WO2020077543A1 - 一种处理帧头的方法及装置、通信设备 - Google Patents

一种处理帧头的方法及装置、通信设备 Download PDF

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Publication number
WO2020077543A1
WO2020077543A1 PCT/CN2018/110514 CN2018110514W WO2020077543A1 WO 2020077543 A1 WO2020077543 A1 WO 2020077543A1 CN 2018110514 W CN2018110514 W CN 2018110514W WO 2020077543 A1 WO2020077543 A1 WO 2020077543A1
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Prior art keywords
domain
information
strategy
field
category information
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PCT/CN2018/110514
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English (en)
French (fr)
Inventor
卢前溪
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Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201880097339.4A priority Critical patent/CN112673601B/zh
Priority to PCT/CN2018/110514 priority patent/WO2020077543A1/zh
Publication of WO2020077543A1 publication Critical patent/WO2020077543A1/zh
Priority to US17/203,517 priority patent/US20210203757A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/04—Protocols for data compression, e.g. ROHC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H04L12/4645—Details on frame tagging
    • H04L12/465—Details on frame tagging wherein a single frame includes a plurality of VLAN tags
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]

Definitions

  • the embodiments of the present application relate to the technical field of mobile communications, and in particular to a method and device for processing a frame header, and a communication device.
  • LTE Long Term Evolution
  • PDU Protocol Data Unit
  • NR New In the Radio
  • packet compression protocol Packet, Data, Convergence, Protocol
  • DRB Data Radio Bearer
  • ROHC Robust Header Compression
  • Embodiments of the present application provide a method and apparatus for processing a frame header, and communication equipment.
  • Category information the category information is used to indicate that the information domain is static or that the information domain is changing;
  • Target strategy the target strategy is used to indicate the transmission rules of the information domain
  • An initialization format which is used to initialize the information domain.
  • An apparatus for processing a frame header provided by an embodiment of the present application, the apparatus includes:
  • Category information the category information is used to indicate that the information domain is static or that the information domain is changing;
  • Target strategy the target strategy is used to indicate the transmission rules of the information domain
  • An initialization format which is used to initialize the information domain.
  • the communication device includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to perform the above-mentioned method of processing the frame header.
  • the chip provided by the embodiment of the present application is used to implement the foregoing method for processing a frame header.
  • the chip includes a processor for calling and running a computer program from the memory, so that the device installed with the chip executes the above-mentioned method of processing the frame header.
  • the computer-readable storage medium provided by the embodiments of the present application is used to store a computer program, and the computer program enables the computer to execute the foregoing method for processing a frame header.
  • the computer program product provided by the embodiment of the present application includes computer program instructions, and the computer program instructions cause the computer to execute the foregoing method for processing a frame header.
  • the computer program provided by the embodiment of the present application when it runs on a computer, causes the computer to execute the above method for processing a frame header.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • Figure 2 is a schematic diagram of the protocol architecture between the UE, 5G-AN, and the core network;
  • FIG. 3 is a schematic flowchart of a method for processing a frame header provided by an embodiment of this application;
  • Figure 4 (a) is the frame format of Ethernet II (Ethernet II) frame
  • Figure 4 (b) is the frame format of Ethernet 802.3raw frame
  • Figure 4 (c) is the frame format of Ethernet 802.3SAP (Ethernet 802.3SAP) frame
  • Figure 4 (d) is the frame format of Ethernet 802.3SNAP (Ethernet 802.3SNAP) frame
  • Figure 5 is the frame format of the IEEE 802.1Q standard VLAN frame
  • FIG. 6 is a schematic structural composition diagram of an apparatus for processing a frame header provided by an embodiment of this application.
  • FIG. 7 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Access
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Access
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Access
  • GSM Global System of Mobile
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Communication System
  • WiMAX Global Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or referred to as a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminals located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in the cloud radio access network (Cloud Radio Access Network, CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, an on-board device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B, eNB or eNodeB
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, an on-board device, Wearable
  • the communication system 100 also includes at least one terminal 120 located within the coverage of the network device 110.
  • terminals include, but are not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections; And / or another data connection / network; and / or via a wireless interface, eg, for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Lines
  • WLAN wireless local area networks
  • TV networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter
  • IoT Internet of Things
  • a terminal configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal”, or “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, fax, and data communication capabilities; can include radiotelephones, pagers, Internet / internal PDA with networked access, web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS Personal Communication Systems
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user Device.
  • Access terminals can be cellular phones, cordless phones, session initiation protocol (session) protocol (SIP) phones, wireless local loop (Wireless Local Loop) (WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in future evolved PLMNs, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA Personal Digital Assistant
  • wireless communication Functional handheld devices computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in future evolved PLMNs, etc.
  • terminal 120 may perform terminal direct connection (Device to Device, D2D) communication.
  • D2D Terminal Direct connection
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminals within the coverage area. Embodiments of the present application There is no restriction on this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • the devices with communication functions in the network / system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 having a communication function, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
  • FIG. 2 is a schematic diagram of the protocol architecture between a UE, a 5G access network (5G-AN, 5G-Access Network), and a core network (specifically, a user plane function (UPF, User Plane Function)).
  • a user plane function UPF, User Plane Function
  • the PDU layer When the type of PDU session is IP type (such as IPv4, IPv6, or IPv4v6), the corresponding data of the PDU session is IPv4 packets (IPv4packets) and / or IPv6 packets (IPv6packets); The data corresponding to the PDU session is an Ethernet frame.
  • the PDCP layer in the 5G access network protocol layer (5G-AN Protocols) has header compression and decompression functions to support different header compression and header compression parameters for different DRBs according to the configured profile.
  • FIG. 3 is a schematic flowchart of a method for processing a frame header provided by an embodiment of the present application. As shown in FIG. 3, the method for processing a frame header includes the following steps:
  • Step 301 Determine at least one of the following information corresponding to each information field of the Ethernet frame header: category information, which is used to indicate that the information field is static or that the information field is changed; Strategy, the target strategy is used to indicate the transmission rules of the information domain; initialization format, the initialization format is used to initialize the information domain.
  • the information corresponding to each information field of the Ethernet frame header is stipulated by a protocol, and either the terminal or the network side may determine the information corresponding to each information field of the Ethernet frame header based on the protocol reservation.
