WO2020182150A1 - 报文处理方法、装置、设备及系统 - Google Patents
报文处理方法、装置、设备及系统 Download PDFInfo
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- WO2020182150A1 WO2020182150A1 PCT/CN2020/078799 CN2020078799W WO2020182150A1 WO 2020182150 A1 WO2020182150 A1 WO 2020182150A1 CN 2020078799 W CN2020078799 W CN 2020078799W WO 2020182150 A1 WO2020182150 A1 WO 2020182150A1
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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
- H04L45/302—Route determination based on requested QoS
- H04L45/306—Route determination based on the nature of the carried application
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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
- H04L45/34—Source routing
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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
- H04L45/74—Address processing for routing
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- 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
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2483—Traffic characterised by specific attributes, e.g. priority or QoS involving identification of individual flows
Definitions
- This application relates to the field of communications, in particular to a message processing method, device, equipment and system.
- Traffic scheduling refers to matching a suitable path for a message sent by a terminal device to forward the message.
- Appropriate means that the path meets the network performance requirements of the message, such as high bandwidth or low latency.
- traffic scheduling packets can be forwarded to a certain extent according to user needs, and a rational allocation of network resources can be realized.
- the quintuple information includes the source address, destination address, transport layer source port, transport layer destination port, and protocol type of the message, that is, the quintuple information is the same.
- the traffic requirements of the paths matched by packets are the same, and the management granularity of traffic scheduling is relatively coarse. Therefore, how to implement refined management of network resources in traffic scheduling and improve the rationality of network resource allocation is a technical problem that needs to be resolved at present.
- the embodiments of the present application provide a message processing method, device, device, and system, which implements refined management of network resources and improves the rationality of network resource allocation.
- this application provides a message processing method.
- the method can be applied to a network system, which includes a head node and a tail node.
- the head node refers to the first node on a certain path for forwarding messages from the application program, and the head node may be a device such as a router or a switch.
- the tail node refers to the last node on the path for forwarding messages from the application program, and the tail node can be a router, a switch, or other devices.
- This section of the path can be various types of tunnels including traffic engineer (TE) tunnels or segment routing (segment routing, SR) policies.
- TE traffic engineer
- SR Segment routing
- the message processing method may include the following steps: First, the head node obtains the message, and obtains the characteristic information of the application corresponding to the message.
- the characteristic information of the application includes at least one of the following information: identification information of the application and Network performance requirement information.
- the identification information is used to identify the application.
- the meaning of "identification” in "identifying application” can mean uniquely identifying an application, or it can mean identifying a type of application.
- the network performance requirement information of the application can be embodied in one of information such as bandwidth, latency, jitter, packet loss, reliability, and security. Kind or more.
- Second, the head node determines the path between the head node and the tail node according to the characteristic information of the application.
- the head node determines the path between the head node and the tail node according to the feature information of the application and the mapping relationship between the feature information of the application and the path between the head node and the tail node. . Finally, the head node forwards the message through the path between the head node and the tail node.
- this application is based on application-level traffic scheduling, matching the corresponding network performance paths for messages from different applications, compared with traditional solutions
- the flow scheduling scheme management granularity is finer, which realizes the fine management of network resources and improves the rationality of network resource allocation.
- the characteristic information of the application is carried in the IPv6 extension header or the destination address of the IPv6 message.
- IPv6 Internet Protocol version 6
- the format of the value in the TLV field can be flexibly set and can be directly read by network devices and head nodes Take, the network node on the path from the head node to the tail node can also read the information.
- the feature information of the application is encapsulated in the destination address of the IPv6 message, so that the head node can efficiently and quickly obtain the feature information of the application in the message.
- the IPv6 extension header of the IPv6 message includes at least one of the following: the type-length-value (TLV) field of the IPv6 extension header and the segment routing header (segment routing header, SRH) segment identification (segment identification, SID).
- TLV type-length-value
- SRH segment routing header
- SID segment identification
- the format of the value in the TLV field of the IPv6 extension header may be a segment identifier format.
- the head node can learn the format of the value in the IPv6 extension header TLV field by way of protocol notification, such as the segment identification format, and use the format according to the format. Read the characteristic information of the application.
- the IPv6 extension header TLV field includes at least one of the following: hop-by-hop option TLV field, destination option TLV field, and SRH TLV field.
- the characteristic information of the application is carried in the message.
- acquiring the characteristic information of the application program corresponding to the message includes: extracting the characteristic information of the application program corresponding to the message from the message.
- the network can directly perceive the feature information of the application, and the efficiency of obtaining the feature information is high.
- obtaining the characteristic information of the application program corresponding to the message includes: parsing the message to obtain the characteristic information of the application program corresponding to the message.
- the message does not carry the characteristic information of the application, and it needs to be obtained through message analysis. The advantage is that there is no need to modify the existing message.
- the message may carry business information corresponding to the application, and the business information is information of the business to which the application belongs.
- obtaining the characteristic information of the application program corresponding to the message includes: determining the characteristic information of the application program corresponding to the message according to the service information. Since the message will carry business information in some application scenarios, it is not necessary to modify the original message to determine the characteristic information of the application through the business information.
- the head node obtaining the network performance requirement information of the application program may include the following steps: the head node obtains the application program information according to the message. Identification information: The head node determines the network performance requirement information of the application according to the identification information.
- the implementation manner for the head node to obtain the identification information of the application program according to the message can refer to the foregoing implementation manner for obtaining the characteristic information of the application program, which will not be repeated here.
- the path of the matching head node and the tail node can be obtained, thereby realizing traffic scheduling based on the application program level and improving the rationality of network resource allocation.
- the characteristic information of the application program further includes a user identifier corresponding to the application program, and the user identifier is used to identify a user corresponding to the application program.
- the method further includes: the head node saves the mapping relationship between the characteristic information of the application program and the path between the head node and the tail node. In this way, the head node can determine the mapping relationship between the path between the head node and the tail node according to the feature information of the application corresponding to the message and the mapping relationship.
- mapping relationship between the feature information of the application and the path between the head node and the tail node includes one of the following:
- the head node determines the path between the head node and the tail node according to the feature information of the application and the mapping relationship between the feature information of the application and the path between the head node and the tail node. : The head node selects the path that matches the feature information of the application according to the feature information of the application and the mapping relationship between the feature information of the application and the path between the head node and the tail node; or the head node is not found In the case of a path that matches the characteristic information of the application, the head node creates a path to the tail node. In other words, regardless of whether the head node stores a mapping relationship that matches the feature information of the application, the path between the corresponding head node and the tail node can be determined.
- the path created by the head node to the tail node can include two possible implementations:
- the head node creates a path corresponding to the characteristic information of the application according to the acquired topology information of the network system. This method can be applied to the head node with path calculation function.
- the head node sends a path acquisition request to the controller, and the path acquisition request carries characteristic information of the application.
- the controller generates a path corresponding to the characteristic information of the application according to the path acquisition request.
- the head node receives the path generated by the controller according to the path acquisition request and corresponding to the characteristic information of the application. This implementation can be applied to head nodes that do not have a path calculation function.
- the corresponding relationship between the created path and the feature information of the application can be added to the mapping relationship between the feature information of the application and the path between the head node and the tail node In order to guide the packet forwarding directly according to the created mapping relationship next time, instead of recalculating the path.
- the method further includes: the head node analyzes the traffic of the application identified by the identification information of the application to obtain the analysis result. The head node adjusts the path between the head node and the tail node corresponding to the application message according to the analysis result.
- the interface between the head node and the next hop node in the path may correspond to one or more queues, and different queues may support different network performance.
- a possible implementation manner in which the head node forwards the message based on the path between the head node and the tail node includes: the head node according to the application
- the characteristic information of the application program determines the queue corresponding to the characteristic information of the application, adds the message to the queue, and forwards the message in the queue through the path between the head node and the tail node.
- the network performance of the queue corresponding to the characteristic information of the application program can be matched with the network performance of the corresponding path, so as to ensure the consistency of the network performance in the process of forwarding the message.
- the method further includes: the head node saves the mapping relationship between the feature information of the application and the queue; the head node determines the queue corresponding to the feature information of the application according to the feature information of the application, including: the head node according to the feature of the application The information and the mapping relationship between the characteristic information of the application and the queue determine the queue.
- the mapping relationship between the feature information of the application and the queue includes one of the following: the mapping relationship between the identification information of the application and the queue; the mapping relationship between the network performance requirement information of the application and the queue; Application identification information, application network performance requirement information, and the mapping relationship between queues; user identification, application identification information, and the mapping relationship between queues; user identification, application network performance requirement information, And the mapping relationship between the queues; user identification, application identification information, application network performance requirement information, and the mapping relationship between queues.
- the method further includes: the head node analyzes the traffic of the application identified by the identification information of the application to obtain the analysis result. The head node adjusts the queue that the application's message enters according to the analysis result.
- this application also provides a message processing method, which can be applied to a network system, and the network system includes a network device, a head node, and a tail node.
- the network device may be, for example, a gateway, a network card, an access device, a router, a switch, and so on.
- the message reaches the destination node through the path between the head node and the tail node.
- the message processing method includes the following steps: First, the network device obtains the message, and obtains the characteristic information of the application corresponding to the message.
- the characteristic information of the application includes at least one of the following information: the characteristic information of the application and the network Performance requirement information; feature information is used to identify applications.
- the network device sends a message carrying the characteristic information of the application to the head node.
- the characteristic information of the application is used by the head node to determine the path from the head node to the tail node to forward the message.
- the network device sends a message carrying the characteristic information of the application to the head node, so that the head node can determine the path between the corresponding head node and the tail node according to the characteristic information of the application, so as to realize traffic scheduling based on the application level.
- the characteristic information of the application is carried in the IPv6 extension header or destination address of the IPv6 message.
- the IPv6 extension header of the IPv6 packet includes at least one of the following: the type-length-value TLV field of the IPv6 extension header and/or the segment identifier SID of the segment routing header SRH.
- the IPv6 extension header TLV field includes at least one of the following: hop-by-hop option TLV field by hop, destination option TLV field and SRH TLV field can be selected for destination.
- the message obtained by the network device is an IPv6 message
- the TLV field of the IPv6 extension header of the IPv6 message carries the characteristic information of the application in a segment identifier format.
- obtaining the characteristic information of the application corresponding to the message by the network device includes: extracting the characteristic information of the application from the IPv6 extension header by the network device.
- the network device sending the message carrying the characteristic information of the application to the head node includes: the network device carries the characteristic information of the application in the destination address of the IPv6 message and sends it to the head node. Since the extraction of information from the destination address is faster than the extraction of information from the IPv6 extension header, the efficiency of extracting application feature information by the head node is improved.
- the network device can obtain the characteristic information of the application corresponding to the message in the following three possible implementation manners:
- obtaining the feature information of the application program corresponding to the message by the network device includes: the network device parses the message to obtain the feature information of the application program.
- the message does not carry the characteristic information of the application, and it needs to be obtained through message analysis. The advantage is that there is no need to modify the existing message.
- the network device acquiring the characteristic information of the application program corresponding to the message includes: the network device extracts the identification information of the application program corresponding to the message from the message; the network device determines the network performance requirement information of the application program according to the identification information. In this way, the network can directly perceive the feature information of the application, and the efficiency of obtaining the feature information is high.
- the network device acquiring characteristic information of the application program corresponding to the message includes: The network device determines the characteristic information corresponding to the application according to the business information of the application. Since the message will carry business information in some application scenarios, it is not necessary to modify the original message to determine the characteristic information of the application through the business information.
- the characteristic information of the application program also includes the user identification of the application program.
- this application also provides a message processing method applied to a network system.
- the network system includes a head node and a tail node.
- the head node receives a message from a terminal device, and the message passes between the head node and the tail node.
- the method for reaching the destination node between the path between the two includes: First, the terminal device obtains the characteristic information of the application program.
