1. A method comprising
providing a failover functionality for a first proxy function in cooperation with a serving function configured for servicing the first proxy function and a second proxy function, wherein the first proxy function has a security association with a client, and the first proxy function and the second proxy function are reachable with the same network address,
wherein providing the failover functionality comprises
sending data of the security association or data of the security association together with data of a registration of the client from the first proxy function to the serving function upon registering or re-registering the client at the first proxy function.
2. The method according to claim 1, wherein providing the failover functionality further comprises
receiving a registration message of the client via a load balancer entity at the first proxy function, wherein
the load balancer entity is configured for servicing the first proxy function and the second proxy function, and
the load balancer entity exhibits the same network address as the first proxy function and the second proxy function towards the client.
3. The method according to claim 1, wherein
the security association is established on an IPSec connection between the first proxy function and the client, andor
the security association is associated with an authentication of the client at the first proxy function on the basis of authentication and key agreement, andor
the data of the security association or the data of the security association together with the data of a registration of the client is sent in a registration message andor a session initiation protocol message or a header thereof.
4. A method, comprising
providing a failover functionality for a first proxy function in cooperation with a serving function configured for servicing the first proxy function and a second proxy function, wherein the first proxy function has a security association with a client, and the first proxy function and the second proxy function are reachable with the same network address,
wherein providing the failover functionality comprises
receiving data of the security association or data of the security association together with data of a registration of the client from the serving function at the second proxy function, and
creating an alternative security association between the second proxy function and the client on the basis of the received data.
5. The method according to claim 4, wherein
the receiving further comprises receiving a request according to a request message destined for the client.
6. The method according to claim 4, wherein providing the failover functionality further comprises
sending a request message towards the client via a load balancer entity, wherein
the load balancer entity is configured for servicing the first proxy function and the second proxy function, and
the load balancer entity exhibits the same network address as the first proxy function and the second proxy function towards the client.
7. The method according to claim 4, wherein
the alternative security association is established on an IPSec connection between the second proxy function and the client, andor
the security association is associated with an authentication of the client at the second proxy function on the basis of authentication and key agreement, andor
the data of the security association or the data of the security association together with the data of a registration of the client is received in a request message andor a session initiation protocol message or a header thereof.
8. The method according to claim 1, wherein
the method is operable at or by a network element configured to realize a proxy function, andor
the method is operable in a network based on an IP multimedia subsystem or a session initiation protocol, andor
the first andor second proxy function represents a proxy call state control function, andor
the serving function represents a serving call state control function.
9. A method comprising
facilitating provision of a failover functionality for a first proxy function in cooperation with the first proxy function and a second proxy function at a serving function configured for servicing the first proxy function and the second proxy function, wherein the first proxy function has a security association with a client, and the first proxy function and the second proxy function are reachable with the same network address,
wherein facilitating provision of the failover functionality comprises
receiving data of the security association or data of the security association together with data of a registration of the client from the first proxy function at the serving function, and
storing the received data for a registration period of the client.
10. The method according to claim 9, wherein facilitating provision of the failover functionality further comprises
detecting a failure of the first proxy function at the serving function,
selecting the second proxy function as a failover proxy function for the failed first proxy function, and
sending the received data from the serving function to the second proxy function.
11. The method according to claim 9, wherein
a detecting operation for detecting a failure of the first proxy function is performed upon receiving a request message destined for the client, andor
the sending further comprises sending a request according to the received request message.
12. The method according to claim 9, wherein
the security association is associated with an authentication of the client at the first proxy function on the basis of authentication and key agreement, andor
said data is received from the first proxy function in a registration message andor a session initiation protocol message or a header thereof, andor
said data is sent to the second proxy function in a request message andor a session initiation protocol message or a header thereof.
13. The method according to claim 9, wherein
the method is operable at or by a network element configured to realize a serving function, andor
the method is operable in a network based on an IP multimedia subsystem or a session initiation protocol, andor
the first andor second proxy function represents a proxy call state control function, andor
the serving function represents a serving call state control function.
