WO2018019157A1 - Procédé de répartition de charge et dispositif associé - Google Patents

Procédé de répartition de charge et dispositif associé Download PDF

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Publication number
WO2018019157A1
WO2018019157A1 PCT/CN2017/093403 CN2017093403W WO2018019157A1 WO 2018019157 A1 WO2018019157 A1 WO 2018019157A1 CN 2017093403 W CN2017093403 W CN 2017093403W WO 2018019157 A1 WO2018019157 A1 WO 2018019157A1
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WO
WIPO (PCT)
Prior art keywords
terminal
address
application server
data packet
service
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PCT/CN2017/093403
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English (en)
Chinese (zh)
Inventor
蔡仕江
王春桃
章国梁
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2018019157A1 publication Critical patent/WO2018019157A1/fr

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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering

Definitions

  • the present invention relates to the field of communications and the field of the Internet, and in particular to a method and device for load sharing.
  • Pipeline business is occupied by the Internet in the end-to-end field, mobile operators only do pipelines, and the pipeline business has an explosive growth, profits are getting lower and lower, and many businesses are replaced by Internet applications. Mobile is also trying to do in the pipeline field.
  • Applications on the one hand to seize the Internet application, in addition to improve transmission efficiency, so a variety of applications will follow, various accelerators, various optimization, cache, video, gateway directly integrated third-party APP applications.
  • various network deployments, networking, and application architectures appear, software-defined networks (English: Software Defined Network, SDN for short), multi-service edge routers (English: Multi Service Engine, MSE), multi-service concepts appear, cloud Application and development make it easier to deploy business.
  • the more mobile applications the more routing and load sharing of different services.
  • the prior art adopts a method of service load sharing based on policy routing to separate different links.
  • policy routing is a mechanism for routing based on policies formulated by users. It is a static configuration mode. After a gateway or other device routes to a router, the general router forwarding can only be forwarded according to the configuration, and intelligent forwarding cannot be implemented. Therefore, load sharing cannot be performed according to the configuration and business content.
  • the embodiment of the invention provides a load sharing method and a device thereof, which can dynamically implement load sharing of user flows.
  • an embodiment of the present invention provides a method for load sharing, where the method includes:
  • the service flow control device receives the online request of the terminal, and the online request carries the terminal information.
  • the terminal information includes the IP address of the terminal and the network subscription information of the terminal.
  • the service flow control plane performs service scheduling according to the IP address of the terminal, and generates and forwards the service.
  • the rule, the forwarding rule indicates the target data plane when the data packet of the terminal is forwarded;
  • the service flow control plane determines the predefined service of the terminal according to the network subscription information of the terminal, and determines the communication configuration of the inline service associated with the predefined service.
  • the traffic flow control plane sends the forwarding rule to the router, so that the router sends the data packet to the target data plane when receiving the data packet of the terminal;
  • the service flow control plane sends the communication configuration information of the application server to the target.
  • the data plane is such that the target data plane sends the data message to the corresponding application server according to the communication configuration information of the application server.
  • the present invention deploys a data flow control plane, and when the terminal goes online, performs service scheduling through the control plane, and sends a forwarding rule to the router, instructing the router to send the terminal data packet to the target data plane, and at the same time, generating the terminal predefined service. Communication configuration information to the target data plane. After the subsequent data packets reach the router, the router performs policy routing to forward the data packets to the corresponding target data plane for service processing. The policy routes generated by different terminals are different, and the data planes forwarded by the routers are different. Sharing.
  • the target data plane performs the service according to the communication configuration information of the predefined service delivered by the control plane, and the same type of data packet of different users can be forwarded to different application server instances (inline service instance), thereby being able to be in each inline service. Load sharing is achieved.
  • the predefined service of the terminal includes at least one type; the service flow control plane determines the communication configuration information of the application server of the predefined service association, where the service flow control plane determines the application server of each predefined service association of the terminal.
  • the communication configuration information includes an IP address, a port, a communication mode, and a flow order of the data packet in each application server of each application server instance.
  • the forwarding rule includes an IP address of the terminal and an IP address of the target data plane, and indicates that the router sends the data packet of the IP address of the receiving terminal to the IP address of the target data plane.
  • the forwarding rule may also include an IP address segment to which the IP address of the terminal belongs, and an IP address of the target data plane.
