An availability calculation device includes a bandwidth notification information storing unit that stores received bandwidth notification information for a certain period, and an availability calculation unit that calculates an availability for each bandwidth of a wireless link by using the bandwidth notification information stored in the bandwidth notification information storing unit.

An availability calculation device includes a bandwidth notification information storing unit that stores received bandwidth notification information for a certain period, and an availability calculation unit that calculates an availability for each bandwidth of a wireless link by using the bandwidth notification information stored in the bandwidth notification information storing unit.

A method for estimating bandwidth between a video server and a video client for playing back a video stream includes video packets. The method involves the following steps performed by the video client: receiving the video packets from the video server wherein the video packets are transmitted by the video server at predetermined time intervals; calculating a difference in a size of the video packets and a difference in a time of reception of the video packets; and estimating the bandwidth based on the calculated difference in size and the calculated difference in the time of reception. The present disclosure further relates to a media player configured to perform the disclosed method.

A method for estimating bandwidth between a video server and a video client for playing back a video stream includes video packets. The method involves the following steps performed by the video client: receiving the video packets from the video server wherein the video packets are transmitted by the video server at predetermined time intervals; calculating a difference in a size of the video packets and a difference in a time of reception of the video packets; and estimating the bandwidth based on the calculated difference in size and the calculated difference in the time of reception. The present disclosure further relates to a media player configured to perform the disclosed method.

One embodiment of the present invention sets forth a technique for evaluating connections between nodes in a mesh network. The technique includes determining, at a first node, one or more first accumulated message success rates associated with transmitting messages from the first node to a target destination within the mesh network via an established parent node and with receiving messages from the target destination via the established parent node; determining, based on the one or more first accumulated message success rates, that a search for a different parent node should be performed; identifying a plurality of potential parent nodes; computing, for each potential parent node, one or more second accumulated message success rates associated with transmitting messages from the first node to a target destination within the mesh network via the potential parent node and with receiving messages from the target destination via the potential parent node; and based on the second accumulated message success rates, selecting a new parent node from the plurality of potential parent nodes or maintaining the established parent node

Certain embodiments provide a method of updating a security. The method can include monitoring a bearer that includes first and second radio accesses according to different radio technologies between user equipment and a communications network. One or more properties of the monitored bearer can be determined. An update of a security key utilized for securing communications over at least one of the radio accesses can be triggered in response to determining that the determined properties meet at least one triggering condition capable of indicating a need for the update.

A method for monitoring and correcting playback performance for content player. The method includes detecting a content player request from a media player on a user device, the content player request corresponding to a content item request from a server, generating a playback identifier including data corresponding to the content item, detecting one or more playback events occurring during playback of the content by the content player, generating one or more playback packets including the playback identifier, a packet identifier, and the one or more playback events, and transmitting the one or more playback packets to a server.

Technologies for providing shared memory for accelerator sleds includes an accelerator sled to receive, with a memory controller, a memory access request from an accelerator device to access a region of memory. The request is to identify the region of memory with a logical address. Additionally, the accelerator sled is to determine from a map of logical addresses and associated physical address, the physical address associated with the region of memory. In addition, the accelerator sled is to route the memory access request to a memory device associated with the determined physical address.

Technologies for providing shared memory for accelerator sleds includes an accelerator sled to receive, with a memory controller, a memory access request from an accelerator device to access a region of memory. The request is to identify the region of memory with a logical address. Additionally, the accelerator sled is to determine from a map of logical addresses and associated physical address, the physical address associated with the region of memory. In addition, the accelerator sled is to route the memory access request to a memory device associated with the determined physical address.

Methods, systems, and devices for communications are described. One or more flows between a node and one or more other nodes in a communication network may be monitored over a time period. During the monitoring, it may be identified that, during a subset of the time period, communications over at least one of the flows were restricted by the communication network based on receiving at least one indicator of congestion for the at least one flow. A quantity of traffic communicated over the one or more flows during the subset of the time period may then be determined, and respective flow rates of the one or more flows may be obtained. The obtained flow rates may be used to calculate a data rate of one or more connections between the node and the one or more other nodes.