A network device includes a Network Interface Device (NID) and multiple servers. Each server is coupled to the NID via a corresponding PCIe bus. The NID has a network port through which it receives packets. The packets are destined for one of the servers. The NID detects a PCIe congestion condition regarding the PCIe bus to the server. Rather than transferring the packet across the bus, the NID buffers the packet and places a pointer to the packet in an overflow queue. If the level of bus congestion is high, the NID sets the packet's ECN-CE bit. When PCIe bus congestion subsides, the packet passes to the server. The server responds by returning an ACK whose ECE bit is set. The originating TCP endpoint in turn reduces the rate at which it sends data to the destination server, thereby reducing congestion at the PCIe bus interface within the network device.

A ring interconnect system comprises a plurality of nodes. Each node is connected to two other nodes to form a ring interconnect. Every pair of nodes is connected by an inter-node path for that pair of nodes distinct from the ring interconnect. Each of the nodes comprises a message buffer to buffer messages received from at least one device associated with the node. Each of the nodes also comprises activity level circuitry to transmit an activity indication, when a number of the messages in the message buffer is equal to or above a threshold, to each other node of the plurality of nodes via the respective inter-node paths. Each of the nodes also comprises arbitrator circuitry to receive the activity indications from each other node and from the activity level circuitry, and to allow ingress of a message from the message buffer onto the ring interconnect in dependence on the activity indications. Also provided is a method of operating a node of a ring interconnect system

A method for controlling a distributed system. The distributed system includes a plurality of nodes and a bus. The plurality of nodes is associated with a plurality of timers. The method includes assigning a plurality of timer values including a first timer value and a second timer value to the plurality of timers in response to no data being loaded on the bus, defining an initial timer value equal to the first timer value, counting down the plurality of timer values with a given rate by activating the plurality of timers, stopping counting down the plurality of timer values in response to the first timer value reaching zero by stopping the plurality of timers, replacing the first timer value with a reference value, and sending data from the first node to the bus. The first timer value is assigned to a first timer of the plurality of timers, and the second timer value is assigned to a second timer of the plurality of timers. The first timer is associated with a first node of the plurality of nodes and the second timer is associated with a second node of the plurality of nodes. The first timer value is the smallest timer value among the plurality of timer values, and the second timer value is the largest timer value among the plurality of timer values. The reference value is smaller than the initial timer value and is larger than the second timer value.

In accordance with embodiments disclosed herein, there are provided methods, systems, mechanisms, techniques, and apparatuses for traffic aggregation on multiple WAN backhauls and multiple distinct LAN networks; for traffic load balancing on multiple WAN backhauls and multiple distinct LAN networks; and for performing self-healing operations utilizing multiple WAN backhauls serving multiple distinct LAN networks. For example, in one embodiment, a first Local Area Network (LAN) access device is to establish a first LAN; a second LAN access device is to establish a second LAN; a first Wide Area Network (WAN) backhaul connection is to provide the first LAN access device with WAN connectivity; a second WAN backhaul connection is to provide the second LAN access device with WAN connectivity; and a traffic aggregation unit is to form a logically bonded WAN interface over the first WAN backhaul and the second WAN backhaul. In some embodiments an optional traffic de-aggregation unit may be used.

An on-board network system includes a plurality of controllers connected to a bus, a detecting unit that detects an error that occurs, a measuring unit that measures a degree of error occurrence detected by the detecting unit, and a communication controller that reduces a communication speed and a communication data amount of at least one of the controllers from a first speed and a first data amount to a second speed and a second data amount, when the error occurrence degree becomes equal to or larger than a first degree. The communication controller reduces the communication speed and the communication data amount, such that a first communication time it takes for data to be transmitted at the first speed in the first data amount is longer than a second communication time it takes for data to be transmitted at the second speed in the second data amount.

Provided is a bus network system including: a master node switch; and a plurality of slave node switches, wherein each of the plurality of slave node switches includes at least one band limit switch configured to transmit signals in a given band, and each of the plurality of slave node switches is configured to be physically on/off controlled.

An information processing device stores a plurality of first programs applicable to the information processing device, and communicates with a plurality of higher-level devices. When a connection process is executed between a higher-level device and the information processing device, the information processing device transmits program information indicating the plurality of first programs to the higher-level device. The higher-level device determines whether a predetermined first program, which is applicable to the information processing device and associated with a second program applied to the higher-level device, is to be transmitted to the information processing device, based on whether the program information includes information on the predetermined first program, and transmits, to the information processing device, an instruction for causing the information processing device to apply the predetermined first program when the higher-level device determines that the predetermined first program is not to be transmitted to the information processing device.

In accordance with embodiments disclosed herein, there are provided methods, systems, mechanisms, techniques, and apparatuses for traffic aggregation on multiple WAN backhauls and multiple distinct LAN networks; for traffic load balancing on multiple WAN backhauls and multiple distinct LAN networks; and for performing self-healing operations utilizing multiple WAN backhauls serving multiple distinct LAN networks. For example, in one embodiment, a first Local Area Network (LAN) access device is to establish a first LAN; a second LAN access device is to establish a second LAN; a first Wide Area Network (WAN) backhaul connection is to provide the first LAN access device with WAN connectivity; a second WAN backhaul connection is to provide the second LAN access device with WAN connectivity; and a traffic aggregation unit is to form a logically bonded WAN interface over the first WAN backhaul and the second WAN backhaul. In some embodiments an optional traffic de-aggregation unit may be used.

Stateless and reliable load balancing using segment routing and an available side-channel may be provided. First, a non-SYN packet associated with a connection may be received. The non-SYN packet may have first data contained in an available side-channel. Next an associated bucket may be retrieved based on a hash of second data in the non-SYN packet. The associated bucket may identify a plurality of servers. Then a one of the plurality of servers may be selected based on the first data contained in the available side-channel.

In accordance with embodiments disclosed herein, there are provided methods, systems, mechanisms, techniques, and apparatuses for traffic aggregation on multiple Wide Area Network (WAN) backhauls and multiple distinct Local Area Network (LAN) networks; for traffic load balancing on multiple WAN backhauls and multiple distinct LAN networks; and for performing self-healing operations utilizing multiple WAN backhauls serving multiple distinct LAN networks. For example, in one embodiment, a first Local Area Network LAN access device is to establish a first LAN; a second LAN access device is to establish a second LAN; a first Wide Area Network WAN backhaul connection is to provide the first LAN access device with WAN connectivity; a second WAN backhaul connection to provide the second LAN access device with WAN connectivity; a management device is communicatively interfaced with each of the first LAN access device, the second LAN access device, the first WAN backhaul connection, and the second WAN backhaul connection; and the management device routes a first portion of traffic originating from the first LAN over the first WAN backhaul connection and routes a second portion of the traffic originating from the first LAN over the second WAN backhaul connection.