14. An apparatus comprising
an interface configured to communicate with at least another apparatus,
a memory configured to store computer program code, and
a processor configured to cause the apparatus to perform:
providing a failover functionality for a first proxy function in cooperation with a serving function configured for servicing the first proxy function and a second proxy function, wherein the first proxy function has a security association with a client, and the first proxy function and the second proxy function are reachable with the same network address,
wherein the processor is configured to cause the apparatus to perform for providing the failover functionality:
sending data of the security association or data of the security association together with data of a registration of the client to the serving function upon registering or re-registering the client at the first proxy function.
15. The apparatus according to claim 14, wherein the processor is configured to cause the apparatus to further perform for providing the failover functionality:
receiving a registration message of the client via a load balancer entity, wherein
the load balancer entity is configured for servicing the first proxy function and the second proxy function, and
the load balancer entity exhibits the same network address as the first proxy function and the second proxy function towards the client.
16. The apparatus according to claim 14, wherein
the security association is established on an IPSec connection between the first proxy function and the client, andor
the security association is associated with an authentication of the client at the first proxy function on the basis of authentication and key agreement, andor
the processor is configured to cause the apparatus to send the data of the security association or the data of the security association together with the data of a registration of the client in a registration message andor a session initiation protocol message or a header thereof.
17. An apparatus comprising
an interface configured to communicate with at least another apparatus,
a memory configured to store computer program code, and
a processor configured to cause the apparatus to perform:
providing a failover functionality for a first proxy function in cooperation with a serving function configured for servicing the first proxy function and a second proxy function, wherein the first proxy function has a security association with a client, and the first proxy function and the second proxy function are reachable with the same network address,
wherein the processor is configured to cause the apparatus to perform for providing the failover functionality:
receiving data of the security association or data of the security association together with data of a registration of the client from the serving function, and
creating an alternative security association with the client on the basis of the received data.
18. The apparatus according to claim 17, wherein
the processor is configured to cause the apparatus to further perform, in the receiving, receiving a request according to a request message destined for the client.
19. The apparatus according to claim 17, wherein the processor is configured to cause the apparatus to perform for providing the failover functionality:
sending a request message towards the client via a load balancer entity, wherein
the load balancer entity is configured for servicing the first proxy function and the second proxy function, and
the load balancer entity exhibits the same network address as the first proxy function and the second proxy function towards the client.
20. The apparatus according to claim 17, wherein
the alternative security association is established on an IPSec connection between the second proxy function and the client, andor
the security association is associated with an authentication of the client at the second proxy function on the basis of authentication and key agreement, andor
the processor is configured to cause the apparatus to receive the data of the security association or the data of the security association together with the data of a registration of the client in a request message andor a session initiation protocol message or a header thereof.
21. The apparatus according to claim 14, wherein
the apparatus is operable as or at a network element configured to realize a proxy function, andor
the apparatus comprises the first and second proxy functions in an advanced telecommunications computing architecture or as a virtual network element,
the apparatus is operable in a network based on an IP multimedia subsystem or a session initiation protocol, andor
the first andor second proxy function represents a proxy call state control function, andor
the serving function represents a serving call state control function.
22. An apparatus comprising
an interface configured to communicate with at least another apparatus,
a memory configured to store computer program code, and
a processor configured to cause the apparatus to perform:
facilitating provision of a failover functionality for a first proxy function in cooperation with the first proxy function and a second proxy function at a serving function configured for servicing the first proxy function and the second proxy function, wherein the first proxy function has a security association with a client, and the first proxy function and the second proxy function are reachable with the same network address,
wherein the processor is configured to cause the apparatus to perform for facilitating provision of the failover functionality:
receiving data of the security association or data of the security association together with data of a registration of the client from the first proxy function, and
storing the received data for a registration period of the client.
23. The apparatus according to claim 22, wherein the processor is configured to cause the apparatus to further perform for facilitating provision of the failover functionality:
detecting a failure of the first proxy function,
selecting the second proxy function as a failover proxy function for the failed first proxy function, and
sending the received data to the second proxy function.
