WO2015135120A1 - Système de commande de qos de réseau de bout en bout, dispositif de communication et procédé de commande de qos de réseau de bout en bout - Google Patents

Système de commande de qos de réseau de bout en bout, dispositif de communication et procédé de commande de qos de réseau de bout en bout Download PDF

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Publication number
WO2015135120A1
WO2015135120A1 PCT/CN2014/073170 CN2014073170W WO2015135120A1 WO 2015135120 A1 WO2015135120 A1 WO 2015135120A1 CN 2014073170 W CN2014073170 W CN 2014073170W WO 2015135120 A1 WO2015135120 A1 WO 2015135120A1
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Prior art keywords
packet
payload
data
message
header
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PCT/CN2014/073170
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English (en)
Chinese (zh)
Inventor
王江胜
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华为技术有限公司
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Priority to PCT/CN2014/073170 priority Critical patent/WO2015135120A1/fr
Priority to CN201480000121.4A priority patent/CN103975551B/zh
Publication of WO2015135120A1 publication Critical patent/WO2015135120A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end

Definitions

  • the present invention belongs to the field of communication technologies, and in particular, to an end-to-end network QoS control system, a communication device, and an end-to-end network QoS control method. Background technique
  • IP Internet Protocol
  • QoS Quality of Service
  • FEC Forward Error Correction
  • FEC technology is often used for the transmission of the physical layer and the data link layer, and the FEC corrects the erroneous bit problem in transmission by redundant coding.
  • FEC decoding can be used to identify the error and correct the error.
  • FEC is often used for encoding a data segment (for example, a few hundred bits), and its error correction capability is limited under certain coding capabilities. For example, in the case where the R-S code of (255, 239) is FEC, the source data is used as a code block every 239 bits, and is encoded to have a length of 255 bits. Its error correction capability is 8 bits, that is, within the 255-bit code block, the error is less than 8 bits, which can be corrected by FEC technology.
  • the object of the present invention is to provide an end-to-end network QoS control system, a communication device, and an end-to-end network QoS control method, which can improve data transmission quality.
  • the present invention is implemented in this way, an end-to-end network QoS control system, including
  • a transmitting end communication device configured to perform traffic classification on a network protocol IP data packet to be sent, and perform packet multiplexing on a payload (payload) of an IP data packet belonging to the same data stream;
  • the payload performs forward error correction FEC encoding to obtain an encoded data block;
  • the encoded data block is subjected to data block interleaving processing to obtain an interleaved message;
  • the interleaved packet is packet-packed Forming an IP packet message and transmitting it to the transmission network;
  • the air traffic classification includes: determining, by the IP data packet configured with the same traffic classification mark, the same data flow;
  • a receiving end communication device configured to receive the IP packet message from the transport network; record a flow classification flag of a header of the IP packet message, and reassemble the IP packet according to the flow classification flag User data, obtaining a reassembled payload; deinterleaving the reassembled payload; performing FEC decoding processing on the deinterleaved payload; demultiplexing the decoded payload, and classifying the stream
  • the tag reconstitutes the IP header to obtain the user IP packet.
  • Another object of the present invention is to provide a communication device, the communication device comprising:
  • a traffic classification module configured to perform traffic classification on the Internet Protocol IP data packet to be sent, where the traffic classification includes: determining, by the IP data packet configured with the same traffic classification mark, the same data flow;
  • a packet multiplexing module configured to perform packet multiplexing on a payload payload of an IP data packet belonging to the same data stream
  • An encoding processing module configured to perform forward error correction FEC encoding on the payload that performs packet multiplexing, to obtain an encoded data block
  • An interleaving module configured to perform data block interleaving processing on the encoded data block to obtain an interleaved message
  • the packet encapsulation module is configured to perform packetization and encapsulation on the interleaved packet, and form an IP packet message to be sent to the transmission network, so that the receiving end receives and reassembles the IP packet packet, and obtains the reassembled payload. Performing deinterleaving and FEC decoding on the reassembled payload.