  • the forwarding rule is also used to indicate the data packet sent by the terminal in the IP address segment to which the IP address of the terminal belongs. The text is forwarded to the IP address of the target data plane.
  • an embodiment of the present invention provides a method for load sharing, including:
  • the router receives the forwarding rule of the terminal sent by the service flow control plane, and the forwarding rule is generated by the service flow control plane according to the IP address of the terminal, and is used to indicate the target data plane when the data packet of the terminal is forwarded; the router according to the forwarding rule The policy routing is delivered; the router receives the data packet of the terminal, and forwards the data packet to the target data plane according to the policy routing.
  • the router generates a policy route according to the forwarding rule sent by the data flow control plane. After the subsequent packet arrives at the router, the router selects the route and forwards the data to the corresponding data plane for service processing, so that the policy routes generated by different users are different. The router forwards to the data plane differently, thus achieving load sharing.
  • the forwarding rule includes an IP address of the terminal and an IP address of the target data plane.
  • the forwarding rule includes an IP address segment to which the IP address of the terminal belongs, and an IP address of the target data plane; when the router receives the data packet sent by the terminal in the IP address segment to which the IP address of the terminal belongs, The data packet sent by the terminal in the IP address segment is forwarded to the target data plane.
  • an embodiment of the present invention provides a method for load sharing, including:
  • the data plane receives the communication configuration information of the application server associated with the predefined service of the terminal sent by the service flow control plane; the data plane receives the data packet of the terminal; and the data plane determines the predefined service matched by the data packet, according to the predefined service association
  • the communication configuration information of the application server sends the data packet to the corresponding application server.
  • the service flow control plane can control the correspondence between the terminal and the specific application server (Inline Service) instance when configuring the application server communication configuration information for the predefined service, and can correspond to the actual situation of the service.
  • the relationship is flexibly and dynamically adjusted to enable load sharing among multiple inline sevice instances of the same type.
  • the communication configuration information of the application server associated with the predefined service includes communication configuration information of the application server associated with each predefined service of the terminal, and the communication configuration information includes an IP address, a port, a communication mode, and a datagram of the application server. The order in which the text flows through each application server.
  • the embodiment of the present invention further provides a control plane entity, and specifically implements a function corresponding to the load sharing method provided by the foregoing first aspect.
  • the functions may be implemented by hardware or by executing corresponding software programs through hardware.
  • the hardware and software include one or more unit modules corresponding to the functions described above, which may be software and/or hardware.
  • control plane entity includes:
  • a receiving unit configured to receive an online request of the terminal, where the online request carries the terminal information, where the terminal information includes an IP address of the terminal and network subscription information of the terminal;
  • the forwarding rule generating unit is configured to perform service scheduling according to the IP address of the terminal, and generate a forwarding rule, where the forwarding rule indicates a target data plane when the data packet of the terminal is forwarded;
  • a communication configuration information generating unit configured to determine a predefined service of the terminal according to the network subscription information of the terminal, and determine communication configuration information of the application server associated with the predefined service
  • a sending unit configured to send a forwarding rule to the router, so that the router sends the data packet to the target data plane when receiving the data packet of the terminal;
  • the sending unit is further configured to send the communication configuration information of the application server to the target data plane, so that the target data plane sends the data packet to the corresponding application server according to the communication configuration information of the application server.
  • each unit module in the control plane entity also performs all or part of the steps performed by the data flow control plane in the load sharing method provided by the first aspect.
  • an embodiment of the present invention provides a control plane entity, where the control plane entity may be a server, including:
  • An interconnected transceiver, processor and memory a memory for storing program code, the processor invoking program code in the memory to perform the steps performed by the control plane entity of the first aspect above.
  • the embodiment of the present invention further provides a router, which specifically implements the function corresponding to the load sharing method provided by the foregoing second aspect.
  • the functions may be implemented by hardware or by executing corresponding software programs through hardware.
  • the hardware and software include one or more unit modules corresponding to the functions described above, which may be software and/or hardware.
  • control plane entity includes:
  • the receiving unit is configured to receive a forwarding rule of the terminal sent by the service flow control plane, where the forwarding rule is generated by the service flow control plane according to the IP address of the terminal, and is used to indicate the target data plane when the data packet of the terminal is forwarded;
  • a processing unit configured to deliver a policy route according to a forwarding rule
  • the receiving unit is further configured to receive a data packet of the terminal,
  • a sending unit configured to forward the data packet to the target data plane according to the policy routing.
