WO2022262944A1 - Procédé et dispositif d'envoi pour transmettre des paquets de données d'un fichier de données sur une connexion réseau - Google Patents

Procédé et dispositif d'envoi pour transmettre des paquets de données d'un fichier de données sur une connexion réseau Download PDF

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Publication number
WO2022262944A1
WO2022262944A1 PCT/EP2021/066011 EP2021066011W WO2022262944A1 WO 2022262944 A1 WO2022262944 A1 WO 2022262944A1 EP 2021066011 W EP2021066011 W EP 2021066011W WO 2022262944 A1 WO2022262944 A1 WO 2022262944A1
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WO
WIPO (PCT)
Prior art keywords
packet
drop precedence
computer
implemented method
sending device
Prior art date
Application number
PCT/EP2021/066011
Other languages
English (en)
Inventor
Reuven Cohen
Ben-Shahar BELKAR
Tal Mizrahi
Original Assignee
Huawei Technologies Co., Ltd.
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.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to PCT/EP2021/066011 priority Critical patent/WO2022262944A1/fr
Priority to CN202180099292.7A priority patent/CN117480767A/zh
Publication of WO2022262944A1 publication Critical patent/WO2022262944A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/31—Flow control; Congestion control by tagging of packets, e.g. using discard eligibility [DE] bits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2466—Traffic characterised by specific attributes, e.g. priority or QoS using signalling traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/32—Flow control; Congestion control by discarding or delaying data units, e.g. packets or frames
    • H04L47/323—Discarding or blocking control packets, e.g. ACK packets

Definitions

  • the disclosure relates to a computer-implemented method for transmitting one or more data packets of a data file over a network connection more particularly, the disclosure relates to a sending device for transmitting the one or more data packets of the data file over the network connection.
  • the application of “transaction completion time” is the most important key performance indicator (KPI) for the services provided by the network services.
  • KPI key performance indicator
  • the transaction completion time provides the information on how much time has been elapsed between the time that the application at the sending device submits the to-be-transmitted packet to the packet transport layer and the time that the whole packet is completely delivered to the receiving device.
  • the transaction completion time depends on many parameters, such as the congestion of the network, the performance level of the congestion protocols, the speed of identification of the packet loss according to the packet transport protocol at the sending device end and the speed of retransmitting the lost packets. As seen in the exemplary prior art view of FIG. 1, a reliable transport protocol for data packets is showcased.
  • Reliable transport protocols for data packets such as but not limited to, transmission control protocol (TCP), quick UDP internet connection (QUIC), remote direct memory access (RDMA), ensure that all the data packets sent are received correctly on the receiving device end.
  • TCP transmission control protocol
  • QUIC quick UDP internet connection
  • RDMA remote direct memory access
  • the first retransmission is more important than regular data packets
  • the second retransmission is more important than the first retransmission
  • so on a retransmission is not more important than a regular data packet because each loss has the same penalty.
  • the receiving device may send an acknowledge message (ACK), a negative acknowledge message (NACK), a selective acknowledge message (SACK) to the sending device.
  • ACK acknowledge message
  • NACK negative acknowledge message
  • SACK selective acknowledge message
  • the present disclosure aims to improve the performance of existing systems or technologies in the transmitting of one or more data packets of a data file, over a network connection.
  • the disclosure provides a computer-implemented method for transmitting one or more data packets of a data file over a network connection.
  • the disclosure also provides a sending device for transmitting one or more data packets of a data file over a network connection.
  • a computer-implemented method for transmitting one or more data packets of a data file over a network connection includes identifying one or more significant packets that are significant to network and/or connection performance.
  • the method includes determining a drop precedence for each packet.
  • the method includes assigning the drop precedence in a header field of each packet. A high drop precedence indicates that the packet has a smaller probability of being dropped by a network device in high traffic conditions, compared with a low drop precedence. Assigning the drop precedence includes assigning a high drop precedence for each significant packet.
