WO2023078210A1 - Procédé et appareil de traitement de paquets, et système de communication - Google Patents

Procédé et appareil de traitement de paquets, et système de communication Download PDF

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Publication number
WO2023078210A1
WO2023078210A1 PCT/CN2022/128659 CN2022128659W WO2023078210A1 WO 2023078210 A1 WO2023078210 A1 WO 2023078210A1 CN 2022128659 W CN2022128659 W CN 2022128659W WO 2023078210 A1 WO2023078210 A1 WO 2023078210A1
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WIPO (PCT)
Prior art keywords
forwarding
dns query
target
message
address
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PCT/CN2022/128659
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English (en)
Chinese (zh)
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普云
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华为技术有限公司
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Publication of WO2023078210A1 publication Critical patent/WO2023078210A1/fr

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Classifications

    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/62—Queue scheduling characterised by scheduling criteria
    • H04L47/625—Queue scheduling characterised by scheduling criteria for service slots or service orders
    • H04L47/6275—Queue scheduling characterised by scheduling criteria for service slots or service orders based on priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
    • 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
    • H04Q11/0005—Switch and router 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation

Definitions

  • the present application relates to the technical field of communication, and in particular to a message processing method and device, and a communication system.
  • the communication system includes: a first node, a second node and a forwarding node.
  • the first node may send a message to the second node.
  • the forwarding node is located between the message forwarding path of the first node and the second node, and is used for forwarding the message between the first node and the second node.
  • the communication system further includes a control node, and the control node can send an Internet protocol (internet protocol, IP) address corresponding to the target forwarding policy to the forwarding node.
  • IP Internet protocol
  • the forwarding node forwards the message based on the target forwarding policy, such as performing accelerated forwarding of the message.
  • the present application provides a message processing method and device, and a communication system, which can solve the problem that the message forwarding mode of the current communication system is relatively single, and the technical solution is as follows:
  • a message processing method comprising: after the first forwarding node obtains the first correspondence between the domain name and the IP address, obtains the forwarding information corresponding to the target forwarding policy, the forwarding information includes the target domain name ; Afterwards, the first forwarding node determines the IP address corresponding to the target domain name according to the first correspondence, and processes the target packet based on the target forwarding policy. Wherein, the IP address corresponding to the target domain name includes the destination IP address of the target packet.
  • the present application enriches the message forwarding mode of the communication system.
  • the first forwarding node is an optical line terminal (optical line terminal, OLT) or an optical network terminal (optical network terminal, ONT).
  • the first forwarding node forwards the first domain name system (domain name system, DNS) query request message and the corresponding first DNS query response message, and according to the forwarded first A DNS query response message to determine the first corresponding relationship.
  • DNS domain name system
  • the DNS query request message includes at least one domain name
  • the DNS query response message includes at least one domain name and the IP address corresponding to at least one domain name.
  • the first forwarding node does not need to determine the first corresponding relationship according to the first DNS query request message and the first DNS query response message, but can determine the first corresponding relationship only according to the first DNS query response message. Therefore, the way for the first forwarding node to determine the first correspondence is relatively simple.
  • the first DNS query request message may be a message sent by a certain node to the domain name server
  • the first DNS query response message may be a message sent by the domain name server to the node.
  • the first forwarding node is located on the forwarding path of the first DNS query request message and the first DNS query response message, and can listen to the first DNS query request message and the first DNS query response message (snooping), and Capture the first DNS query request message and the first DNS query response message, so that the first forwarding node can analyze the forwarded first DNS query response message, and record the key information of the message to determine the first corresponding relationship.
  • the above content takes the first forwarding node forwarding a first DNS query request message and the corresponding first DNS query response message as an example.
  • the first forwarding node can also forward multiple first DNS query request messages. text and corresponding first DNS query response messages, and determine the first corresponding relationship according to the first DNS query response messages corresponding to the plurality of first DNS query request messages.
  • the first forwarding node forwards the first DNS query request message and the corresponding first DNS query response message, and according to the forwarded first DNS query request message and the first DNS query response message, A DNS query response message to determine the first corresponding relationship.
  • the DNS query request message includes at least one domain name
  • the DNS query response message includes at least one IP address corresponding to the domain name.
  • the first forwarding node may determine the first corresponding relationship according to the forwarded first DNS query request message and the first DNS query response message, instead of only according to the forwarded first DNS query response message.
  • a DNS query response message determines the first correspondence.
  • the first DNS query response message may not include the at least one domain name.
  • the first forwarding node may automatically learn the first correspondence.
  • the communication system further includes a second forwarding node, the second forwarding node is located on the forwarding path between a certain node and the domain name server, and the second forwarding node and the first forwarding node communication connection.
  • the first forwarding node may receive the first correspondence sent by the second forwarding node, so as to obtain the first correspondence.
  • the second forwarding node please refer to the introduction of the above-mentioned first forwarding node, and for the method for the second forwarding node to obtain the first corresponding relationship, please refer to the first optional implementation method or the second method for the first forwarding node to obtain the first corresponding relationship.
  • the second forwarding node may send the first correspondence to the first forwarding node.
  • the first forwarding node performs fewer actions, so the power consumption and complexity of the first forwarding node are relatively low.
  • the above-mentioned first correspondence relationship may be obtained by the first forwarding node through static configuration. For example, a worker configures the first corresponding relationship on the first forwarding node, so that the first forwarding node can obtain the first corresponding relationship.
  • the forwarding information also includes the target IP address.
  • the source IP address of the target packet is the target IP address.
  • the first forwarding node may receive forwarding information corresponding to the target forwarding policy sent by the control node.
  • the control node is a computer or server controlled by the staff, and the staff controls the control node to send forwarding information corresponding to the target forwarding strategy to the first forwarding node.
  • the first forwarding node may also not receive the forwarding information corresponding to the target forwarding policy sent by the control node, but determine the forwarding information through static configuration. For example, a worker configures the forwarding information on the first forwarding node, so that the first forwarding node obtains the forwarding information.
  • the target forwarding policy can be used to: increase the transmission rate of the target packet; or reduce the transmission rate of the target packet; or prohibit the forwarding of the target packet.