  • the router provided by the embodiment of the present invention includes:
  • An interconnected transceiver, processor and memory a memory for storing program code, the processor invoking program code in the memory to perform the steps performed by the router in the second aspect above.
  • the embodiment of the present invention further provides a data plane entity, and specifically implements a function corresponding to the load sharing method provided by the foregoing third aspect.
  • the functions may be implemented by hardware or by executing corresponding software programs through hardware.
  • the hardware and software include one or more unit modules corresponding to the functions described above, which may be software and/or hardware.
  • the data plane entity includes:
  • a receiving unit configured to receive communication configuration information of an application server associated with a predefined service of the terminal sent by the service flow control plane;
  • the receiving unit is further configured to receive a data packet of the terminal
  • a processing unit configured to determine a predefined service in which the data packet matches
  • a sending unit configured to send the data packet to the corresponding application server according to the communication configuration information of the application server associated with the predefined service.
  • the router provided by the embodiment of the present invention includes:
  • An interconnected transceiver, processor and memory a memory for storing program code, the processor invoking program code in the memory to perform the steps performed by the data plane of the third aspect above.
  • the router selects a route to be forwarded to the corresponding data plane for service processing, so that the policy routes generated by different users are different, and the device forwards to the data plane is different, thereby implementing load sharing.
  • FIG. 1 is a diagram of a network load sharing diagram according to an embodiment of the present invention
  • FIG. 2 is a flow chart of information interaction of a load sharing method according to an embodiment of the present invention.
  • FIG. 3 is a hardware structural diagram of a control plane entity or a data plane entity in an embodiment of the present invention
  • FIG. 4 is a structural block diagram of a control plane entity in an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of a data plane entity in an embodiment of the present invention.
  • FIG. 6 is a hardware structural diagram of a router according to an embodiment of the present invention.
  • FIG. 7 is a structural diagram of a functional module of a router according to an embodiment of the present invention.
  • the control plane of the service orchestration system is configured, and the control plane sends the route forwarding after the service is scheduled.
  • the router After the rule is sent to the router, the router generates a policy route according to the forwarding rule.
  • the router forwards the packet according to the policy route that was delivered last time, and forwards the packet to the corresponding workflow data plane. Deeper parsing and doing business, and forwarding to the corresponding inline service (third-party application server or application server) for business after parsing and decision-making, after sending the service, sending the data packet to the service provider server.
  • SP server Service Provider Server
  • the application server in the embodiment of the present invention may include various types, such as: a security protection server, a video optimization server, a multimedia processing server, and a file processing server, wherein the security protection server, the video optimization server, the multimedia processing server, and the file processing server are all It can be a third-party application (Third APP), for example, the video optimization server can be Skyfire Rocket, the multimedia processing server can be Openwave, the file processing server can be OpenWRT security protection.
  • a security protection server can be a third-party application (Third APP)
  • the video optimization server can be Skyfire Rocket
  • the multimedia processing server can be Openwave
  • the file processing server can be OpenWRT security protection.
  • Each application server can be multi-instance, and load balancing can be achieved by deploying multiple instances.
  • the communication configuration information of the application server that the user pre-defined service association is sent by the control plane includes the communication address IP, the port number, the communication mode, the flow order, and the like of the application server through which the data packet of each predefined service of the terminal needs to flow.
  • the application server through which a certain predefined service data packet needs to flow is: security protection—video optimization—multimedia processing—file processing, when the data packet of the end user comes, the data plane is controlled according to the data flow.
  • security protection video optimization—multimedia processing—file processing
  • the application server communication configuration information is delivered for each service, for example, security protection, video optimization, multimedia processing, file processing, etc., according to the arranged services.
  • FIG. 1 is only a schematic diagram of a simple networking. In actual applications, different networking modes exist. The present invention does not limit the specific networking mode.
  • Steps 201-203 are processes for the user to access the data flow control plane:
  • the gateway receives an online request of the terminal user.
  • the online request carries the subscription information (or network parameters) of the UE, such as an International Mobile Subscriber Identification Number (IMSI).
  • IMSI International Mobile Subscriber Identification Number
  • the gateway allocates an IP address to the terminal; for example, the gateway allocates an IP address to the terminal user as 192.168.100.100.
  • the gateway sends the online request to the service flow control plane, and the service flow control plane receives the online request of the terminal.
  • the online request carries the terminal information, which includes the IP address assigned by the gateway to the terminal and the network subscription information of the terminal.