  • the computer-implemented method ensures that important data packets may have a higher probability of being successfully delivered without being dropped in the network connection than regular data packets.
  • the computer-implemented method assigns the drop precedence including assigning the high drop precedence for each significant packet, thereby reducing the probability that the packet is dropped during transmit.
  • the computer-implemented method employs a transport layer (L4) protocol that can indicate the drop precedence to an intermediate device operating in L2 or L3 in order to improve performance.
  • L4 protocol transport layer
  • the computer-implemented method uses only information that is available at a sending device of a reliable transmission protocol without any hints from an application.
  • the computer-implemented method can be applied to any reliable transmission protocol (e.g. Go-back-N, or Selective-Repeat), but its improvement is bigger for selective-repeat.
  • the computer-implemented method may be integrated into any existing recovery loss protocol.
  • the future remote direct memory access (or any protocol) and storage protocol may use a protocol for reliable data transmission in loss-prone networks.
  • the computer- implemented method expedites the completion time of the flow by utilizing the network resources in the best possible manner.
  • the computer-implemented method includes identifying a network connection packet as a significant packet and assigning a high drop precedence for the network connection packet.
  • the network connection packet is one of a connection setup packet, a packet that contains metadata information and a connection tear down packet.
  • the computer- implemented method includes identifying a packet related to retransmission as a significant packet and assigning a high drop precedence for the packet related to retransmission. Another advantage of the computer-implemented method is that a protocol for reliable data packet delivery decides the importance of the data packet and assigns the high drop precedence for the data packet. The assigning of the high drop precedence can reduce a time taken to deliver a whole data file from the sending device to a receiving device.
  • the packet related to retransmission may be one of an acknowledgement message packet, and a retransmitted data packet.
  • the computer-implemented method includes identifying an end of stream packet as a significant packet and assigning a high drop precedence for the end of stream packet.
  • the computer-implemented method includes maintaining a congestion control scheme for each drop precedence level, and assigning a new packet with a specific drop precedence only if the congestion control scheme allows that.
  • the assigned drop precedence may indicate one of three or more drop precedence levels.
  • determining the drop precedence for each packet is performed in a transport layer of the sending device.
  • the computer-implemented method enables the sending device to decide the precedence of the data packet being sent.
  • a computer readable medium is configured to store instructions which, when executed by a processor, cause the processor to execute the above method.
  • a sending device is used for transmitting one or more data packets of a data file over a network connection.
  • the sending device includes a processor configured to perform the above method.
  • the sending device assigns the drop precedence including assigning the high drop precedence for each significant packet, thereby reducing the probability that the packet will be dropped during transmit.
  • the sending device employs a transport layer (L4) protocol that can indicate the drop precedence to an intermediate device operating in L2 or L3 in order to improve performance.
  • L4 protocol transport layer
  • the sending device uses only information that available at the sending device of a reliable transmission protocol without any hints from an application.
  • a precedence value is set for all the data packets, to ensure a safe transmit of important data packets.
  • the method enables important data packets to have a higher probability than regular data packets to be successfully delivered.
  • the method enables the drop probability to be assigned in the header field of the data file to be easily read by the network intermediate devices (switches).
  • the computer-implemented method may be integrated into any existing recovery loss protocols.
  • the future remote direct memory access (or any protocol) and storage protocol may use a protocol for reliable data transmission in loss prone networks.
  • FIG. 1 is an exemplary view of data packet transmission from a sending device to a receiving device according to prior art
  • FIG. 2 is a block diagram of a sending device for transmitting one or more data packets of a data file over a network connection in accordance with an implementation of the disclosure
  • FIG. 3 is an exemplary view that illustrates a drop probability of data packets during transmission between a sending device and a receiving device, in accordance with an implementation of the disclosure
  • FIG. 4 is a flow diagram that illustrates a computer-implemented method for transmitting one or more data packets of a data file over a network connection in accordance with an implementation of the disclosure.
