Abstract: A method for implementing an AF multipath policy. The method may be performed by a PCF and may include a step of transmitting a request message comprising a UE ID identifying a UE. The method also includes receiving a response message transmitted as a response to the request message, the response message comprising: the AF multipath policy, an application ID (App-ID) identifying an application, and an application protocol ID (App-ID-Protocol), identifying a protocol used by the application. The method further includes generating a multipath policy using at least: i) the AF multipath policy and ii) the App-ID-Protocol. The method further includes providing the generated multipath policy to a management function (e.g., SMF).

Abstract: Methods and apparatus are provided for content delivery. In one aspect, a method in a traffic monitor in a communications network comprises responsive to a notification that content is being delivered to a device from a content delivery network according to a data transfer policy, the notification including an indication of the data transfer policy, monitoring delivery of the content from the content delivery network to the device and, responsive to a detection that the delivery of the content violates the data transfer policy, performing a notification action.

Abstract: A technique for enabling exposure of information related to encrypted communication between a User Equipment, UE, and an application server in a mobile communication system is disclosed. A method implementation of the technique is performed by the UE and comprises establishing (S302) a communication channel with a network node of the mobile communication system, the communication channel being established as part of an application layer communication channel between the UE and the application server, wherein the network node acts as application layer proxy in the communication between the UE and the application server, and sending (S304) encrypted traffic through the communication channel to the network node for further delivery to the application server, wherein the communication channel is used to exchange supplemental information related to the encrypted traffic between the UE and the network node.

Abstract: Embodiments described herein relate to methods and apparatuses for providing communication between a server and a client device via a proxy node. A method, in a proxy node, wherein the proxy node includes an intermediate node between a server and a client device includes receiving encrypted traffic transmitted between the client device and the server; receiving a key from the client device; performing a service in relation to the encrypted traffic to generate information; encrypting the information using the key to generate encrypted information; and transmitting the encrypted information to the server.

Abstract: A first network node operating in a first communications network can receive a first message from a second network node operating in a second communications network. The first network node can further, responsive to receiving the first message, determine that the second network node is associated with a network operator that has a service-level agreement, SLA, with a content operator associated with the first network node. The first network node can further transmit a second message to the second network node, the second message including information based on the second node being associated with the network operator that has the SLA with the content operator. The information being associated with whether a subsequent message from a communication device associated with the second network node is to be transmitted to an origin server with an unencrypted server name indication, SNI.

Abstract: A method for deactivating Server Name Indication, SNI, encryption in a telecommunication network, wherein said telecommunication network comprises a Domain Name System, DNS, server, said method comprising the steps of receiving, by said DNS server, from a User Equipment, UE, a DNS query comprising a Domain Name to be converted to an Internet Protocol, IP, address, determining, by said DNS server, that SNI encryption is to be deactivated for subsequent traffic associated with said Domain Name, forwarding, by said DNS server, said DNS query to an external DNS server, wherein said DNS query comprises said Domain Name and a request for deactivating SNI encryption, receiving, by said DNS server, from said external DNS server, a DNS answer, wherein said DNS answer comprises said converted IP address and wherein said DNS answer is free from encryption keys for encrypting SNI and forwarding, by said DNS server, said DNS answer comprising said converted IP address to said UE, wherein said DNS answer is free from encry

Abstract: Method and device(s) for supporting estimation of latency over a communication path in a communication network between a data flow shaping node, providing a data flow in bursts towards a data flow target node, and a probe node. The devices(s) initiate to transmit, by the data flow shaping node, a sample burst being a burst of said bursts that differs in a predefined manner from preceding and subsequent bursts so that the data flow target node in response to the sample burst transmits a certain pattern of acknowledgement packets that differs compared to patterns of acknowledgement packets transmitted by the data flow target node in response to said preceding and subsequent bursts. The device(s) initiates to identify, by the probe node, receipt of potential acknowledgement packets according to said certain pattern.

Abstract: A network assistance node (300), a wireless device (302), a network node (304), an opposite node (306) and methods therein, for handling communication of data between the wireless device and the opposite node over a radio bearer in a cell. When detecting (3:2) that a potential data class is requested which tolerates a certain delay for delivering the data, the network assistance node obtains (3:5) from the network node availability of a potential data bearer dedicated for the potential data class, which availability is dependent on whether a cost related parameter associated with the wireless device fulfils a threshold condition. The network assistance node then reports (3.6) availability of the potential data class to the wireless device and the opposite node, indicating that the potential data bearer is available for data of the potential data class.

Abstract: There is provided mechanisms for enabling discovery of a collaborative proxy node in a 3GPP communication network. A method is performed by a network exposure function. The method comprises obtaining, from a content providing application function, a request for a cooperative performance enhancement service to be performed for application traffic between the application function and a user equipment, the cooperative performance enhancement service being performed by the cooperative performance enhancement node. The method comprises providing, upon having authorized the request, parameters as obtained in the request to a policy control function, thereby enabling discovery of the cooperative performance enhancement node.

Abstract: Method and device(s) for supporting estimation of latency over a communication path in a communication network between a data flow shaping node and a probe node. The communication path comprising a data flow target node configured to receive a data flow from a data flow source node via the communication path. The data flow shaping node being configured to provide the data flow in bursts towards the data flow target node. The device(s) initiate to identify a suitable burst interval being a burst interval for which the probe node receives no potential acknowledgement packets during a predefined quiescent period, associated with the suitable burst interval, that covers an end portion of the suitable burst interval and/or a begin portion of a subsequent burst interval.