  • the control plane After receiving the online request, the control plane performs service scheduling, and sends a forwarding rule to the router.
  • the application server communication configuration information is sent to the target data plane, which is implemented by performing the following steps:
  • the service flow control plane performs service scheduling according to the IP address of the terminal, and generates a forwarding rule.
  • the service flow control plane performs the decision according to the IP address of the terminal, and sends a forwarding rule to the router to indicate the target data plane when the data packet of the terminal is forwarded, so that the data packets of different terminals are forwarded to different On the data side.
  • the service flow control plane decides which path to send to the router.
  • the decision is the forwarding rule sent to the router.
  • the forwarding rule includes at least the IP address of the terminal and the IP address of the target data plane.
  • the service flow control plane sends the forwarding rule to the router.
  • the router delivers the policy route according to the forwarding rule.
  • the router generates a corresponding policy route according to the forwarding rule sent by the service flow control plane.
  • the router receives the data packet of the terminal (including the uplink data packet of the terminal, or the service provider server (SP server) downlinks to the terminal
  • the data packet can be matched to the policy route, and the data packet of the terminal is sent to the corresponding target data plane.
  • the service flow control plane determines the predefined service of the terminal according to the network subscription information of the terminal, and determines communication configuration information of the application server associated with the predefined service of the terminal.
  • the service flow control plane determines the predefined services of the terminal according to the network subscription information of the terminal, and determines the communication configuration information of the application servers associated with the predefined services.
  • control plane stores a predefined service template of multiple terminals (that is, the terminal user), where the predefined service template stores the type of service to be performed by each terminal, for example, the A terminal can be used as a webpage or a firewall.
  • video services; B terminals can do web and video services.
  • the service flow control plane determines the predefined service of the terminal from the stored predefined service template according to the network subscription information of the terminal.
  • the communication information of the application server associated with the predefined services is configured.
  • the communication address IP, the port number, the communication mode, the flow order, and the like of the application server are configured for each of the predefined services, and the communication modes include TCP, UDP, SCTP, and ICAP.
  • security protection video optimization—multimedia processing—file processing
  • IP address IP address, port number, and communication of each application server that needs to flow through. the way.
  • the service flow control plane sends the communication configuration information of the application server to the target data plane.
  • the traffic flow control plane sends the communication configuration information of the application server associated with the predefined service to the target data plane, and when the target data plane receives the data packet of the terminal, parses the data packet according to the application server associated with the predefined service.
  • the communication configuration information is done in one application server.
  • the service flow control plane After the user goes online successfully, the service flow control plane returns a successful online response to the gateway;
  • the service flow control plane sends a forwarding rule to the router, and sends the application server communication configuration information associated with the predefined service to the target data plane, and then returns the user online success response message to the gateway.
  • the gateway returns a user attach success response to the terminal
  • the terminal sends a user data packet to access the service, and sends the data packet to the gateway.
  • the data packet is the uplink data packet of the terminal.
  • the router receives the data packet of the terminal sent by the gateway, matches the policy route in step 206, forwards the packet according to the matched routing table, and sends the data packet to the target data plane for decision.
  • the target data plane After receiving the data packet, the target data plane performs a seven-layer analysis to determine the predefined service matched by the data packet, and finds the need according to the communication configuration information of the application server associated with the predefined service received in step 208.
  • the service is performed on the inline service, the data packet is sent to the corresponding application server, and the service is performed on one application server.
  • the data plane performs each service according to the application server communication configuration information sent by the data flow control plane, security protection, video optimization, multimedia processing, Document processing, etc. are done one by one according to the arranged business.
  • step 2014-step 2015 the target data plane sends the data packet to the application server 1 for service, and after completing the service, returns to the target data plane.
  • Step 2016-Step 2017 is that the target data plane sends the data packet to the application server 2 for doing business, and after completing the business, returns to the target data plane.
  • the target data plane completes the service on the corresponding application server according to the communication configuration information of the application server associated with the predefined service
  • the data packet is sent to the router, and the router sends the data packet to the service provider server (SP). Server).
  • SP service provider server
  • Step 2019 - Step 2014 Conversely, the data packet of the service provider server from the downlink to the terminal is opposite to the uplink processing.
  • the data packet returned by the service provider server is first sent to the router, and the step is matched to the step.