  • the first forwarding node can accelerate the process of forwarding the target message to the second node.
  • the first forwarding node can also be called an acceleration node; when the target forwarding strategy When used to reduce the transmission rate of the target message, the first forwarding node can slow down the process of forwarding the target message to the second node; when the target forwarding policy is used to prohibit the forwarding of the target message, the first forwarding node will not Forward target packets.
  • the packets in the high-priority forwarding queues can be forwarded preferentially. Therefore, the transmission rate of the packets in the high-priority forwarding queues is relatively low. high.
  • the first forwarding node has different ports, and a network path corresponding to the port exists between each port and the second node. Moreover, the lengths of the network paths corresponding to different ports are different, therefore, the transmission rates of the network paths corresponding to different ports are different.
  • the first forwarding node when the target forwarding strategy is used to increase the transmission rate of the target message, the first forwarding node can add the target message to a higher priority forwarding queue, and/or, transfer the message from the corresponding shorter The port of the network path is forwarded to the second node.
  • the target forwarding strategy when the target forwarding strategy is used to reduce the transmission rate of the target message, the first forwarding node may add the target message to a lower priority forwarding queue, and/or, transfer the message from the corresponding longer The port of the network path is forwarded to the second node.
  • the source IP address of the first DNS query request message may be the same as the source IP address of the target message, that is, the target message and the first DNS query request message may be sent by the same node.
  • the first forwarding node may update the IP address corresponding to the target domain name in time.
  • the process includes: firstly, the first forwarding node acquires a second correspondence, the second correspondence is a correspondence obtained by updating the first correspondence, and the second correspondence is different from the first correspondence. Afterwards, the first forwarding node updates the IP address corresponding to the target domain name according to the second correspondence.
  • the second correspondence includes the target domain name and the IP address corresponding to the target domain name
  • the IP address corresponding to the target domain name is an IP address obtained by updating the IP address corresponding to the target domain name in the first correspondence.
  • the second correspondence is a correspondence obtained by updating the first correspondence
  • the second correspondence is different from the first correspondence
  • the IP address corresponding to the target domain name may have changed.
  • the first forwarding node may obtain the IP address corresponding to the target domain name according to the second correspondence, so as to update the IP address corresponding to the target domain name obtained according to the first correspondence.
  • the IP address corresponding to the target domain name can be updated in time when the IP address corresponding to the target domain name changes.
  • the target packet processed by the first forwarding node based on the target forwarding strategy also changes.
  • the updated target domain name corresponds to The IP address includes the destination IP address of the target packet.
  • the first forwarding node can process the message whose destination IP address is the IP address corresponding to the updated target domain name based on the target forwarding policy in a timely manner.
  • implementation manners for the first forwarding node to acquire the second correspondence there are various implementation manners for the first forwarding node to acquire the second correspondence, and these implementation manners may be the implementation manners corresponding to the above four implementation manners for the first forwarding node to acquire the first correspondence.
  • the first forwarding node forwards the second DNS query request message and the corresponding second DNS query response message, and according to the forwarded second DNS query response message, The first corresponding relationship is updated to obtain the second corresponding relationship.
  • the first forwarding node forwards the second DNS query request message and the corresponding second DNS query response message, and according to the forwarded second DNS query request message and the first In the second DNS query response message, the first corresponding relationship is updated to obtain the second corresponding relationship.
  • the first forwarding node receives the second correspondence sent by the second forwarding node.
  • the process of the first forwarding node receiving the second correspondence sent by the second forwarding node reference may be made to the above-mentioned process in the third implementation manner in which the first forwarding node obtains the first correspondence, and the present application will not repeat it here.
  • the above-mentioned second correspondence relationship may be obtained by the first forwarding node through static configuration.
  • the staff configures the second corresponding relationship on the first forwarding node, so that the first forwarding node can obtain the second corresponding relationship.
  • the source IP address of the second DNS query request message may be the same as the source IP address of the target message.
  • at least one source IP address is the same as the source IP address of the target message.
  • at least one source IP address may also be different from the source IP address of the target packet.
  • the present application provides another packet processing method, which includes: the control node sends forwarding information corresponding to the target forwarding strategy to the first forwarding node, and the forwarding information includes: the target domain name.
  • the forwarding information may also include the target IP address.
  • the present application provides another message processing method, the method comprising: the second forwarding node acquires a first correspondence between domain names and IP addresses, and sends the first correspondence to the first forwarding node.
  • the second forwarding node acquires a first correspondence between domain names and IP addresses, and sends the first correspondence to the first forwarding node.
  • the method further includes: the second forwarding node acquires the second correspondence, and sends the second correspondence to the first forwarding node.
  • the second correspondence is a correspondence obtained by updating the first correspondence, and the second correspondence is different from the first correspondence.
  • the present application provides a message processing device, which includes: a first obtaining module, a second obtaining module, a determining module and a processing module.
  • the first obtaining module is used to obtain the first corresponding relationship between the domain name and the IP address
  • the second obtaining module is used to obtain the forwarding information corresponding to the target forwarding strategy, and the forwarding information includes: the target domain name
  • the determining module is used to According to the first correspondence, determine the IP address corresponding to the target domain name
  • a processing module configured to process the target message based on the target forwarding policy, and the IP address corresponding to the target domain name includes the purpose of the target message IP address.
  • the packet processing apparatus further includes: a third obtaining module, configured to obtain a second correspondence, the second correspondence is a correspondence obtained by updating the first correspondence, and the second The corresponding relationship is different from the first corresponding relationship; an update module, configured to update the IP address corresponding to the target domain name according to the second corresponding relationship.
  • the first acquiring module is configured to: forward a first DNS query request message and a corresponding first DNS query response message; determine the first DNS query response message according to the forwarded first DNS query response message.
  • the third obtaining module is configured to: forward a second DNS query request message and a corresponding second DNS query response message; according to the forwarded second DNS query response message, the first corresponding The relationship is updated to obtain a second corresponding relationship; wherein, for a DNS query request message and a corresponding DNS query response message, the DNS query request message includes at least one domain name, and the DNS query response message includes the At least one domain name, and an IP address corresponding to the at least one domain name.