  • Another object of the present invention is to provide a communication device, the communication device including a fragment reassembly module, configured to receive an IP packet message, where the IP packet message is obtained by packet multiplexing, FEC encoding, and interleaving processing by the transmitting end; and recording a traffic classification flag of the IP packet packet ;
  • An assembly module configured to reassemble user data in the IP packet according to the flow classification flag, and obtain a restructured payload payload
  • a deinterleaving module configured to perform deinterleaving on the reassembled payload
  • a decoding module configured to perform FEC decoding processing on the deinterleaved payload
  • the demultiplexing module is configured to demultiplex the decoded payload, and re-form the stream classification flag into an IP header to obtain an IP data packet.
  • Another object of the present invention is to provide an end-to-end network QoS control method, the method comprising the following steps:
  • the Internet Protocol IP data packet to be sent is classified into a traffic, where the traffic classification includes: determining, by using the same traffic classification tag, an IP data packet as the same data flow;
  • the data processed by the forward error correction coding is interleaved and corresponding demodulation and deinterleaving are performed to implement network packet loss suppression, thereby greatly improving the application quality of the Internet.
  • the data processed by the forward error correction coding is interleaved and corresponding demodulation and deinterleaving are performed to implement network packet loss suppression, thereby greatly improving the application quality of the Internet.
  • the TCP transmission scenario since there is no need to lose packet retransmission and slow down, it is extremely
  • FIG. 1 is a schematic flowchart of an implementation process of an end-to-end network QoS control method according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic flow chart showing an implementation process of an end-to-end network QoS control method according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic diagram of a form of a data block provided by an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a communication device according to Embodiment 3 of the present invention.
  • FIG. 5 is a schematic structural diagram of a communication device according to Embodiment 4 of the present invention.
  • FIGS 6 and 7 are schematic diagrams showing the structure of an end-to-end network QoS control system according to Embodiment 5 of the present invention.
  • FIG. 8 is a schematic structural diagram of a transmitting end communication device according to Embodiment 6 of the present invention.
  • FIG. 9 is a schematic structural diagram of a receiving end communication device according to Embodiment 7 of the present invention. detailed description
  • the technical solution described in the embodiment of the present invention is applied before the "slice reassembly" of the IP layer; that is, the embodiment of the present invention processes the IP packets that are not fragmented.
  • the following embodiments are used to improve the TCP throughput rate and improve the tolerance of the radio bearer to the packet loss of the transmission network.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • an implementation flow of an end-to-end network QoS control method according to Embodiment 1 of the present invention relates to a data sending end, including the following steps:
  • the IP data packet to be sent is subjected to traffic classification on the transmitting end, where the traffic classification includes determining IP data packets configured with the same traffic classification mark as the same data flow.
  • the foregoing traffic classification identifier includes a SIP (Session Initiazation Protocol, Session Initiation Protocol) parameters, DIP (Dynamic Inspection Protocol) parameters, PT (payload type) parameters, TOS (Service Type, Terms of Service) parameters. That is, packets with the same ⁇ SIP, DIP, PT, TOS ⁇ can be divided into one type of stream. The same class of flows will flow into the same processing module.
  • SIP Session Initiazation Protocol
  • Session Initiation Protocol Session Initiation Protocol
  • DIP Dynamic Inspection Protocol
  • PT payload type
  • TOS Service Type, Terms of Service
  • the traffic classification can be configured, and can be switched, and the granularity of the flow can be configured, and the following manners are respectively adopted:
  • the ⁇ SIP, DIP, TOS ⁇ field in the IP header in the sent packet will be filled with corresponding values according to different flows. If the TOS is not classified as a traffic class, the TOS value of the sent packet can be configured or specified by default (all 0s).
  • step S102 the payloacK payload of the IP packet belonging to the same data stream is packet-multiplexed.
  • packet multiplexing combines multiple packets of the same stream into one.
  • a multiplex header is used to indicate different message blocks in the payload.
  • the ⁇ SIP, DIP, PT, TOS ⁇ of the multiplexed message is retained and filled in the finally transmitted message.
  • a multiplex header is added to the message to isolate each original block and contains part of the information (such as length) of the original packet.
  • the number of multiplexed packets is related to the expected network packet loss rate. For example, a 1% packet loss rate requires about 100 packet multiplexing.
  • Mode of multiplexing the header 1 Configure an independent multiplexing header in front of each of the message blocks, and then concatenate them. :3 ⁇ 4 port is shown in the table below:
  • the message is parsed in a serial manner.
  • Multiplex header mode 2 The different message blocks are concatenated, and a unified multiplexing header is configured for the concatenated message blocks, as shown in the following table:
  • each sub-block can be quickly found according to the unified header.