- the characteristic information of the application program includes at least one of the following information: identification information of the application program and network performance requirement information; the identification information is used to identify the application program.
- the terminal device generates a message corresponding to the application program. The message carries the characteristic information of the application program.
- the characteristic information of the application program is used by the head node to determine the path from the head node to the tail node to forward the message to the destination node.
- the terminal device sends a message corresponding to the application program to the destination node through the network system.
- the message generated by the terminal device carries the characteristic information of the application
- the characteristic information of the application is used by the head node to determine the path between the head node and the tail node to forward the message to the destination node
- the characteristic information of the application is carried in the IPv6 extension header or destination address of the IPv6 message.
- the IPv6 extension header of the IPv6 message includes at least one of the following: the type-length-value TLV field of the IPv6 extension header and/or the segment identifier SID of the segment routing header SRH.
- the IPv6 extension header TLV field includes at least one of the following: hop-by-hop option TLV field by hop, destination option TLV field and SRH TLV field can be selected for destination.
- the format of the value in the TLV field of the IPv6 extension header is a segment identifier format.
- a message processing device is applied to a network system.
- the network system includes a head node and a tail node, and the message reaches the destination node through a path between the head node and the tail node.
- the head node is a message processing device
- the message processing device includes: an acquiring unit for receiving a message and acquiring characteristic information of an application program corresponding to the message.
- the characteristic information of the application program includes at least one of the following information : Application identification information and network performance requirement information; identification information is used to identify the application; the path determination unit is used to determine the characteristic information of the application and the path between the characteristic information of the application and the head node and the tail node The mapping relationship between the head node and the tail node determines the path between the head node and the tail node; the forwarding unit is used to forward the message through the path between the head node and the tail node.
- the characteristic information of the application is carried in the IPv6 extension header or destination address of the IPv6 message.
- the IPv6 extension header of the IPv6 message includes at least one of the following: the type-length-value TLV field of the IPv6 extension header and the segment identifier SID of the segment routing header SRH.
- the IPv6 extension header TLV field includes at least one of the following: hop-by-hop option TLV field by hop, destination option TLV field and SRH TLV field can be selected for destination.
- the characteristic information of the application is carried in the message
- Obtaining the feature information of the application program corresponding to the message includes: extracting the feature information of the application program corresponding to the message from the message.
- obtaining the characteristic information of the application program corresponding to the message includes: analyzing the message to obtain the characteristic information of the application program corresponding to the message.
- the message carries business information corresponding to the application, and the business information is information of the business to which the application belongs;
- Obtaining the feature information of the application program corresponding to the message includes: determining the feature information of the application program corresponding to the message according to the business information.
- obtaining the network performance requirement information of the application includes: obtaining identification information of the application according to the message; determining the application according to the identification information Network performance requirements information.
- the characteristic information of the application program further includes a user identifier corresponding to the application program, and the user identifier is used to identify a user corresponding to the application program.
- the device further includes: a first saving unit, configured to save the mapping relationship between the characteristic information of the application program and the path between the head node and the tail node;
- the mapping relationship between the feature information of the application and the path between the head node and the tail node includes: the mapping relationship between the identification information of the application and the path between the head node and the tail node; the network performance requirement information of the application The mapping relationship with the path between the head node and the tail node; the identification information of the application, the network performance requirement information of the application, and the mapping relationship between the path between the head node and the tail node; user identification, application The identification information of the program, and the mapping relationship between the path between the head node and the tail node; the user identification, the network performance requirement information of the application, and the mapping relationship between the path between the head node and the tail node; or the user Identification, identification information of the application, network performance requirement information of the application, and the mapping relationship between the path between the head node and the tail node.
- the path determination unit is used to select the characteristic information of the application according to the characteristic information of the application and the mapping relationship between the characteristic information of the application and the path between the head node and the tail node Matching path; or in the case that no path matching the feature information of the application is found, the head node creates a path to the tail node.
- the forwarding unit is used to determine the queue corresponding to the feature information of the application according to the feature information of the application, add the message to the queue, and pass the message in the queue through the head node and the tail node The path between forwarding.
- the device further includes: a second saving unit for saving the mapping relationship between the feature information of the application and the queue; and the queue determining unit for storing the mapping relationship between the feature information of the application and the feature of the application The mapping relationship between the information and the queue determines the queue.
- the mapping relationship between the feature information of the application and the queue includes: the mapping relationship between the identification information of the application and the queue; the mapping relationship between the network performance requirement information and the queue; Identification information, application network performance requirement information, and the mapping relationship between queues; user identification, application identification information, and the mapping relationship between queues; user identification, application network performance requirement information, and queues The mapping relationship between the user identification, the identification information of the application, the network performance requirement information of the application, and the mapping relationship between the queues.
- this application also provides a message processing device, which is applied to a network system.
- the network system includes network equipment, a head node and a tail node.
- the message reaches the destination node through a path between the head node and the tail node.
- the device is a message processing device, and the message processing device includes: an acquisition unit for receiving a message and acquiring characteristic information of an application corresponding to the message, the characteristic information of the application including at least one of the following information: application Feature information and network performance requirement information; feature information is used to identify the application; the sending unit is used to send a message carrying the feature information of the application to the head node, and the feature information of the application is used by the head node to determine the head node to The path between tail nodes to forward packets.
- an acquisition unit for receiving a message and acquiring characteristic information of an application corresponding to the message, the characteristic information of the application including at least one of the following information: application Feature information and network performance requirement information; feature information is used to identify the application; the sending unit is used to send a message carrying the feature information of the application to the head node, and the feature information of the application is used by the head node to determine the head node to The path between tail nodes to forward packets.
- the characteristic information of the application is carried in the IPv6 extension header or destination address of the IPv6 message sent by the network device to the head node.
- the IPv6 extension header of the IPv6 packet includes at least one of the following: the type-length-value TLV field of the IPv6 extension header and/or the segment identifier SID of the segment routing header SRH.
- the IPv6 extension header TLV field includes at least one of the following: hop-by-hop option TLV field by hop, destination option TLV field and SRH TLV field can be selected for destination.
- the TLV field of the IPv6 extension header of the IPv6 packet obtained by the obtaining unit carries the characteristic information of the application in a segment identifier format
- Obtaining the characteristic information of the application corresponding to the message includes: extracting the characteristic information of the application from the IPv6 extension header; sending a message carrying the characteristic information of the application to the head node includes: carrying the characteristic information of the application in the IPv6 message The destination address of the document is sent to the head node.
- obtaining the characteristic information of the application corresponding to the message includes: analyzing the message to obtain the characteristic information of the application.
- the characteristic information of the application carried in the message sent by the sending unit to the head node includes the network performance requirement information of the application
- the message acquired by the acquiring unit includes the identification information of the application
- Obtaining the characteristic information of the application program corresponding to the message includes: extracting the identification information of the application program corresponding to the message from the message, and determining the network performance requirement information of the application program according to the identification information.
- the business information is information of the business to which the application belongs;
- Obtaining the characteristic information of the application program corresponding to the message includes: determining the characteristic information corresponding to the application program according to the service information of the application program.
- the characteristic information of the application program further includes a user identification corresponding to the application program.
- this application also provides a terminal device, which is applied to a network system.
- the network system includes a head node and a tail node.
- the head node receives a message from the terminal device, and the message passes between the head node and the tail node.
- the path reaches the destination node.
- the terminal device includes: an acquiring unit for acquiring characteristic information of the application; the characteristic information of the application includes at least one of the following information: identification information of the application and network performance requirement information; the identification information is used to identify the application;
- the message generating unit is used to generate the message corresponding to the application program.
- the message carries the characteristic information of the application program.
- the characteristic information of the application program is used by the head node to determine the path between the head node and the tail node to forward the message to the destination node ;
- the sending unit is used to send a message corresponding to the application to the destination node through the network system.
- the characteristic information of the application is carried in the IPv6 extension header or destination address of the IPv6 message.
- the IPv6 extension header of the IPv6 message includes at least one of the following: the type-length-value TLV field of the IPv6 extension header and/or the segment identifier SID of the segment routing header SRH.
- the IPv6 extension header TLV field includes at least one of the following: hop-by-hop option TLV field can be selected hop by hop, destination option TLV field can be selected for destination, and TLV field of SRH.
- the format of the value in the TLV field of the IPv6 extension header is a segment identifier format.
- this application also provides a head node, which is applied to a network system.
- the network system includes a head node and a tail node.
- the message reaches the destination node through a path between the head node and the tail node;
- the head node includes memory and processing.
- the memory is used to store instructions;
- the processor is used to execute instructions in the memory and execute the message processing method of the head node.
- this application also provides a network device.
- the network device includes a memory and a processor.
- the memory is configured to store instructions; the processor is configured to execute instructions in the memory and execute the message processing method of the network device.
- this application also provides a terminal device.
- the network device includes a memory and a processor.
- the memory is used to store instructions; the processor is used to execute instructions in the memory to execute the above terminal device.
- the present application also provides a network system.
- the network system includes a head node and a tail node.
- the message reaches the destination node through a path between the head node and the tail node; the head node is the aforementioned message processing as the head node.
- Device includes a head node and a tail node.
- this application also provides a network system.
- the network system includes a network device, a head node, and a tail node.
- the message reaches the destination node through a path between the head node and the tail node; the network device is the above-mentioned network device. ⁇ message processing device.
- the head node is used to receive the message sent by the network device, obtain the characteristic information of the application program corresponding to the message, and determine the path between the head node and the tail node according to the characteristic information of the application program, and pass between the head node and the tail node The path forwarding packets.
- this application also provides a network system.
- the network system includes a terminal device, a head node, and a tail node.
- the message reaches the destination node through the path between the head node and the tail node; the terminal device is the aforementioned terminal device. ⁇ message processing device;
- the head node is used to receive the message sent by the network device, obtain the characteristic information of the application program corresponding to the message, and determine the path between the head node and the tail node according to the characteristic information of the application program, and pass between the head node and the tail node The path forwarding packets.
- the present application also provides a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the above method.
- this application also provides a chip.
- the chip is set in the head node and applied to a network system.
- the network system includes a head node and a tail node.
- the message reaches the destination node through a path between the head node and the tail node.
- the chip includes a processor and an interface circuit; the interface circuit is used to receive code instructions and transmit them to the processor; the processor is used to run code instructions to execute the above-mentioned head node method.
- this application also provides a chip.
- the chip is set in a network device and applied to a network system.
- the network system includes a network device, a head node, and a tail node.
- the message passes through the path between the head node and the tail node.
- the chip includes a processor and an interface circuit; the interface circuit is used to receive code instructions and transmit them to the processor; the processor is used to run the code instructions to execute the above-mentioned network device method.
- this application also provides a chip.
- the chip is set in a terminal device and applied to a network system.
- the network system includes a head node and a tail node.
- the head node receives a message from the terminal device, and the message passes through the head node.
- the path between the node and the tail node reaches the destination node.
- the chip includes a processor and an interface circuit; the interface circuit is used to receive and transmit code instructions to the processor; the processor is used to run the code instructions to execute the above-mentioned terminal device method.
- Figure 1 is a structural block diagram of a network system provided by an embodiment of the application.
- FIG. 2 is a schematic diagram of a message processing method provided by an embodiment of the application based on the network system shown in FIG. 1;
- Figure 3 is a structural block diagram of another network system provided by an embodiment of the application.
- FIG. 4 is a schematic diagram of a message processing method provided based on the network system shown in FIG. 3 according to an embodiment of the application;
- FIG. 5 is a schematic diagram of another message processing method provided by an embodiment of the application.
- FIG. 6 is a structural block diagram of a message processing apparatus provided by an embodiment of the application.
- FIG. 7 is a structural block diagram of another message processing apparatus provided by an embodiment of this application.
- FIG. 8 is a structural block diagram of a message sending device provided by an embodiment of this application.
- FIG. 9 is a hardware architecture diagram of a head node provided by an embodiment of the application.