  • FIG. 5 is an illustration of a computer system (e.g. a sending device) in which the various architectures and functionalities of the various previous implementations may be implemented.
  • DETAILED DESCRIPTION OF THE DRAWINGS e.g. a sending device
  • Implementations of the disclosure provide a computer-implemented method for transmitting one or more data packets of a data file over a network connection. Implementations of the disclosure provide a sending device for transmitting the one or more data packets of the data file over the network connection.
  • a process, a method, a system, a product, or a device that includes a series of steps or units is not necessarily limited to expressly listed steps or units but may include other steps or units that are not expressly listed or that are inherent to such process, method, product, or device.
  • FIG. 2 illustrates a block diagram of a sending device 202 for transmitting one or more data packets of a data file over a network connection in accordance with an implementation of the disclosure.
  • the sending device 202 includes a processor 204 that transmits the one or more data packets of the data file over the network connection.
  • the processor 204 identifies one or more significant packets that are significant to network and/or connection performance.
  • the processor 204 determines a drop precedence for each packet.
  • the processor 204 assigns the drop precedence in a header field of each packet. A high drop precedence assigned by the processor 204 indicates that the packet has a smaller probability of being dropped by a network device in high traffic conditions as compared with a low drop precedence.
  • Drop precedence is assigned by assigning a high drop precedence for each significant packet.
  • the sending device 202 assigns the drop precedence including assigning the high drop precedence for each significant packet, thereby reducing the probability that the packet is dropped during transmit.
  • the sending device 202 may identify one or more significant packets that are necessary, for example, to reduce a transmission time of the data file and/or increase a throughput of the network connection and/or to optimize any other key performance indicator of the network.
  • the sending device 202 employs a transport layer (L4) protocol that can indicate the drop precedence to an intermediate device operating in L2 or L3 in order to improve performance.
  • the sending device 202 uses only information that available at the sending device 202 of a reliable transmission protocol without any hints from an application.
  • the sending device 202 employs a protocol for reliable data packet delivery, which decides the importance of the data packet and assigns a precedence to the data packet.
  • the sending device 202 by assigning precedence can reduce a time taken to deliver the whole data file from the sending device 202 to receiving device.
  • the processor 204 identifies a network connection packet as a significant packet and assigns a high drop precedence for the network connection packet.
  • the network connection packet may be one of a connection setup packet.
  • the packet may contain metadata information and a connection tear down packet.
  • the processor 204 identifies a packet related to a retransmission as a significant packet and assigns a high drop precedence for the packet related to retransmission.
  • the packet related to the retransmission may be one of an acknowledgement message packet, and a retransmitted data packet.
  • the processor 204 identifies an end of stream packet as a significant packet and assigns a high drop precedence for the end of stream packet.
  • the processor 204 maintains a congestion control scheme for each drop precedence level and assigns a new packet with a specific drop precedence only if the congestion control scheme allows that.
  • the assigned drop precedence may indicate one of three or more drop precedence levels.
  • the processor 204 may determine the drop precedence for each packet is performed in a transport layer of the sending device 202.
  • the header field may be one of, but not limited to, IP header, Ethernet header, Multiprotocol Label Switching (MPLS) header.
  • the sending device 202 may decide the precedence value of a data packet based on, but not limited to, whether the data packet is retransmitted or not, a receiving device’s window length, how close the packet is to the end of the receiving stream.
  • Network switches that read the precedence value in the header field of every data packet are used to differentiate between drop precedence. The network switches have several ways to ensure lower drop probability for data packets with high drop precedence, as compared to data packets with low or normal drop precedence.
  • the sending device 202 assigns a minimum of two different drop precedence to every data packet.
  • the processor 204 assigns the drop precedence in such a manner that data packets with the high drop precedence indicate a smaller probability of being dropped by the network connection as compared to a data packet with the low drop precedence.
  • the high drop data packets are less likely to be dropped by a switch or a router during events of congestion.