  • PMTU Path Maximum Transmission Unit
  • step S103 the payload subjected to packet multiplexing is FEC-encoded to obtain an encoded data block.
  • the strength of the redundancy coding is related to the expected packet loss rate of the network. For example, a 1% packet loss rate is encoded with 10% error correctable decoding capability.
  • the manner of FEC coding is not limited, and it should be included in the scope of protection of the present invention as long as it meets the requirements.
  • RS coding is taken as an example.
  • the coding of the RS decoding capability is selected by more than 5 times the packet loss rate of the bearer network. Taking the RS coding of (255, 239) as an example, the bit error rate with a bit error rate of 6.25% can be decoded. Therefore, the (255, 239) code can be used for the bearer network coding with a packet loss rate of 1% to resist packet loss. .
  • the data block will be larger than the multiplexed data block. The entire data block after encoding, as a whole, enters the interleaving module below.
  • step S104 the encoded data block is subjected to data block interleaving processing to obtain an interleaved message.
  • the step of interleaving the encoded data block includes performing interleaving processing in units of bit Bits, and using the encoded data block as an interleaver depth. Specifically: the entire data block after the FEC processing is scrambled. The main purpose is to completely disrupt all the bits. In the case of packet loss in the bearer network, in the de-interleaved data, the bits lost by the packet can be distributed in the entire FEC coded data block.
  • step S105 the interleaved packet is packet-encapsulated, and the IP packet is sent to the transmission network, so that the receiving end receives and reassembles the IP packet, and obtains the reassembled payload. Performing deinterleaving and FEC decoding on the reassembled payload.
  • the interleaved packet is encapsulated and encapsulated, and the IP header, the UDP header, and the packet header are added to form an IP packet to be sent.
  • the IP packet can be IP packetized and sent to the transport network.
  • data packetization and IP fragmentation can be combined, that is, when the packet is packetized, the end-to-end PMTU is sub-packaged to avoid the delay caused by fragmentation reorganization and the transmission efficiency caused by fragmentation.
  • a large data block is formed.
  • a data block with a size of 100Kbyte after multiplexing, after encoding and interleaving, will reach a size of about 120Kbytes.
  • the Payload packetization module is used to perform packetization and encapsulation on the interleaved packet, and the Payload packetization module is responsible for the 120Kbyte data block according to "PMTU-IP header length - UDP header length - packet header The length of the length is divided into small data blocks. Each small block will be sent as an IP packet.
  • the SIP, DIP, and TOS in the IP header are derived from the configuration of the traffic classification.
  • the remaining fields are populated in the standard IP format.
  • the PT field is padded with UDP.
  • the SIP and DIP of the UDP header are used as the port number.
  • Other domains are standard IP mode is filled.
  • the packet header has the following format:
  • Total Length is the size of the entire data block after interleaving.
  • the SN is the starting position of the block of data in the entire block of data.
  • the transmission efficiency is improved by dividing the large data block formed after the coding interleaving into small data blocks.
  • the end-to-end network QoS control method provided by the embodiment of the present invention performs network interleaving processing and corresponding demodulation and deinterleaving by performing forward error correction encoded data, thereby implementing network packet loss suppression and greatly improving Internet application. quality. Especially in the TCP transmission scenario, since there is no need to reduce packet retransmission and slowdown, the TCP throughput rate is greatly improved and the data transmission quality is improved.
  • Embodiment 2
  • an implementation flow of an end-to-end network QoS control method according to Embodiment 2 of the present invention relates to a data receiving end, which includes the following steps:
  • step S201 at the receiving end, receiving an IP packet, wherein the IP packet is obtained by packet multiplexing, FEC encoding, and interleaving by the transmitting end; and recording the "3 ⁇ 4" of the IP packet
  • the flow classification is marked as " ⁇ .
  • the reassembling the user data in the IP packet includes: assembling a plurality of the IP packet files into a complete payload according to the packet header information in the IP packet.
  • the flow classification flag of each flow may be recorded, including ⁇ SIP, DIP, PT, TOS ⁇ of the IP header, for reorganizing the user data in the flow.
  • the flow classification tag of the header After receiving the message, record the flow classification tag of the header. The message is concatenated according to the totallength and SN in the packet header.