- FIG. 10 is a hardware architecture diagram of a network device provided by an embodiment of this application.
- FIG. 11 provides a hardware architecture diagram of a terminal device according to an embodiment of the application.
- the embodiments of the present application provide a message processing method, device, equipment, and system, which are used to implement refined management of network resources and improve the rationality of network resource allocation.
- the network system includes a terminal device 101, a head node 102 and a tail node 103.
- the terminal device 101 is connected to the head node 102, and the head node 102 and the tail node 103 are connected.
- the aforementioned "connection" may be a direct connection or an indirect connection.
- the terminal device 101 may be, for example, a mobile phone, a personal computer (PC), such as a tablet (personal computer, Tablet PC), a notebook computer, an ultra-mobile personal computer, a personal digital assistant, and so on.
- An application program (application program, APP) is installed on the terminal device 101.
- An application also known as application software (APP) is a computer program for completing one or more specific tasks, and usually needs to interact with the user.
- the application program may be, for example, an APP related to games, videos, emails, instant messaging, traffic information, weather forecasts, etc.
- the head node 102 refers to the first node on a path for forwarding messages from the application program.
- the head node 102 may be a device such as a router (router) and a switch (switch).
- the tail node 103 refers to the last node on a path for forwarding messages from the application program.
- the tail node 103 may be a router (router), a switch (switch) and other equipment.
- the message reaches the destination node through the path between the head node 102 and the tail node 103.
- the destination node and the tail node 103 may be the same node or different nodes.
- the path may include a tunnel or a segment routing (segment routing, SR) policy (policy).
- the tunnel refers to the path formed by the nodes and/or links passing through between the head node and the tail node.
- Tunnels include tunnels such as traffic engineer (TE) tunnels, where the TE tunnel may specifically be a segment routing (SR) network that implements traffic engineer (TE) tunnels.
- TE traffic engineer
- SR traffic engineer
- TE tunnel may also be a traffic engineer (traffic engineer, TE) tunnel implemented by other technologies, and the application does not limit the specific implementation of the tunnel.
- a tunnel usually includes a path.
- the SR policy defines the attributes of the head node, the tail node, and the path from the head node to the tail node.
- An SR policy can include one or more paths. If there are multiple paths, the multiple paths are paths supporting the same network performance, and the multiple paths can be used for load sharing.
- FIG. 2 is a schematic diagram of a message processing method provided based on the network system shown in FIG. 1 according to an embodiment of the application.
- the terminal device 101 sends a message to the head node 102.
- the message corresponding to the application program sent by the terminal device 101 to the head node 102 may be, for example, an Internet Protocol version 4 (Internet Protocol version 4, IPv4) message or Internet Protocol version 6 (Internet Protocol version). 6, IPv6) messages, etc. If it is an IPv6 message, specifically, it may be a segment routing (segment routing version 6, SRv6) message in the IPv6 message.
- the message corresponding to the application program sent by the terminal device 101 to the head node 102 may or may not carry the characteristic information of the application program.
- the terminal device 101 may encrypt the characteristic information of the application before carrying it.
- the head node 102 needs to decrypt after extracting the characteristic information of the application from the message, and then perform subsequent actions.
- the characteristic information of the application program includes at least one of the following information: identification information of the application program and network performance requirement information.
- identification information of the application program includes at least one of the following information: identification information of the application program and network performance requirement information.
- the direct inclusion means that the characteristic information of the application program contains at least the identification information itself of the application program and/or the network performance requirement information of the application program itself.
- Indirect inclusion means that the feature information of the application program may contain at least one index, and the index is used to reflect the identification information of the application program and/or the network performance requirement information of the application program. Because, for example, the identification information of the application program and/or the network performance requirement information of the application program usually has more bits, replacing the index with less bits can save the total length of the message, thereby saving network transmission resources.
- the index "001” can be used to reflect the identification information of a certain application and/or the network performance requirement information of the application, and the index “002" can be used to reflect the identification information of another application and/or the network performance of the application. demand information.
- the “include” in the “feature information includes” mentioned below all have this meaning, and the relevant parts will not be repeated.
- the identification information is used to identify the application.
- the meaning of "identification” in “identifying applications” can be a unique identification, that is, the identification information of each application is different.
- the identification information is a protocol feature word or an application feature code (attribute code) of the application program.
- the identification information of the application program is represented by APP ID.
- the meaning of "identification” in "identifying application” can also mean identifying a type of application, that is, the identification information can reflect the type of application.
- the identification information corresponding to the same type of application is the same. For example, applications that belong to the same game category correspond to the same identification information.
- the network performance requirement information of the application program represents the network performance requirement of one or a class of applications on the network system.
- the network performance requirement information of the application can be reflected in information such as bandwidth, latency, jitter, packet loss, reliability, and security.
- the performance form of the application's network performance requirement information can be the specific values of information such as bandwidth and delay (for example, what is the minimum bandwidth, what is the upper limit of the delay, etc.), or it can be a service level agreement representing information such as bandwidth and delay (service level agreement, SLA), can also be the path attribute of the path calculation algorithm.
- SLA stipulates multi-dimensional network performance requirements, such as a bandwidth of 150M, a maximum delay of 5ms, and a delay jitter of +/-2ms.
- the path attribute can be represented by color, for example, red indicates that the application's network performance requirement information is high bandwidth, and blue indicates that the application's network performance requirement information is low latency.
- SLA can also be expressed by color, for example, red SLA indicates high bandwidth and low latency, or blue SLA indicates low bandwidth. It should be noted that in the embodiments of the present application, "high” and “low” are relative terms, and how high is high and how low is low is determined by those skilled in the art.
- the feature information of the application can be carried in the message, and the message is an IPv6 message, then the feature information of the application can be carried in the IPv6 extension header (EH) of the IPv6 message or In the destination address.
- EH IPv6 extension header
- the IPv6 extension header of the IPv6 message includes at least one of the following: the type-length-value (TLV) field of the IPv6 extension header (EH) and the segment routing header (segment routing header, SRH) segment identification (segment identification, SID), etc.
- TLV type-length-value
- SRH segment routing header
- SID segment identification
- the type T in the TLV field defines the type of TLV.
- the type of TLV is a TLV carrying application feature information.
- the length L in the TLV field indicates the length of the value V in the TLV.
- the value V in the TLV field is characteristic information of the application.
- the length of the TLV value can be 128 bits.
- the format of the TLV value may be, for example, the SID format.
- the SID format includes a location (locator) field, a function (function) field, and an argument (argument) field.
- the parameter field is used to store characteristic information of the application. Among them, the location field occupies x bits, and the function field occupies y bits. Assuming that the total length of the TLV value is 128 bits, the field storing the characteristic information of the application program is 128-x-y bits.
- the TLV field may also include only the characteristic information of the application, but not other information.
- the IPv6 extension header TLV field includes at least one of the following: hop-by-hop option TLV field, destination option TLV field, and SRH TLV field.
- the feature information of the application can be carried in the Hop-by-Hop option TLV field and/or destination option TLV field of the IPv6 packet.
- the characteristic information of the application can not only be carried in the above-mentioned TLV field of the SRv6 message, but also in the SID of the SRv6 message SRH.
- a reading identifier may also be carried in the function (Function) field in the SID, and the reading identifier is used to indicate to read the characteristic information in the SID.
- the head node 102 receives a message from the terminal device 101, and obtains feature information of the application corresponding to the message.
- the head node 102 can obtain the characteristic information of the application corresponding to the message in three ways:
- the message from the terminal device 101 received by the head node 102 carries the characteristic information of the application, and the head node 102 can extract the characteristic information of the application from the message.
- the head node 102 can be extracted based on protocol notification methods such as Interior Gateway Protocol (IGP), Border Gateway Protocol (Border Gateway Protocol, BGP), or Path Computation Element Communication Protocol (Path Computation Element Communication Protocol, PCEP).
- protocol notification methods such as Interior Gateway Protocol (IGP), Border Gateway Protocol (Border Gateway Protocol, BGP), or Path Computation Element Communication Protocol (Path Computation Element Communication Protocol, PCEP).
- Characteristic information of the application For example, the feature information of the application program is stored in the TLV field, and the specific format is, for example, the SID format.
- the controller can notify the head node 102 based on the above protocol to analyze the format of the feature information of the application program as the SID format. After the notification, the head node 102 can read the characteristic information of the application stored in the TLV field based on the SID format.
- the message from the terminal device 101 received by the head node 102 does not carry the characteristic information of the application, and the head node 102 can parse the message to obtain the characteristic information of the application.
- the analysis means is, for example, deep packet inspection (DPI).
- the message received from the terminal device 101 by the head node 102 carries service information
- the service information is information about the service to which the application belongs, for example, about a customer virtual local area network (customer virtual lan, C-VLAN), Service virtual local area network (service virtual lan, S-VLAN) and other information.
- the message from the terminal device 101 received by the head node 102 is an IPv6 message
- any one of the above three methods can be used to obtain the characteristic information of the application
- the message received by the head node 102 is from the terminal
- the message of the device 101 is an IPv4 message, so the second method described above can be used to obtain the characteristic information of the application.
- the head node 102 may also first obtain the application according to the message The identification information of the program, and then according to the pre-stored mapping relationship between the identification information of the application and the network performance requirement information of the application, the network performance requirement information of the application corresponding to the identification information of the application is determined.
- the manner in which the head node 102 obtains the identification information of the application program according to the message can be obtained in the above three implementation manners.
- Table 1 is an example table of the mapping relationship between the identification information of the application and the network performance requirement information of the application.
- the head node 102 determines the path between the head node 102 and the tail node 103 according to the feature information of the application and the mapping relationship between the feature information of the application and the path between the head node 102 and the tail node 103. And forward the message based on the path between the head node 102 and the tail node 103.
- the path between the head node 102 and the tail node 103 includes a link between two adjacent nodes from the head node 102 to the tail node 103.
- the message starts from the head node, namely node A, passes through node B, node C and node D successively to the tail node, namely node E.
- the path between node A and node E includes the link between node A and node B, the link between node B and node C, the link between node C and node D, and the link between node D and node E.
- the path between the head node 102 and the tail node 103 can be represented by a segment identification list (SID list).
- the segment identifier list includes at least one segment identifier, and one segment identifier is used to identify the link between two adjacent nodes or the node itself.
- the SID list corresponding to the path between node A and node E includes SID1, SID2, SID3, and SID4.
- SID1 is used to identify the link between node A and node B
- SID2 is used to identify the link between node B and node C
- SID3 is used to identify the link between node C and node D
- SID4 is used for Identify the link between node D and node E.
- the SID list corresponding to the path between node A and node E includes SID1', SID2', SID3', SID4', and SID5'.
- SID1' is used to identify node A
- SID2' is used to identify node B
- SID3' is used to identify node C
- SID4' is used to identify node D
- SID5' is used to identify node E.
- a message starting from the head node 102 to the same destination node may correspond to multiple paths between the head node 102 and the tail node 103.
- Different paths support different network performances.
- the network performances supported by the paths include, for example, One or more of bandwidth, delay, security, jitter, etc. Therefore, the head node 102 may obtain and store the mapping relationship between the characteristic information of the application and the path in advance. After the head node 102 obtains the message, it determines the path between the head node 102 and the tail node 103 according to the characteristic information of the application corresponding to the message and the mapping relationship, so as to forward the application message through the path , To achieve flow scheduling at the application level, to achieve refined management of network resources.
- the head node 102 may pre-establish the mapping relationship between the feature information of the application 1 and the path 1, and the mapping relationship between the feature information of the application 2 and the path 2. After the head node 102 obtains the message 1 and the characteristic information of the application 1 corresponding to the message 1, it determines that the corresponding path is path 1 according to the characteristic information of the application 1, so the head node 102 can forward the message based on the path 1. 1.
- the head node 102 After the head node 102 obtains the message 2 and the characteristic information of the application 2 corresponding to the message 2, it determines that the corresponding path is path 2 according to the characteristic information of the application 2, so the head node 102 can forward the message based on the path 2. 2.
