Abstract: In one embodiment, a gateway label edge router (G-LER) receives a packet destined for a mobile domain that comprises a vehicle label edge router. The G-LER identifies, from among a plurality of primary domains, a particular primary domain that currently has a label switched connection with the mobile domain. The label switched connection connects the vehicle label edge router of the mobile domain and a cluster label edge router of the particular primary domain. The G-LER sends the packet to the cluster label edge router of the particular primary domain for transmission to the vehicle label edge router via the label switched connection. The G-LER tracks when the vehicle label edge router of the mobile domain establishes a new label switched connection with a second cluster label edge router of a different primary domain in the plurality of primary domains than that of the particular primary domain.

Abstract: In one embodiment, a mobile system receives a group identifier for wireless access points associated with a pathway via which the mobile system is to travel. The mobile system receives, during travel of the mobile system along the pathway, beacons from a plurality of wireless access points. Each of the plurality of wireless access points indicates its group identifier in its beacon. The mobile system selects, based on the beacons, a particular access point from among the plurality of wireless access points for roaming, in part by giving preference to any access points in the plurality of wireless access points having a group identifier that matches the group identifier associated with the pathway. The mobile system wirelessly roams to the particular access point.

Abstract: In one embodiment, a device in a wireless network selects a transmission rate for one or more packets to be sent, based on a received signal strength indicator value. The device makes a determination that the one or more packets should be compressed, based on the transmission rate selected by the device. The device applies, based on the determination, stateless offline dictionary compression to the one or more packets, to form a compressed stream of one or more packets. The device sends the compressed stream via the wireless network and using the transmission rate selected by the device.

Abstract: In one embodiment, a device identifies a path of travel of a mobile system. The device subdivides the path of travel into a plurality of zones. The device generates time-slotted channel hopping schedules for the plurality of zones, each time-slotted channel hopping schedule having an associated zone among the plurality of zones. The device causes the mobile system to communicate wirelessly with networking infrastructure located along the path of travel, in accordance with a particular one of the time-slotted channel hopping schedules while the mobile system is located in its associated zone.

Abstract: In one embodiment, a gateway label edge router (G-LER) receives a packet destined for a mobile domain that comprises a vehicle label edge router. The G-LER identifies, from among a plurality of primary domains, a particular primary domain that currently has a label switched connection with the mobile domain. The label switched connection connects the vehicle label edge router of the mobile domain and a cluster label edge router of the particular primary domain. The G-LER sends the packet to the cluster label edge router of the particular primary domain for transmission to the vehicle label edge router via the label switched connection. The G-LER tracks when the vehicle label edge router of the mobile domain establishes a new label switched connection with a second cluster label edge router of a different primary domain in the plurality of primary domains than that of the particular primary domain.

Abstract: In one embodiment, a device identifies a plurality of access points of a wireless network. The device also identifies a plurality of mobile nodes of a mobile system. The device establishes a first label-switched path in the wireless network that comprises a wireless link between a first mobile node in the plurality of mobile nodes and a first access point in the plurality of access points. The device establishes a second label-switched path in the wireless network that comprises a wireless link between a second mobile node of the mobile system and a second access point in the plurality of access points.

Abstract: In one embodiment, a network device along a path in a network receives a schedule that controls when the networking device is to insert telemetry data into data traffic passing through the networking device. The networking device generates the telemetry data for insertion into the data traffic passing through the networking device. The networking device inserts, according to the schedule, the telemetry data into a particular packet of the data traffic passing through the networking device. The networking device sends the particular packet to a next hop along the path in the network.

Abstract: In one embodiment, a supervisory process receives wireless signal quality measurements obtained by a particular node of a wireless network. The wireless network comprising a plurality of mobile nodes. The supervisory process computes, based on the wireless signal quality measurements, an optimal amount of radio frequency attenuation that the particular node should use. The supervisory process generates an attenuation configuration for the particular node that specifies the optimal amount of radio frequency attenuation that the particular node should use. The supervisory process pushes the attenuation configuration to a variable attenuator of the particular node.

Abstract: In one embodiment, a device identifies a path of travel of a mobile system. The device subdivides the path of travel into a plurality of zones. The device generates time-slotted channel hopping schedules for the plurality of zones, each time-slotted channel hopping schedule having an associated zone among the plurality of zones. The device causes the mobile system to communicate wirelessly with networking infrastructure located along the path of travel, in accordance with a particular one of the time-slotted channel hopping schedules while the mobile system is located in its associated zone.

Abstract: In one embodiment, a mobile system populates a rate lookup table using sampled data indicative of signal strength measurements, traffic quality of service tags, and transmission rates for wireless communications between the mobile system and one or more access points of a wireless network. The mobile system determines a quality of service tag for traffic to be sent between the mobile system and a particular access point of the wireless network and a signal strength between the mobile system and the particular access point. The mobile system selects, using the rate lookup table, a transmission rate for the traffic to be sent, based on the quality of service tag and the signal strength determined by the mobile system. The mobile system sends the traffic from the mobile system to the particular access point using the transmission rate.