  • the information corresponding to each information field of the Ethernet frame header includes at least one of the following: class information (class), where the class information is used to indicate that the information field is static or that the information field is Changed; target strategy (may be called header compression strategies), the target strategy is used to indicate the transmission rules of the information domain; initialization format, the initialization format is used for the information domain Initialization.
  • class information class
  • target strategy may be called header compression strategies
  • initialization format the initialization format is used for the information domain Initialization.
  • FIG. 4 (a) is the frame format of the Ethernet II (Ethernet II) frame.
  • the meaning of each information field is shown in Table 1 below.
  • FIG. 4 (b) is the frame format of the Ethernet 802.3raw frame, where the meaning of each information field is shown in Table 2 below.
  • FIG. 4 (c) is the frame format of an Ethernet 802.3SAP (Ethernet 802.3SAP) frame, where the meaning of each information field is shown in Table 3 below.
  • Ethernet 802.3SAP Ethernet 802.3SAP
  • FIG. 4 (d) is the frame format of an Ethernet 802.3SNAP (Ethernet 802.3SNAP) frame, where the meaning of each information field is shown in Table 4 below.
  • Ethernet 802.3SNAP Ethernet 802.3SNAP
  • FIG. 5 is the frame format of the VLAN frame of the IEEE802.1Q standard, where the meaning of each information field is shown in Table 5 below.
  • the type of the Ethernet frame is an Ethernet II frame, and the header of the Ethernet II frame includes the following information fields: a destination address field, a source address field, and a type field; wherein,
  • the category information of the destination address domain and the source address domain is first category information, and the first category information is used to indicate that the information domain is static;
  • the target policy of the destination address field and the source address field is a first policy, and the first policy is used to instruct the information field to be transmitted only when it is initialized, that is, only when it is initially transmitted;
  • the category information of the type domain is second category information, and the second category information is used to indicate that the information domain is changed;
  • the target strategy of the type domain is a second strategy, and the second strategy is used to instruct the information domain to be transmitted at the time of initialization and to be updated during the transmission process.
  • the second category information has first subcategory information
  • the first subcategory information is RC information that rarely changes.
  • each information field in the Ethernet frame header is divided into three categories: static part (Dynamic part), dynamic part (Dynamic part), and excluded part (Eliminated part).
  • Static part target address field, source address field
  • Class information STATIC (first class information).
  • Target compression strategy also called header compression strategy: Transmit only initially (first strategy).
  • the following is the initialization format of the target address field and source address field.
  • Class information (Class): CHANGLING (second class information), subclass (first subclass information) is RC (RARELY-CHANGING).
  • Target compression strategy also called header compression strategy: Transmit initiated, but prepared to update (second strategy).
  • the type of the Ethernet frame is an Ethernet 802.3SAP frame, and the header of the Ethernet 802.3SAP frame includes the following information fields: destination address field, source address field, length field, DSAP field, SSAP field, and cntl field; among them,
  • the category information of the destination address domain, the source address domain, the length domain, the DSAP domain, the SSAP domain, and the cntl domain is first category information, and the first category information is used to indicate The information domain is static;
  • the target policy of the destination address field, the source address field, the length field, the DSAP field, the SSAP field, and the cntl field is a first policy, and the first policy is used to indicate the
  • the information field is transmitted only when it is initialized, that is, it is transmitted only at the initial time.
  • Ethernet 802.3 frame format is supported in the system and Ethernet II frame format transmission is not supported, then:
  • the category information of the length field is third category information, and the third category information is INFERRED category information;
  • the target strategy of the length field is a third strategy, and the third strategy is used to indicate that the information field does not need to be transmitted.
  • each information field in the Ethernet frame header is divided into three types: Static part, Dynamic part, and Eliminated part.
  • Static part target address field, source address field, length field, DSAP field, SSAP field, cntl field
  • Class information STATIC (first class information).
  • Target compression strategy also called header compression strategy: Transmit only initially (first strategy).
  • the length field can be defined as INFERRED class (third category information), and the processing rule is Do not send at all (third strategy).
  • the following are the initialization formats of the target address field, source address field, length field, DSAP field, SSAP field, and cntl field.
  • the type of the Ethernet frame is an Ethernet 802.3SNAP frame.
  • the header of the Ethernet 802.3SNAP frame includes the following information fields: destination address field, source address field, length field, DSAP field, SSAP field, cntl field, and Organization code (orgcode) domain; where,
  • the category information of the destination address domain, the source address domain, and the length domain is first category information, and the first category information is used to indicate that the information domain is static;
  • the target policy of the destination address field, the source address field, and the length field is a first policy, and the first policy is used to instruct the information field to be transmitted only when it is initialized, that is, only when it is initially transmitted;
  • the category information of the type domain is second category information, and the second category information is used to indicate that the information domain is changed;
  • the target strategy of the type domain is a second strategy, and the second strategy is used to instruct the information domain to be transmitted at the time of initialization and to be updated during the transmission process;
  • the category information of the DSAP domain, the SSAP domain, the cntl domain, and the org code domain is fourth category information, and the fourth category information is used to indicate that the information domain is static and predetermined ;
  • the target strategy of the DSAP domain, the SSAP domain, the cntl domain, and the orgcode domain is a third strategy, and the third strategy is used to indicate that the information domain does not need to be transmitted.
  • the second category information has first subcategory information, and the first subcategory information is RC information.
  • Ethernet 802.3 frame format is supported in the system and Ethernet II frame format transmission is not supported, then:
  • the category information of the length field is third category information, and the third category information is INFERRED category information;
  • the target strategy of the length field is a third strategy, and the third strategy is used to indicate that the information field does not need to be transmitted.
  • each information field in the Ethernet frame header is divided into three types: Static part, Dynamic part, and Eliminated part.
  • Static part target address field, source address field, length field
  • Class information STATIC (first class information).
  • Target compression strategy also called header compression strategy: Transmit only initially (first strategy).
  • the length field can be defined as INFERRED class (third category information), and the processing rule is Do not send at all (third strategy).
  • the following are the initialization formats of the target address field, source address field, and length field.