- the characteristic information of the application can include at least the identification information of the application and the network performance requirement information of the application. Therefore, the mapping relationship between the characteristic information of the application and the path between the head node and the tail node can be Including: the mapping relationship between the identification information of the application and the path between the head node and the tail node; the mapping relationship between the network performance requirement information of the application and the path between the head node and the tail node; or, the application The mapping relationship between the identification information of the application program, the network performance requirement information of the application and the path between the head node and the tail node.
- Table 2 is an example table of the mapping relationship between the identification information of the application and the path between the head node and the tail node.
- the head node 102 may establish and store the mapping relationship shown in Table 2, and then determine the corresponding path between the head node 102 and the tail node 103 according to the obtained ID of the application program corresponding to the message.
- Table 3 is an example table of the mapping relationship between the network performance requirement information of the application program and the path.
- the head node 102 may establish and store the mapping relationship shown in Table 3, and then determine the corresponding path between the head node 102 and the tail node 103 according to the obtained ID of the application program corresponding to the message.
- the head node 102 can establish and store the mapping relationship shown in Table 4, and then determine the corresponding head node 102 and tail node 103 according to the obtained application ID corresponding to the message and the network performance requirement information of the application. path.
- the network performance requirement information of the application program can have two meanings.
- the layer can be embodied as the network performance requirements of the application, and the other layer can be embodied as the network performance that the path between the finger node 102 and the tail node 103 can meet, and the network performance is the same as the network performance requirements of the application obtained from the message. It matches.
- the bandwidth performance that can be satisfied by the corresponding path between the head node 102 and the tail node 103 is bandwidth>15Mbit/s
- the application program stored in the head node 102 The mapping relationship between the network performance requirement information and the path between the head node 102 and the tail node 103 can be embodied as the mapping relationship between the bandwidth> 20 Mbit/s and the path, or as the bandwidth> 15 Mbit/s and the path. The mapping relationship between.
- the message obtains the network performance requirement information of the application, that is, the bandwidth>20Mbit/s, since the bandwidth>20Mbit/s is in the bandwidth>15Mbit/s range, it can be matched to the bandwidth>15Mbit/s The mapping relationship with the path, and then determine the path that matches the network performance requirement information of the application.
- the destination address of the message obtained by the head node 102 is the same as the address of the destination node corresponding to the path between the head node 102 and the tail node 103 determined by the head node 102.
- the path corresponding to the feature information can be one or multiple. If there are multiple paths, the multiple paths support the same network performance, that is, multiple paths are redundant paths, then You can select a path to forward packets, or perform load sharing.
- the head node 102 may obtain the matching information through lookup table 1 according to the identification information of the application obtained from the message. According to the network performance requirement information of the application program, the corresponding path between the head node 102 and the tail node 103 is determined according to Table 3, Table 4, or Table 5 below.
- the mapping relationship between the feature information of the application program and the path pre-stored by the head node 102 may be that after the path is acquired, the mapping relationship between the feature information of the application program and the path is generated according to the network performance supported by the path. It can be understood that if the path is established by the head node 102 itself according to the acquired network topology information, the head node 102 generates the mapping relationship between the characteristic information of the application and the path according to the network performance supported by the path. If the path information used to establish the path is obtained by the head node 102 from the controller, the controller may send the mapping relationship between the path and the feature information of the application to the head node 102, and the head node will save it.
- the head node 102 itself can generate the feature information and the feature information of the application according to the network performance supported by the path.
- the mapping relationship between paths For the process of establishing a path through communication between the head node 102 and the controller, reference may be made to the following detailed description.
- the mapping relationship between the feature information of the application program and the path stored in the head node 102 may be dynamically updated. For example, after the head node 102 obtains the message, if the corresponding mapping relationship is not found according to the characteristic information of the application corresponding to the message, that is, no matching path is found, in this case, the head node 102 can dynamically obtain the message The path to match the feature information of the application in the text, establish the mapping relationship between the path and the feature information of the application, and save the mapping relationship, such as adding to the existing mapping relationship for subsequent use when obtaining the message .
- the path matching the feature information of the application program dynamically acquired at the head node 102 may be generated by the head node 102 or a controller connected to the head node 102.
- the controller may be, for example, a software defined network (software defined network, SDN) controller or the like.
- the head node 102 can obtain the topology information of the network system, and generate a path corresponding to the characteristic information according to the topology information of the network system. If it is generated by a controller connected to the head node 102, the head node 102 may send a path acquisition request to the controller, and the path acquisition request carries characteristic information. Of course, the path acquisition request may also include the destination address of the message and other information used for path calculation. After the controller receives the path acquisition request, it can acquire the topology information of the network system, and other information used for path calculation such as the destination address of the message, generate a path corresponding to the characteristic information, and send the path to the head node 102. The head node 102 receives the path, and establishes and stores the mapping relationship between the characteristic information and the path.
- the characteristic information may also include a user identification corresponding to the application.
- the user identifier is used to identify a user corresponding to the application, for example, a user who uses the application.
- the user identification may include information such as the user name of the user.
- the message sent by the terminal device 101 to the head node 102 carries the user identification in the feature information
- the message is an IPv6 message
- the user identification is carried in the TLV field of the IPv6 extension header of the IPv6 message, which can be specifically Hop-by-Hop option TLV field or destination option TLV field, etc.
- the message is an SRv6 message, in addition to the above-mentioned Hop-by-Hop option TLV or destination option TLV, the user ID can also be carried in the TLV field of the SRv6 message SRH or the SID of the SRv6 message SRH .
- the head node 102 may pre-establish a mapping relationship between the user identification and at least one of the other two types of characteristic information and the path, and then obtain at least one of the other two types of characteristic information and the user identifier according to the message, and the Mapping relationship to get the corresponding path.
- the network performance requirement information of the corresponding application program may be determined based on the identification information and the user identifier.
- an index can be used to reflect the identification information of the application program and/or the network performance requirement information of the application program.
- the index can also be used to reflect user identification.
- the APP ID, application network performance requirement information, and user identification in Table 3 can be replaced by one or more indexes.
- mapping relationship between the feature information of the application and the path between the head node 102 and the tail node 103 includes one of the following mapping relationships:
- the identification information of the application the network performance requirement information of the application, and the mapping relationship between the paths between the head node 102 and the tail node 103;
- the user identification The user identification, the identification information of the application, the network performance requirement information of the application, and the mapping relationship between the path between the head node 102 and the tail node 103.
- the traditional message-based quintuple information (IP destination address, IP source address, transport layer source port, transport layer destination port, protocol type) matches the path that meets the traffic demand, that is, the packets with the same quintuple information
- the paths for text matching are the same, but there may be many packets with the same quintuple, and different packets may have different traffic requirements on the path. Therefore, the traditional scheme of traffic scheduling based on quintuple information has relatively coarse management granularity, and the rationality of network resource allocation is poor.
- this embodiment of the present application is based on application-level traffic scheduling, matching the corresponding network performance paths for messages from different applications, compared with The scheme management granularity of traditional scheme traffic scheduling is relatively fine, which realizes the fine management of network resources and improves the rationality of network resource allocation. For example, when application A requires high bandwidth and low latency network performance to meet the application's large traffic demand, a path supporting the network performance can be generated for the application A and forwarded through the network performance path Message from this application A. When the traffic of application B is small, the bandwidth may be lower, and then a path with lower bandwidth can be generated for it to forward packets from the application B. In this way, a more rational distribution of network resources can be achieved.
- the network system includes a terminal device, a head node, and a tail node.
- the network system may also include a network device.
- the network system includes a terminal device 301, a network device 302, a head node 303, and a tail node 304.
- the terminal device 301 is connected to the network device 302
- the network device 302 is connected to the head node 303
- the head node 303 is connected to the tail node 304.
- the network device 302 may be, for example, a gateway, a network card, an access device, a router, a switch, and so on.
- access equipment may include digital subscriber line access multiplexer (DSLAM), optical network terminal (optical network terminal, ONT), optical line terminal (optical line terminal, OLT), customer terminal equipment (customer premise equipment, CPE) etc.
- DSLAM digital subscriber line access multiplexer
- ONT optical network terminal
- OLT optical line terminal
- CPE customer terminal equipment
- the terminal device 301 the head node 303, and the tail node 304, please refer to the above description of the terminal device 101, the head node 102 and the tail node 103 respectively, which will not be repeated here.
- FIG. 4 is a schematic diagram of a message processing method provided based on the network system shown in FIG. 3.
- the terminal device 301 sends a message to the network device 302.
- the content sent by the terminal device in S401 and S201 is the same, both are messages, but the object of the message sent by the terminal device is different, the object of the message sent by the terminal device 101 in S201 is the head node 102, and the terminal device 301 in S401 sends the message
- the object is the network device 302. Therefore, S401 will not be repeated in this embodiment of the application.
- For related content of the message please refer to S201.
- the network device 302 receives the message from the terminal device 301, and obtains the characteristic information of the application corresponding to the message according to the message.
- S402 is basically the same as S202, except that the execution subject of the steps is different.
- the execution subject of the step in S202 is the head node 102
- the execution subject of the step in S402 is the network device 302.
- the message received by the head node 102 in S202 comes from the terminal device 101
- the message received by the network device 302 in S402 comes from the terminal device 301. Therefore, S402 is not repeated in this embodiment of the application, and for related content, please refer to S202.
- the network device 302 can obtain the characteristic information of the application in the latter two ways. If the message received by the network device 302 from the terminal device 301 is an IPv4 message, the network device 302 can obtain the characteristic information of the application program through the second method described above, that is, the method of parsing the message.
- the network device 302 sends a message carrying the characteristic information of the application to the head node 303.
- the characteristic information of the application can be The IPv6 extension header carried in the IPv6 packet.
- the network device 302 may extract the characteristic information of the application carried in the IPv6 extension header TLV field in the segment identifier format. It is placed in the destination address of the IPv6 message, so that when the head node 303 extracts characteristic information from the IPv6 message, it can extract it from the destination address.
- the speed of extracting information from the destination address is faster than extracting information from the IPv6 extension header TLV field, so the efficiency of the head node 303 for extracting application feature information is improved.
- the network device 302 can extract the feature information of the application carried in the SID field in the segment identification format. Put it in the destination address of the SRv6 message.
- the network device 302 can parse the IPv4 packet to obtain the characteristic information of the application, and then encapsulate the IPv4 packet into an SRv6 packet, and
- the characteristic information of the application is carried in the TLV field of the SRv6 message or the segment identifier SID of the SRH.
- the TLV field of the SRv6 message may include a hop-by-hop option TLV field, a destination option TLV field, and an SRH TLV field.
- the head node 303 receives a message from the network device 302, and extracts characteristic information of the application program from the message.
- the head node 303 may be based on the interior gateway protocol (Interior Gateway Protocol, IGP), Border Gateway Protocol (Border Gateway Protocol, BGP), or Path Computation Element Communication Protocol (Path Computation Element Communication Protocol, PCEP) and other protocol notification methods.
- the feature information of the application is extracted from the message.
- the content of the protocol notification may be the storage format of the feature information of the application in the message, for example, the SID format.
- the head node 303 can extract the characteristic information of the application according to the format.
- the head node 303 determines the path between the head node 303 and the tail node 304 according to the feature information and the mapping relationship between the feature information of the application and the path between the head node 303 and the tail node 304, and based on the head node The path between 303 and tail node 304 forwards packets.
- S405 is basically the same as S203, and will not be repeated here. For related content, please see above.
- the difference between the message processing method shown in FIG. 4 and the message processing method shown in FIG. 2 is that a network device 302 is added to the network system, and the network device 302 shares part of the functions of the head node 303, as shown in FIG.
- the network device 302 obtains the characteristic information of the application corresponding to the message according to the message, and this step is performed by the head node 102 in the message processing method shown in FIG. 2, so correspondingly, The network device 302 needs to send the characteristic information of the application to the head node 303.
