Abstract: Implementations of the present disclosure are directed to a method, a system, and a computer program storage device for determining and implementing transmission buffer sizes for network connections. A computer-implemented method includes: obtaining a respective bandwidth requirement for each of a plurality of network connections between at least one server and at least one client device; determining a respective latency for each network connection; calculating a desired transmission buffer size for each network connection based on the respective bandwidth requirement and the respective latency for the network connection; setting a new transmission buffer size for each network connection to the desired transmission buffer size for the network connection; and transmitting data from the at least one server to the at least one client device using the new transmission buffer sizes.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for maintaining a plurality of channels, each channel comprising an ordered plurality of messages stored in one or more buffers, each buffer having a respective time-to-live and a plurality of copies residing on respective nodes, detecting failure of a first node of the plurality of nodes wherein the first node stores respective first copies of first buffers and at least one subscriber is subscribed to messages of one or more first channels, for a first buffer with a first copy residing on the first node, identifying any other of the plurality of nodes as a second node storing a second copy of the first buffer, redirecting the at least one subscriber from the first node to the second node, and retrieving messages stored in the second copy on the second node for the at least one subscriber.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving one or more subscription requests, wherein each subscription request is received from a respective subscriber client and is for a respective channel, authorizing one or more of the subscription requests, wherein each authorized subscription request permits the subscriber client of the request to receive messages published to the channel of the request, receiving one or more messages for publication, wherein each message is received from a respective publisher client and is for publication on a respective channel, for each of the messages, placing the message in a respective buffer for the channel of the message, wherein the messages are present in the buffer during a finite time-to-live period for the buffer, and for one or more of the buffers, sending any messages in the buffer to subscriber clients that are authorized.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publishers messages of a first channel of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, storing messages of the first channel in one or more first buffers according to the order, each first buffer having a respective time-to-live, for one or more connections, determining a respective sampling rate based on a data type of the first channel and a determined latency of the connection, receiving from a subscriber through a first connection a request for messages of the first channel, selecting messages in the first buffers according to the order and the sampling rate, and sending the selected messages using the first connection to the subscriber according to the order.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publishers messages of a first channel of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, storing messages of the first channel in one or more first buffers according to the order, each first buffer having a respective time-to-live, for one or more connections, determining a respective sampling rate based on a data type of the first channel and a determined latency of the connection, receiving from a subscriber through a first connection a request for messages of the first channel, selecting messages in the first buffers according to the order and the sampling rate, and sending the selected messages using the first connection to the subscriber according to the order.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving a write request from a publisher comprising a channel name wherein the channel identified by the channel name comprises an ordered plurality of messages stored in buffers, each buffer having a predetermined time-to-live and being assigned to a respective node, identifying a first node and a first buffer stored on the first node based on the channel name of the request that has available storage for storing messages and wherein the first buffer has a time-to-live that has not expired, and sending a write grant to the publisher wherein the grant comprises identification of the first node and the first buffer, and wherein the publisher is configured to send messages to the first node for storage in the first buffer based on the grant until the first buffer is full or its time-to-live has expired.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publisher clients a plurality of messages, each message being for a particular channel of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, encoding each message based on a particular dictionary, storing encoded messages in one or more respective buffers according to the order, each buffer having a respective time-to-live and residing on a respective node, retrieving encoded messages for the particular channel from respective buffers having time-to-lives that have not expired and according to the order, decoding each retrieved message based on the particular dictionary, and sending the decoded messages to a plurality of subscriber clients.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of origination processes a plurality of messages, identifying a respective destination node and a destination process on the destination node associated with each of the messages, storing each of the messages in a respective buffer for the destination process and destination node associated with the message, identifying one or more of the buffers wherein an aggregate size of all messages stored in each of the identified buffers exceeds a threshold, and for each identified buffer, sending all messages stored in the buffer in bulk to the destination process on the destination node associated with the messages stored in the buffer.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publisher clients a plurality of messages, assigning each of the messages to one of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, storing messages of each of the channels in one or more respective buffers according to the order, each buffer having a respective time-to-live, retrieving messages for one or more of the channels from respective buffers having time-to-lives that have not expired and according to the order, and sending the retrieved messages to a plurality of subscriber clients.