  • Class information (Class): CHANGLING (second class information), subclass (first subclass information) is RC (RARELY-CHANGING).
  • Target compression strategy also called header compression strategy: Transmit initiated, but prepared to update (second strategy).
  • Class information STATIC-KNOWN (third class information)
  • Target compression strategy also called header compression strategy: Do not send at all (third strategy).
  • the type of the Ethernet frame is a VLAN frame
  • the header of the VLAN frame includes an 802.1Q tag
  • the 802.1Q tag includes the following information fields: a type field, a PRI field, a CFI field, and a VID field;
  • the category information of the type domain, the CFI domain, and the VID domain is first category information, and the first category information is used to indicate that the information domain is static;
  • the target strategy of the type field, the CFI field, and the VID field is a first strategy, and the first strategy is used to instruct the information field to be transmitted only when it is initialized, that is, only when it is initially transmitted;
  • the category information of the PRI domain is second category information, and the second category information is used to indicate that the information domain is changed;
  • the target strategy of the PRI domain is a fourth strategy or a fifth strategy or a sixth strategy
  • the fourth strategy is used to indicate that the information domain is transmitted in all data packets
  • the fifth strategy is used to indicate the information
  • the domain is ready to be updated during transmission
  • the sixth strategy is used to indicate that the information domain is frequently transmitted.
  • each information field in the 802.1Q tag in the VLAN is divided into three categories: Static part, Dynamic part, and Eliminated part.
  • Static part Type field, CFI field, VID field
  • Class information STATIC (first class information).
  • Target compression strategy also called header compression strategy: Transmit only initially (first strategy).
  • Type field CFI field
  • VID field VID field
  • Class information (Class): CHANGLING (second class information), subclass (first subclass information) is IRREGULAR or RC (RARELY-CHANGING).
  • Target compression strategy also called header compression strategy: Transmit as-is in all packets (fourth strategy) or Be prepared to update (fifth strategy) or send as-is frequently (sixth strategy).
  • the following is the initialization format of the PRI field.
  • FIG. 6 is a schematic structural composition diagram of an apparatus for processing a frame header according to an embodiment of the present application. As shown in FIG. 6, the apparatus for processing a frame header includes:
  • the determining unit 601 is configured to determine at least one of the following information corresponding to each information field of the Ethernet frame header:
  • Category information the category information is used to indicate that the information domain is static or that the information domain is changing;
  • Target strategy the target strategy is used to indicate the transmission rules of the information domain
  • An initialization format which is used to initialize the information domain.
  • At least one of the following information corresponding to each information field of the Ethernet frame header is determined:
  • Category information the category information is used to indicate that the information domain is static or that the information domain is changing;
  • the second category information has first subcategory information, and the first subcategory information is RC information.
  • the type of the Ethernet frame is an Ethernet 802.3SAP frame
  • the header of the Ethernet 802.3SAP frame includes the following information fields: destination address field, source address field, length field, DSAP field, SSAP Domain, and cntl domain;
  • the category information of the destination address domain, the source address domain, the length domain, the DSAP domain, the SSAP domain, and the cntl domain is first category information, and the first category information is used to indicate The information domain is static;
  • the target policy of the destination address field, the source address field, the length field, the DSAP field, the SSAP field, and the cntl field is a first policy, and the first policy is used to indicate the
  • the information field is transmitted only when it is initialized, that is, it is transmitted only at the initial time.
  • Ethernet 802.3 frame format is supported in the system and Ethernet II frame format transmission is not supported, then:
  • the category information of the length field is third category information, and the third category information is INFERRED category information;
  • the target strategy of the length field is a third strategy, and the third strategy is used to indicate that the information field does not need to be transmitted.
  • the type of the Ethernet frame is an Ethernet 802.3SNAP frame
  • the header of the Ethernet 802.3SNAP frame includes the following information fields: destination address field, source address field, length field, DSAP field, SSAP Domain, cntl domain, and organization code orgcode domain;
  • the category information of the destination address domain, the source address domain, and the length domain is first category information, and the first category information is used to indicate that the information domain is static;
  • the target policy of the destination address field, the source address field, and the length field is a first policy, and the first policy is used to instruct the information field to be transmitted only when it is initialized, that is, only when it is initially transmitted;
  • the category information of the type domain is second category information, and the second category information is used to indicate that the information domain is changed;
  • the target strategy of the type domain is a second strategy, and the second strategy is used to instruct the information domain to be transmitted at the time of initialization and to be updated during the transmission process;
  • the category information of the DSAP domain, the SSAP domain, the cntl domain, and the org code domain is fourth category information, and the fourth category information is used to indicate that the information domain is static and predetermined ;
  • the target strategy of the DSAP domain, the SSAP domain, the cntl domain, and the orgcode domain is a third strategy, and the third strategy is used to indicate that the information domain does not need to be transmitted.
  • the second category information has first subcategory information, and the first subcategory information is RC information.
  • Ethernet 802.3 frame format is supported in the system and Ethernet II frame format transmission is not supported, then:
  • the category information of the length field is third category information, and the third category information is INFERRED category information;
  • the target strategy of the length field is a third strategy, and the third strategy is used to indicate that the information field does not need to be transmitted.
  • the type of the Ethernet frame is a VLAN frame
  • the header of the VLAN frame includes an 802.1Q tag
  • the 802.1Q tag includes the following information fields: a type field, a PRI field, a CFI field, and a VID field ;among them,
  • the category information of the type domain, the CFI domain, and the VID domain is first category information, and the first category information is used to indicate that the information domain is static;
  • the target strategy of the type field, the CFI field, and the VID field is a first strategy, and the first strategy is used to instruct the information field to be transmitted only when it is initialized, that is, only when it is initially transmitted;
  • the category information of the PRI domain is second category information, and the second category information is used to indicate that the information domain is changed;
  • the target strategy of the PRI domain is a fourth strategy or a fifth strategy or a sixth strategy
  • the fourth strategy is used to indicate that the information domain is transmitted in all data packets
  • the fifth strategy is used to indicate the information
  • the domain is ready to be updated during transmission
  • the sixth strategy is used to indicate that the information domain is frequently transmitted.
  • the communication device 600 shown in FIG. 7 includes a processor 610, and the processor 610 may call and run a computer program from a memory to implement the method in the embodiments of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .
