scenario of FCoE technology in a large virtual logical Ethernet scenario enhances the convergence of FC network and Ethernet.
  • the message transmission method according to the embodiment can be implemented by means of software in a general hardware platform, and of course, can also be implemented only by hardware.
  • the technical solution of the inventive concept may be embodied in the form of a computer software product stored in a storage medium (such as a ROM/RAM, a magnetic disk, an optical disk), and includes a plurality of instructions for causing a terminal device (for example, a mobile phone or a computer)
  • a terminal device for example, a mobile phone or a computer
  • a server, a network device, or the like performs a message transmission method according to various embodiments of the present invention.
  • FIG. 3 is a block diagram showing the structure of a message transmission apparatus according to an embodiment of the present invention.
  • the message transmission apparatus according to this embodiment is for implementing the message transmission method according to the foregoing implementation. The details that have already been explained will not be described again.
  • module can be a combination of software and/or hardware that implements a predetermined function.
  • message transmission apparatus according to the embodiment described below can be understood to be implemented by using a software module, the technical solution of the inventive concept can also be implemented by hardware or a combination of software and hardware.
  • the message transmission apparatus 300 may include a creation module 32 and a transmission module 34.
  • the creating module 32 is configured to create a VXLAN tunnel supporting the FCoE service according to the FCID information stored in the first FCF, where the VXLAN tunnel connects the first FCF and the second FCF.
  • the transmission module 34 is configured to transmit the FCoE data packet to be transmitted in the first FCF to the second FCF through the VXLAN tunnel.
  • FIG. 4 is a block diagram showing the structure of the creation module 32 of the message transmission apparatus 300 shown in FIG. 3 according to an embodiment of the present invention.
  • the creation module 32 can include a first acquisition unit 322, a determination unit 324, and a creation unit 326.
  • the first obtaining unit 322 is configured to acquire the destination FCID carried in the FCID information.
  • the determining unit 324 is configured to determine the FCF corresponding to the destination FCID as the second FCF.
  • the creating unit 326 is configured to create a VXLAN tunnel supporting the FCoE service between the first FCF and the second FCF.
  • FIG. 5 is a block diagram showing the structure of a transmission module 34 of the message transmission apparatus 300 shown in FIG. 3 according to an embodiment of the present invention.
  • the transmission module 34 can include a package 342 and a transmission unit 344.
  • the encapsulating unit 342 is configured to encapsulate the VXLAN packet header for the FCoE data packet.
  • the transmitting unit 344 is configured to transmit the FCoE data packet encapsulating the VXLAN packet header to the second FCF corresponding to the destination FCID according to the destination FCID carried in the FCID information.
  • FIG. 6 is a structural block diagram of a message transmission apparatus according to another embodiment of the present invention.
  • the message transmission apparatus 600 may further include a decapsulation unit 62, a second acquisition unit 64, and a transmission unit 66, as compared with the embodiment shown in FIG.
  • the decapsulation unit 62 is configured to decapsulate the FCoE data packet encapsulated with the VXLAN packet header to obtain the FC message, and obtain the destination FCID in the FC message, where the FC message carries the FCID information.
  • the second obtaining unit 64 is configured to query the forwarding table of the second FCF according to the destination FCID to obtain the second FCoE node corresponding to the FCID in the forwarding table.
  • the sending unit 66 is configured to send the FCoE data packet generated after the Ethernet packet header is encapsulated to the second FCoE node.
  • FIG. 7 is a block diagram showing the structure of the decapsulation unit 62 in the message transmission apparatus 600 according to the example of the present invention shown in FIG. 6.
  • the decapsulation unit 62 can include a first decapsulation subunit 622, a second decapsulation subunit 624, and a parsing subunit 626.
  • the first decapsulation sub-unit 622 is configured to perform a first decapsulation on the FCoE data packet encapsulated with the VXLAN packet header to obtain the FCoE data packet.
  • the second decapsulation sub-unit 624 is configured to perform a second decapsulation on the FCoE data packet to obtain the FC message.
  • the parsing sub-unit 626 is configured to parse and obtain the destination FCID in the FC message.
  • the second decapsulation subunit 624 may perform the first for the FCoE data message by decapsulating the FCoE data message and removing the Ethernet message header. The second decapsulation is to obtain the FC message.
  • the message transmission device 600 may further include a storage module 36.
  • the storage module 36 stores the FCID information in the routing table of the first FCF.