  • the first acquiring module is configured to: forward the first DNS query request message and the corresponding first DNS query response message; according to the forwarded first DNS query request message and the first DNS A query response message to determine the first correspondence;
  • the third acquisition module is configured to: forward a second DNS query request message and a corresponding second DNS query response message; according to the forwarded second DNS query The request message and the second DNS query response message update the first correspondence to obtain the second correspondence; wherein, for a DNS query request message and a corresponding DNS query response message, the The DNS query request message includes at least one domain name, and the DNS query response message includes an IP address corresponding to the at least one domain name.
  • At least one source IP address of the source IP address of the first DNS query request message and the source IP address of the second DNS query request message is the same as the source IP address of the target message.
  • the first acquiring module is configured to: receive the first correspondence sent by the second forwarding node; the third acquiring module is configured to: receive the second correspondence sent by the second forwarding node relation.
  • the forwarding information further includes: a target IP address, where the source IP address of the target packet is the target IP address.
  • the second acquiring module is configured to: receive forwarding information corresponding to the target forwarding policy sent by a control node.
  • the target forwarding policy is used to: increase the transmission rate of the target packet; or, reduce the transmission rate of the target packet; or prohibit forwarding of the target packet.
  • the first forwarding node is an OLT or an ONT.
  • the present application provides another message processing device, the message processing device is a control node, and the message processing device includes: a sending module, configured to send the message corresponding to the target forwarding policy to the first forwarding node Forwarding information, where the forwarding information includes: a target domain name.
  • the forwarding information may also include the target IP address.
  • the present application provides yet another message processing device, the message processing device is a second forwarding node, and the message processing device includes: a first obtaining module, configured to obtain the first information of a domain name and an IP address A correspondence; a first sending module, configured to send the first correspondence to the first forwarding node.
  • a first obtaining module configured to obtain the first information of a domain name and an IP address A correspondence
  • a first sending module configured to send the first correspondence to the first forwarding node.
  • the packet processing apparatus further includes: a second obtaining module, configured to obtain the second correspondence; a second sending module, configured to send the second correspondence to the first forwarding node.
  • the second correspondence is a correspondence obtained by updating the first correspondence, and the second correspondence is different from the first correspondence.
  • the present application provides a communication device, which includes: a processor and a memory, where a program is stored in the memory; the processor is used to invoke the program stored in the memory, so that the The communication device executes the message processing method described in any design of the first aspect.
  • the present application provides a communication device, which includes: a processor and a memory, where a program is stored in the memory; the processor is used to call the program stored in the memory, so that the The communication device executes the packet processing method according to any design of the second aspect.
  • the present application provides a communication device, which includes: a processor and a memory, where a program is stored in the memory; the processor is used to call the program stored in the memory, so that the The communication device executes the packet processing method described in any design of the third aspect.
  • the present application provides a communication system, the communication system includes: a first forwarding node, the first forwarding node is any one of the message processing devices designed in the fourth aspect, or, in the seventh aspect The communication device.
  • the communication system further includes a control node, where the control node is the packet processing device described in the fifth aspect, or the communication device described in the eighth aspect.
  • the communication system further includes a second forwarding node, where the second forwarding node is the packet processing device described in the sixth aspect, or the communication device described in the ninth aspect.
  • the present application provides a computer storage medium, where a computer program is stored in the computer storage medium; when the computer program runs on a computer, the computer executes the first aspect, the second aspect or the third aspect The message processing method described in any one of the designs.
  • the present application provides a computer program product.
  • the computer program product runs on a computer
  • the computer executes the report described in any one of the first aspect, the second aspect, or the third aspect. Text processing method.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a communication device provided in an embodiment of the present application.
  • FIG. 3 is a flow chart of a message processing method provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a DNS query message provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another communication system provided by an embodiment of the present application.
  • Fig. 6 is a flow chart of the first forwarding node obtaining the first corresponding relationship provided by the embodiment of the present application;
  • FIG. 7 is a schematic diagram of a first forwarding node forwarding a target message according to an embodiment of the present application.
  • FIG. 8 is a flow chart of another message processing method provided by an embodiment of the present application.
  • Fig. 9 is a block diagram of a message processing device provided by an embodiment of the application.
  • Fig. 10 is a block diagram of another message processing device provided by the embodiment of the application.
  • Fig. 11 is a block diagram of another packet processing device provided by the embodiment of the application.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • the communication system includes: a first node 01 , a first forwarding node 02 , a control node 03 and a second node 04 .
  • the node in the communication system may be a communication device, and may also be a part of the communication device (such as an interface unit of the device).
  • the control node 03 may also be a communication device or a part of a communication device.
  • the first node 01 can be a client (such as a mobile phone, a computer, etc.), the first forwarding node 02 can be an ONT or OLT, etc., the control node 03 can be a computer, a server, etc., and the second node 04 can be a server or a server cluster .
  • the communication system when the first forwarding node 02 is an OLT, the communication system further includes an ONT, and the ONT is located between the OLT and the first node 01.
  • the communication system further includes an OLT, and the OLT is located between the ONT and the second node 04.
  • the above-mentioned communication device may include: a processor; the processor is configured to be coupled with the memory, and after reading the instructions in the memory, execute the method performed by the communication device as described in the embodiment of the present application according to the instructions.
  • the memory coupled to the processor may be independent of the processor or the communication device, or within the processor or the network device.
  • the storage can be a physically independent unit, or it can be a storage space on a cloud server or a network hard disk.
  • the communication device 200 includes: a processor 202 and a memory 201, wherein the memory 201 is used to store a program, and the processor 202 is used to call the program stored in the memory 201, so that the communication device executes a corresponding method or function.
  • the communication device 200 may further include at least one communication interface 203 and at least one communication bus 204 .
  • the memory 201 , the processor 202 and the communication interface 203 are communicatively connected through a communication bus 204 .
  • the communication interface 203 is used for communicating with other devices under the control of the processor 202 , and the processor 202 can call the program stored in the memory 201 through the communication bus 204 .
  • the first node 01 can send a message to the second node 04, and the first forwarding node 02 is located between the message forwarding path of the first node 01 and the second node 04, and is used to forward the first node 01 and Messages between the second node 04.