  • the packet can be received according to a general IP packet receiving method. If fragmentation is carried out, Then the fragment is reorganized and transferred to the specified UDP (User Datagram Protocol) port. It can be understood that if the PMTU can be installed on the sender for packetization, the fragment will be reassembled at the sender.
  • UDP User Datagram Protocol
  • step S202 the packet header is reassembled to assemble a plurality of IP packets into a complete payload.
  • the data lost during the data transmission may be filled with random data.
  • a certain data block is not received within a specified time (preconfigurable, generally twice the delay of the bearer network), the data block is considered to be lost. Fill the lost bit with random data and fill this data block.
  • Data block N where data block 3 is a random padding caused by packet loss.
  • step S203 the reassembled payload is deinterleaved.
  • deinterleaving is an order in which the data blocks are reversed according to the interleaving algorithm, and the data blocks are changed back to the order in which they are not interleaved.
  • the form of the data block is similar to that shown in Figure 3. It can be seen that after de-interleaving, the randomly padded bits after the packet loss are dispersed at the respective small points of the entire big data block.
  • step S204 FEC decoding is performed on the deinterleaved payload.
  • decoding is performed using a standard FEC decoding method. Due to UDP and TCP Each has its own checksum checksum, so the decoded data block will be handed over to the application layer without verification. Guaranteed by the application layer is correct.
  • step S205 demultiplexing is performed according to the multiplexing header, and the flow classification flag is reconstituted into an IP header to obtain an IP data packet.
  • the ⁇ SIP, DIP, PT, TOS ⁇ of the pre-recorded stream can be reconstituted into an IP header to obtain an IP packet.
  • the step of performing demultiplexing according to the multiplexing head is specifically: after receiving the FEC error-corrected decoded data block, using the multiplexing header therein, recovering each sub-message. After populating the corresponding IP headers, submit them to the various applications on the application layer.
  • step S206 may be further included, and the IP data packet is sent to the corresponding target application layer.
  • the end-to-end network QoS control method provided by the embodiment of the present invention performs network interleaving processing and corresponding demodulation and deinterleaving by performing forward error correction encoded data, thereby implementing network packet loss suppression and greatly improving Internet application. quality.
  • the TCP throughput rate is greatly improved and the data transmission quality is improved.
  • FIG. 4 is a schematic structural diagram of a communication device according to an embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are shown.
  • the communication device includes a stream classification module 101, a packet multiplexing module 102, an encoding processing module 103, an interleaving module 104, and a packet encapsulation module 105.
  • the communication device may be a software unit, a hardware unit, or a combination of hardware and software.
  • the communication device can be used as a data transmission end in the QoS control method in the embodiment shown in FIG. 1 and FIG. 2, and can be an RNC.
  • the traffic classification module 101 is configured to perform traffic classification on the Internet Protocol IP data packet to be sent, where the traffic classification includes determining, as the same data flow, an IP data packet configured with the same traffic classification identifier.
  • the packet multiplexing module 102 is configured to perform packet multiplexing on the payload payload of the IP data packet belonging to the same data stream.
  • the encoding processing module 103 is configured to perform forward error correction FEC encoding on the payload that has undergone packet multiplexing, to obtain an encoded data block.
  • the interleaving module 104 is configured to perform data block interleaving processing on the encoded data block to obtain a woven message.
  • the packet encapsulation module 105 is configured to perform packetization and encapsulation on the interleaved packet, and form an IP packet packet to be sent to the transmission network, so that the receiving end receives and reassembles the IP packet packet, and obtains the reassembled payload. De-interleaving and FEC decoding of the reassembled payload.
  • the flow classification module 101 may be specifically configured to determine an IP data packet that is configured with the same session initiation protocol parameter SIP, dynamic monitoring protocol parameter DIP, payload type parameter PT, and service type parameter TOS. For the same data stream.
  • the packet multiplexing module 102 may be specifically configured to add a multiplexing header to the payload, where the multiplexing header is used to indicate different >3 ⁇ 4 text blocks in the payload.
  • the packet multiplexing module may be further configured to: configure an independent multiplexing header in front of each of the message blocks, and serially connect the message blocks of the independent multiplexing header; or, serially connect the different A message block, and a unified multiplexing header is configured for the concatenated message block.