- the head node 303 in this embodiment may be the same as the head node 102 in FIG. 2.
- the head node 102 may first obtain the identification information of the application according to the message, and then determine the application corresponding to the identification information of the application according to the mapping relationship between the pre-stored identification information and the network performance requirement information of the application Information about the network performance requirements of the program.
- the head node 303 may obtain the matched one by looking up Table 1 according to the identification information of the application obtained from the message.
- the network performance requirement information of the application program is then determined according to the foregoing Table 3, Table 4, or Table 5 to determine the corresponding path between the head node 303 and the tail node 304.
- S402, S403 and S404 can be replaced with S402', S403' and S404' respectively.
- the network device 302 receives the message from the terminal device 301, and obtains the identification information of the application program according to the message.
- the manner in which the network device 302 obtains the identification information of the application program according to the message is similar to the three manners in which the head node 102 obtains the identification information of the application program above, and will not be repeated here.
- the network device 302 sends a message carrying the identification information of the application to the head node 303.
- the head node 303 receives the message from the network device 302, and according to the identification information of the application in the message, and the mapping relationship between the identification information of the application stored by the head node 303 and the network performance requirement information of the application , Determine the network performance requirements corresponding to the identification information.
- the network device 302 may not process the message from the terminal device 301, but directly forward it to the head node 303.
- the steps performed by the head node 303 are basically the same as the steps performed by the head node 102 in the message processing method shown in FIG.
- the feature information may also include user identification.
- the mapping relationship between the feature information of the application and the queue may also be established in the head node 102 or the head node 303 in advance.
- the path determined by the head node for forwarding messages includes the path between the head node and the next hop node, and the interface connecting the head node and the next hop node can correspond to one or more queues.
- Different queues support Network performance can be different.
- the network performance supported by the queue may include assured forwarding (AF), fast forwarding (expedited forwarding, EF), or best effort (BE).
- AF queue can ensure that when the service traffic sent by the network does not exceed the minimum guaranteed bandwidth, the probability of packet loss in the queue is low.
- EF queues are suitable for forwarding packets that need to ensure low latency and do not occupy much bandwidth, such as voice packets.
- the BE queue is suitable for forwarding packets that are not applicable to the AF queue and EF queue.
- the network performance supported by the queue corresponding to the same feature information can be matched with the network performance supported by the corresponding path, ensuring that the corresponding network performance can be enjoyed when the message is sent from the head node, instead of just enjoying it through the path. You can enjoy it further through the queue. Therefore, the head node can determine the corresponding queue according to the characteristic information obtained by the message and the mapping relationship between the characteristic information and the queue, add the message to the queue, and forward the message based on the path corresponding to the characteristic information .
- the interface connecting the head node A to the node B may correspond to two queues, and the two queues are queue 1 and queue 2, respectively.
- queue 1 is the AF queue
- queue 2 is the EF queue.
- the network performance corresponding to the path between the head node A and node B is high bandwidth, for example, the bandwidth is >20 Mbit/s, so node A can add the message to queue 1.
- mapping relationship between the feature information of the application and the queue may include one of the following:
- the identification information of the application the network performance requirement information of the application, and the mapping relationship between the queues;
- Table 6 is an example table of the mapping relationship between user identification, application identification information, application network performance requirement information and queues.
- the head node 102 or the head node 303 may analyze the traffic of the application identified by the identification information of the application to obtain the analysis result, and then adjust the queue that the application message enters according to the analysis result.
- flow characteristic information such as flow size, packet length information, protocol information, Port traffic information, Transmission Control Protocol (Transmission Control Protocol, TCP) flag information, etc.
- TCP Transmission Control Protocol
- the head node analyzes the packet flow of application A and finds that the flow of application A decreases. Assuming that the queue corresponding to application A is an AF queue, then the head node can adjust the queue of application A to a BE queue to achieve a rational allocation of transmission resources of the head node.
- the head node can also adjust the path between the head node and the tail node corresponding to the message of the application program according to the analysis result of the traffic of the application program.
- the path between the head node and the tail node corresponding to the application program can be adjusted to a path with a bandwidth that satisfies the traffic.
- the traffic of the original application program is 8 Mbit/s
- the bandwidth of the path between the head node and the tail node determined according to the characteristic information of the application program is 10 Mbit/s.
- the path between the head node and the tail node can be re-determined to meet the bandwidth of 20Mbit/s.
- the technical means of adjusting the path between the head node and the tail node corresponding to the message of the application program according to the analysis result of the application flow by the head node can be applied to the implementation shown in Figure 2 and Figure 4 above.
- the head node 102 and the head node 303 described above can adjust the path between the head node and the tail node corresponding to the message of the application program according to the analysis result of the traffic of the application program.
- the method can be applied to a network system.
- the network system can include a head node and a tail node.
- the head node receives a message from a terminal device.
- the message reaches the destination node through the path between the head node and the tail node.
- the head node may be the head node 102 or the head node 303
- the tail node may be the tail node 103 or the tail node 304.
- the message processing method may include the following steps:
- S501 The terminal device obtains feature information of the application program.
- the characteristic information of the application program includes at least one of the following information: identification information of the application program and network performance requirement information.
- identification information is used to identify the application.
- the relevant introduction about the identification information of the application and the network performance requirement information of the application please refer to the above, and will not be repeated here.
- the identification information of the application can be stored in the terminal device. Therefore, if the characteristic information of the application includes the identification information of the application, the terminal device can The storage address of the identification information of the program obtains the identification information of the application. The terminal device can obtain the network performance requirement information of the application program through configuration.
- a user ID is usually required to log in, and the user ID can be stored in the terminal device. If the feature information of the application program also includes the user identification, the terminal device can obtain the user identification according to the storage location of the user identification in the terminal device.
- the terminal device generates a message corresponding to the application program, and the message carries characteristic information of the application program.
- the characteristic information of the application is used by the head node to determine the path from the head node to the tail node to forward the message to the destination node.
- the characteristic information of the application can be carried in the IPv6 extension header or the destination address of the IPv6 message.
- the IPv6 extension header of the IPv6 message includes at least one of the following: the TLV field of the IPv6 extension header and the segment identification SID of the segment routing header SRH.
- the IPv6 extension header TLV field includes at least one of the following: hop-by-hop option TLV field by hop, destination option TLV field and SRH TLV field. For the related introduction of these fields, please refer to the above, so I won't repeat them here.
- the format of the value in the TLV field of the IPv6 extension header can be a segment identifier format. For specific reasons, please refer to the above, and will not be repeated here.
- S503 The terminal device sends a message corresponding to the application program to the head node.
- the terminal device can directly send the message corresponding to the application program to the head node of the network system, or it can first send it to the network device, and then the network device transmits to the head node, so that the head node corresponds to the application program.
- the message is transmitted to the destination node.
- the head node may be the head node 102 or the head node 303, and the network device may be the network device 302.
- the head node receives the message from the terminal device and obtains the characteristic information of the application corresponding to the message, and then according to the characteristic information of the application, the characteristic information of the application and the path between the head node and the tail node The mapping relationship between the head node and the tail node is determined, and the message is forwarded based on the path between the head node and the tail node.
- the head node when the characteristic information of the application is the network performance requirement information of the application, the head node can first obtain the identification information of the application according to the message, and then According to the mapping relationship between the pre-stored identification information and the network performance requirement information of the application, the network performance requirement information of the application corresponding to the identification information of the application is determined.
- the head node may obtain the matching network performance of the application program by looking up Table 1 according to the identification information of the application program obtained from the message Demand information, and then determine the path between the corresponding head node and tail node according to Table 3, Table 4 or Table 5 above.
- the application-level traffic scheduling solution management granularity of the embodiment of the present application is finer, which improves the rationality of network resource allocation.
- an embodiment of the present application also provides a message processing device 500, which may be applied to a head node of a network system, and the head node may implement the head node 102 shown in FIG. 2 or the head node shown in FIG. 4 The function of the head node 303.
- the network system also includes a tail node, and the message reaches the destination node through the path between the head node and the tail node.
- the message processing device includes: an acquiring unit 501, a path determining unit 502, and a forwarding unit 503.
- the acquiring unit 501 is configured to execute S202 in the embodiment shown in FIG. 2 or S404 in the embodiment shown in FIG. 4.
- the path determining unit 502 and the forwarding unit 503 are configured to execute S203 in the embodiment shown in FIG. 2 or S405 in the embodiment shown in FIG. 4. specific,
- the obtaining unit 501 is configured to receive a message and obtain characteristic information of an application program corresponding to the message.
- the characteristic information of the application program includes at least one of the following information: identification information of the application program and network performance requirement information of the application program;
- the identification information is used to identify the application, and the network performance requirement information of the application indicates the network performance requirement of the application;
- the path determining unit 502 is configured to determine the path between the head node and the tail node according to the feature information of the application and the mapping relationship between the feature information of the application and the path between the head node and the tail node;
- the forwarding unit 503 is configured to forward packets based on the path between the head node and the tail node.
- the message processing apparatus can implement the functions of the head node 102 or the head node 303 in the foregoing method embodiment. For specific execution steps, please refer to the foregoing method embodiment, which will not be repeated here.
- an embodiment of the present application also provides a message processing apparatus 600 that can be applied to a network device of a network system, and the network device can implement the function of the network device 302 shown in FIG. 4.
- the network system also includes a head node and a tail node, and the message reaches the destination node through the path between the head node and the tail node.
- the message processing device includes: an acquiring unit 601 and a sending unit 602. Wherein, the acquiring unit 601 is configured to execute S402 in the embodiment shown in FIG. 4, and the sending unit 602 is configured to execute S403 in the embodiment shown in FIG. 4. specific,
- the obtaining unit 601 is configured to receive a message and obtain feature information of an application program corresponding to the message.
- the feature information of the application program includes at least one of the following information: identification information of the application program and network performance requirement information of the application program;
- the characteristic information is used to identify the application, and the network performance requirement information of the application indicates the network performance requirement of the application;
- the sending unit 602 is configured to send a message carrying feature information of the application to the head node.
- the message processing apparatus can implement the functions of the network device 302 in the foregoing method embodiment. For specific execution steps, please refer to the foregoing method embodiment, and details are not described here.
- an embodiment of the present application also provides a terminal device 700 that can implement the function of the terminal device 101 shown in FIG. 2 or the function of the terminal device 301 shown in FIG. 4.
- the terminal device 700 includes: an acquiring unit 701, a message generating unit 702, and a sending unit 703. Among them, the acquiring unit 701 is used to perform S501 in the embodiment shown in FIG. 5, the message generating unit 702 is used to perform S502 in the embodiment shown in FIG. 5, and the sending unit 703 is used to perform S501 in the embodiment shown in FIG. S503.
- the obtaining unit 701 is configured to obtain characteristic information of the application;
- the characteristic information of the application includes at least one of the following information: identification information of the application and network performance requirement information; the identification information is used to identify the application;
- the message generating unit 702 is used to generate a message corresponding to the application program, the message carries the characteristic information of the application program, and the characteristic information of the application program is used by the head node to determine the path between the head node and the tail node to forward the message to Destination node
- the sending unit 703 is configured to send a message corresponding to the application program to the destination node through the network system.
- the terminal device 700 can implement the functions of the terminal device 101 or the terminal device 301 in the foregoing method embodiment. For specific execution steps, please refer to the foregoing method embodiment, which will not be repeated here.
- an embodiment of the present application provides a head node 800, which can implement the functions of the head node in the embodiments shown in FIGS. 1-5.
- the head node includes a memory 801, a processor 802 and a communication interface 803,
- the memory 801 is used to store instructions; in the case of implementing the embodiment shown in FIG. 6 and the units described in the embodiment of FIG. 6 are realized by software, the acquiring unit 501 and path determination in FIG. 6 are executed The software or program codes required for the functions of the unit 502 and the forwarding unit 503 are stored in the memory 801.
