Abstract:
The application concerns a method for invoking a communication service that is realized by means of a peer of a peer-to-peer system, the method comprising the step of identifying a peer hosting the communication service and invoking the communication service by means of a distributed directory, where the distributed directory carrying entries that enable a client to invoke the communication service, the method further comprising the step of identifying an alternative peer hosting an alternative communication service in case the identified peer or the communication service is unavailable, where the distributed directory carrying entries that enable a client to invoke the alternative communication service. And the application concerns a computer software product and a telecommunication system for providing communication services corresponding to the method.
Abstract:
A device for cooling a coolant, for cooling a charging fluid for charging an internal combustion engine is provided that includes a refrigerant guide, particularly a refrigerant circuit, and a coolant guide, particularly a coolant circuit; wherein the refrigerant guide comprises a first evaporator for a refrigerant for cooling an ambient air and a second evaporator for a refrigerant for cooling the coolant, the coolant guide comprises a heat exchanger for the charging fluid, a coolant cooler, and the second evaporator for the refrigerant of the refrigerant guide for cooling the coolant. In a first variant, the first and the second evaporator are disposed in series in the refrigerant guide. In a second variant, the first evaporator and the second evaporator are disposed in parallel in the refrigerant guide, particularly wherein a suction throttle is disposed downstream in the refrigerant flow after the second evaporator. A refrigerant bypass for the first and/or second evaporator serves for controlling the performance of the first and/or second evaporator.
Abstract:
Embodiments of the invention concern a method of redundant data storage in a peer-to-peer overlay network (N), and a network node (211) and a computer program product to execute said method. The peer-to-peer overlay network (N) comprises a plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240). A physical hardware on which a first node (211) of said plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240) runs is identified. At least one second node (240) of said plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240) which runs on a different physical hardware than the first node (211) is determined. A replica (203) of data for which the first node (211) is responsible is stored on the at least one second node (240) in addition to or instead of storing a replica (203) of the data on a next logical node (223) of the first node, whereby said next logical node (223) is a node of the plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240) neighbouring the first node (211) with regard to a topology structure of the peer-to-peer overlay network (N).
Abstract:
A system for a motor vehicle for heating and/or cooling a battery and a motor vehicle interior is provided that includes a first coolant circuit thermally coupled to the battery, a second coolant circuit for heating the motor vehicle interior having an air heat exchanger for outputting heat from the second coolant circuit to the air of the interior of the motor vehicle, and a heating unit for heating the second coolant circuit. The first coolant circuit and the second coolant circuit are thermally coupled to each other for heating the battery using heat from the second coolant circuit and/or for cooling the air of the motor vehicle interior, in that heat from the second coolant circuit can be fed to the first coolant circuit by the circuit heat exchanger or the mixing valve.
Abstract:
A heat exchanger is provided that comprises at least two rows of low channels through which a liquid medium can flow, and secondary surfaces arranged between the flow channels and over which air flows, the liquid medium and the air being circulated in the cross-counterflow and the first row being arranged on the air outlet side and the second row on the air inlet side. According to the invention, the liquid medium enters a first region of the first row, is deflected into a second region inside the first row, and from the second region of the first row into the second row.
Abstract:
A system for a motor vehicle for heating and/or cooling a battery and a motor vehicle interior is provided that includes a first coolant circuit thermally coupled to the battery, a second coolant circuit for heating the motor vehicle interior having an air heat exchanger for outputting heat from the second coolant circuit to the air of the interior of the motor vehicle, and a heating unit for heating the second coolant circuit. The first coolant circuit and the second coolant circuit are thermally coupled to each other for heating the battery using heat from the second coolant circuit and/or for cooling the air of the motor vehicle interior, in that heat from the second coolant circuit can be fed to the first coolant circuit by the circuit heat exchanger or the mixing valve.
Abstract:
The invention relates to a heat exchanger, in particular an evaporator (1), with a plurality of refrigerant-carrying pipes (6, 7) which are arranged next to one another and end in at least one collecting vessel (9), and with at least one cold accumulator (4), in which a cold accumulating medium is provided, wherein the evaporator (1) has two regions arranged parallel to each other, a first region (1′) and a second region (1′), and the cold accumulator (4) is arranged in the second region (1′). In this case, the refrigerant-carrying pipes (6, 7) of the first and second regions (1′,1′) are arranged in line with one another and have a width corresponding to one another (b1, b2, b3), and the first and second regions (1′, 1′) have common, continuous corrugated ribs (8).
Abstract:
The application concerns a method for invoking a communication service that is realized by means of a peer of a peer-to-peer system, the method comprising the step of identifying a peer hosting the communication service and invoking the communication service by means of a distributed directory, where the distributed directory carrying entries that enable a client to invoke the communication service, the method further comprising the step of identifying an alternative peer hosting an alternative communication service in case the identified peer or the communication service is unavailable, where the distributed directory carrying entries that enable a client to invoke the alternative communication service. And the application concerns a computer software product and a telecommunication system for providing communication services corresponding to the method.
Abstract:
The invention concerns a method of providing a successor list (L) for routing in a peer-to-peer overlay network (N), and a network node and a computer program product to execute this method. The peer-to-peer overlay network (N) comprises a plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240). The successor list (L) specifies identifiers of at least two successor nodes (211, 223) subsequently succeeding a first node (200) of the plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240) with regard to a topology structure of the peer-to-peer overlay network. It is determined whether the at least two successor nodes (211, 223) listed in the successor list (L) run on the same physical hardware. If the at least two successor nodes (211, 223) run on the same physical hardware, an identifier of at least one additional node (240) of the plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240) which succeeds the at least two successor nodes (211, 223) with regard to the topology structure of the peer-to-peer overlay network (N) and runs on a different physical hardware than the at least two successor nodes (211, 223) is added to the successor list (L).
Abstract:
Embodiments of the invention concern a method of redundant data storage in a peer-to-peer overlay network (N), and a network node (211) and a computer program product to execute said method. The peer-to-peer overlay network (N) comprises a plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240). A physical hardware on which a first node (211) of said plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240) runs is identified. At least one second node (240) of said plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240) which runs on a different physical hardware than the first node (211) is determined. A replica (203) of data for which the first node (211) is responsible is stored on the at least one second node (240) in addition to or instead of storing a replica (203) of the data on a next logical node (223) of the first node, whereby said next logical node (223) is a node of the plurality of nodes (0, 20, 50, 87, 112, 140, 179, 200, 211, 223, 240) neighboring the first node (211) with regard to a topology structure of the peer-to-peer overlay network (N).