  • the policy routing in 206 (the data packet received by the router is a service packet from the server to the terminal), and is forwarded according to the matched routing forwarding table, and the data packet is sent to the target data plane for decision. .
  • the target data plane decides whether to do the inline service according to the communication configuration information of the associated application server, and if necessary, goes to the corresponding application server to do the service, and after completing the service, returns to the router, and the router sends the data packet again.
  • the terminal the data packet returned by the service provider server is first sent to the router, and the step is matched to the step.
  • the policy routing in 206 (the data packet received by the router is a service packet from the server to the terminal), and is forwarded according to the matched routing forwarding
  • the gateway or other device is routed to the router, the general route forwarding can only be forwarded according to the configuration, and the intelligent forwarding cannot be implemented. Therefore, the route cannot be load-sharing.
  • the router routes are instructed, and the router generates a policy route. After the subsequent packets arrive at the router, the router selects the route and forwards the data to the corresponding data plane for service processing, so that the policy route generated by different users is not Similarly, the forwarding of the device to the data plane is different, thus achieving load sharing.
  • the service flow control plane configures the application server communication configuration information for the predefined service
  • the correspondence between the terminal and the specific application server (Inline Service) instance can be controlled, and the correspondence can be flexibly adjusted according to the actual situation of the service. Dynamically tuned to enable load sharing among multiple inline sevice instances of the same type.
  • the traffic flow control plane when the traffic flow control plane sends the forwarding rule to the router, it is a forwarding rule generated for a single terminal, and the source IP address (terminal IP address) of the forwarding rule includes only the IP of a single terminal.
  • the service flow control plane may not only deliver a single IP address to the policy route to implement load sharing, but also may send the area address, that is, the band mask as the load sharing.
  • the forwarding rule includes an IP address segment to which the IP address of the terminal belongs, and an IP address of the target data plane, which is used to indicate that the data packet sent by the terminal in the IP address segment to which the IP address of the terminal belongs is forwarded to the same target data plane.
  • the source IP address is 192.168.0.0/16, indicating that the IP address of the terminal user starting with 192.168 is forwarded to the same Target data surface.
  • FIG. 3 is a schematic diagram of a hardware structure of a control plane entity or a data plane entity according to an embodiment of the present invention.
  • the control plane entity and the data plane entity may be servers.
  • the server 300 may vary greatly depending on configuration or performance, and may include one or more processors (central processing units, CPU for short) 322 (eg, one or more processors) and a memory 330.
  • Memory 330 is used to store one or more storage applications 342 or data 344, storing one or more operating systems 341, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, and the like.
  • the program stored in memory 330 may include one or more modules (not shown), each of which may include a series of instruction operations in the control plane device. Still further, the processor 322 can communicate with the memory 330 to perform a series of instruction operations in the memory 330 on the server 300.
  • Server 300 also includes one or more transceivers 350, which may be wired or wireless network interfaces.
  • the hardware structure may be the control plane entity shown in the above method embodiment, or may be a data plane entity.
  • control plane entity or the data plane entity in the embodiment of the present invention may also be implemented by an application-specific integrated circuit (ASIC), or programmable logic.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the above PLD can be a complex programmable logic device (English: complex programmable logic device, Abbreviation: CPLD), FPGA, general array logic (English: general array logic, abbreviation: GAL) or any combination thereof.
  • FIG. 4 a schematic diagram of a function module of a control plane entity in the embodiment of the present invention is shown in FIG. 4, and includes:
  • the receiving unit 401 is configured to receive an online request of the terminal, where the online request carries terminal information, where the terminal information includes an IP address of the terminal and network subscription information of the terminal;
  • the forwarding rule generating unit 402 is configured to perform service scheduling according to the IP address of the terminal, and generate a forwarding rule, where the forwarding rule indicates a target data plane when the data packet of the terminal is forwarded;
  • the communication configuration information generating unit 403 is configured to determine a predefined service of the terminal according to the network subscription information of the terminal, and determine communication configuration information of the application server associated with the predefined service;
  • the sending unit 404 is configured to send the forwarding rule to the router, so that the router sends the data packet to the target data plane when receiving the data packet of the terminal;
  • the sending unit 404 is further configured to send the communication configuration information of the application server to the target data plane, so that the target data plane sends the data packet to the application configuration information according to the communication configuration information of the application server.
  • the corresponding application server is further configured to send the communication configuration information of the application server to the target data plane, so that the target data plane sends the data packet to the application configuration information according to the communication configuration information of the application server.