  • the control node 03 may send the IP address corresponding to the target forwarding policy to the first forwarding node 02 .
  • the first forwarding node 02 will forward the message based on the target forwarding policy, for example, increase the transmission rate of the message wait.
  • the IP address corresponding to the above target forwarding policy may be configured on the control node 03 by the staff.
  • the staff can determine the application that needs to use the target forwarding policy to forward packets, and determine the domain name corresponding to the application, and then determine the IP address corresponding to the domain name, and use this IP address as the IP address corresponding to the target forwarding policy.
  • the node has an IP address, and the node can provide services, and the node with the IP address corresponding to the domain name is used to provide the service related to the application corresponding to the domain name.
  • the target forwarding policy sent by the control node 03 to the first forwarding node 02 corresponds to The IP address of is the IP address of the second node 04. In this way, the message sent from the first node 01 to the second node 04 can be forwarded at the first forwarding node 02 using the target forwarding strategy.
  • FIG. 3 is a flow chart of a packet processing method provided by an embodiment of the present application, and the method may be used in the first forwarding node 02 in FIG. 1 .
  • the message processing method includes:
  • the first forwarding node acquires a first correspondence between a domain name and an IP address.
  • the first correspondence between domain names and IP addresses includes a correspondence between at least one domain name and at least one IP address.
  • each domain name may correspond to one or more IP addresses.
  • both the domain name and the IP address are used to indicate the same node.
  • the domain name may correspond to one IP address, or may correspond to multiple IP addresses.
  • a domain name corresponds to an application
  • the node indicated by the IP address corresponding to the domain name is used to provide services related to the application.
  • the node providing the application-related service may be one node or multiple nodes.
  • the domain name corresponds to the IP address of the node.
  • the domain name corresponds to the IP addresses of the multiple nodes, and the IP addresses of the multiple nodes are different from each other.
  • the IP addresses corresponding to domain name A include: IP address 1 and IP address 2, the node corresponding to IP address 1 (with IP address 1) and the node corresponding to IP address 2 (with IP address 2) both provide the corresponding application-related services.
  • the first forwarding node forwards the first DNS query request message and the corresponding first DNS query response message, and according to the forwarded first DNS query response message, determines first correspondence.
  • the DNS query request message includes at least one domain name
  • the DNS query response message includes at least one domain name and the IP address corresponding to at least one domain name.
  • the structure of the first DNS query request packet is the same as that of the first DNS query response packet, and the structures of these two packets are both shown in FIG. 4 .
  • the message includes, arranged in sequence: Transaction Identity Document (Transaction ID) field, Flags field, Questions field, answer resource record Number (Answers RRs) field, authoritative name server count (Authority RRs) field, additional resource record number (Additional RRs) field, query question area (Queries) field, answer question area (Answers) field, authoritative name server area (Authoritative nameservers) ) field, additional information area (Additional records) field.
  • the transaction identifier field is used to identify a query transaction, and the content of the transaction identifier field in the first DNS query response message and the first DNS query request message is the same, indicating that the two messages are messages of the same query transaction.
  • the first forwarding node may determine, according to the transaction identifier field, that the first DNS query request message and the first DNS query response request belong to the same query transaction.
  • the flag field is used to indicate that the packet is a DNS query request packet or a DNS query response packet.
  • the content of the flag field in the first DNS query request message is used to indicate that the first DNS query request message is a DNS query request message; the content of the flag field in the first DNS query response message is used to indicate the first DNS query response
  • the packet is a DNS query response packet.
  • the first forwarding node can distinguish the first DNS query request message and the first DNS query response message belonging to the same query transaction according to the flag field, which message is the DNS query request message and which message is the DNS query response message .
  • the first forwarding node determines that the message is the first DNS query request message; When the value of the flag information in the flag field of the message is 1, the first forwarding node determines that the message is the first DNS query response message.
  • the content of the query question area field includes the above at least one domain name, and the answer question area field is empty.
  • the content of the query question area field includes the at least one domain name, and the content of the answer question area field includes the IP address corresponding to the at least one domain name.
  • the first forwarding node may determine the IP address corresponding to the at least one domain name according to the question answering area field of the first DNS query response message, and then obtain the first corresponding relationship.
  • the first forwarding node does not need to determine the first corresponding relationship according to the first DNS query request message and the first DNS query response message, but can determine the first corresponding relationship only according to the first DNS query response message. Therefore, the way for the first forwarding node to determine the first correspondence is relatively simple.
  • the first DNS query request message may be a message sent by a certain node to the domain name server
  • the first DNS query response message may be a message sent by the domain name server to the node.
  • the first forwarding node is located on the forwarding path of the first DNS query request message and the first DNS query response message, and can listen to the first DNS query request message and the first DNS query response message, and capture the first The DNS query request message and the first DNS query response message, so that the first forwarding node can analyze the forwarded first DNS query response message and record key information of the message to determine the first corresponding relationship.
  • the communication system further includes a domain name server 05 , and the first node 01 communicates with the domain name server 05 through the first forwarding node 02 .
  • the first DNS query request message as a message sent by the first node 01 to the domain name server 05
  • the first DNS query response message as a message sent by the domain name server 05 to the first node 01 as an example.
  • the process for the first forwarding node 02 to obtain the first correspondence between the domain name and the IP address includes:
  • the first node sends a first DNS query request message to the first forwarding node.
  • the first node 01 needs to send the first DNS query request message to obtain the IP address corresponding to the domain name. For example, when the first node 01 needs to send a message to a node with a certain domain name, the first node 01 can send the first DNS query request message to obtain the IP address corresponding to the domain name, and then send a message to the node with the domain name according to the IP address. The node of the domain name sends the message.
  • the source IP address of the first DNS query request message is the IP address of the first node 01
  • the destination IP address is the IP address of the domain name server 05. Since the first forwarding node 02 is located on the forwarding path between the first node 01 and the domain name server 05, the first node 01 will first send the first DNS query request message to the first forwarding node 02. During this process, The first forwarding node 02 will listen to the message, and capture the first DNS query request message according to the characteristics of the first DNS query request message (such as the content of the transaction identification field and the content of the flag field). Moreover, the first forwarding node 02 will analyze the first DNS query request message, and record the source IP address, destination IP address and key information of the first DNS query request message, such as the content of the query problem area field.