Abstract: Methods and apparatus are provided for content delivery. In one aspect, a method in a device of receiving Adaptive Bit Rate (ABR) content comprises receiving an ABR manifest associated with the content, the ABR manifest describing segments of content and specifying a plurality of policies and respective associated data transfer rules, receiving an indication identifying one of the policies, and requesting segments of the content from a content delivery network in accordance with the content delivery rules associated with the policy identified by the indication.

Abstract: A method of detecting Quick User Datagram Protocol Internet Connections, QUIC, traffic in a telecommunication network between a User Equipment, UE, and a Content Provider, CP, wherein said UE has an established application session with said CP, for a particular application, using QUIC as transport protocol, wherein said method comprises the steps of receiving, by a User Plane Function, UPF, comprised by said telecommunication network, from said CP, a list of connection identifiers that identify said established application session between said UE and said CP, receiving, by said UPF, a QUIC packet comprising a connection identifier, detecting, by said UPF, said QUIC traffic by determining that said connection identifier of said received QUIC packet is comprised by said list of connection identifiers.

Abstract: Methods and apparatus for traffic enhancement to apply to an application, to be delivered using a QUIC session, between a wireless device and a server. A request to activate a policy for the application between the wireless device and the server is received from the wireless device, the request including an application identifier and an indication to request an enhancement function. In response to the request to activate the policy, an authorization of traffic enhancement with information of a proxy node is transmitted to the wireless device to provide the enhancement function upon the network node identifying the proxy node.

Abstract: There is provided mechanisms for enabling discovery of a collaborative proxy node in a 3GPP communication network. A method is performed by a network exposure function. The method comprises obtaining, from a content providing application function, a request for a cooperative performance enhancement service to be performed for application traffic between the application function and a user equipment, the cooperative performance enhancement service being performed by the cooperative performance enhancement node. The method comprises providing, upon having authorized the request, parameters as obtained in the request to a policy control function, thereby enabling discovery of the cooperative performance enhancement node.

Abstract: A proxy server (700) receives, from a sending device, a packet intended for a receiving device (600). The proxy sewer (700) sends, to the receiving device (600), a promise frame (300) indicating that the proxy server (700) will deliver the packet to the receiving device (600) later. The receiving device (600) receives the promise frame (300) from the proxy server (700), and sends an acknowledgement of the packet to the sending device via the proxy sewer (700). The proxy server (700) forwards the acknowledgement of the packet from the receiving device (600) to the sending device, and delivers the packet to the receiving device (600) after having forwarded the acknowledgement to the sending device. The receiving device (600) receives the packet from the proxy server (700) after having sent the acknowledgement of the packet to the sending device via the proxy server (700).

Abstract: Transmission of a data flow in bursts for transport in a wireless communication network towards a wireless device served by a radio network node of said wireless communication network. Device(s) obtains a communication quality indicator indicating communication quality between the radio network node and the wireless device, which communication quality is relevant for provision of the data flow to the wireless device. Said device(s) initiates provision of said data flow to the wireless device with said bursts based on the obtained communication quality indicator.

Abstract: A method of enabling the core network to determine the RAT type in a dual connection non-standalone configuration. The RAT type is either embedded in the GTP-U header by the RAN which is then extracted by the PGW-U or it is derived by the PGW-U by using a Reinforcement Language Agent activated by the SPR, through the PCRF and the PGW-C.

Abstract: A technique for handling data traffic in a core network domain of a communication network is described. An apparatus comprised by the technique is configured to be located in the core network domain and to receive data traffic sent under control of a transport layer protocol that is configured to apply a congestion control algorithm, CCA. The apparatus is further configured to analyze the data traffic to obtain a data traffic analyzation result, to obtain, based on the analyzation result, CCA information about the CCA that can be or is applied by the transport layer protocol, and to perform a traffic handling action for the data traffic taking into account the obtained CCA information.

Abstract: The present disclosure relates to techniques for shaping video data traffic in a packet switched communications transport network. In some embodiments, a device determines a cell load level associated with a base station node that is representative of a data traffic load of a cell of the base station node. The device sets, based at least on the determined cell load level associated with the base station, one or more burst transmission parameters for video data transmitted by a traffic shaping node to the base station node. The device transmits video data to the base station node using the set one or more burst transmission parameters, wherein transmitting video data occurs in one or more burst transmissions that each include a plurality of packets that include video data.

Abstract: Methods and device(s) (110; 120; 130; 140; 141; 210; 212; 220; 230; 600) for managing Round Trip Time, RTT, associated with provision of a data flow (150; 250) from a server device (130; 230), via a multi-access communication network (100; 200), to a client device (120; 220). Said device(s) (110; 120; 130; 140; 141; 210; 212; 220; 230; 600) being communicatively connected to the multi-access communication network (100; 200) that is configured to provide the data flow (150; 250) to the client device (120; 220) using a resource of the multi-access communication network (100; 200) that is shared by multiple devices (120-121; 220-221). The device(s) (110; 120; 130; 140; 141; 210; 212; 220; 230; 600) initiates, in response to identification that the data flow (150; 250) belongs to a certain type, introduction of an artificial delay in the RTT.