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publisher clients a plurality of messages, assigning each of the messages to one of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, storing messages of each of the channels in one or more respective buffers according to the order, each buffer having a respective time-to-live, retrieving messages for one or more of the channels from respective buffers having time-to-lives that have not expired and according to the order, and sending the retrieved messages to a plurality of subscriber clients.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving a write request from a publisher comprising a channel name wherein the channel identified by the channel name comprises an ordered plurality of messages stored in buffers, each buffer having a predetermined time-to-live and being assigned to a respective node, identifying a first node and a first buffer stored on the first node based on the channel name of the request that has available storage for storing messages and wherein the first buffer has a time-to-live that has not expired, and sending a write grant to the publisher wherein the grant comprises identification of the first node and the first buffer, and wherein the publisher is configured to send messages to the first node for storage in the first buffer based on the grant until the first buffer is full or its time-to-live has expired.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publishers messages of a first channel of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, storing messages of the first channel in one or more first buffers according to the order, each first buffer having a respective time-to-live, for one or more connections, determining a respective sampling rate based on a data type of the first channel and a determined latency of the connection, receiving from a subscriber through a first connection a request for messages of the first channel, selecting messages in the first buffers according to the order and the sampling rate, and sending the selected messages using the first connection to the subscriber according to the order.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving a write request from a publisher comprising a channel name wherein the channel identified by the channel name comprises an ordered plurality of messages stored in buffers, each buffer having a predetermined time-to-live and being assigned to a respective node, identifying a first node and a first buffer stored on the first node based on the channel name of the request that has available storage for storing messages and wherein the first buffer has a time-to-live that has not expired, and sending a write grant to the publisher wherein the grant comprises identification of the first node and the first buffer, and wherein the publisher is configured to send messages to the first node for storage in the first buffer based on the grant until the first buffer is full or its time-to-live has expired.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving a write request from a publisher comprising a channel name wherein the channel identified by the channel name comprises an ordered plurality of messages stored in buffers, each buffer having a predetermined time-to-live and being assigned to a respective node, identifying a first node and a first buffer stored on the first node based on the channel name of the request that has available storage for storing messages and wherein the first buffer has a time-to-live that has not expired, and sending a write grant to the publisher wherein the grant comprises identification of the first node and the first buffer, and wherein the publisher is configured to send messages to the first node for storage in the first buffer based on the grant until the first buffer is full or its time-to-live has expired.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publisher clients a plurality of messages, assigning each of the messages to one of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, storing messages of each of the channels in one or more respective buffers according to the order, each buffer having a respective time-to-live, retrieving messages for one or more of the channels from respective buffers having time-to-lives that have not expired and according to the order, and sending the retrieved messages to a plurality of subscriber clients.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publishers a plurality of messages, each of the messages being assigned to one of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, storing each message of each of the channels in a respective buffer, each buffer having a time-to-live, during the storing, removing one or more of the buffers having respective time-to-lives that have expired, and providing messages for one or more of the channels to one or more subscribers from a plurality of the remaining buffers according to the order.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving from a plurality of publisher clients a plurality of messages, assigning each of the messages to one of a plurality of distinct channels wherein each channel comprises an ordered plurality of messages, storing messages of each of the channels in one or more respective buffers according to the order, each buffer having a respective time-to-live, retrieving messages for one or more of the channels from respective buffers having time-to-lives that have not expired and according to the order, and sending the retrieved messages to a plurality of subscriber clients.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving a write request from a publisher comprising a channel name wherein the channel identified by the channel name comprises an ordered plurality of messages stored in buffers, each buffer having a predetermined time-to-live and being assigned to a respective node, identifying a first node and a first buffer stored on the first node based on the channel name of the request that has available storage for storing messages and wherein the first buffer has a time-to-live that has not expired, and sending a write grant to the publisher wherein the grant comprises identification of the first node and the first buffer, and wherein the publisher is configured to send messages to the first node for storage in the first buffer based on the grant until the first buffer is full or its time-to-live has expired.

Abstract: A system for providing client identifying information to a server includes a tagger at an intelligent intermediate device configured to create at least one tagged packet including client identifying information to be sent to the server, and an interceptor configured to derive the client identifying information from the at least one tagged packet and to provide the client identifying information to an application at the server. In one embodiment, the tagger is configured to insert the client identifying information into the data portion of the at least one tagged packet. In another embodiment, the tagger is configured to insert the client identifying information into a protocol header of the at least one tagged packet.