  • the first forwarding node forwards the first DNS query request message to the domain name server.
  • the first forwarding node 02 may forward the message to the domain name server 05 according to the destination IP address of the first DNS query request message.
  • the domain name server sends a first DNS query response message to the first forwarding node.
  • the domain name server 05 can obtain the domain name in the message, obtain the IP address corresponding to the domain name, and generate the first DNS query response message containing the IP address.
  • the source IP address of the message is the IP address of the domain name server 05
  • the destination IP address is the IP address of the first node 02. Since the first forwarding node 02 is located on the forwarding path between the first node 01 and the domain name server 05, the domain name server 05 will first send the first DNS query response message to the first forwarding node 02. A forwarding node 02 will listen to the message, and capture the first DNS query response message according to the characteristics of the first DNS query response message (such as the content of the transaction identification field and the content of the flag field). And, the first forwarding node 02 will analyze the first DNS query response message, and record the source IP address, destination IP address and key information of the first DNS query response message, such as the content of the query question area field and the answer question area field The content of the field.
  • the first forwarding node forwards the first DNS query response message to the first node.
  • the first forwarding node 02 After receiving the first DNS query response message, the first forwarding node 02 can forward the message to the first node 01 according to the destination IP address of the first DNS query response message.
  • the first forwarding node determines the first corresponding relationship according to the forwarded first DNS query response message.
  • the key information may include the contents of the query question area field of the message and the answer question area The content of the field.
  • the content of the query question area field includes at least one domain name
  • the content of the answer question area field includes the IP address corresponding to the at least one domain name. Therefore, the first forwarding node 02 may determine the first corresponding relationship according to the key information of the first DNS query response message.
  • the information of the first DNS query request message and the first DNS query response message recorded by the first forwarding node 02 is shown in Table 1, wherein the first line in Table 1 is the information of the first DNS query request message , the second row in Table 1 is the information of the first DNS query response message.
  • the content of the query question area field of the first DNS query response message includes domain name A, and the content of the answer question area field of the first DNS query response message includes IP address 1 corresponding to domain name A, then the first forwarding node record
  • the key information of the DNS query response message includes: domain name A and IP address 1.
  • Table 1 may also include: sequence number, time, source IP address of the message, destination IP address of the message, protocol and length of the message.
  • serial number is the serial number of the message recorded by the first forwarding node 02
  • time is the time when the first forwarding node 02 captures the message
  • length is the length of the key information of the message.
  • the first forwarding node forwards a first DNS query request message and the corresponding first DNS query response message as an example.
  • the first forwarding node can also forward multiple first DNS query messages. The request message and the corresponding first DNS query response message, and determine the first corresponding relationship according to the first DNS query response messages corresponding to the multiple first DNS query request messages.
  • the first forwarding node forwards the first DNS query request message and the corresponding first DNS query response message, and according to the forwarded first DNS query request message and the first DNS query response message, A DNS query response message to determine the first corresponding relationship.
  • the DNS query request message includes at least one domain name
  • the DNS query response message includes at least one IP address corresponding to the domain name.
  • the first forwarding node may determine the first corresponding relationship according to the forwarded first DNS query request message and the first DNS query response message, instead of only according to the forwarded first DNS query response message.
  • a DNS query response message determines the first corresponding relationship.
  • the first DNS query response message may not include the at least one domain name. In both the first optional implementation manner and the second optional implementation manner, the first forwarding node may automatically learn the first correspondence.
  • the communication system further includes a second forwarding node, the second forwarding node is located on the forwarding path between a certain node and the domain name server, and the second forwarding node and the first forwarding node communication connection.
  • the first forwarding node may receive the first correspondence sent by the second forwarding node, so as to obtain the first correspondence.
  • the second forwarding node please refer to the introduction of the above-mentioned first forwarding node, and for the method for the second forwarding node to obtain the first corresponding relationship, please refer to the first optional implementation method or the second method for the first forwarding node to obtain the first corresponding relationship.
  • the second forwarding node may send the first correspondence to the first forwarding node.
  • the first forwarding node performs fewer actions, so the power consumption and complexity of the first forwarding node are relatively low.
  • the above-mentioned first correspondence relationship may be obtained by the first forwarding node through static configuration. For example, a worker configures the first corresponding relationship on the first forwarding node, so that the first forwarding node can obtain the first corresponding relationship.
  • the first forwarding node acquires forwarding information corresponding to the target forwarding policy, where the forwarding information includes: the target domain name.
  • the target forwarding policy is used to instruct the first forwarding node how to process the target message after receiving the target message.
  • the first forwarding node may increase the transmission rate of the target message.
  • the target forwarding policy may have corresponding forwarding information, for example, the forwarding information includes: the target domain name.
  • the IP address corresponding to the target domain name includes the destination IP address of the target message.
  • the embodiment of the present application does not limit the manner in which the first forwarding node forwards the other messages.
  • the first forwarding node may receive forwarding information corresponding to the target forwarding policy sent by the control node.
  • the control node is a computer or server controlled by the staff, and the staff controls the control node to send the forwarding information corresponding to the target forwarding policy to the first forwarding node.
  • the forwarding information further includes an application identifier and an identifier of a slice corresponding to the target forwarding policy in the first forwarding node.
  • the application identifier is the identifier of the application corresponding to the target domain name
  • the first forwarding node may include a slice corresponding to the target forwarding policy, and the slice is used to forward the message by adopting the target forwarding policy.
  • the first forwarding node has three slices whose forwarding performance is enhanced sequentially, which are copper slices, silver slices, and gold slices, wherein the gold slices are used to forward packets of applications requiring higher forwarding rates, such as virtual reality ( Virtual Reality, VR) application packets; slice silver is used to forward packets of applications with general forwarding rate requirements, such as packets of live broadcast applications; slice copper is used to forward packets of applications with lower forwarding rate requirements, Such as video application packets.