  • the communication device 600 may specifically be the mobile terminal / terminal of the embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal / terminal in each method of the embodiment of the present application. This will not be repeated here.
  • FIG. 8 is a schematic structural diagram of a chip 700 according to an embodiment of the present application.
  • the chip 700 shown in FIG. 8 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 can call and run a computer program from the memory 720 to implement the method in the embodiments of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal / terminal in the embodiments of the present application, and the chip can implement the corresponding process implemented by the mobile terminal / terminal in each method of the embodiments of the present application. Repeat.
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system chips, chip systems, or system-on-chip chips.
  • FIG. 9 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 9, the communication system 900 includes a terminal 910 and a network device 920.
  • the terminal 910 may be used to implement the corresponding functions implemented by the terminal in the above method
  • the network device 920 may be used to implement the corresponding functions implemented by the network device in the above method.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, and register.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronic Erasable programmable read only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data) SDRAM (DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on.
  • static random access memory static random access memory
  • DRAM dynamic random access memory
  • SDRAM Synchronous dynamic random access memory
  • DDR SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • synchronous connection Dynamic random access memory switch link DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer-readable storage medium may be applied to the mobile terminal / terminal in the embodiments of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal / terminal in each method of the embodiments of the present application, in order to It is concise and will not be repeated here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.
  • the computer program product can be applied to the mobile terminal / terminal in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal / terminal in each method of the embodiments of the present application, for simplicity And will not be repeated here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. And will not be repeated here.
  • the computer program can be applied to the mobile terminal / terminal in the embodiments of the present application, and when the computer program runs on the computer, the computer is allowed to execute the corresponding implementation of the mobile terminal / terminal in each method of the embodiments of the present application For the sake of brevity, I will not repeat them here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a division of logical functions.
  • there may be other divisions for example, multiple units or components may be combined or Can be integrated into 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 separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a computer-readable storage medium.
  • the technical solution of the present application essentially or part of the contribution to the existing technology 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 are used to enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

本申请实施例提供一种处理帧头的方法及装置、通信设备，包括：确定以太网帧头部各个信息域对应的以下信息中的至少之一：类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；目标策略，所述目标策略用于指示所述信息域的传输规则；初始化格式，所述初始化格式用于对所述信息域进行初始化。

Description

一种处理帧头的方法及装置、通信设备 技术领域
本申请实施例涉及移动通信技术领域，具体涉及一种处理帧头的方法及装置、通信设备。
背景技术
长期演进(LTE，Long Term Evolution)系统中，协议数据单元(PDU，Protocol Data Unit)会话(session)的类型为IP类型，但是在第五代(5G，5 th Generation)新无线(NR，New Radio)系统中，PDU session不仅支持IP类型，还支持以太网(Ethernet)类型。
另一方面，分组数据汇聚协议(PDCP，Packet Data Convergence Protocol)中引入了头压缩和解压缩功能，用于支持对不同的数据无线承载(DRB，Data Radio Bearer)，根据配置的profile使用不同的头压缩和头压缩参数。PDCP采用健壮性包头压缩(ROHC，Robust Header Compression)协议进行头压缩。然而，以太网帧(Ethernet frame)头在压缩中如何进行处理是需要解决的问题。
发明内容
本申请实施例提供一种处理帧头的方法及装置、通信设备。
本申请实施例提供的处理帧头的方法，包括：
确定以太网帧头部各个信息域对应的以下信息中的至少之一：
类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；
目标策略，所述目标策略用于指示所述信息域的传输规则；
初始化格式，所述初始化格式用于对所述信息域进行初始化。
本申请实施例提供的处理帧头的装置，所述装置包括：
确定单元，用于确定以太网帧头部各个信息域对应的以下信息中的至少之一：