  • the packet multiplexing module may be further configured to: retain, in a packet multiplexed payload, a flow parameter of the IP data packet, where the flow parameter includes ⁇ SIP, DIP, PT, TOS ⁇ .
  • the packet encapsulation module may be specifically configured to perform packetization by using an end-to-end path maximum transmission unit PMTU.
  • the interleaving module may be specifically configured to perform interleaving processing by using a bit Bit as a unit, and using the encoded data block as an interleaver depth.
  • the end-to-end network QoS control method provided by the embodiment of the present invention performs network interleaving processing and corresponding demodulation and deinterleaving by performing forward error correction encoded data, thereby implementing network packet loss suppression and greatly improving Internet application. quality. Especially in the TCP transmission scenario, since there is no need to lose packet retransmission and slow down, the TCP throughput rate is greatly improved, and the data transmission quality is improved.
  • Embodiment 4
  • FIG. 5 is a schematic structural diagram of a communication device according to an embodiment of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown.
  • the communication device includes: a fragment reassembly module 201, an assembly module 202, a deinterleave module 203, a decoding module 204, a demultiplexing module 205, and a sending module 206.
  • the communication device may be a software unit, a hardware unit or a unit combining software and hardware.
  • the communication device can be used as a data receiving end in the QoS control method in the embodiment shown in FIG. 1 and FIG. 2, and can be a Node B.
  • the fragment reassembly module 201 is configured to receive an IP packet, where the IP packet is obtained by packet multiplexing, FEC encoding, and interleaving, and records a flow classification of the header of the IP packet. mark.
  • the flow classification flag includes a session initiation protocol parameter SIP, a dynamic monitoring protocol parameter DIP, a payload type parameter PT, and a service type parameter TOS.
  • the assembling module 202 is configured to reassemble user data in the IP packet according to the flow classification flag, and obtain a reassembled payload.
  • the deinterleaving module 203 is configured to perform deinterleaving on the reassembled payload.
  • the decoding module 204 is configured to perform FEC decoding processing on the deinterleaved payload.
  • the demultiplexing module 205 is configured to demultiplex the decoded payload, and reconstitute the stream classification tag into an IP header to obtain an IP data packet.
  • a sending module 206 is further included for transmitting the reacquired IP data packet to the corresponding target application layer.
  • the fragment reassembly module 201 is specifically configured to: perform fragmentation and reassembly on the IP packet, and forward the packet obtained by fragment reassembly to a specified user data packet protocol UDP port. .
  • the fragment reassembly module 201 may be further configured to assemble a plurality of the IP packet files into a complete payload according to the packet header information in the IP packet message. In the process of fragment reassembly, if data packet loss occurs, random data can be used to fill the bits lost during data transmission.
  • the communication device shown in the embodiment of FIG. 4 and FIG. 5 can cooperate with the end-to-end network QoS control method shown in the embodiment of FIG. 1 and FIG. 2, and the detailed function description of each module can refer to the method embodiment. The relevant content will not be described here.
  • the end-to-end network QoS control method provided by the embodiment of the present invention performs network interleaving processing and corresponding demodulation and deinterleaving by performing forward error correction encoded data, thereby implementing network packet loss suppression and greatly improving Internet application. quality. Especially in the TCP transmission scenario, since there is no need to reduce packet retransmission and slowdown, the TCP throughput rate is greatly improved and the data transmission quality is improved.
  • Embodiment 5
  • FIG. 7 is an end-to-end network QoS control system according to Embodiment 5 of the present invention.
  • the system includes: a transmitting end communication device 100 and a receiving end communication device 200.
  • the transmitting end communication device 100 is configured to perform traffic classification on the network protocol IP data packet to be sent, and perform packet multiplexing on the payload payload of the IP data packet belonging to the same data stream;
  • the payload performs forward error correction FEC encoding to obtain the encoded data block;
  • the encoded data block is subjected to data block interleaving processing to obtain an interleaved packet;
  • the interleaved packet is packet-encapsulated, Forming an IP packet message and transmitting it to the transmission network;
  • a receiving end communication device 200 configured to receive the IP packet message from the transport network; record a flow classification flag of a header of the IP packet message, and reassemble the IP packet according to the flow classification flag User data, obtaining a reassembled payload; deinterleaving the reassembled payload; performing FEC decoding processing on the deinterleaved payload; demultiplexing the decoded payload, and decoding the stream
  • the classification tag reconstitutes the IP header to obtain the user IP packet.