  • slices requiring higher forwarding rates such as virtual reality ( Virtual Reality, VR) application packets
  • slice silver is used to forward packets of applications with general forwarding rate requirements, such as packets of live broadcast applications
  • slice copper is used to forward packets of applications with lower forwarding rate requirements, Such as video application packets.
  • the forwarding rate of the copper slice of the ONT is 2 gigabytes/second (GigaByte/second, GB/s)
  • the forwarding rate of the silver slice is 3GB/s
  • the gold slice The forwarding rate is 5GB/s.
  • the forwarding rate of the copper slice of the OLT is 20GB/s
  • the forwarding rate of the silver slice is 30GB/s
  • the forwarding rate of the gold slice is 50GB/s.
  • the forwarding information sent by the control node can be ⁇ X: domain name A: slice Gold>.
  • the first forwarding node may also not receive the forwarding information corresponding to the target forwarding policy sent by the control node, but determine the forwarding information through static configuration. For example, a worker configures the forwarding information on the first forwarding node, so that the first forwarding node obtains the forwarding information.
  • the forwarding information also includes the target IP address.
  • the source IP address of the target packet is the target IP address.
  • the first forwarding node determines the IP address corresponding to the target domain name according to the first correspondence.
  • the first correspondence includes the target domain name and the IP address corresponding to the target domain name. Further, the first forwarding node may determine the IP address corresponding to the target domain name according to the first correspondence and the target domain name.
  • the first forwarding node may determine that the IP address corresponding to the target domain name is IP address 1.
  • the first forwarding node processes the target packet based on the target forwarding policy, and the IP address corresponding to the target domain name includes the destination IP address of the target packet.
  • the first forwarding node When the first forwarding node receives a message that needs to be forwarded, it can judge whether the message is a target message according to the forwarding information and the first correspondence relationship.
  • the first forwarding node can determine that the IP address corresponding to domain name A is IP Address 1.
  • the first forwarding node When the first forwarding node receives the destination IP address of the message that needs to be forwarded as IP address 1, the first forwarding node determines that the message is the target message, and the slicer of the first forwarding node processes the target message, This process can also be called slice diversion, and the first forwarding node can also be called a diversion node; when the destination IP address of the message to be forwarded by the first forwarding node is not IP address 1, the first forwarding node determines the The message is another message, and the embodiment of the present application does not limit the manner in which the first forwarding node forwards the other message.
  • the source IP address of the target packet is the target IP address. That is to say, when the first forwarding node receives the source IP address of the message to be forwarded as the target IP address, and the IP address corresponding to the target domain name includes the destination IP address of the message, the first forwarding node determines that the message It is the target message, and the message is processed based on the target forwarding policy.
  • the target forwarding strategy is used to: increase the transmission rate of the target message; or decrease the transmission rate of the target message; or prohibit forwarding of the target message.
  • the first forwarding node can accelerate the process of forwarding the target message to the second node.
  • the first forwarding node can also be called an acceleration node; when the target forwarding strategy When used to reduce the transmission rate of the target message, the first forwarding node can slow down the process of forwarding the target message to the second node; when the target forwarding policy is used to prohibit the forwarding of the target message, the first forwarding node will not Forward target packets.
  • the packets in the high-priority forwarding queues can be forwarded preferentially. Therefore, the transmission rate of the packets in the high-priority forwarding queues is relatively low. high.
  • the first forwarding node has different ports, and a network path corresponding to the port exists between each port and the second node. Moreover, the lengths of the network paths corresponding to different ports are different, therefore, the transmission rates of the network paths corresponding to different ports are different.
  • the first forwarding node when the target forwarding strategy is used to increase the transmission rate of the target message, the first forwarding node can add the target message to a higher priority forwarding queue, and/or, transfer the message from the corresponding shorter The port of the network path is forwarded to the second node.
  • the target forwarding strategy when the target forwarding strategy is used to reduce the transmission rate of the target message, the first forwarding node may add the target message to a lower priority forwarding queue, and/or, transfer the message from the corresponding longer The port of the network path is forwarded to the second node.
  • the target forwarding policy when the target forwarding policy is used to prohibit forwarding of the target message, the first forwarding node does not add the target message to any forwarding queue.
  • the source IP address of the first DNS query request message may be the same as the source IP address of the target message, that is, the target message and the first DNS query request message may be sent by the same node.
  • the target message can also be sent by the first node 01, and the first forwarding node 02 receives Afterwards, the target message may be forwarded to the second node 02 based on the target forwarding policy.
  • the first node 01 may send the first DNS query request message to the domain name server to obtain the IP address of the second node 04, and then generate the target message according to the IP address.
  • the first forwarding node 02 can obtain the first corresponding relationship according to these messages, and according to the first The corresponding relationship determines the IP address corresponding to the target domain name corresponding to the target forwarding policy.
  • the first forwarding node 02 may process the target message by using a target forwarding policy.
  • the IP address corresponding to the domain name usually changes. For example, for the IP address corresponding to a certain domain name, the domain name has a corresponding application, and the node with the IP address is used to provide services related to the application. When the node used to provide the service of the application fails, the staff needs to replace the node used to provide the service related to the application. The IP address of the replaced node is different from that of the original node. At this time, the IP address corresponding to the above domain name becomes the IP address of the replaced node.
  • the control node 03 when the IP address corresponding to the domain name corresponding to the application that needs to adopt the target forwarding policy to forward the message changes, the control node 03 (also called the refreshing device) needs to resend the IP address corresponding to the target forwarding policy to the first forwarding node 02 , the IP address corresponding to the target forwarding policy is the changed IP address corresponding to the domain name.
  • the first forwarding node 02 can update the IP address corresponding to the target forwarding policy according to the IP address, so as to stop processing the packet whose destination IP address is the IP address before the change based on the target forwarding policy, and to process the packet based on the target forwarding policy. Process packets with changed IP addresses.
  • the first forwarding node 02 cannot timely update the IP address corresponding to the target forwarding policy . Furthermore, the first forwarding node 02 cannot process the packet whose destination IP address is the changed IP address based on the target forwarding policy in a timely manner.
  • the first forwarding node may update the IP address corresponding to the target domain name in time when the IP address corresponding to the target domain name changes.