24. The apparatus according to claim 22, wherein the processor is configured such that:
a detecting operation for detecting a failure of the first proxy function is performed upon receiving a request message destined for the client, andor
the sending further comprises sending a request according to the received request message.
25. The apparatus according to claim 22, wherein
the security association is associated with an authentication of the client at the first proxy function on the basis of authentication and key agreement, andor
the processor is configured to cause the apparatus to receive said data from the first proxy function in a registration message andor a session initiation protocol message or a header thereof, andor
the processor is configured to cause the apparatus to send said data to the second proxy function in a request message andor a session initiation protocol message or a header thereof.
26. The apparatus according to claim 22, wherein
the apparatus is operable as or at a network element configured to realize a serving function, andor
the apparatus is operable in a network based on an IP multimedia subsystem or a session initiation protocol, andor
the first andor second proxy function represents a proxy call state control function, andor
the serving function represents a serving call state control function.
27. A computer program product embodied on a non-transitory computer-readable medium comprising computer-executable computer program code which, when the program is run on a computer, is configured to cause the computer to carry out the method according to claim 1.
28. (canceled)
29. A computer program product embodied on a non-transitory computer-readable medium comprising computer-executable computer program code which, when the program is run on a computer, is configured to cause the computer to carry out the method according to claim 9.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A tilt angle sensor layout structure for vehicle, the vehicle comprising
a vehicle body,
a steering mechanism provided at a front portion of the vehicle body and including a handlebar and a steering shaft,
a vehicle body frame, the vehicle body frame comprising a plurality of frame members which support said steering mechanism,
at least three wheels operatively attached to the vehicle body frame,
an engine supported on said vehicle body frame,
a fuel tank supported on said vehicle body frame,
a fuel injection system for supplying fuel from the fuel tank to said engine, and
a tilt angle sensor operatively attached to a portion of said vehicle body frame, wherein
the tilt angle sensor is operable to detect a tilt angle in a left-right direction of said vehicle body,
the plurality of frame members which support said steering mechanism cooperate to define a closed frame loop, and
said tilt angle sensor is disposed on said frame loop.
2. The tilt angle sensor layout structure for a vehicle as set forth in claim 1, wherein said fuel injection system comprises a relay for controlling fuel supply to said engine on the basis of a signal from said tilt angle sensor, and
said relay is operatively attached to said vehicle body frame proximate said tilt angle sensor.
3. The tilt angle sensor layout structure for a vehicle as set forth in claim 2, wherein said tilt angle sensor and said relay are attached to said vehicle body frame via a common bracket.
4. The tilt angle sensor layout structure for a vehicle as set forth in claim 1, wherein said fuel injection system comprises a relay for controlling the fuel supply to said engine on the basis of a signal from said tilt angle sensor, and
said tilt angle sensor and said relay are attached to one of said plurality of frame members so as to be disposed on opposed sides thereof.
5. The tilt angle sensor layout structure for a vehicle as set forth in claim 1, wherein the tilt angle sensor is attached to one of said plurality of frame members on a rearward side thereof, such that the tilt sensor is substantially shielded from impact with airborne debris via the frame member to which it is attached.
6. The tilt angle sensor layout structure for a vehicle as set forth in claim 1, wherein tilt angle sensor comprises
a sensor housing,
a partition wall partitioning the sensor housing into plural chambers,
a weighted member pivotally extending from said partition wall,
the partition wall comprising at least one sensing body for detecting the proximity of the weighted member with respect to the partition wall,
wherein the tilt angle sensor outputs a signal when said sensing body detects proximity of the weighted member within a predetermined proximity range.