Abstract: In one embodiment, a mobile system scans wireless channels for any upcoming access points using a dedicated monitor radio of the mobile system. The mobile system identifies a particular wireless channel in use by an upcoming access point. The mobile system notifies a second radio of the mobile system of the particular wireless channel. The mobile system performs a handoff between a current access point and the upcoming access point in part by switching the second radio of the mobile system to the particular wireless channel of the upcoming access point.

Abstract: In one embodiment, a gateway label edge router (G-LER) receives a packet destined for a mobile domain that comprises a vehicle label edge router. The G-LER identifies, from among a plurality of primary domains, a particular primary domain that currently has a label switched connection with the mobile domain. The label switched connection connects the vehicle label edge router of the mobile domain and a cluster label edge router of the particular primary domain. The G-LER sends the packet to the cluster label edge router of the particular primary domain for transmission to the vehicle label edge router via the label switched connection. The G-LER tracks when the vehicle label edge router of the mobile domain establishes a new label switched connection with a second cluster label edge router of a different primary domain in the plurality of primary domains than that of the particular primary domain.

Abstract: In one embodiment, a networking device receives packets of a traffic flow destined for a mobile system. The networking device sends a first flowlet of the traffic flow towards the mobile system via a first wireless access point. The networking device determines an idle time between the first flowlet and a second flowlet of the traffic flow. The networking device sends, based on the idle time, the second flowlet towards the mobile system via a second wireless access point.

Abstract: In one embodiment, a networking device receives packets of a traffic flow destined for a mobile system. The networking device sends a first flowlet of the traffic flow towards the mobile system via a first wireless access point. The networking device determines an idle time between the first flowlet and a second flowlet of the traffic flow. The networking device sends, based on the idle time, the second flowlet towards the mobile system via a second wireless access point.

Abstract: In one embodiment, a gateway label edge router (G-LER) receives a packet destined for a mobile domain that comprises a vehicle label edge router. The G-LER identifies, from among a plurality of primary domains, a particular primary domain that currently has a label switched connection with the mobile domain. The label switched connection connects the vehicle label edge router of the mobile domain and a cluster label edge router of the particular primary domain. The G-LER sends the packet to the cluster label edge router of the particular primary domain for transmission to the vehicle label edge router via the label switched connection. The G-LER tracks when the vehicle label edge router of the mobile domain establishes a new label switched connection with a second cluster label edge router of a different primary domain in the plurality of primary domains than that of the particular primary domain.

Abstract: In one embodiment, a device identifies a plurality of access points of a wireless network. The device also identifies a plurality of mobile nodes of a mobile system. The device establishes a first label-switched path in the wireless network that comprises a wireless link between a first mobile node in the plurality of mobile nodes and a first access point in the plurality of access points. The device establishes a second label-switched path in the wireless network that comprises a wireless link between a second mobile node of the mobile system and a second access point in the plurality of access points.

Abstract: In one embodiment, a mobile radio station in communication with a current base station of a plurality of base stations receives hello packets from one or more of the base stations. The hello packets from the current base station are received on a first frequency via a first mobile radio unit (M1) and the hello packets from one or more base stations are received on a second frequency via a second mobile radio unit (M2). When the signal strength value of the current base station exceeds a threshold value, the mobile radio station: selects a destination from the plurality of base stations based on the destination having a highest signal strength value among those in the plurality of base stations that sent hello packets to M2 on the second frequency, and forces a handoff from M1 to M2, by establishing a new link between M2 and the destination base station.

Abstract: In one embodiment, a device obtains location data indicative of a location of a mobile system relative to a base station of a wireless network. The device predicts, based on the location data, a drop in received signal strength indicator as the mobile system approaches the base station. The device determines, based on the drop in received signal strength indicator or throughput that will occur as the mobile system approaches the base station. The device prevents the mobile system from communicating with the base station during the ban.

Abstract: In one embodiment, a supervisory process receives wireless signal quality measurements obtained by a particular node of a wireless network. The wireless network comprising a plurality of mobile nodes. The supervisory process computes, based on the wireless signal quality measurements, an optimal amount of radio frequency attenuation that the particular node should use. The supervisory process generates an attenuation configuration for the particular node that specifies the optimal amount of radio frequency attenuation that the particular node should use. The supervisory process pushes the attenuation configuration to a variable attenuator of the particular node.

Abstract: In one embodiment, a gateway to a Layer-3 network forms a first Layer-2 tunnel between the gateway and a first wireless access point (AP) that communicates wirelessly with a first mobile node of a mobile system (MS) via a first wireless connection. The gateway generates a mapping that associates an onboard device of the MS with the first AP and an identifier for the MS, based on traffic conveyed via the first Layer-2 tunnel and associated with the onboard device, the traffic comprising a header that indicates the identifier for the MS. The gateway receives, from a second AP, an indication that the MS is roaming from the first wireless connection to a second wireless connection, the indication including the identifier for the MS. The gateway updates the mapping to associate the onboard device of the MS with a second AP, based on the indication that the MS is roaming.