  • the sending device 202 can easily detect a data packet by using a network sniffer and inspect the data packet’ s header for details.
  • the sending device 202 sends data packets using a reliable transport to a receiving device.
  • the sending device 202 may be selected from a mobile phone, a Personal Digital Assistant (PDA), a tablet, a desktop computer, a server, or a laptop.
  • PDA Personal Digital Assistant
  • FIG. 3 is an exemplary view that illustrates a drop probability of data packets during transmission between a sending device 302 and a receiving device 304, in accordance with an implementation of the disclosure.
  • the sending device 302 transmits one or more data packets (e.g. data packets 1 to 8) of a data file over a network connection to the receiving device 304.
  • the receiving device 304 may receive the one or more data packets from the sending device 302, except a data packet 2.
  • the sending device 302 assigns it a better (e.g. smaller) drop probability.
  • a receiver For selective-repeat, for each retransmitted packet, if a receiver’s window (bitmap) is not larger than 1 bandwidth-delay product (BPD).
  • BPD bandwidth-delay product
  • the selective-repeat process can be significantly improved by assigning precedence to data packets and may apply to any reliable transmission protocol such as, but not limited to Go-back-N protocol or selective-repeat protocol.
  • the sending device 302 takes into account considerations for deciding the drop probability to be assigned to each data packet.
  • the one or more data packets belonging to last BDP of a stream may be assigned a smaller drop probability.
  • the drop probability assigned to the data packet may be adjusted to a high precedence value.
  • the loss of data packet 2 does not delay the completion time, while loss of a data packet 10 delays completion time by round trip time (RTT).
  • the one or more data packets (e.g. data packets 1 to 8) sent by the sending device 302, in the beginning, may include metadata information.
  • the one or more data packets (e.g. data packets 9 to 11) sent by the sending device 302 towards an end may decide the round trip time (RTT), as a delay in the delivery of the last data packets delays the completion time by retransmission timeout (RTO).
  • RTO retransmission timeout
  • the sending device 302 end, if there is a process of network connection establishment, all the data packets sent during this process are assigned as high-drop precedence. For example, in transmission control protocol (TCP) process includes three data packets, two of these data packets are assigned high drop precedence.
  • TCP transmission control protocol
  • the sending device 302 sends a first data packet of a transaction, including important meta-data.
  • the first data packet sent by the sending device 302 contains important metadata and assigns as high drop precedence.
  • each retransmitted data packets along with the one or more data packets transmitted during a last RTT are assigned a high drop precedence value.
  • the sending device 302 or the receiving device 304 demolish a network connection before setting another network connection, and the network connection demolished messages are assigned high drop precedence.
  • the sending device 302 takes into account congestion control information for each drop precedence level.
  • acknowledge message ACK
  • NACK negative acknowledge message
  • SACK selective acknowledge message
  • ACK acknowledge message
  • the sending device 302 and the receiving device 304 are limited in the number of data packets which can be assigned as high drop precedence.
  • the sending device 302 takes into account congestion control information.
  • FIG. 4 is a flow diagram that illustrates a computer-implemented method for transmitting one or more data packets of a data file over a network connection in accordance with an implementation of the disclosure.
  • a step 402 one or more significant packets that are significant to network and/or connection performance.
  • a drop precedence for each packet is determined.
  • the drop precedence in a header field of each packet is assigned.
  • a high drop precedence indicates that the packet has a smaller probability of being dropped by a network device in high traffic conditions, compared with a low drop precedence.
  • Assigning of drop precedence includes assigning a high drop precedence for each significant packet.
  • the computer-implemented method ensures that important data packets may have a higher probability of being successfully delivered without being dropped in the network connection than regular data packets.
  • the computer-implemented method assigns the drop precedence including assigning the high drop precedence for each significant packet, thereby reducing the probability that the packet is dropped during transmit.
  • the computer-implemented method employs a transport layer (L4) protocol that can indicate the drop precedence to an intermediate device operating in L2 or L3 in order to improve performance.