- the processor 802 is configured to execute instructions in the memory 801, and execute the foregoing message processing method applied to the head node 102 in the embodiment shown in FIG. 2 or the head node 303 in the embodiment shown in FIG. 4;
- the communication interface 803 is used for communication.
- the memory 801, the processor 802 and the communication interface 803 are connected to each other through a bus 804; the bus 804 may be a peripheral component interconnect standard (PCI) bus or an extended industry standard architecture (EISA) bus Wait.
- PCI peripheral component interconnect standard
- EISA extended industry standard architecture
- the bus can be divided into address bus, data bus, control bus, etc. For ease of presentation, only one thick line is used in FIG. 8 to represent, but it does not mean that there is only one bus or one type of bus.
- the processor 801 is configured to obtain a message, and obtain characteristic information of an application program corresponding to the message, according to the characteristic information of the application program, and the relationship between the characteristic information of the application program and the head node and the tail node.
- the mapping relationship between the paths determines the path between the head node and the tail node; among them, the characteristic information of the application includes at least one of the following information: the identification information of the application and the network performance requirement information of the application; the identification information is used For identifying applications.
- the detailed processing process of the processor 801 please refer to the detailed description of S202 and S203 in the embodiment shown in FIG. 2 and the detailed description of S404 and S405 in the embodiment shown in FIG. 4, which will not be repeated here.
- the communication interface 803 is used to forward the message through the path between the head node and the tail node.
- S203 in the embodiment shown in FIG. 2
- S405 in the embodiment shown in FIG. 4, which will not be repeated here.
- an embodiment of the present application provides a network device 900 that can implement the functions of the network device in the embodiment shown in FIGS. 4-5.
- the network device 900 includes a memory 901, a processor 902, and a communication interface 903. ,
- the memory 901 is used to store instructions; in the case of implementing the embodiment shown in FIG. 7 and the units described in the embodiment of FIG. 7 are realized by software, the acquiring unit 601 and the sending unit in FIG. 7 are executed The software or program code required for the function of 602 is stored in the memory 901.
- the processor 902 is configured to execute instructions in the memory 901 and execute the foregoing message processing method applied to the network device 302 in the embodiment shown in FIG. 4;
- the communication interface 903 is used to communicate with the terminal device and the head node.
- the memory 901, the processor 902, and the communication interface 903 are connected to each other through a bus 904; the bus 904 may be a peripheral component interconnect standard (PCI) bus or an extended industry standard architecture (EISA) bus Wait.
- PCI peripheral component interconnect standard
- EISA extended industry standard architecture
- the bus can be divided into address bus, data bus, control bus, etc. For ease of representation, only one thick line is used in FIG. 9, but it does not mean that there is only one bus or one type of bus.
- the processor 901 is configured to obtain a message and obtain characteristic information of an application program corresponding to the message.
- the characteristic information of the application program includes at least one of the following information: characteristic information of the application program and network performance requirements Information; feature information is used to identify the application.
- feature information is used to identify the application.
- the communication interface 903 is used to send a message carrying characteristic information of the application to the head node, and the characteristic information of the application is used by the head node to determine a path from the head node to the tail node to forward the message.
- the characteristic information of the application is used by the head node to determine a path from the head node to the tail node to forward the message.
- an embodiment of the present application provides a terminal device 1000.
- the network device can implement the functions of the terminal device 101 in the embodiment shown in FIG. 2 or the terminal device 301 in the embodiment shown in FIG. 4.
- the terminal device 1000 includes Memory 1001, processor 1002 and communication interface 1003,
- the memory 1001 is used to store instructions; in the case of implementing the embodiment shown in FIG. 8 and the units described in the embodiment of FIG. 8 are realized by software, the acquiring unit 701 and the message in FIG. 8 are executed The software or program codes required for the functions of the generating unit 702 and the sending unit 703 are stored in the memory 1001.
- the processor 1002 is configured to execute instructions in the memory 1001, and execute the foregoing message processing method applied to the network device 302 in the embodiment shown in FIG. 4;
- the communication interface 1003 is used to communicate with a network device or a head node.
- the memory 1001, the processor 1002, and the communication interface 1003 are connected to each other through a bus 1004; the bus 1004 may be a peripheral component interconnect standard (PCI) bus or an extended industry standard architecture (EISA) bus Wait.
- PCI peripheral component interconnect standard
- EISA extended industry standard architecture
- the bus can be divided into address bus, data bus, control bus, etc. For ease of representation, only one thick line is used to represent in FIG. 10, but it does not mean that there is only one bus or one type of bus.
- the processor 1002 is configured to obtain feature information of the application; the feature information of the application includes at least one of the following information: identification information of the application and network performance requirement information; the identification information is used to identify the application.
- a message corresponding to the application program is generated, and the message carries the characteristic information of the application program.
- the characteristic information of the application program is used by the head node to determine the path between the head node and the tail node to forward the message to the destination node.
- the communication interface 1003 is used for the terminal device to send a message corresponding to the application program to the destination node through the network system.
- the communication interface 1003 is used for the terminal device to send a message corresponding to the application program to the destination node through the network system.
- S503 for the specific process, please refer to the detailed description of S503 in the embodiment shown in FIG. 5, which will not be repeated here.
- the above-mentioned memory 801, memory 901, and memory 1001 may be random-access memory (RAM), flash memory (flash), read-only memory (ROM), erasable programmable read-only memory (erasable). programmable read only memory (EPROM), electrically erasable programmable read only memory (EEPROM), register (register), hard disk, mobile hard disk, CD-ROM or any other known to those skilled in the art Form of storage media.
- processor 802, processor 902, and processor 1002 may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (digital signal processor, DSP), and an application-specific integrated circuit (application-specific integrated circuit). circuit, ASIC), field programmable gate array (FPGA) or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute various exemplary logical blocks, modules and circuits described in conjunction with the disclosure of this application.
- the processor may also be a combination of computing functions, for example, a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and so on.
- the communication interface 803, the communication interface 903, and the communication interface 1003 may be, for example, an interface card, etc., and may be an Ethernet (Ethernet) interface or an asynchronous transfer mode (Asynchronous Transfer Mode, ATM) interface.
- Ethernet Ethernet
- asynchronous transfer mode Asynchronous Transfer Mode, ATM
- the embodiment of the present application also provides a chip.
- the chip is set in a head node and is applied to a network system.
- the network system includes a head node and a tail node.
- the message reaches the destination node through a path between the head node and the tail node.
- the chip includes a processor and an interface circuit.
- the interface circuit is used to receive code instructions and transmit them to the processor.
- the processor is configured to run code instructions to execute the foregoing message processing method applied to the head node 102 in the embodiment shown in FIG. 2 or the head node 303 in the embodiment shown in FIG. 4.
- the processor is used to obtain the message and the characteristic information of the application corresponding to the message, according to the characteristic information of the application, and the characteristic information of the application and the path between the head node and the tail node.
- the detailed processing process of the processor please refer to the detailed description of S202 and S203 in the embodiment shown in FIG. 2 and the detailed description of S404 and S405 in the embodiment shown in FIG. 4, which will not be repeated here.
- the embodiment of the present application also provides a chip.
- the chip is set in a network device and applied to a network system.
- the network system includes a network device, a head node and a tail node, and the message reaches the destination node through a path between the head node and the tail node.
- the chip includes a processor and interface circuit.
- the interface circuit is used to receive code instructions and transmit them to the processor
- the processor is used to run code instructions to execute the foregoing message processing method applied to the network device 302 in the embodiment shown in FIG. 4.
- the processor is used to obtain a message and obtain feature information of an application program corresponding to the message.
- the feature information of the application program includes at least one of the following information: feature information of the application program and network performance requirement information;
- the characteristic information is used to identify the application.
- the embodiment of the present application also provides a chip.
- the chip is set in a terminal device and applied to a network system.
- the network system includes a head node and a tail node.
- the head node receives a message from the terminal device, and the message passes through the head node and the tail node.
- the path between nodes reaches the destination node, and the chip includes a processor and an interface circuit;
- the interface circuit is used to receive code instructions and transmit them to the processor
- the processor is used to run code instructions to execute the foregoing message processing method applied to the network device 302 in the embodiment shown in FIG. 4.
- the processor is used to obtain characteristic information of the application; the characteristic information of the application includes at least one of the following information: identification information of the application and network performance requirement information; the identification information is used to identify the application.
- a message corresponding to the application program is generated, and the message carries the characteristic information of the application program.
- the characteristic information of the application program is used by the head node to determine the path between the head node and the tail node to forward the message to the destination node.
- the embodiment of the present application also provides a network system.
- the network system includes a head node and a tail node, and the message reaches the destination node through a path between the head node and the tail node.
- the head node in the network system can execute the processing steps of the head node 102 in the embodiment of FIG. 2, or correspondingly, the head node in the network system is the message processing apparatus 500 of the embodiment shown in FIG. 6.
- the embodiment of the present application also provides a network system.
- the network system includes a network device, a head node and a tail node, and the message reaches the destination node through a path between the head node and the tail node.
- the network device in the network system can execute the processing steps of the network device 302 in the embodiment of FIG. 4, or correspondingly, the network device in the network system is the packet processing apparatus 600 in the embodiment shown in FIG.
- the head node in the network system executes the processing steps of the head node 303 in the embodiment of FIG. 4.
- the head node is used to receive the message sent by the network device, obtain the characteristic information of the application program corresponding to the message, and determine the path between the head node and the tail node according to the characteristic information of the application program. The path between the tail node and the tail node forwards the message.
- the embodiment of the present application also provides a network system.
- the network system includes a terminal device, a head node and a tail node, and the message reaches the destination node through a path between the head node and the tail node.
- the terminal device in the network system may execute the processing steps of the terminal device in the embodiment of FIG. 5, or correspondingly, the terminal device in the network system is the terminal device 700 in the embodiment shown in FIG. 8.
- the head node in the network system executes the processing steps of the head node in the embodiment of FIG. 5.
- the head node is used to receive the message sent by the network device, obtain the characteristic information of the application program corresponding to the message, and determine the path between the head node and the tail node according to the characteristic information of the application program. The path between the tail node and the tail node forwards the message.
- An embodiment of the present application also provides a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the foregoing message processing method applied to the head node 800.
- An embodiment of the present application also provides a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the foregoing message processing method applied to the network device 900.
- An embodiment of the present application also provides a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the foregoing message processing method applied to the terminal device 1000.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are merely illustrative, for example, the division of units is only a logical business division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or integrated. To another system, or some features can be ignored, or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- business units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated unit can be implemented in the form of hardware or software business unit.
- the integrated unit is implemented in the form of a software business unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
- the technical solution of this application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including several instructions to make a computer device (which can be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods in the various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program code .
- the services described in the present invention can be implemented by hardware, software, firmware, or any combination thereof.
- these services can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
- the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
- the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.