  • the predefined service of the terminal includes at least one type; the communication configuration information generating unit 403 is specifically configured to determine communication configuration information of an application server associated with each predefined service of the terminal.
  • the communication configuration information includes an IP address, a port, and a communication mode of the application server.
  • the forwarding rule generating unit 402 is specifically configured to perform service scheduling according to the IP address of the terminal, and generate a forwarding rule, where the forwarding rule includes an IP address of the terminal and an IP address of the target data plane.
  • the forwarding rule indicates a target data plane when the data packet of the terminal is forwarded;
  • the forwarding rule generating unit is specifically configured to perform service scheduling according to the IP address of the terminal, and generate a forwarding rule, where the forwarding rule includes an IP address segment to which the IP address of the terminal belongs, and a target.
  • the IP address of the data plane indicates the target data plane when the data packet of the terminal is forwarded, and is further used to indicate that the data packet sent by the terminal in the IP address segment to which the IP address of the terminal belongs is forwarded to The target data surface.
  • FIG. 5 a schematic diagram of a function module of a data plane entity in the embodiment of the present invention is shown in FIG. 5, and includes:
  • the receiving unit 501 is configured to receive communication configuration information of the application server of the predefined service association of the terminal that is sent by the service flow control plane, and is further configured to receive the data packet of the terminal;
  • the processing unit 502 is configured to determine a predefined service that the data packet matches
  • the sending unit 503 is configured to send the data packet to the corresponding application server according to the communication configuration information of the application server that is associated with the predefined service.
  • the router may include at least one network interface or other communication interface, at least one receiver 601, at least one transmitter 602, at least one processor 603, and a memory 604.
  • At least one network interface may be wired or Wireless
  • the memory 604 can include read-only memory and random access memory, and provides instructions and data to the processor 603.
  • a portion of the memory 604 can also include, possibly including, a high-speed random access memory (RAM), and possibly a non- Un-volatile memory.
  • RAM high-speed random access memory
  • the memory 604 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof:
  • Operation instructions include various operation instructions for implementing various operations.
  • Operating system Includes a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the processor 603 executes all or part of the steps performed by the router in the embodiment shown in FIG. 2 by calling an operation instruction stored in the memory 604 (which may be stored in the operating system).
  • FIG. 7 a schematic diagram of a function module of a router in the embodiment of the present invention is as shown in FIG. 7, and includes:
  • the receiving unit 701 is configured to receive a forwarding rule of the terminal sent by the service flow control plane, where the forwarding rule is generated by the service flow control plane according to the IP address of the terminal, and is used to indicate the data packet of the terminal.
  • Target data surface when forwarding is configured to indicate the data packet of the terminal.
  • the processing unit 702 is configured to deliver a policy route according to the forwarding rule.
  • the receiving unit 701 is further configured to receive a data packet of the terminal,
  • the sending unit 703 is configured to forward the data packet to the target data plane according to the policy routing.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • Including a number of instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the methods described in various embodiments of the present invention Step by step.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

L'invention concerne un procédé de répartition de charge et un dispositif associé, servant à réaliser dynamiquement une répartition de charge de flux d'utilisateurs. Le procédé selon les modes de réalisation de la présente invention comporte les étapes consistant: en déployant un plan de commande de flux de données, lorsque un terminal est connecté, à effectuer une disposition de service au moyen du plan de commande de flux de données, à délivrer une règle de réacheminement à un routeur de façon à donner comme instruction au routeur d'envoyer un message de données du terminal à un plan de données cible, et en même temps, déterminer des informations de configuration de communications concernant un service prédéfini du terminal et les envoyer au plan de données cible. Après qu'un message de données subséquent a atteint le routeur, celui-ci exécute un itinéraire de politique pour réacheminer le message de données vers un plan de données cible correspondant pour le traitement du service, de telle façon que des itinéraires de politique générés par des terminaux différents soient différents, et des plans de données destinataires de réacheminement par le routeur soient également différents, réalisant ainsi une répartition de charge. En même temps, des messages de données de même type de différents utilisateurs peuvent être réacheminés vers différentes instances de serveur d'applications, de sorte qu'une répartition de charge peut être réalisée entre les instances de serveur d'applications.
PCT/CN2017/093403 2016-07-27 2017-07-18 Procédé de répartition de charge et dispositif associé WO2018019157A1 (fr)

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