A packet transmission method includes, obtaining one or more control items, a first network device determines, based on a fact that a device identifier included in a first packet to which each control item belongs is a device identifier of a second network device, a target control item to be sent to the second network device. The first network device sends at least one second packet comprising the target control item to the second network device, where the target control item is located in the at least one second packet, and the second packet includes the device identifier of the second network device.

A device includes a transceiver and processing circuitry. The transceiver is configured to receive an input packet having an input header and forward an output packet having an output header. The processing circuitry is configured to parse the input header, determine recommendations for forwarding a payload of the input packet using a trained neural network and based on the parsed input header, and process the input packet and generate the output packet with the output header based on the recommendations and available resources.

A first network device receives location information sent by a second network device. The location information includes a location identifier used to identify a location of the second network device in a network and a plurality of associated flexible algorithms corresponding to the location identifier. The first network device generates, based on a first flexible algorithm of the plurality of associated flexible algorithms, first routing information to the second network device. The first flexible algorithm corresponds to a first network topology, the first network topology is a network topology in which the first network device is located, and the first routing information is used to send a packet to the second network device in the first network topology. One location identifier corresponds to a plurality of associated flexible algorithms, and routing information in different network topologies is generated based on different associated flexible algorithms.

Receiving, by a network device at a receiving time, one or more packets, each packet being one of a plurality of ordered packets in one of a plurality of streams received at the network device. Determining, by the network device for each received packet, a transmit time based on one timer common to the plurality of streams. Indexing, by the network device in a data store common to the plurality of streams, each packet by the determined transmit time. Transmitting, by the network device at each particular time corresponding to a determined transmit time, all packets in the data store indexed to the particular time.

This disclosure is directed to processes and systems for generating data packets in a smart network interface controller (“SNIC”) of a host server computer. A smart packet generator (“spktgen”) controller receives a user command that contains directions for how packets are generated in the SNIC. The command is sent to a spktgen daemon that runs in a control core of the multicore processor. The spktgen daemon extracts the type of packet generator and packet parameters recorded in the command and sends the type of packet generator and packet parameters to a spktgen engine that also runs in the control core. The spktgen engine creates threads in each of one or more data cores of the multicore processor. Each thread comprises instructions for generating data packets from the data generated by data generating sources of the host in accordance with the type of packet generator and the packet parameters.

According to an embodiment of the present disclosure, there is provided a method for providing a virtual private network service in ICN name-based networking. The method comprising: receiving an interest packet; checking whether or not the interest packet includes a forwarding hint; checking, when the interest packet includes the forwarding hint, whether or not the forwarding hint includes a specific keyword; generating, when the forwarding hint includes the specific keyword, a VRF ID by extracting a VRF name from a name of the interest packet; selecting an FIB by using the generated VRF ID; executing a lookup for the FIB by using an interest name extracted from the interest packet; determining an output port by using the lookup; and transmitting the interest packet to the output port.

The method, in some embodiments, aggregates duplicate transmission control protocol (TCP) packets of a data stream duplicated and sent over disjoint routing paths. Each duplicate pair of packets includes a packet sequence number unique to that duplicate pair. The method iteratively (1) generates a window of packet sequence numbers for the data stream starting with a lowest packet sequence number, of the data stream, that has not been received, (2) receives a TCP packet sent over one of a first routing path and a second, disjoint routing path. If the packet sequence number of the received TCP packet is outside the window or is a duplicate of a previously received TCP packet, the method drops the received TCP packet. If the packet sequence number of the received TCP packet is within the window and is not a duplicate of a previously received TCP packet, the method stores the received packet.

A communication device includes a processor. The processor updates, when a port which is received a packet is connected to a first path or a second path, an identifier assigned to the packet from a value according to the path to a first value or a second value. The processor learns a correspondence relationship between a destination address of the packet and a transmission port by flooding the packet, and determines the transmission port based on the correspondence relationship. The processor updates, when the transmission port is connected to the first path or the second path, the identifier assigned to the packet of which the transmission port is determined to a value according to the first path or the second path. The processor discards the packet of which the identifier is updated to the second value by the first process and the transmission port is connected to the second path.

Described herein are systems, methods, and software to manage replay windows in multipath connections between gateways. In one implementation, a first gateway may receive a packet directed toward a second gateway and identify a path from a plurality of paths to the second gateway. Once identified, the first gateway may increment a sequence number associated with the path and encapsulate the packet with a unique identifier for the path in the header with the incremented sequence number. The first gateway the communicates the encapsulated packet to the second gateway.

A routing device for forwarding data packets in a data network is described. The routing device establishes a communicative connection with multiple other such routing devices that implement the same functions. A data network includes multiple routing devices as described herein. In that data network, each routing device implements and applies a proactive approach with routing tables in a stable part of the data network, and a reactive approach in an unstable part of the data network. When a packet is transmitted from a stable part of the data network to an unstable part of the data network (or vice versa), the forwarding approach is changed along the path of the packet. Thus, the routing device and the data network mitigate the effect of overhead of proactive routing approaches and the latency of reactive routing approaches.