类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；
目标策略，所述目标策略用于指示所述信息域的传输规则；
初始化格式，所述初始化格式用于对所述信息域进行初始化。
本申请实施例提供的通信设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述的处理帧头的方法。
本申请实施例提供的芯片，用于实现上述的处理帧头的方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行上述的处理帧头的方法。
本申请实施例提供的计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述的处理帧头的方法。
本申请实施例提供的计算机程序产品，包括计算机程序指令，该计算机程序指令 使得计算机执行上述的处理帧头的方法。
本申请实施例提供的计算机程序，当其在计算机上运行时，使得计算机执行上述的处理帧头的方法。
通过上述技术方案，明确了以太网帧头部中各个信息域的处理方案，使得在对以太网帧头进行压缩的过程中，可以高效合理地实现帧头的压缩处理。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1是本申请实施例提供的一种通信系统架构的示意性图；
图2为UE、5G-AN、以及核心网之间的协议架构示意图；
图3为本申请实施例提供的处理帧头的方法的流程示意图；
图4(a)是以太网II(Ethernet II)帧的帧格式；
图4(b)是以太网802.3raw帧的帧格式；
图4(c)是以太网802.3SAP(Ethernet 802.3SAP)帧的帧格式；
图4(d)是以太网802.3SNAP(Ethernet 802.3SNAP)帧的帧格式；
图5是IEEE 802.1Q标准的VLAN帧的帧格式；
图6为本申请实施例提供的处理帧头的装置的结构组成示意图；
图7是本申请实施例提供的一种通信设备示意性结构图；
图8是本申请实施例的芯片的示意性结构图；
图9是本申请实施例提供的一种通信系统的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统或5G系统等。
示例性的，本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端进行通信。可选地，该网络设备110可以是GSM系统或CDMA系统中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、 网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端120。作为在此使用的“终端”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一终端的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端或者未来演进的PLMN中的终端等。
可选地，终端120之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图1示例性地示出了一个网络设备和两个终端，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端，本申请实施例对此不做限定。
可选地，该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例，通信设备可包括具有通信功能的网络设备110和终端120，网络设备110和终端120可以为上文所述的具体设备，此处不再赘述；通信设备还可包括通信系统100中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
图2为UE、5G接入网(5G-AN，5G-Access Network)、以及核心网(具体为用户平面功能(UPF，User Plane Function))之间的协议架构示意图，对于PDU层来说，当PDU session的类型为IP类型(例如IPv4、或IPv6、或IPv4v6)，该PDU session对应数据为IPv4数据包(IPv4packets)和/或IPv6数据包(IPv6packets)；当PDU session的类型为Ethernet类型时，该PDU session对应的数据为以太网帧。另一方面，5G接入网协议层(5G-AN Protocol Layers)中的PDCP层具有头压缩和解压缩功能，用于支持对不同DRB，根据配置的profile使用不同的头压缩和头压缩参数。
图3为本申请实施例提供的处理帧头的方法的流程示意图，如图3所示，所述处理帧头的方法包括以下步骤：
步骤301：确定以太网帧头部各个信息域对应的以下信息中的至少之一：类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；目标策略，所述目标策略用于指示所述信息域的传输规则；初始化格式，所述初始化格式用于对所述信息域进行初始化。
本申请实施例中，以太网帧头部各个信息域对应的信息由协议约定，终端或者网络侧都可以基于该协议预定来确定以太网帧头部各个信息域对应的信息。
本申请实施例中，以太网帧头部各个信息域对应的信息包括以下至少之一：类别信息(class)，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；目标策略(可以称为头部压缩策略(Header compression strategies))，所述目标策略用于指示所述信息域的传输规则；初始化格式，所述初始化格式用于对所述信息域进行初始化(Initialization)。
其中，以太网帧的类型具有四种，参照图4(a)，图4(a)是以太网II(Ethernet II)帧的帧格式，其中，各个信息域的含义见如下表1所示。
Figure PCTCN2018110514-appb-000001
表1
参照图4(b)，图4(b)是以太网802.3raw帧的帧格式，其中，各个信息域的含义见如下表2所示。
Figure PCTCN2018110514-appb-000002
表2
参照图4(c)，图4(c)是以太网802.3SAP(Ethernet 802.3SAP)帧的帧格式，其中，各个信息域的含义见如下表3所示。
Figure PCTCN2018110514-appb-000003
Figure PCTCN2018110514-appb-000004
表3
参照图4(d)，图4(d)是以太网802.3SNAP(Ethernet 802.3SNAP)帧的帧格式，其中，各个信息域的含义见如下表4所示。
Figure PCTCN2018110514-appb-000005
表4
在IEEE 802.1Q标准中，对以太网帧格式进行了修改，在源地址域和类型域之间加入了4字节的802.1Q标签(802.1Q Tag)，形成了802.1Q标签，参照图5，图5是IEEE802.1Q标准的VLAN帧的帧格式，其中，各个信息域的含义见如下表5所示。
Figure PCTCN2018110514-appb-000006
Figure PCTCN2018110514-appb-000007
表5
以下结合类型的以太网帧对本申请实施例的技术方案分别进行举例说明。
示例一
所述以太网帧的类型为以太网II帧，所述以太网II帧的头部包括以下信息域：目的地址域、源地址域、以及类型域；其中，
所述目的地址域、所述源地址域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
所述目的地址域、所述源地址域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输，即仅在初始的时候传输；
所述类型域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
所述类型域的目标策略为第二策略，所述第二策略用于指示所述信息域在初始化的时候传输，在传输过程中准备更新。
进一步，所述第二类别信息具有第一子类别信息，所述第一子类别信息为很少改变RC信息。
具体实现时，将Ethernet frame头部中的各个信息域分为静态部分(Static part)、动态部分(Dynamic part)、排除部分(Eliminated part)三类。
举个例子，参照图4(a)，其中：
1、Static part：目标地址域，源地址域
类别信息(Class)：STATIC(第一类别信息)。
目标压缩策略(也叫做头压缩策略)：Transmit only initially(第一策略)。
以下为目标地址域，源地址域的初始化格式。
Figure PCTCN2018110514-appb-000008
Figure PCTCN2018110514-appb-000009
2、Dynamic part：类型(Type)域
类别信息(Class)：CHANGLING(第二类别信息)，subclass(第一子类别信息)为RC(RARELY-CHANGING)。
目标压缩策略(也叫做头压缩策略)：Transmit initially,but be prepared to update(第二策略)。
以下为Type域的初始化格式。
Figure PCTCN2018110514-appb-000010
3、Eliminated part：无
需要明确的是，Ethernet frame的头部，按照RFC协议定义的头压缩框架(framework)进行工作。
示例二
所述以太网帧的类型为以太网802.3SAP帧，所述以太网802.3SAP帧的头部包括以下信息域：目的地址域、源地址域、长度域、DSAP域、SSAP域、以及cntl域；其中，
所述目的地址域、所述源地址域、所述长度域、所述DSAP域、所述SSAP域、以及所述cntl域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
所述目的地址域、所述源地址域、所述长度域、所述DSAP域、所述SSAP域、以及所述cntl域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输，即仅在初始的时候传输。
进一步，如果在系统中仅支持所述以太网802.3的帧格式，而不支持以太网II的帧格式传输，则：