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Abstract
Description
APP ID | 路径 |
应用程序1 ID | 路径1 |
应用程序2 ID | 路径2 |
应用程序3 ID | 路径3 |
APP ID | APP网络性能需求信息 | 用户标识 | 路径 |
应用程序1 ID | 带宽>20Mbit/s、时延<1ms | 用户名1 | 路径1 |
应用程序2 ID | 带宽>10Mbit/s | 用户名2 | 路径2 |
应用程序3 ID | 抖动 | 用户名3 | 路径3 |
APP ID | APP网络性能需求信息 | 用户标识 | 队列 |
应用程序1 ID | 带宽>20Mbit/s、时延<1ms | 用户名1 | 队列1 |
应用程序2 ID | 带宽>10Mbit/s | 用户名2 | 队列2 |
应用程序3 ID | 抖动 | 用户名3 | 队列3 |
Claims (74)
- 一种报文处理方法,应用于网络系统,所述网络系统包括头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点,其特征在于,所述方法包括:所述头节点获取报文,以及获取与所述报文对应的应用程序的特征信息,所述应用程序的特征信息至少包括下述信息之一:所述应用程序的标识信息和网络性能需求信息;所述标识信息用于标识所述应用程序;所述头节点根据所述应用程序的特征信息,以及所述应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系,确定所述头节点和所述尾节点之间的路径;所述头节点通过所述头节点和尾节点之间的路径转发所述报文。
- 根据权利要求1所述的方法,其特征在于,若所述报文为第六版因特网协议IPv6报文,则所述应用程序的特征信息携带在所述IPv6报文的IPv6扩展头或目的地址中。
- 根据权利要求2所述的方法,其特征在于,所述IPv6报文的IPv6扩展头至少包括以下之一:IPv6扩展头的类型-长度-值TLV字段和段路由头SRH的段标识SID。
- 根据权利要求3所述的方法,其特征在于,所述IPv6扩展头TLV字段至少包括以下其中之一:逐跳可选择hop-by-hop option TLV字段、目的可选择destination option TLV字段和所述SRH的TLV字段。
- 根据权利要求3或4所述的方法,其特征在于,所述IPv6扩展头TLV字段中值的格式为段标识格式。
- 根据权利要求1-5任一项所述的方法,其特征在于,所述应用程序的特征信息携带在所述报文中;所述获取与所述报文对应的应用程序的特征信息包括:从所述报文中提取与所述报文对应的应用程序的特征信息。
- 根据权利要求1-5任一项所述的方法,其特征在于,所述获取与所述报文对应的应用程序的特征信息包括:对所述报文进行解析,得到与所述报文对应的应用程序的特征信息。
- 根据权利要求1-5任一项所述的方法,其特征在于,所述报文中携带有与所述应用程序对应的业务信息,所述业务信息为所述应用程序所属业务的信息;所述获取与所述报文对应的应用程序的特征信息包括:根据所述业务信息确定与所述报文对应的应用程序的特征信息。
- 根据权利要求1-5任一项所述的方法,其特征在于,若所述应用程序的特征信息为所述应用程序的网络性能需求信息,则所述头节点获取所述应用程序的网络性能需求信息包括:所述头节点根据所述报文获取所述应用程序的标识信息;所述头节点根据所述标识信息确定所述应用程序的网络性能需求信息。
- 根据权利要求1-9任一项所述的方法,其特征在于,所述应用程序的特征信息还包括与所述应用程序对应的用户标识,所述用户标识用于标识与所述应用程序对应的用户。
- 根据权利要求10所述的方法,其特征在于,所述方法还包括:所述头节点保存所述应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系;所述应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系包括:所述应用程序的标识信息与所述头节点和尾节点之间的路径之间的映射关系;所述应用程序的网络性能需求信息与所述头节点和尾节点之间的路径之间的映射关系;所述应用程序的标识信息、所述应用程序的网络性能需求信息,以及所述头节点和尾节点之间的路径之间的映射关系;所述用户标识、所述应用程序的标识信息、以及所述头节点和尾节点之间的路径之间的映射关系;所述用户标识、所述应用程序的网络性能需求信息、以及所述头节点和尾节点之间的路径之间的映射关系;或所述用户标识、所述应用程序的标识信息、所述应用程序的网络性能需求信息、以及所述头节点和尾节点之间的路径之间的映射关系。
- 根据权利要求11所述的方法,其特征在于,所述头节点根据所述应用程序的特征信息,以及应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系,确定所述头节点和所述尾节点之间的路径包括:所述头节点根据所述应用程序的特征信息,以及应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系,选择与所述应用程序的特征信息匹配的路径;或者所述头节点在没有找到与所述应用程序的特征信息匹配的路径的情况下,所述头节点创建到达所述尾节点的路径。
- 根据权利要求12所述的方法,其特征在于,所述头节点创建到达所述尾节点的路径包括:所述头节点根据获取的所述网络系统的拓扑信息,创建与所述应用程序的特征信息对应的路径;或者所述头节点向控制器发送路径获取请求,所述路径获取请求中携带有所述应用程序的特征信息;所述头节点接收所述控制器根据所述路径获取请求生成的、与所述应用程序的特征信息对应的路径。
- 根据权利要求12或13所述的方法,其特征在于,所述方法还包括:所述头节点在创建所述到达所述尾节点的路径后,将所述创建的路径与所述应用程序的特征信息的对应关系添加到所述应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系中。
- 根据权利要求1-14任一项所述的方法,其特征在于,所述头节点和尾节点之间的路径包括隧道或段路由SR策略。
- 根据权利要求1-15任一项所述的方法,其特征在于,所述应用程序的网络性能需求信息至少包括以下之一:带宽信息、时延信息、时延抖动信息、丢包信息、可靠性信息和安全信息。
- 根据权利要求1-16任一项所述的方法,其特征在于,所述方法还包括:所述头节点对所述应用程序的标识信息所标识的应用程序的流量进行分析,得到分析结果;所述头节点根据所述分析结果调整所述应用程序的报文对应的所述头节点和尾节点之间的路径。
- 根据权利要求1-16任一项所述的方法,其特征在于,所述头节点通过所述头节点和尾节点之间的路径转发所述报文包括:所述头节点根据所述应用程序的特征信息确定与所述应用程序的特征信息对应的队列,将所述报文加入所述队列中,并将所述队列中的报文通过所述头节点和尾节点之间的路径转发。
- 根据权利要求18所述的方法,其特征在于,所述方法还包括:所述头节点保存所述应用程序的特征信息与所述队列之间的映射关系;所述头节点根据所述应用程序的特征信息确定与所述应用程序的特征信息对应的队列包括:所述头节点根据所述应用程序的特征信息以及所述应用程序的特征信息与所述队列之间的映射关系确定所述队列。
- 根据权利要求19所述的方法,其特征在于,所述应用程序的特征信息与所述队列之间的映射关系包括:所述应用程序的标识信息与所述队列之间的映射关系;所述应用程序的网络性能需求信息与所述队列之间的映射关系;所述应用程序的标识信息、所述应用程序的网络性能需求信息,以及所述队列之间的映射关系;所述用户标识、所述应用程序的标识信息、以及所述队列之间的映射关系;所述用户标识、所述应用程序的网络性能需求信息、以及所所述队列之间的映射关系;或所述用户标识、所述应用程序的标识信息、所述应用程序的网络性能需求信息、以及所述队列之间的映射关系。
- 根据权利要求19-20任一项所述的方法,其特征在于,所述方法还包括:所述头节点对所述应用程序的标识信息对所标识的应用程序的流量进行分析,得到分析结果;所述头节点根据所述分析结果调整所述应用程序的报文所进入的队列。
- 一种报文处理方法,应用于网络系统,所述网络系统包括网络设备、头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点,其特征在于,所述方法包括:所述网络设备获取报文,以及获取与所述报文对应的应用程序的特征信息,所述应用程序的特征信息至少包括下述信息之一:所述应用程序的特征信息和网络性能需求信息;所述特征信息用于标识所述应用程序;所述网络设备向所述头节点发送携带有所述应用程序的特征信息的报文,所述应用程序的特征信息用于所述头节点确定所述头节点到所述尾节点之间的路径以转发所述报文。
- 根据权利要求22所述的方法,其特征在于,若所述报文为第六版因特网协议IPv6报文,则所述应用程序的特征信息携带在所述网络设备向所述头节点发送的所述IPv6报文的IPv6扩展头或目的地址中。
- 根据权利要求23所述的方法,其特征在于,所述IPv6报文的IPv6扩展头至少包括以下之一:IPv6扩展头类型-长度-值TLV字段和/或段路由头SRH的段标识SID。
- 根据权利要求24所述的方法,其特征在于,所述IPv6扩展头TLV字段至少包括以下之一:逐跳可选择hop-by-hop option TLV字段、目的可选择destination option TLV字段和所述SRH的TLV字段。
- 根据权利要求24或25所述的方法,其特征在于,所述IPv6扩展头TLV字段中值的格式为段标识格式。
- 根据权利要求23所述的方法,其特征在于,若所述网络设备获取到的所述IPv6报文的IPv6扩展头TLV字段中以段标识格式携带所述应用程序的特征信息;所述网络设备获取与所述报文对应的应用程序的特征信息包括:所述网络设备从所述IPv6扩展头TLV字段中提取所述应用程序的特征信息;所述网络设备向所述头节点发送携带有所述应用程序的特征信息的报文包括:所述网络设备将所述应用程序的特征信息携带在所述IPv6报文的目的地址中并向所述头节点发送。
- 根据权利要求22-27任一项所述的方法,其特征在于,所述网络设备获取与所述报文对应的应用程序的特征信息包括:所述网络设备对所述报文进行解析,得到所述应用程序的特征信息。
- 根据权利要求22-27任一项所述的方法,其特征在于,若所述网络设备向所述头节点发送的报文中携带的所述应用程序的特征信息为所述应用程序的网络性能需求信息,且所述网络设备获取的报文中包括所述应用程序的标识信息;则所述网络设备获取与所述报文对应的应用程序的特征信息包括:所述网络设备从所述报文中提取与所述报文对应的应用程序的标识信息;所述网络设备根据所述标识信息确定所述应用程序的网络性能需求信息。
- 根据权利要求22-27任一项所述的方法,其特征在于,若所述网络设备获取的报文中包括所述应用程序的业务信息,所述业务信息为所述应用程序所属业务的信息;则所述网络设备获取与所述报文对应的应用程序的特征信息包括:所述网络设备根据所述应用程序的业务信息确定所述应用程序的特征信息。
- 根据权利要求22-30任一项所述的方法,其特征在于,所述应用程序的特征信息还包括与所述应用程序对应的用户标识。
- 一种报文处理方法,应用于网络系统,所述网络系统包括头节点和尾节点,所述头节点接收来自于终端设备的报文,所述报文经过所述头节点和尾节点之间的路径到达目的节点,其特征在于,所述方法包括:所述终端设备获取应用程序的特征信息;所述应用程序的特征信息至少包括下述信息之一:所述应用程序的标识信息和网络性能需求信息;所述标识信息用于标识所述应用程序;所述终端设备生成所述应用程序对应的报文,所述报文中携带所述应用程序的特征信息,所述应用程序的特征信息用于所述头节点确定所述头节点到所述尾节点之间的路径以转发所述报文至所述目的节点;所述终端设备通过所述网络系统向所述目的节点发送所述应用程序对应的报文。
- 根据权利要求32所述的方法,其特征在于,若所述报文为第六版因特网协议IPv6报文,则所述应用程序的特征信息携带在所述IPv6报文的IPv6扩展头或目的地址中。
- 根据权利要求33所述的方法,其特征在于,所述IPv6报文的IPv6扩展头至少包括以下之一:IPv6扩展头的类型-长度-值TLV字段和段路由头SRH的段标识SID。
- 根据权利要求34所述的方法,其特征在于,所述IPv6扩展头TLV字段至少包括以下之一:逐跳可选择hop-by-hop option TLV字段、目的可选择destination option TLV字段和所述SRH的TLV字段。
- 根据权利要求34或35所述的方法,其特征在于,所述IPv6扩展头TLV字段中值的格式为段标识格式。
- 一种报文处理装置,其特征在于,应用于网络系统,所述网络系统包括头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点,所述所述头节点为所述报文处理装置,所述报文处理装置包括:获取单元,用于接收报文,以及获取与所述报文对应的应用程序的特征信息,所述应用程序的特征信息至少包括下述信息之一:所述应用程序的标识信息和网络性能需求信息;所述标识信息用于标识所述应用程序;路径确定单元,用于根据所述应用程序的特征信息,以及所述应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系,确定所述头节点和所述尾节点之间的路径;转发单元,用于通过所述头节点和尾节点之间的路径转发所述报文。
