Abstract: A technique for handling messages generated in an industrial control procedure by a first device for being transmitted via a communication network towards a second device is presented, wherein the first device is one of a field device and a field device controller and the second device is the other one of the field device and the field device controller. A method implementation of the technique comprises intercepting a first message generated by the first device, wherein the first message is intercepted before the communication network towards the second device, and wherein the first message has a first message content. The method also comprises storing the first message content and forwarding the first message content on the communication network towards the second device.

Abstract: Systems and methods of the present disclosure are directed to a method performed by a receiving node. The method includes receiving a packet/frame comprising Per Packet Value (PPV) information from a transmitting node, wherein the PPV information indicates a level of importance of the packet/frame determined based on a marking policy of the transmitting node, and wherein the packet/frame comprises (a) an Ethernet packet, (b) an IPv4 packet, (c) an IPv6 packet, (d) a Multi-Protocol Label Switching (MPLS) packet, or (e) a multilayer packet descriptive of one or more of (a)-(d). The method includes processing the PPV information in the received packet/frame when the receiving node is configured to handle the PPV information.

Abstract: A packet forwarding circuit (18), such as a programmable switch or router, for example, is disposed between a control server (14) and one or more actuators (17) associated with a robotic arm (16), for example. The packet forwarding circuit is configured to perform real-time velocity control of the one or more actuators in addition to other functionalities that it normally performs, such as routing, packet forwarding, and firewall protection.

Abstract: One aspect provides a method performed by a radio access network node in a telecommunications network. The method comprises: responsive to detection of a trigger event associated with a wireless device having a connection to the telecommunications network via the radio access network node or seeking to establish a connection to the telecommunications network via the radio access network node, transmitting a message directly to a user plane core network node providing functionality for the connection via the radio access network node, the message comprising one or more of: an indication of an identifier of the wireless device; and an indication of an identifier of a session for the wireless device. The user plane core network node has access to a data storage layer shared between a plurality of user plane core network nodes, the data storage layer storing respective contexts for the sessions of a plurality of wireless devices, including the wireless device.

Abstract: One aspect provides a method performed by a radio access network node in a telecommunications network. The method comprises: responsive to detection of a trigger event associated with a wireless device having a connection to the telecommunications network via the radio access network node or seeking to establish or resume a connection to the telecommunications network via the radio access network node, selecting a core network user plane function for the connection to the telecommunications network; and initiating establishment of a user-plane tunnel for the connection between the radio access network node and the selected core network user plane function.

Abstract: One aspect provides a method performed by a radio access network node in a telecommunications network. The method comprises: responsive to detection of a trigger event associated with a wireless device having a connection to the telecommunications network via the radio access network node or seeking to establish a connection to the telecommunications network via the radio access network node, transmitting, directly to a user plane core network node, a message initiating establishment of a user-plane tunnel for the connection between the radio access network node and the user plane core network node. The message comprises one or more of: an indication of an identifier of the wireless device; and an indication of an identifier of a session for the wireless device, and further comprises an indication of a downlink tunnel endpoint identifier of the radio access network node.

Abstract: A method and control plane node capable of receiving, from a requester, a request for a unique identifier, selecting an identifier from a pool comprising a plurality of unique identifiers held by the control plane node, creating a key representing the selected identifier in the pool, attempting to write to an initial version of a value of the created key in order to create a key-value pair in the key-value store, wherein the writing is successful if no write previously has been performed to said initial version of the value, and if so returning, to the requester, the selected identifier as an allocated identifier.

Abstract: A method is implemented by a programmable network device, where the method is to enable debugging of a parser in a packet processing pipeline of the programmable network device. The method includes receiving a packet for processing in the packet processing pipeline, initializing a tracing structure to record debugging information for the parser, adding a current state of the parser to the tracing structure, and determining a next state of the parser.

Abstract: A method is implemented by a network device to dynamically optimize lookup speed in a packet processing table maintained at the network device while the network device is in operation. The method includes determining one or more runtime metrics of the packet processing table, selecting a lookup algorithm for the packet processing table from a set of lookup algorithms supported by the network device based on the one or more runtime metrics of the packet processing table, and configuring the network device to match incoming packets against rules in the packet processing table using the selected lookup algorithm for the packet processing table.

Abstract: A technique for ciphering source data (306) into target data (308) is described. As to a method aspect of the technique, a level (302) of ciphering is determined for the source data (306). A key sequence (304) is generated depending on the determined level (302) of ciphering. The source data (306) and the key sequence (304) are combined resulting in the target data (308).