  • the transmitting end communication device 100 may be the communication device in the embodiment shown in FIG. 4, and the receiving end communication device 200 may be the communication device in the embodiment shown in FIG. 5, which may be executed in the embodiment shown in FIG. 1 or FIG.
  • the communication device provided in Embodiment 6 of the present invention includes: a processor 61, a memory 62, and a network interface 63. among them,
  • the processor 61 is configured to execute a program.
  • the program may include program code, the program code including computer operating instructions.
  • Processor 61 may be a central processing unit CPU or one or more integrated circuits configured to implement embodiments of the present invention.
  • the memory 62 is used to store a program.
  • Memory 62 may include random access memory and may also include non-volatile memory.
  • the network interface 63 is configured to send the IP packet to be sent to the transport network.
  • the network interface is a network card.
  • the processor 61 performs the following method:
  • the payload payload is subjected to packet multiplexing; the payload of the packet multiplexing is subjected to forward error correction FEC encoding to obtain a coded data block; and the encoded data block is subjected to data block interleaving processing to obtain an interleaved
  • the packet is encapsulated and encapsulated, and the IP packet is sent to the transmission network, so that the receiving end receives and reassembles the IP packet, and obtains the reassembled payload.
  • the reassembled payload is deinterleaved and FEC decoded.
  • Example 7 And network interface 73. among them,
  • the processor 71 is configured to execute a program.
  • the program may include program code, the program code including computer operating instructions.
  • Processor 71 may be a central processing unit CPU or one or more integrated circuits configured to implement embodiments of the present invention.
  • the memory 72 is used to store a program.
  • Memory 72 may include random access memory and may also include non-volatile memory.
  • the network interface 73 is configured to receive a packet sent by the sending device.
  • the network interface may be a network card.
  • the processor 71 performs the following method:
  • IP packet message Receiving an IP packet message, wherein the IP packet message is obtained by packet multiplexing, FEC encoding, and interleaving processing by the transmitting end; recording a traffic classification flag of a header of the IP packet packet; and according to the traffic classification flag, Recombining the user data in the IP packet message, acquiring the reassembled payload; deinterleaving the reassembled payload; performing FEC decoding processing on the deinterleaved payload; performing the decoded information problem Demultiplexing, and re-forming the stream classification tag into an IP header to obtain an IP packet.
  • the processor 71 can further transmit the reacquired IP data packet to the target application layer.
  • the embodiment of the present invention implements network packet loss suppression by using interleaving and FEC, and greatly improves the quality of Internet applications.
  • TCP transmission scenario TCP throughput is greatly improved because packet loss retransmission and slowdown are not required.

Abstract

La présente invention est applicable au domaine technique des communications, et décrit un procédé de commande de QOS de réseau de bout en bout. Le procédé comprend les étapes suivantes : conduite d'une classification de flux sur un groupage IP à envoyer à une extrémité d'envoi; conduite d'un multiplexage de paquets sur le bloc de données total de la même classe de flux après classification; conduite d'un traitement de codage de redondance FEC sur le bloc de données multiplexé total; entrelacement du bloc de données codé; et conduite d'une encapsulation de sous-groupe du bloc de données entrelacées pour former un paquet de groupage IP à envoyer à un réseau de transmission. Au moyen de la solution technique fournie dans les modes de réalisation de la présente invention, une suppression de perte de paquets de réseaux peut être réalisée, et la qualité de transmission de données peut être améliorée.
PCT/CN2014/073170 2014-03-11 2014-03-11 Système de commande de qos de réseau de bout en bout, dispositif de communication et procédé de commande de qos de réseau de bout en bout WO2015135120A1 (fr)

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PCT/CN2014/073170 WO2015135120A1 (fr) 2014-03-11 2014-03-11 Système de commande de qos de réseau de bout en bout, dispositif de communication et procédé de commande de qos de réseau de bout en bout
CN201480000121.4A CN103975551B (zh) 2014-03-11 2014-03-11 端到端的网络QoS控制系统、通信设备和端到端的网络QoS控制方法

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CN115225593A (zh) * 2022-06-30 2022-10-21 中科驭数（北京）科技有限公司 分片报文重组方法、装置、设备和介质

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