- 根据权利要求37所述的报文处理装置,其特征在于,若所述报文为第六版因特网协议IPv6报文,则所述应用程序的特征信息携带在所述IPv6报文的IPv6扩展头或目的地址中。
- 根据权利要求38所述的报文处理装置,其特征在于,所述IPv6报文的IPv6扩展头至少包括以下之一:IPv6扩展头的类型-长度-值TLV字段和段路由头SRH的段标识SID。
- 根据权利要求39所述的报文处理装置,其特征在于,所述IPv6扩展头TLV字段至少包括以下之一:逐跳可选择hop-by-hop option TLV字段、目的可选择destination option TLV字段和所述SRH的TLV字段。
- 根据权利要求37-40任一项所述的报文处理装置,其特征在于,所述应用程序的特征信息携带在所述报文中;所述获取与所述报文对应的应用程序的特征信息包括:从所述报文中提取与所述报文对应的应用程序的特征信息。
- 根据权利要求37-40任一项所述的报文处理装置,其特征在于,所述获取与所述报文对应的应用程序的特征信息包括:对所述报文进行解析,得到与所述报文对应的应用程序的特征信息。
- 根据权利要求37-40任一项所述的报文处理装置,其特征在于,所述报文中携带有与所述应用程序对应的业务信息,所述业务信息为所述应用程序所属业务的信息;所述获取与所述报文对应的应用程序的特征信息包括:根据所述业务信息确定与所述报文对应的应用程序的特征信息。
- 根据权利要求37-40任一项所述的报文处理装置,其特征在于,若所述应用程序的 特征信息包括所述应用程序的网络性能需求信息,则获取所述应用程序的网络性能需求信息包括:根据所述报文获取所述应用程序的标识信息;根据所述标识信息确定所述应用程序的网络性能需求信息。
- 根据权利要求37-44任一项所述的报文处理装置,其特征在于,所述应用程序的特征信息还包括与所述应用程序对应的用户标识,所述用户标识用于标识与所述应用程序对应的用户。
- 根据权利要求45所述的报文处理装置,其特征在于,所述装置还包括:第一保存单元,用于保存所述应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系;所述应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系包括:所述应用程序的标识信息与所述头节点和尾节点之间的路径之间的映射关系;所述应用程序的网络性能需求信息与所述头节点和尾节点之间的路径之间的映射关系;所述应用程序的标识信息、所述应用程序的网络性能需求信息,以及所述头节点和尾节点之间的路径之间的映射关系;所述用户标识、所述应用程序的标识信息、以及所述头节点和尾节点之间的路径之间的映射关系;所述用户标识、所述应用程序的网络性能需求信息、以及所述头节点和尾节点之间的路径之间的映射关系;或所述用户标识、所述应用程序的标识信息、所述应用程序的网络性能需求信息、以及所述头节点和尾节点之间的路径之间的映射关系。
- 根据权利要求46所述的报文处理装置,其特征在于,所述路径确定单元,用于根据所述应用程序的特征信息,以及应用程序的特征信息与所述头节点和尾节点之间的路径之间的映射关系,选择与所述应用程序的特征信息匹配的路径;或者在没有找到与所述应用程序的特征信息匹配的路径的情况下,所述头节点创建到达所述尾节点的路径。
- 根据权利要求37-47任一项所述的报文处理装置,其特征在于,所述转发单元,用于根据所述应用程序的特征信息确定与所述应用程序的特征信息对应的队列,将所述报文加入所述队列中,并将所述队列中的报文通过所述头节点和尾节点之间的路径转发。
- 根据权利要求48所述的报文处理装置,其特征在于,所述装置还包括:第二保存单元,用于保存所述应用程序的特征信息与所述队列之间的映射关系;队列确定单元,用于根据所述应用程序的特征信息以及所述应用程序的特征信息与所述队列之间的映射关系确定所述队列。
- 根据权利要求49所述的报文处理装置,其特征在于,所述应用程序的特征信息与所述队列之间的映射关系包括:所述应用程序的特征信息与所述队列之间的映射关系包括:所述应用程序的标识信息与所述队列之间的映射关系;所述应用程序的网络性能需求信息与所述队列之间的映射关系;所述应用程序的标识信息、所述应用程序的网络性能需求信息,以及所述队列之间的映 射关系;所述用户标识、所述应用程序的标识信息、以及所述队列之间的映射关系;所述用户标识、所述应用程序的网络性能需求信息、以及所所述队列之间的映射关系;或所述用户标识、所述应用程序的标识信息、所述应用程序的网络性能需求信息、以及所述队列之间的映射关系。
- 一种报文处理装置,其特征在于,应用于网络系统,所述网络系统包括网络设备、头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点,所述网络设备为所述报文处理装置,所述报文处理装置包括:获取单元,用于获取报文,以及获取与所述报文对应的应用程序的特征信息,所述应用程序的特征信息至少包括下述信息之一:所述应用程序的特征信息和网络性能需求信息;所述特征信息用于标识所述应用程序;发送单元,用于向所述头节点发送携带有所述应用程序的特征信息的报文,所述应用程序的特征信息用于所述头节点确定所述头节点到所述尾节点之间的路径以转发所述报文。
- 根据权利要求51所述的报文处理装置,其特征在于,若所述报文为第六版因特网协议IPv6报文,则所述应用程序的特征信息携带在所述网络设备向所述头节点发送的所述IPv6报文的IPv6扩展头或目的地址中。
- 根据权利要求52所述的报文处理装置,其特征在于,所述IPv6报文的IPv6扩展头至少包括以下其中之一:IPv6扩展头的类型-长度-值TLV字段和/或段路由头SRH的段标识SID。
- 根据权利要求53所述的报文处理装置,其特征在于,所述IPv6扩展头TLV字段至少包括以下其中之一:逐跳可选择hop-by-hop option TLV字段、目的可选择destination option TLV字段和所述SRH的TLV字段。
- 根据权利要求54所述的报文处理装置,其特征在于,若所述获取单元获取到的所述IPv6报文的IPv6扩展头TLV字段中包括以段标识格式携带所述应用程序的特征信息;所述获取与所述报文对应的应用程序的特征信息包括:所述从所述IPv6扩展头TLV字段中提取所述应用程序的特征信息;所述向所述头节点发送携带有所述应用程序的特征信息的报文包括:所述将所述应用程序的特征信息携带在所述IPv6报文的目的地址中并向所述头节点发送。
- 根据权利要求51-55任一项所述的报文处理装置,其特征在于,所述获取与所述报文对应的应用程序的特征信息包括:对所述报文进行解析,得到所述应用程序的特征信息。
- 根据权利要求51-55任一项所述的报文处理装置,其特征在于,若所述发送单元向所述头节点发送的报文中携带的所述应用程序的特征信息包括所述应用程序的网络性能需求信息,且所述获取单元获取的报文中包括与所述应用程序的标识信息;则所述获取与所述报文对应的应用程序的特征信息包括:从所述报文中提取与所述报文对应的应用程序的标识信息,根据所述标识信息确定所述应用程序的网络性能需求信息。
- 根据权利要求51-55任一项所述的报文处理装置,其特征在于,若所述获取单元获取的报文中包括所述应用程序的业务信息,所述业务信息为所述应用程序所属业务的信息;则获取与所述报文对应的应用程序的特征信息包括:根据所述应用程序的业务信息确定所述应用程序的特征信息。
- 根据权利要求51-58任一项所述的报文处理装置,其特征在于,所述应用程序的特征信息还包括与所述应用程序对应的用户标识。
- 一种终端设备,应用于网络系统,所述网络系统包括头节点和尾节点,所述头节点接收来自于所述终端设备的报文,所述报文经过所述头节点和尾节点之间的路径到达目的节点,其特征在于,所述终端设备包括:获取单元,用于获取应用程序的特征信息;所述应用程序的特征信息至少包括下述信息之一:所述应用程序的标识信息和网络性能需求信息;所述标识信息用于标识所述应用程序;报文生成单元,用于生成所述应用程序对应的报文,所述报文中携带所述应用程序的特征信息,所述应用程序的特征信息用于所述头节点确定所述头节点到所述尾节点之间的路径以转发所述报文至所述目的节点;发送单元,用于通过所述网络系统向所述目的节点发送所述应用程序对应的报文。
- 根据权利要求60所述的终端设备,其特征在于,若所述报文为第六版因特网协议IPv6报文,则所述应用程序的特征信息携带在所述IPv6报文的IPv6扩展头或目的地址中。
- 根据权利要求61所述的终端设备,其特征在于,所述IPv6报文的IPv6扩展头至少包括以下之一:IPv6扩展头的类型-长度-值TLV字段和/或段路由头SRH的段标识SID。
- 根据权利要求62所述的终端设备,其特征在于,所述IPv6扩展头TLV字段至少包括以下之一:逐跳可选择hop-by-hop option TLV字段、目的可选择destination option TLV字段和所述SRH的TLV字段。
- 根据权利要求62或63所述的终端设备,其特征在于,所述IPv6扩展头TLV字段中值的格式为段标识格式。
- 一种头节点,应用于网络系统,所述网络系统包括所述头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点;其特征在于,所述头节点包括存储器和处理器;所述存储器,用于存储指令;所述处理器,用于执行所述存储器中的所述指令,执行权利要求1-21任意一项所述的方法。
- 一种网络设备,应用于网络系统,所述网络系统包括所述网络设备、头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点,其特征在于,所述网络设备包括存储器和处理器;所述存储器,用于存储指令;所述处理器,用于执行所述存储器中的所述指令,执行权利要求22-31任意一项所述的方法。
- 一种终端设备,应用于网络系统,所述网络系统包括头节点和尾节点,所述头节点接收来自于所述终端设备的报文,所述报文经过所述头节点和尾节点之间的路径到达目的节 点,其特征在于,所述网络设备包括存储器和处理器;所述存储器,用于存储指令;所述处理器,用于执行所述存储器中的所述指令,执行权利要求32-36任意一项所述的方法。
- 一种网络系统,所述网络系统包括头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点;其特征在于:所述头节点为根据权利要求37-50任意一项所述的报文处理装置。
- 一种网络系统,所述网络系统包括网络设备、头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点;其特征在于:所述网络设备为根据权利要求51-59任意一项所述的报文处理装置。所述头节点用于接收所述网络设备发送的所述报文,获取与所述报文对应的应用程序的特征信息,根据所述应用程序的特征信息,确定所述头节点和所述尾节点之间的路径,通过所述头节点和尾节点之间的路径转发所述报文。
- 一种网络系统,所述网络系统包括终端设备、头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点;其特征在于:所述终端设备为根据权利要求60-64任意一项所述的报文处理装置;所述头节点用于接收所述网络设备发送的所述报文,获取与所述报文对应的应用程序的特征信息,根据所述应用程序的特征信息,确定所述头节点和所述尾节点之间的路径,通过所述头节点和尾节点之间的路径转发所述报文。
- 一种计算机可读存储介质,包括指令,当其在计算机上运行时,使得所述计算机执行以上权利要求1-36任意一项所述的方法。
- 一种芯片,所述芯片设置在头节点中,应用于网络系统,所述网络系统包括所述头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点;其特征在于,所述芯片包括处理器和接口电路;所述接口电路用于接收代码指令并传输至所述处理器;所述处理器用于运行所述代码指令以执行权利要求1-21任意一项所述的方法。
- 一种芯片,所述芯片设置在网络设备中,应用于网络系统,所述网络系统包括所述网络设备、头节点和尾节点,报文经过所述头节点和尾节点之间的路径到达目的节点,其特征在于,所述芯片包括处理器和接口电路;所述接口电路用于接收代码指令并传输至所述处理器;所述处理器用于运行所述代码指令以执行权利要求22-31任意一项所述的方法。
- 一种芯片,所述芯片设置在终端设备中,应用于网络系统,所述网络系统包括头节点和尾节点,所述头节点接收来自于所述终端设备的报文,所述报文经过所述头节点和尾节点之间的路径到达目的节点,其特征在于,所述芯片包括处理器和接口电路;所述接口电路用于接收代码指令并传输至所述处理器;所述处理器用于运行所述代码指令以执行权利要求32-36任意一项所述的方法。
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