Examples described herein relate to a network agent, when operational, to: receive a packet, determine transmit rate-related information for a sender network device based at least on operational and telemetry information accumulated in the received packet, and transmit the transmit rate-related information to the sender network device. In some examples, the network agent includes a network device coupled to a server, a server, or a network device. In some examples, the operational and telemetry information comprises: telemetry information generated by at least one network device in a path from the sender network device to the network agent.

The quality of a media stream transmitted to a client device is dynamically adapted based on real-time availability of resources on the client device. Central processing unit resources, memory availability, buffer usage, graphics processing unit usage, etc., are continuously monitored to evaluate the ability of a device to handle media streams of particular quality levels. When it is determined that resources at a client device temporarily can not handle a high quality media stream, a lower quality stream is selected and provided to the client device without having to establish a new session.

Disclosed herein includes a system, a method, and a device for providing enhanced distribution channel access (EDCA). A wireless device can receive, from a wireless node, an advertisement message comprising a first plurality of parameters for a plurality of time slots available for prioritized access in a wireless local area network (WLAN) to communicate data. The wireless device can send to the wireless node, a request to assign a first time slot of the plurality of time slots to the wireless device for prioritized access. The wireless device can receive, from the wireless node, a response granting access to a first time slot of the plurality of time slots. The response can indicate one or more parameters of the first plurality of parameters for the first time slot. The wireless device can access the first time slot according to the first plurality of parameters.

A method is provided that includes setting, by a controller, a first bit-rate level for a next video segment, and comparing a fill level of a playback buffer to a first threshold. If the fill level of the playback buffer satisfies the first threshold, the first bit-rate level for the next video segment is replaced by setting a second bit-rate level for the next video. A first request is issued to a server for the next video segment encoded at the first bit-rate level or, if the fill level of the playback buffer satisfies the first threshold, encoded at the second bit-rate level and downloading of the requested next video segment and storing the requested video segment in the playback buffer. A decoder decodes the next video segment from the playback buffer for playback on a display device after the next video segment has been downloaded and stored in the playback buffer.

A data transmission acceleration method and related apparatuses are disclosed. A sanding node transmits a plurality of data packets to a receiving node at an initial transmission rate. Each data packet carries a random sequence number and a rolling sequence number. The random sequence number identifies a data part of the data packet, and the rolling sequence number indicates a transmission sequence of the data packet. The sending node receives a packet loss feedback from the receiving node. The packet loss feedback is generated after the receiving node detects a packet loss event according to a rolling sequence number of a received data packet. The sending node determines a random sequence number of a lost data packet based on the received packet loss feedback. The sending node retransmits a data packet corresponding to the determined random sequence number. The retransmitted data packet carries a new rolling sequence number.

A congestion management protocol that can be used for small messages in which the last-hop switch determines the congestion of the end point. The last-hop switch drops messages when the end point is congested and schedules a retransmission. A second congestion management protocol transmits small messages in a speculative mode to avoid the overhead caused by reservation handshakes.

Systems and methods are provided for operating a media transmission network. The system includes at least one destination device for receiving a plurality of media streams from a plurality of source devices. The system further includes a controller that is configured to, for each media stream of the plurality of media streams: determine a media property adjustment for the media stream based at least on the media stream; identify a source device from the plurality of source devices associated with generating the media stream; determine at least one device setting for the identified source device to apply the media property adjustment to the media stream; generate a control packet for configuring the identified source device based on the at least one device setting, the control packet including the at least one device setting; and transmit the control packet to the identified source device.

A network includes an egress node connected to an ingress node via a network path. The egress node is configured to receive, from the ingress node, a group of packets via the network path, where each packet includes an operations, administration, and management (OAM) field appended to the packet, and where the OAM field stores OAM information. The egress node is further configured to read the OAM information from the packets; analyze the OAM information, associated with one or more of the packets, to determine that a network condition exists on the network path; and notify the ingress node that the network condition exists to permit the ingress node to perform a rerouting operation.

As part of managing delivery of a given packet flow according to a reliable transport protocol, a sender sends, to a receiver, a last flow packet among multiple flow packets of a flowlet. After sending the last flow packet but before satisfaction of a timeout condition for the last flow packet, the sender sends one or more end-of-flowlet (EOF) packets, which can be flush packets, query packets, or another type of packet. The sender receives, from the receiver, feedback metadata for the EOF packet(s) and updates a tracking window based at least in part on the feedback metadata. The sender selectively resends one or more unacknowledged flow packets according to the updated tracking window. In this way, the sender can quickly address any dropped packets or significantly delayed packets at the end of a flowlet, without waiting for the timeout condition to detect the dropped or delayed packets.

A network element includes a transmit-queue for transmitting packets from at least two sources, each source having a predefined priority level, to a headroom buffer in a peer network element. Flow-control circuitry receives from the peer network element signaling that indicates a number of credits for transmitting packets to the peer network element, manages a current number of credits available for transmission from the transmit-queue, responsive to the signaling, selects a threshold priority based on the current number of credits for the transmit-queue; and transmits packets associated with data sources of the transmit-queue that are higher in priority than the threshold priority, and refrain from transmitting other packets associated with the transmit-queue.