  • the message processing method provided in the embodiment of the present application further includes:
  • the first forwarding node acquires a second correspondence, where the second correspondence is a correspondence obtained by updating the first correspondence, and the second correspondence is different from the first correspondence.
  • the second correspondence includes the target domain name and the IP address corresponding to the target domain name, and the IP address corresponding to the target domain name is an IP address obtained by updating the IP address corresponding to the target domain name in the first correspondence.
  • the first forwarding node forwards the second DNS query request message and the corresponding second DNS query response message, and according to the forwarded second DNS query response message, The first corresponding relationship is updated to obtain the second corresponding relationship.
  • the DNS query request message includes at least one domain name
  • the DNS query response message includes at least one domain name and the IP address corresponding to at least one domain name.
  • the first forwarding node forwards the second DNS query request message and the corresponding second DNS query response message, and according to the forwarded second DNS query request message and the first In the second DNS query response message, the first corresponding relationship is updated to obtain the second corresponding relationship.
  • the DNS query request message includes at least one domain name
  • the DNS query response message includes at least one IP address corresponding to the domain name.
  • the first forwarding node receives the second correspondence sent by the second forwarding node.
  • the process of the first forwarding node receiving the second correspondence sent by the second forwarding node reference may be made to the above-mentioned process in the third implementation manner in which the first forwarding node obtains the first correspondence, and the present application will not repeat it here.
  • the above-mentioned second correspondence relationship may be obtained by the first forwarding node through static configuration.
  • the staff configures the second corresponding relationship on the first forwarding node, so that the first forwarding node can obtain the second corresponding relationship.
  • the source IP address of the second DNS query request message may be the same as the source IP address of the target message.
  • At least one source IP address is the same as the source IP address of the target message.
  • at least one source IP address may also be different from the source IP address of the target packet.
  • the first forwarding node updates the IP address corresponding to the target domain name according to the second correspondence relationship.
  • the IP address corresponding to the target domain name may have changed.
  • the first forwarding node may obtain the IP address corresponding to the target domain name according to the second correspondence, so as to update the IP address corresponding to the target domain name obtained according to the first correspondence. In this way, the IP address corresponding to the target domain name can be updated in time when the IP address corresponding to the target domain name changes.
  • the target message processed by the first forwarding node based on the target forwarding strategy also changes, and at this time, update
  • the IP address corresponding to the target domain name includes the destination IP address of the target packet. In this way, the first forwarding node can process the message whose destination IP address is the IP address corresponding to the updated target domain name based on the target forwarding policy in a timely manner.
  • the first forwarding node may process the packet whose destination IP address is IP address 2 based on the target forwarding policy in a timely manner.
  • the control node when the IP address corresponding to the target domain name A is changed from IP address 1 to IP address 2, the control node needs to resend the IP address corresponding to the target forwarding policy to the first forwarding node, and the IP address is the IP address 2. Since it is usually difficult for the control node to resend the IP address corresponding to the target forwarding policy to the first forwarding node in time, the first forwarding node cannot update the IP address corresponding to the target forwarding policy to IP address 2 in time. Furthermore, the first forwarding node cannot process the packet whose destination IP address is IP address 2 based on the target forwarding policy in a timely manner.
  • the first forwarding node can obtain the corresponding relationship between the domain name and the IP address and the forwarding information corresponding to the target forwarding policy, and determine the IP address corresponding to the target domain name according to the corresponding relationship , and finally based on the target forwarding strategy, the target message is processed, which enriches the message forwarding mode of the communication system.
  • the message processing device needs to include hardware corresponding to each function and/or software modules.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software drives hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different ways to implement the described functions in combination with the embodiments for each specific application, but such implementation should not be regarded as exceeding the scope of the present application.
  • the functional modules of the corresponding message processing device can be divided according to the above method embodiments.
  • each functional module can be divided corresponding to each function, or two or more functions can be integrated into one processing module.
  • the above integrated modules may be implemented in the form of hardware.
  • FIG. 9 is a block diagram of a packet processing apparatus provided by an embodiment of the present application.
  • the packet processing apparatus may be, for example, the first forwarding node in the foregoing embodiments.
  • the packet processing apparatus includes: a first obtaining module 901 , a second obtaining module 902 , a determining module 903 and a processing module 904 .
  • the first obtaining module 901 is used to obtain the first corresponding relationship between the domain name and the IP address; the operations performed by the first obtaining module 901 can refer to the content related to the first forwarding node in S101 above.
  • the second obtaining module 902 is used to obtain forwarding information corresponding to the target forwarding strategy, and the forwarding information includes: the target domain name; the operations performed by the second obtaining module 902 can refer to the content related to the first forwarding node in S102 above.
  • the determining module 903 is configured to determine the IP address corresponding to the target domain name according to the first correspondence; the operation performed by the determining module 903 may refer to the content related to the first forwarding node in S103 above.
  • the processing module 904 is configured to process the target packet based on the target forwarding policy, and the IP address corresponding to the target domain name includes the destination IP address of the target packet; - Forwarding node-related content.
  • the packet processing apparatus further includes: a third acquiring module (not shown in FIG. 9 ) and an updating module (not shown in FIG. 9 ).
  • a third acquiring module configured to acquire a second correspondence, the second correspondence is a correspondence obtained by updating the first correspondence, and the second correspondence is different from the first correspondence; the third For the operations performed by the obtaining module, reference may be made to the content related to the first forwarding node in S201 above.
  • An update module configured to update the IP address corresponding to the target domain name according to the second correspondence; for operations performed by the update module, reference may be made to the content related to the first forwarding node in S202 above.
  • the first acquiring module 901 is configured to: forward a first DNS query request message and a corresponding first DNS query response message; determine the first DNS query response message according to the forwarded first DNS query response message.
  • a corresponding relationship the third obtaining module is configured to: forward a second DNS query request message and a corresponding second DNS query response message; according to the forwarded second DNS query response message, to the first The corresponding relationship is updated to obtain a second corresponding relationship; wherein, for a DNS query request message and a corresponding DNS query response message, the DNS query request message includes at least one domain name, and the DNS query response message includes all The at least one domain name, and the IP address corresponding to the at least one domain name.