  • L4 protocol transport layer
  • the computer-implemented method uses only information that available at a sending device of a reliable transmission protocol without any hints from an application.
  • the computer-implemented method is applicable to any reliable transmission protocol (e.g. Go-back-N, or Selective-Repeat), but its improvement is bigger for selective-repeat.
  • the computer-implemented method may be integrated into any existing recovery loss protocols.
  • the future remote direct memory access (or any protocol) and storage protocol may use a protocol for reliable data transmission in loss-prone networks.
  • the computer-implemented method expedites the completion time of the flow by utilising the network resources in the best possible manner.
  • the computer-implemented method includes identifying a network connection packet as a significant packet and assigning a high drop precedence for the network connection packet.
  • the network connection packet is one of a connection setup packet, a packet that contains metadata information and a connection tear down packet.
  • the computer-implemented method includes identifying a packet related to retransmission as a significant packet and assigning a high drop precedence for the packet related to retransmission.
  • the computer-implemented method is that a protocol for reliable data packet delivery decides the importance of the data packet and assigns the high drop precedence for the data packet.
  • the assigning of the high drop precedence can reduce a time taken to deliver a whole data file from the sending device to a receiving device.
  • the packet related to retransmission may be one of an acknowledgement message packet and a retransmitted data packet.
  • the computer-implemented method includes identifying an end of stream packet as a significant packet and assigning a high drop precedence for the end of stream packet.
  • the computer-implemented method includes maintaining a congestion control scheme for each drop precedence level and assigning a new packet with a specific drop precedence only if the congestion control scheme allows that.
  • the assigned drop precedence may indicate one of three or more drop precedence levels.
  • determining the drop precedence for each packet is performed in a transport layer of the sending device.
  • the computer-implemented method enables the sending device to decide the precedence of the data packet being sent.
  • a computer readable medium is configured to store instructions which, when executed by a processor, cause the processor to execute the above method.
  • FIG. 5 is an illustration of a computer system (e.g. a sending device) 500 in which the various architectures and functionalities of the various previous embodiments may be implemented.
  • the system 500 includes at least one processor 504 that is connected to a sending device 502, wherein the system 500 may be implemented using any suitable protocol, such as Peripheral Component Interconnect (PCI), PCI-Express, AGP (Accelerated Graphics Port), Hyper-Transport, or any other bus or point-to-point communication protocol (s).
  • PCI Peripheral Component Interconnect
  • PCI-Express PCI-Express
  • AGP Accelerated Graphics Port
  • Hyper-Transport or any other bus or point-to-point communication protocol (s).
  • the system 500 also includes a memory 506.
  • Control logic (software) and data are stored in the memory 506 which may take a form of random-access memory (RAM).
  • RAM random-access memory
  • a single semiconductor platform may refer to a sole unitary semiconductor-based integrated circuit or chip. It should be noted that the term single semiconductor platform may also refer to multi-chip modules with increased connectivity which simulate on-chip modules with increased connectivity which simulate on- chip operation, and make substantial improvements over utilizing a conventional central processing unit (CPU) and bus embodiment. Of course, the various modules may also be situated separately or in various combinations of semiconductor platforms.
  • the system 500 may also include a secondary storage 510.
  • the secondary storage 510 includes, for example, a hard disk drive and a removable storage drive, representing a floppy disk drive, a magnetic tape drive, a compact disk drive, digital versatile disk (DVD) drive, recording device, universal serial bus (USB) flash memory.
  • the removable storage drive at least one of reads from and writes to a removable storage unit in a well-known manner.
  • Computer programs, or computer control logic algorithms may be stored in at least one of the memory 506 and the secondary storage 510. Such computer programs, when executed, enable the system 500 to perform various functions as described in the foregoing.
  • the memory 506, the secondary storage 510, and any other storage are possible examples of computer-readable media.