7. In a vehicle of the type comprising
a vehicle body,
a steering mechanism provided at a front portion of the vehicle body and including a handlebar and a steering shaft,
a vehicle body frame, the vehicle body frame comprising a plurality of frame members which support said steering mechanism,
at least three wheels operatively attached to the vehicle body frame,
an engine supported on said vehicle body frame,
a fuel tank supported on said vehicle body frame, and
a fuel injection system for supplying fuel from the fuel tank to said engine,
the improvement comprising a tilt angle sensor layout structure, in which:
a tilt angle sensor is operatively attached to a portion of said vehicle body frame, said tilt angle sensor being operable to detect a tilt angle in a left-right direction of said vehicle body,
wherein the plurality of frame members which support said steering mechanism cooperate to define a closed frame loop, and
wherein said tilt angle sensor is disposed on said frame loop.
8. The vehicle as set forth in claim 7, wherein said fuel injection system comprises a relay for controlling the fuel supply to said engine on the basis of a signal from said tilt angle sensor, and
wherein said relay is attached to said vehicle body frame proximate said tilt angle sensor.
9. The vehicle as set forth in claim 7, wherein said fuel injection system comprises a relay for controlling the fuel supply to said engine, wherein the relay operates based on a signal from said tilt angle sensor, and
wherein said tilt angle sensor and said relay are attached to said vehicle body frame via a common bracket.
10. The vehicle as set forth in claim 7, wherein said fuel injection system comprises a relay for controlling the fuel supply to said engine on the basis of a signal from said tilt angle sensor, and
wherein said tilt angle sensor and said relay are attached to one of said plurality of frame members so as to be disposed on opposed sides thereof.
11. The vehicle as set forth in claim 7, wherein the tilt angle sensor is attached to one of said plurality of frame members on a rearward side thereof, such that the tilt angle sensor is substantially shielded from impact with airborne debris via the frame member to which it is attached.
12. The vehicle as set forth in claim 7, wherein tilt angle sensor comprises
a sensor housing,
a partition wall partitioning the sensor housing into plural chambers,
a weighted member pivotally extending from said partition wall,
the partition wall comprising at least one sensing body for detecting the proximity of the weighted member with respect to the partition wall,
wherein the tilt angle sensor outputs a signal when said sensing body detects proximity of the weighted member within a predetermined proximity range.
13. An all-terrain vehicle, comprising:
a vehicle body,
a steering mechanism provided at a front portion of the vehicle body and including a handlebar and a steering shaft,
a vehicle body frame, the vehicle body frame comprising a plurality of frame members which support said steering mechanism,
at least three wheels operatively attached to the vehicle body frame,
an engine supported on said vehicle body frame,
a fuel tank supported on said vehicle body frame,
a fuel injection system for supplying fuel from the fuel tank to said engine, and
a tilt angle sensor operatively attached to a portion of said vehicle body frame, wherein
the tilt angle sensor is operable to detect a tilt angle in a left-right direction of said vehicle body,
the plurality of frame members which support said steering mechanism cooperate to define a closed frame loop, and
said tilt angle sensor is disposed on said frame loop.
14. The vehicle as set forth in claim 13, wherein said fuel injection system comprises a relay for controlling fuel supply to said engine on the basis of a signal from said tilt angle sensor, and
wherein said relay is operatively attached to said vehicle body frame proximate said tilt angle sensor.
15. The vehicle as set forth in claim 14, wherein said tilt angle sensor and said relay are attached to said vehicle body frame via a common bracket.
16. The vehicle as set forth in claim 13, wherein said fuel injection system comprises a relay for controlling the fuel supply to said engine on the basis of a signal from said tilt angle sensor, and
said tilt angle sensor and said relay are attached to one of said plurality of frame members so as to be disposed on opposed sides thereof.
17. The vehicle as set forth in claim 13, wherein the tilt angle sensor is attached to one of said plurality of frame members on a rearward side thereof, such that the tilt sensor is substantially shielded from impact with airborne debris via the frame member to which it is attached.
18. The vehicle as set forth in claim 13, wherein tilt angle sensor comprises
a sensor housing,
a partition wall partitioning the sensor housing into plural chambers,
a weighted member pivotally extending from said partition wall,
the partition wall comprising at least one sensing body for detecting the proximity of the weighted member with respect to the partition wall,
wherein the tilt angle sensor outputs a signal when said sensing body detects proximity of the weighted member within a predetermined proximity range.