Abstract: A method and control plane node capable of receiving, from a requester, a request for a unique identifier, selecting an identifier from a pool comprising a plurality of unique identifiers held by the control plane node, creating a key representing the selected identifier in the pool, attempting to write to an initial version of a value of the created key in order to create a key-value pair in the key-value store, wherein the writing is successful if no write previously has been performed to said initial version of the value, and if so returning, to the requester, the selected identifier as an allocated identifier.

Abstract: A method, in a first node, for handling one or more jobs, wherein said first node receives a job over an incoming link, which job comprises a job value, wherein said method comprises the steps of determining, by said first node, a deviation of a queuing delay of the first communication node from a target queuing delay value, and using, by said first node, said deviation as an error value to determine a dropping probability which is used to determine a threshold value, wherein said threshold value corresponds to or is associated with a congestion level of a queue of the job, comparing, by said first node, the job value with the threshold value and establishing that said job value is below said threshold value, dropping, by said first node, said job based on said comparison.

Abstract: A technique for ciphering source data (306) into target data (308) is described. As to a method aspect of the technique, a level (302) of ciphering is determined for the source data (306). A key sequence (304) is generated depending on the determined level (302) of ciphering. The source data (306) and the key sequence (304) are combined resulting in the target data (308).

Abstract: A technique for reconfiguring a virtual machine in a cloud computing environment is disclosed. A method implementation of the technique comprises receiving (S310) a reconfiguration request from an application (110) being executed on the virtual machine in the cloud computing environment, the reconfiguration request indicating a desired resource allocation for the virtual machine, sending (S312) a reconfiguration response to the application (110), the reconfiguration response including a reconfiguration offer indicating a possible resource allocation for the virtual machine, receiving (S316) a reconfiguration acknowledgement from the application (110) indicating acceptance of the reconfiguration offer, and triggering (S318) reconfiguration of the virtual machine so as to allocate resources to the virtual machine according to the accepted reconfiguration offer.

Abstract: A method, in a first node, for handling one or more jobs, wherein said first node receives a job over an incoming link, which job comprises a job value, wherein said method comprises the steps of determining, by said first node, a deviation of a queuing delay of the first communication node from a target queuing delay value, and using, by said first node, said deviation as an error value to determine a dropping probability which is used to determine a threshold value, wherein said threshold value corresponds to or is associated with a congestion level of a queue of the job, comparing, by said first node, the job value with the threshold value and establishing that said job value is below said threshold value, dropping, by said first node, said job based on said comparison.

Abstract: A method is implemented by a network device to dynamically optimize lookup speed in a packet processing table maintained at the network device while the network device is in operation. The method includes determining one or more runtime metrics of the packet processing table, selecting a lookup algorithm for the packet processing table from a set of lookup algorithms supported by the network device based on the one or more runtime metrics of the packet processing table, and configuring the network device to match incoming packets against rules in the packet processing table using the selected lookup algorithm for the packet processing table.

Abstract: The invention relates to a counting unit (100) configured to count an amount of traffic events of a data packet traffic. The counting unit comprises a counting element (131) configured to store a value representing the amount of traffic events.

Abstract: A method is implemented by a network device to dynamically optimize lookup speed in a packet processing table maintained at the network device while the network device is in operation. The method includes determining one or more runtime metrics of the packet processing table, selecting a lookup algorithm for the packet processing table from a set of lookup algorithms supported by the network device based on the one or more runtime metrics of the packet processing table, and configuring the network device to match incoming packets against rules in the packet processing table using the selected lookup algorithm for the packet processing table.

Abstract: A technique for reconfiguring a virtual machine in a cloud computing environment is disclosed. A method implementation of the technique comprises receiving (S310) a reconfiguration request from an application (110) being executed on the virtual machine in the cloud computing environment, the reconfiguration request indicating a desired resource allocation for the virtual machine, sending (S312) a reconfiguration response to the application (110), the reconfiguration response including a reconfiguration offer indicating a possible resource allocation for the virtual machine, receiving (S316) a reconfiguration acknowledgement from the application (110) indicating acceptance of the reconfiguration offer, and triggering (S318) reconfiguration of the virtual machine so as to allocate resources to the virtual machine according to the accepted reconfiguration offer.

Abstract: The invention relates to a counting unit (100) configured to count an amount of traffic events of a data packet traffic. The counting unit comprises a counting element (131) configured to store a value representing the amount of traffic events.