所述长度域的类别信息为第三类别信息，所述第三类别信息为INFERRED类别信息；
所述长度域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
具体实现时，将Ethernet frame头部中的各个信息域分为Static part、Dynamic part、Eliminated part三类。
举个例子，参照图4(b)，其中：
1、Static part：目标地址域，源地址域，长度域，DSAP域，SSAP域，cntl域
类别信息(Class)：STATIC(第一类别信息)。
目标压缩策略(也叫做头压缩策略)：Transmit only initially(第一策略)。
特别地，若帧不支持Ethernet II，长度域可以定义为INFERRED class(第三类别信息)，处理规则为Do not send at all(第三策略)。
以下为目标地址域，源地址域，长度域，DSAP域，SSAP域，cntl域的初始化格式。
Figure PCTCN2018110514-appb-000011
Figure PCTCN2018110514-appb-000012
2、Dynamic part：无
3、Eliminated part：无
需要明确的是，Ethernet frame的头部，按照RFC协议定义的头压缩框架(framework)进行工作。
示例三
所述以太网帧的类型为以太网802.3SNAP帧，所述以太网802.3SNAP帧的头部包括以下信息域：目的地址域、源地址域、长度域、DSAP域、SSAP域、cntl域、以及组织代码(org code)域；其中，
所述目的地址域、所述源地址域、所述长度域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
所述目的地址域、所述源地址域、所述长度域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输，即仅在初始的时候传输；
所述类型域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
所述类型域的目标策略为第二策略，所述第二策略用于指示所述信息域在初始化的时候传输，在传输过程中准备更新；
所述DSAP域、所述SSAP域、所述cntl域、以及所述org code域的类别信息为第四类别信息，所述第四类别信息用于指示所述信息域为静态的且预先确定的；
所述DSAP域、所述SSAP域、所述cntl域、以及所述org code域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
进一步，所述第二类别信息具有第一子类别信息，所述第一子类别信息为RC信息。
进一步，如果在系统中仅支持所述以太网802.3的帧格式，而不支持以太网II的帧格式传输，则：
所述长度域的类别信息为第三类别信息，所述第三类别信息为INFERRED类别信息；
所述长度域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
具体实现时，将Ethernet frame头部中的各个信息域分为Static part、Dynamic part、Eliminated part三类。
举个例子，参照图4(c)，其中：
1、Static part：目标地址域，源地址域，长度域
类别信息(Class)：STATIC(第一类别信息)。
目标压缩策略(也叫做头压缩策略)：Transmit only initially(第一策略)。
特别地，若帧不支持Ethernet II，长度域可以定义为INFERRED class(第三类别信息)，处理规则为Do not send at all(第三策略)。
以下为目标地址域，源地址域，长度域的初始化格式。
Figure PCTCN2018110514-appb-000013
Figure PCTCN2018110514-appb-000014
2、Dynamic part：类型(Type)域
类别信息(Class)：CHANGLING(第二类别信息)，subclass(第一子类别信息)为RC(RARELY-CHANGING)。
目标压缩策略(也叫做头压缩策略)：Transmit initially,but be prepared to update(第二策略)。
以下为Type域的初始化格式。
Figure PCTCN2018110514-appb-000015
3、Eliminated part：DSAP域，SSAP域，cntl域，org code域
类别信息(Class)：STATIC-KNOWN(第三类别信息)
目标压缩策略(也叫做头压缩策略)：Do not send at all(第三策略)。
以下为SAP域，SSAP域，cntl域，org code域的初始化格式。
Figure PCTCN2018110514-appb-000016
需要明确的是，Ethernet frame的头部，按照RFC协议定义的头压缩框架(framework)进行工作。
示例四
所述以太网帧的类型为VLAN帧，所述VLAN帧的头部包括802.1Q标签，所述802.1Q标签包括以下信息域：类型域、PRI域、CFI域以及VID域；其中，
所述类型域、所述CFI域、所述VID域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
所述类型域、所述CFI域、所述VID域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输，即仅在初始的时候传输；
所述PRI域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
所述PRI域的目标策略为第四策略或第五策略或第六策略，所述第四策略用于指示所述信息域在全部数据包中传输，所述第五策略用于指示所述信息域在传输过程中准备更新，所述第六策略用于指示所述信息域频繁传输。
具体实现时，将VLAN frame中802.1Q标签中的各个信息域分为Static part、Dynamic part、Eliminated part三类。
举个例子，参照图5，其中：
1、Static part：Type域，CFI域，VID域
类别信息(Class)：STATIC(第一类别信息)。
目标压缩策略(也叫做头压缩策略)：Transmit only initially(第一策略)。
以下为Type域，CFI域，VID域的初始化格式。
Figure PCTCN2018110514-appb-000017
2、Dynamic part：PRI域
类别信息(Class)：CHANGLING(第二类别信息)，subclass(第一子类别信息)为IRREGULAR或RC(RARELY-CHANGING)。
目标压缩策略(也叫做头压缩策略)：Transmit as-is in all packets(第四策略)或者Be prepared to update(第五策略)或者send as-is frequently(第六策略)。
以下为PRI域的初始化格式。
Figure PCTCN2018110514-appb-000018
3、Eliminated part：无
需要明确的是，Ethernet frame的头部，按照RFC协议定义的头压缩框架(framework)进行工作。
图6为本申请实施例提供的处理帧头的装置的结构组成示意图，如图6所示，所述处理帧头的装置包括：
确定单元601，用于确定以太网帧头部各个信息域对应的以下信息中的至少之一：
类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；
目标策略，所述目标策略用于指示所述信息域的传输规则；
初始化格式，所述初始化格式用于对所述信息域进行初始化。
在一实施方式中，确定以太网帧头部各个信息域对应的以下信息中的至少之一：
类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；
进一步，所述第二类别信息具有第一子类别信息，所述第一子类别信息为RC信息。
在一实施方式中，所述以太网帧的类型为以太网802.3SAP帧，所述以太网802.3SAP帧的头部包括以下信息域：目的地址域、源地址域、长度域、DSAP域、SSAP域、以及cntl域；其中，
所述目的地址域、所述源地址域、所述长度域、所述DSAP域、所述SSAP域、以及所述cntl域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
所述目的地址域、所述源地址域、所述长度域、所述DSAP域、所述SSAP域、以及所述cntl域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输，即仅在初始的时候传输。
进一步，如果在系统中仅支持所述以太网802.3的帧格式，而不支持以太网II的帧 格式传输，则：
所述长度域的类别信息为第三类别信息，所述第三类别信息为INFERRED类别信息；
所述长度域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
在一实施方式中，所述以太网帧的类型为以太网802.3SNAP帧，所述以太网802.3SNAP帧的头部包括以下信息域：目的地址域、源地址域、长度域、DSAP域、SSAP域、cntl域、以及组织代码org code域；其中，
所述目的地址域、所述源地址域、所述长度域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
所述目的地址域、所述源地址域、所述长度域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输，即仅在初始的时候传输；
所述类型域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
所述类型域的目标策略为第二策略，所述第二策略用于指示所述信息域在初始化的时候传输，在传输过程中准备更新；
所述DSAP域、所述SSAP域、所述cntl域、以及所述org code域的类别信息为第四类别信息，所述第四类别信息用于指示所述信息域为静态的且预先确定的；
所述DSAP域、所述SSAP域、所述cntl域、以及所述org code域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