  • the architectures and functionalities depicted in the various previous figures may be implemented in the context of the processor 504, a graphics processor coupled to a communication interface 512, an integrated circuit (not shown) that is capable of at least a portion of the capabilities of both the processor 504 and a graphics processor, a chipset (namely, a group of integrated circuits designed to work and sold as a unit for performing related functions, and so forth).
  • system 500 may take the form of a desktop computer, a laptop computer, a server, a workstation, a game console, an embedded system.
  • the system 500 may take the form of various other devices including, but not limited to a personal digital assistant (PDA) device, a mobile phone device, a smart phone, a television, and so forth. Additionally, although not shown, the system 500 may be coupled to a network (for example, a telecommunications network, a local area network (LAN), a wireless network, a wide area network (WAN) such as the Internet, a peer-to-peer network, a cable network, or the like) for communication purposes through an I/O interface 508.
  • a network for example, a telecommunications network, a local area network (LAN), a wireless network, a wide area network (WAN) such as the Internet, a peer-to-peer network, a cable network, or the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne un procédé implémenté par ordinateur pour transmettre un ou plusieurs paquets de données d'un fichier de données sur une connexion réseau. Le procédé consiste à identifier un ou plusieurs paquets importants qui sont importants pour le réseau et/ou la performance de connexion. Le procédé consiste à déterminer une préséance d'abandon pour chaque paquet. Le procédé consiste à attribuer la préséance d'abandon dans un champ d'en-tête de chaque paquet. Une préséance d'abandon élevée indique que la probabilité d'abandon du paquet par un dispositif de réseau dans des conditions de trafic élevées est inférieure à une préséance d'abandon faible. L'attribution de la préséance d'abandon consiste à attribuer une préséance d'abandon élevée pour chaque paquet important.
PCT/EP2021/066011 2021-06-15 2021-06-15 Procédé et dispositif d'envoi pour transmettre des paquets de données d'un fichier de données sur une connexion réseau WO2022262944A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2021/066011 WO2022262944A1 (fr) 2021-06-15 2021-06-15 Procédé et dispositif d'envoi pour transmettre des paquets de données d'un fichier de données sur une connexion réseau
CN202180099292.7A CN117480767A (zh) 2021-06-15 2021-06-15 用于通过网络连接传输数据文件的数据包的方法和发送设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2021/066011 WO2022262944A1 (fr) 2021-06-15 2021-06-15 Procédé et dispositif d'envoi pour transmettre des paquets de données d'un fichier de données sur une connexion réseau

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WO2022262944A1 true WO2022262944A1 (fr) 2022-12-22

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030231594A1 (en) * 2002-06-13 2003-12-18 Hua Xu Method and apparatus for enhancing the quality of service of a wireless communication
US20080019371A1 (en) * 2006-07-24 2008-01-24 Bellsouth Intellectual Property Corporation Methods, systems, and computer program products for marking data packets based on content thereof
US8203956B1 (en) * 2008-08-28 2012-06-19 Raytheon Bbn Technologies Corp. Method and apparatus providing a precedence drop quality of service (PDQoS)
WO2019108102A1 (fr) * 2017-11-30 2019-06-06 Telefonaktiebolaget Lm Ericsson (Publ) Traitement de paquet en fonction d'une valeur de paquet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030231594A1 (en) * 2002-06-13 2003-12-18 Hua Xu Method and apparatus for enhancing the quality of service of a wireless communication
US20080019371A1 (en) * 2006-07-24 2008-01-24 Bellsouth Intellectual Property Corporation Methods, systems, and computer program products for marking data packets based on content thereof
US8203956B1 (en) * 2008-08-28 2012-06-19 Raytheon Bbn Technologies Corp. Method and apparatus providing a precedence drop quality of service (PDQoS)
WO2019108102A1 (fr) * 2017-11-30 2019-06-06 Telefonaktiebolaget Lm Ericsson (Publ) Traitement de paquet en fonction d'une valeur de paquet

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