  • the virtual extension LAN VXLAN tunnel supporting the FCoE service is created according to the FCID information stored in the first FCF, and the to-be-transmitted in the first FCF is implemented by the creation module 32 and the transmission module 34.
  • the FCoE data packet is transmitted to the second FCF through the VXLAN tunnel, which solves the problem that the FCF function must be supported by each switch in the case of transmitting FCoE data in a large virtual logical network in the related art, thereby causing inflexibility of FCoE data transmission. It expands the application scenario of FCoE in large virtual logical Ethernet scenarios and enhances the integration of FC network and Ethernet.
  • FIG. 8 is a block diagram showing the structure of a message transmission apparatus according to another embodiment of the present invention.
  • the message transmission apparatus may include an ENode module 82, an FCF/VXLAN access switch module 84, and a VXLAN network module 86.
  • the ENode module 82 is used for establishing an FCoE virtual link and transmitting and receiving FIP protocol packets and FCoE data packets.
  • the ENode module 82 can be used to set up an FCoE setup link configuration including, but not limited to, VLAN, WWPN, WWNN, FC-MAP, and the like.
  • the ENode module 82 can actively send the FIP protocol packet to the FCF.
  • the FCF/VXLAN access switch module 84 is configured to receive the FIP protocol packet sent by the ENode module 82, establish a virtual link with the ENode module 82, establish a VXLAN tunnel with the VXLAN network module 86, and accept and forward the FCoE data packet.
  • the FCF/VXLAN access switch module 84 is both part of the FCoE link and part of the VXLAN network. Therefore, the FCF/VXLAN access switch module 84 is required to encapsulate and decapsulate FCoE headers, and to encapsulate and decapsulate VXLAN headers.
  • the VXLAN network module 86 is used to establish a VXLAN Ethernet tunnel based on the destination FCID and transparently transmit the FCoE protocol and data packets.
  • the message transmission apparatus is implemented by the ENode module 82, the FCF/VXLAN access switch module 84, and the VXLAN network module 86.
  • the FCID information stored in the FCF creates a virtual scalable LAN VXLAN tunnel that supports the FCoE service, and transmits the FCoE data packet to be transmitted in the first FCF to the second FCF through the VXLAN tunnel, thereby solving the related art in the large virtual logic.
  • each switch When FCoE data is transmitted in the network, each switch must support the FCF function, which causes the FCoE data transmission to be inflexible. It extends the application scenarios of FCoE in large virtual logical Ethernet scenarios, and enhances FC network and Ethernet. Convergence.
  • modules or steps of the present invention can be implemented with a general purpose computing device. Implementations of the various modules or steps of the present invention can be centralized on a single computing device or distributed across a network of multiple computing devices. Modules or steps of the present invention may be implemented with program code executable by a computing device, such that the storage may be performed by the computing device in a storage device, and in some cases, may be performed in accordance with embodiments of the present invention. The steps shown or described are performed in a different order than described herein. Modules or steps of the present invention may be implemented as respective integrated circuit modules, or multiple of them may be implemented as a single integrated circuit module, in accordance with an embodiment of the present invention. Thus, the invention is not limited to any specific combination of hardware and software.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne un procédé et un dispositif de transmission de message. Le procédé consiste : à, selon des informations d'identifiant de nœud FCoE stockées dans un premier transitaire FCoE, créer un canal VXLAN pour prendre en charge un service FCoE, le canal VXLAN connectant le premier transitaire FCoE et un second transitaire FCoE ; et à transmettre un message de données FCoE devant être transmis dans le premier transitaire FCoE au second transitaire FCoE par l'intermédiaire du canal VXLAN.
PCT/CN2017/118046 2016-12-30 2017-12-22 Procédé et dispositif de transmission de message WO2018121443A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611262119.1A CN108270653A (zh) 2016-12-30 2016-12-30 报文传输方法及装置
CN201611262119.1 2016-12-30

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Cited By (1)

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CN112671661A (zh) * 2020-12-24 2021-04-16 广州市网优优信息技术开发有限公司 物联网数据传输方法及系统

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CN112333074B (zh) * 2020-10-30 2023-04-18 新华三信息技术有限公司 光纤通道报文处理方法、装置、设备及机器可读存储介质

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CN104580024A (zh) * 2013-10-28 2015-04-29 博科通讯系统有限公司 扩展的以太网互联结构交换机
CN106100960A (zh) * 2016-07-06 2016-11-09 杭州华三通信技术有限公司 跨存储区域网络Fabric互通的方法、装置及系统

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CN103490968A (zh) * 2013-09-16 2014-01-01 杭州华三通信技术有限公司 一种FCoE网络中跨数据中心互联的方法和设备
CN104580024A (zh) * 2013-10-28 2015-04-29 博科通讯系统有限公司 扩展的以太网互联结构交换机
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Publication number Priority date Publication date Assignee Title
CN112671661A (zh) * 2020-12-24 2021-04-16 广州市网优优信息技术开发有限公司 物联网数据传输方法及系统

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