进一步，所述第二类别信息具有第一子类别信息，所述第一子类别信息为RC信息。
进一步，如果在系统中仅支持所述以太网802.3的帧格式，而不支持以太网II的帧格式传输，则：
所述长度域的类别信息为第三类别信息，所述第三类别信息为INFERRED类别信息；
所述长度域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
在一实施方式中，所述以太网帧的类型为VLAN帧，所述VLAN帧的头部包括802.1Q标签，所述802.1Q标签包括以下信息域：类型域、PRI域、CFI域以及VID域；其中，
所述类型域、所述CFI域、所述VID域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
所述类型域、所述CFI域、所述VID域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输，即仅在初始的时候传输；
所述PRI域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
所述PRI域的目标策略为第四策略或第五策略或第六策略，所述第四策略用于指示所述信息域在全部数据包中传输，所述第五策略用于指示所述信息域在传输过程中准备更新，所述第六策略用于指示所述信息域频繁传输。
本领域技术人员应当理解，本申请实施例的上述处理帧头的装置的相关描述可以参照本申请实施例的处理帧头的方法的相关描述进行理解。
图7是本申请实施例提供的一种通信设备600示意性结构图。该通信设备可以是终端，也可以是网络设备，图7所示的通信设备600包括处理器610，处理器610可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图7所示，通信设备600还可以包括存储器620。其中，处理器610可以从存储器620中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器620可以是独立于处理器610的一个单独的器件，也可以集成在处理器610中。
可选地，如图7所示，通信设备600还可以包括收发器630，处理器610可以控制该收发器630与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器630可以包括发射机和接收机。收发器630还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备600具体可为本申请实施例的网络设备，并且该通信设备600可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备600具体可为本申请实施例的移动终端/终端，并且该通信设备600可以实现本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
图8是本申请实施例的芯片700的示意性结构图。图8所示的芯片700包括处理器710，处理器710可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图8所示，芯片700还可以包括存储器720。其中，处理器710可以从存储器720中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器720可以是独立于处理器710的一个单独的器件，也可以集成在处理器710中。
可选地，该芯片700还可以包括输入接口730。其中，处理器710可以控制该输入接口730与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片700还可以包括输出接口740。其中，处理器710可以控制该输出接口740与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的移动终端/终端，并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
图9是本申请实施例提供的一种通信系统900的示意性框图。如图9所示，该通信系统900包括终端910和网络设备920。
其中，该终端910可以用于实现上述方法中由终端实现的相应的功能，以及该网络设备920可以用于实现上述方法中由网络设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执 行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的移动终端/终端，并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的移动终端/终端，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的移动终端/终端，当该计算机程序 在计算机上运行时，使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (23)

  1. 一种处理帧头的方法，所述方法包括：
    确定以太网帧头部各个信息域对应的以下信息中的至少之一：
    类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；
    目标策略，所述目标策略用于指示所述信息域的传输规则；
    初始化格式，所述初始化格式用于对所述信息域进行初始化。
  2. 根据权利要求1所述的方法，其中，所述以太网帧的类型为以太网II帧，所述以太网II帧的头部包括以下信息域：目的地址域、源地址域、以及类型域；其中，
    所述目的地址域、所述源地址域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
    所述目的地址域、所述源地址域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输；
    所述类型域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
    所述类型域的目标策略为第二策略，所述第二策略用于指示所述信息域在初始化的时候传输，在传输过程中准备更新。
  3. 根据权利要求2所述的方法，其中，所述第二类别信息具有第一子类别信息，所述第一子类别信息为很少改变RC信息。
  4. 根据权利要求1所述的方法，其中，所述以太网帧的类型为以太网802.3 SAP帧，所述以太网802.3 SAP帧的头部包括以下信息域：目的地址域、源地址域、长度域、目的服务访问节点DSAP域、源服务访问点SSAP域、以及控制cntl域；其中，
    所述目的地址域、所述源地址域、所述长度域、所述DSAP域、所述SSAP域、以及所述cntl域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
    所述目的地址域、所述源地址域、所述长度域、所述DSAP域、所述SSAP域、以及所述cntl域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输。
  5. 根据权利要求4所述的方法，其中，如果在系统中仅支持所述以太网802.3的帧格式，而不支持以太网II的帧格式传输，则：
    所述长度域的类别信息为第三类别信息，所述第三类别信息为推断INFERRED类别信息；
    所述长度域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
  6. 根据权利要求1所述的方法，其中，所述以太网帧的类型为以太网802.3 SNAP帧，所述以太网802.3 SNAP帧的头部包括以下信息域：目的地址域、源地址域、长度域、DSAP域、SSAP域、cntl域、以及组织代码org code域；其中，
    所述目的地址域、所述源地址域、所述长度域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
    所述目的地址域、所述源地址域、所述长度域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输；
    所述类型域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域 为变化的；
    所述类型域的目标策略为第二策略，所述第二策略用于指示所述信息域在初始化的时候传输，在传输过程中准备更新；
    所述DSAP域、所述SSAP域、所述cntl域、以及所述org code域的类别信息为第四类别信息，所述第四类别信息用于指示所述信息域为静态的且预先确定的；
    所述DSAP域、所述SSAP域、所述cntl域、以及所述org code域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
  7. 根据权利要求6所述的方法，其中，所述第二类别信息具有第一子类别信息，所述第一子类别信息为RC信息。
  8. 根据权利要求6或7所述的方法，其中，如果在系统中仅支持所述以太网802.3的帧格式，而不支持以太网II的帧格式传输，则：
    所述长度域的类别信息为第三类别信息，所述第三类别信息为INFERRED类别信息；
    所述长度域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
  9. 根据权利要求1所述的方法，其中，所述以太网帧的类型为VLAN帧，所述VLAN帧的头部包括802.1Q标签，所述802.1Q标签包括以下信息域：类型域、PRI域、CFI域以及VID域；其中，
    所述类型域、所述CFI域、所述VID域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
    所述类型域、所述CFI域、所述VID域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输；
    所述PRI域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
    所述PRI域的目标策略为第四策略或第五策略或第六策略，所述第四策略用于指示所述信息域在全部数据包中传输，所述第五策略用于指示所述信息域在传输过程中准备更新，所述第六策略用于指示所述信息域频繁传输。