  • the first obtaining module 901 is configured to: forward the first DNS query request message and the corresponding first DNS query response message; according to the forwarded first DNS query request message and the first A DNS query response message to determine the first correspondence; the third obtaining module is configured to: forward a second DNS query request message and a corresponding second DNS query response message; according to the forwarded second DNS The query request message and the second DNS query response message update the first corresponding relationship to obtain the second corresponding relationship; wherein, for a DNS query request message and a corresponding DNS query response message, the The DNS query request message includes at least one domain name, and the DNS query response message includes an IP address corresponding to the at least one domain name.
  • At least one source IP address of the source IP address of the first DNS query request message and the source IP address of the second DNS query request message is the same as the source IP address of the target message.
  • the first obtaining module 901 is configured to: receive the first correspondence sent by the second forwarding node; the third obtaining module is configured to: receive the second correspondence sent by the second forwarding node. Correspondence.
  • the forwarding information further includes: a target IP address, where the source IP address of the target packet is the target IP address.
  • the second acquiring module 902 is configured to: receive forwarding information corresponding to the target forwarding policy sent by the control node.
  • the target forwarding policy is used to: increase the transmission rate of the target packet; or, reduce the transmission rate of the target packet; or prohibit forwarding of the target packet.
  • the first forwarding node is an OLT or an ONT.
  • FIG. 10 is a block diagram of another packet processing apparatus provided by the embodiment of the present application.
  • the packet processing apparatus may be, for example, the control node in the foregoing embodiments.
  • the packet processing apparatus includes: a sending module 1001 .
  • the sending module 1001 is configured to send the forwarding information corresponding to the target forwarding policy to the first forwarding node, the forwarding information includes: the target domain name; the operations performed by the sending module 1001 can refer to the content related to the control node in S102 above.
  • the forwarding information may also include the target IP address.
  • Fig. 11 is a block diagram of yet another packet processing apparatus provided by an embodiment of the present application.
  • the packet processing apparatus may be, for example, the second forwarding node in the foregoing embodiments.
  • the packet processing apparatus includes: a first acquiring module 1101 and a first sending module 1102 .
  • the first obtaining module 1101 is configured to obtain the first corresponding relationship between the domain name and the IP address; the operations performed by the first obtaining module 1101 may refer to the content related to the second forwarding node in S1015 above.
  • the first sending module 1102 is configured to send the first correspondence to the first forwarding node; for operations performed by the first sending module 1102, reference may be made to the content related to the second forwarding node in S1015 above.
  • the packet processing apparatus further includes: a second acquiring module (not shown in FIG. 11 ) and a second sending module (not shown in FIG. 11 ).
  • the second obtaining module is configured to obtain the second corresponding relationship; for operations performed by the second obtaining module, reference may be made to content related to the second forwarding node in S201 above.
  • the second sending module is configured to send the second correspondence to the first forwarding node; for operations performed by the second sending module, reference may be made to content related to the second forwarding node in S201 above.
  • the first forwarding node after the first forwarding node obtains the first correspondence between the domain name and the IP address, it obtains the forwarding information corresponding to the target forwarding strategy, and the forwarding information includes the target domain name; Afterwards, the first forwarding node determines the IP address corresponding to the target domain name according to the first correspondence, and processes the target message based on the target forwarding strategy, which can solve the problem that the message forwarding mode of the current communication system is relatively single.
  • the message processing device may include an interface, a processing module, and a storage module.
  • the processing module may be used to control and manage actions of the message processing device, for example, may be used to support the message processing device to perform the above-mentioned actions performed by the first forwarding node.
  • the storage module can be used to support the message processing device to execute stored program codes and data.
  • the interface can be used for communication between the message processing device and other devices.
  • the processing module may be a processor or a controller. It may implement or execute the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor can also be a combination of computing functions, such as a combination of one or more microprocessors, a combination of digital signal processing (digital signal processing, DSP) and a microprocessor, and the like.
  • the storage module may be a memory.
  • the processing device involved in this embodiment may be a communication device having the structure shown in FIG. 2 .
  • the above-mentioned modules and the like included in the communication device may be computer programs stored in a memory, and invoked by a processor to implement corresponding execution functions of each module.
  • An embodiment of the present application provides a computer storage medium, and a computer program is stored in the storage medium; when the computer program is run on a computer, the computer executes any one of the message processing methods provided by the embodiment of the present application. A method performed by a message processing device.
  • the embodiment of the present application also provides a computer program product containing instructions.
  • the computer program product runs on the communication device, the communication device executes any message processing method provided in the embodiment of the present application. method of execution.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product comprising one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part.
  • the computer may be a general purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server or data
  • the center transmits to another website site, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, or a magnetic tape), an optical medium, or a semiconductor medium (for example, a solid-state hard disk).
  • first and second etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.
  • the term “at least one” means one or more, and “plurality” means two or more, unless otherwise clearly defined.
  • the term “and/or” is just an association relationship describing associated objects, which means that there may be three relationships, for example, A and/or B, which can mean: A exists alone, A and B exist simultaneously, and B exists alone. three conditions.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention concerne le domaine technique des communications, et concerne un procédé et un appareil de traitement de paquets, ainsi qu'un système de communication. Le procédé comprend les étapes suivantes : après avoir acquis une première correspondance entre un nom de domaine et une adresse IP, un premier nœud de transfert acquiert des informations de transfert correspondant à une stratégie de transfert cible, les informations de transfert comprenant un nom de domaine cible ; puis le premier nœud de transfert détermine, en fonction de la première correspondance, une adresse IP correspondant au nom de domaine cible, et traite un paquet cible sur la base de la stratégie de transfert cible, l'adresse IP correspondant au nom de domaine cible comprenant une adresse IP de destination du paquet cible. La présente invention enrichit le mode de transfert de paquets d'un système de communication, et la présente invention est appliquée au traitement de paquets.
PCT/CN2022/128659 2021-11-02 2022-10-31 Procédé et appareil de traitement de paquets, et système de communication WO2023078210A1 (fr)

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CN108650179A (zh) * 2018-04-17 2018-10-12 达闼科技（北京）有限公司 一种配置转发表的方法、转发装置及计算机可读存储介质
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