  10. 一种处理帧头的装置，所述装置包括：
    确定单元，用于确定以太网帧头部各个信息域对应的以下信息中的至少之一：
    类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；
    目标策略，所述目标策略用于指示所述信息域的传输规则；
    初始化格式，所述初始化格式用于对所述信息域进行初始化。
  11. 根据权利要求10所述的装置，其中，确定以太网帧头部各个信息域对应的以下信息中的至少之一：
    类别信息，所述类别信息用于指示所述信息域为静态的或指示所述信息域为变化的；
    目标策略，所述目标策略用于指示所述信息域的传输规则；
    初始化格式，所述初始化格式用于对所述信息域进行初始化。
  12. 根据权利要求11所述的装置，其中，所述第二类别信息具有第一子类别信息，所述第一子类别信息为RC信息。
  13. 根据权利要求10所述的装置，其中，所述以太网帧的类型为以太网802.3 SAP帧，所述以太网802.3 SAP帧的头部包括以下信息域：目的地址域、源地址域、长度域、DSAP域、SSAP域、以及cntl域；其中，
    所述目的地址域、所述源地址域、所述长度域、所述DSAP域、所述SSAP域、以及所述cntl域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
    所述目的地址域、所述源地址域、所述长度域、所述DSAP域、所述SSAP域、以及所述cntl域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输。
  14. 根据权利要求13所述的装置，其中，如果在系统中仅支持所述以太网802.3的帧格式，而不支持以太网II的帧格式传输，则：
    所述长度域的类别信息为第三类别信息，所述第三类别信息为INFERRED类别信息；
    所述长度域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
  15. 根据权利要求10所述的装置，其中，所述以太网帧的类型为以太网802.3SNAP帧，所述以太网802.3SNAP帧的头部包括以下信息域：目的地址域、源地址域、长度域、DSAP域、SSAP域、cntl域、以及组织代码org code域；其中，
    所述目的地址域、所述源地址域、所述长度域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
    所述目的地址域、所述源地址域、所述长度域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输；
    所述类型域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
    所述类型域的目标策略为第二策略，所述第二策略用于指示所述信息域在初始化的时候传输，在传输过程中准备更新；
    所述DSAP域、所述SSAP域、所述cntl域、以及所述org code域的类别信息为第四类别信息，所述第四类别信息用于指示所述信息域为静态的且预先确定的；
    所述DSAP域、所述SSAP域、所述cntl域、以及所述org code域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
  16. 根据权利要求15所述的装置，其中，所述第二类别信息具有第一子类别信息，所述第一子类别信息为RC信息。
  17. 根据权利要求15或16所述的装置，其中，如果在系统中仅支持所述以太网802.3的帧格式，而不支持以太网II的帧格式传输，则：
    所述长度域的类别信息为第三类别信息，所述第三类别信息为INFERRED类别信息；
    所述长度域的目标策略为第三策略，所述第三策略用于指示所述信息域不必传输。
  18. 根据权利要求10所述的装置，其中，所述以太网帧的类型为VLAN帧，所述VLAN帧的头部包括802.1Q标签，所述802.1Q标签包括以下信息域：类型域、PRI域、CFI域以及VID域；其中，
    所述类型域、所述CFI域、所述VID域的类别信息为第一类别信息，所述第一类别信息用于指示所述信息域为静态的；
    所述类型域、所述CFI域、所述VID域的目标策略为第一策略，所述第一策略用于指示所述信息域仅初始化的时候传输；
    所述PRI域的类别信息为第二类别信息，所述第二类别信息用于指示所述信息域为变化的；
    所述PRI域的目标策略为第四策略或第五策略或第六策略，所述第四策略用于指示所述信息域在全部数据包中传输，所述第五策略用于指示所述信息域在传输过程中准备更新，所述第六策略用于指示所述信息域频繁传输。
  19. 一种通信设备，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至9中任一项所述的方法。
  20. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至9中任一项所述的方法。
  21. 一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至9中任一项所述的方法。
  22. 一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1至9中任一项所述的方法。
  23. 一种计算机程序，所述计算机程序使得计算机执行如权利要求1至9中任一项所述的方法。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210243647A1 (en) * 2019-01-16 2021-08-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for header compression of ethernet frame, terminal device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101369977A (zh) * 2008-09-18 2009-02-18 华为技术有限公司 数据传输的方法、装置和系统
US20130064177A1 (en) * 2011-09-08 2013-03-14 Muthaiah Venkatachalam Payload header reduction classification for multiprotocol convergence sublayer
CN108289089A (zh) * 2017-01-09 2018-07-17 联发科技股份有限公司 封包报头缩小/扩充方法及相关装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4236398B2 (ja) * 2001-08-15 2009-03-11 富士通株式会社 通信方法、通信システム及び通信接続プログラム
US20060262788A1 (en) * 2005-05-23 2006-11-23 Broadcom Corporation Dynamic payload header suppression extensions for IPV6
JP2008131240A (ja) * 2006-11-20 2008-06-05 Fujitsu Ltd ネットワークシステム、その装置及び方法
CN101453298B (zh) * 2007-12-07 2013-06-05 华为技术有限公司 一种无线网络中头压缩的处理方法及系统、装置
US8249104B2 (en) * 2008-10-30 2012-08-21 Futurewei Technologies, Inc. Optical network terminal management and control interface over Ethernet
CN110972282B (zh) * 2018-09-28 2022-05-24 华为技术有限公司 用于以太网数据的通信方法和装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101369977A (zh) * 2008-09-18 2009-02-18 华为技术有限公司 数据传输的方法、装置和系统
US20130064177A1 (en) * 2011-09-08 2013-03-14 Muthaiah Venkatachalam Payload header reduction classification for multiprotocol convergence sublayer
CN108289089A (zh) * 2017-01-09 2018-07-17 联发科技股份有限公司 封包报头缩小/扩充方法及相关装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CMCC: "Enhancement for Time-Sensitive Networking", 3GPP TSG-RAN WG2 MEETING #103BIS R2-1815270, 12 October 2018 (2018-10-12), XP051524625 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210243647A1 (en) * 2019-01-16 2021-08-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for header compression of ethernet frame, terminal device
US11736977B2 (en) * 2019-01-16 2023-08-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for header compression of ethernet frame, terminal device

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