Abstract
The invention relates to a method for discovering a home agent serving a mobile node upon the mobile node changing its mobility management scheme in a packet-switched network and the implementation of such method in a mobile node or home agent. In order to propose a home agent discover scheme that maintains session continuity in a seamless manner upon a mobile node changing its mobility management scheme, a mobile node comprises information on its location prior to changing the mobility management scheme to one of the first signaling messages transmitted upon changing the mobility management scheme (home agent discovery message). The receiving node uses this information to identify the home agent serving the mobile node or to provide a hint to the home agent where the mobile node is registered in a response message to the mobile node.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | Yes | Basis Patent |
Specification Information
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WO2009103460A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Basis Patent | ||||
WO2009103460A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
CN102007752A | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
CN102007752A | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
CN102007752B | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
CN102007752B | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
CN103442347A | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
CN103442347A | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
CN103442347B | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
CN103442347B | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
EP2091204A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | No | Family Member | ||||
EP2091204A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
EP2245820A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
EP2245820A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
EP2245820B1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
EP2245820B1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
EP2709390A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
EP2709390A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
EP2709390B1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
EP2709390B1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
JP2011515900A | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
JP2011515900A | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
JP4948652B2 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
JP4948652B2 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
JP2012157023A | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
JP2012157023A | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
JP5367109B2 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
JP5367109B2 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US2011026435A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | No | Family Member | ||||
US2011026435A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US2013322311A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US2013322311A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US9288658B2 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US9288658B2 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US2016119772A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US2016119772A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US9439059B2 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US9439059B2 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US2016345159A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US2016345159A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US9635539B2 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US9635539B2 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US9930518B2 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US9930518B2 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | Yes | Basis Patent | ||||
US10111084B2 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US10111084B2 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US2018184279A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US2018184279A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
US2019020995A1 | 4G,3G | 22/09/2019 | ISLD-201912-056 | SUN PATENT TRUST | Yes | Family Member | ||||
US2019020995A1 | 4G,3G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST | No | Family Member | ||||
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Technologies
Product
Home Agent
Use Cases
Services
Claim
1. An integrated circuit comprising circuitry configured to control a process of discovering a node serving a mobile node upon the mobile node changing its mobility management scheme, the integrated circuit comprising:
an input node, circuitry coupled to the input node, and an output node coupled to the circuitry, wherein,
the output node, when a mobile changes its mobility management scheme from a network-based mobility management scheme to a client-based mobility management scheme, outputs for transmission to a second node, which is discoverable in the client-based mobility management scheme, an Internet Key Exchange (IKEv2) request message to establish a security association with the second node, wherein the mobile node prior to changing the mobility management scheme is attached to a network including a first node, which is supported in the network-based mobility management scheme and is selected for the mobile node, and the IKEv2 request message includes a Network Access Identifier (NAI) of the mobile node having a network prefix assigned to the mobile node,
the input node, in operation, receives from the second node an IKEv2 response message including redirect information containing one of an IP address of the first node and hints, the hints including at least one of an address prefix and a domain name and allowing the mobile node to derive a valid address of the first node, the valid address including one of an anycast group address, a multicast group address, and a unicast address, and
the output node, in operation, outputs an IP address registration request, for transmission to the first node, to which the mobile node is redirected, using the IP address of the first node to register a new address with the first node to establish a new security association with the first node.
2. The integrated circuit according to claim 1, wherein the second node is different from the first node.
3. The integrated circuit according to claim 1, wherein the IKEv2 request message is transmitted to the second node using an anycast address, a multicast address, or a unicast address.
4. The integrated circuit according to claim 1, wherein the IP address registration request is transmitted to the first node using the hints contained in the redirect information included in the IKEv2 response message.
5. An integrated circuit comprising circuitry configured to control a process of discovering a node serving a mobile node upon the mobile node changing its mobility management scheme, the circuitry configured to:
when the mobile node changes its mobility management scheme from a network-based mobility management scheme to a client-based mobility management scheme, output for transmission to a second node, which is discoverable in the client-based mobility management scheme, an Internet Key Exchange (IKEv2) request message to establish a security association with the second node, wherein the mobile node prior to changing the mobility management scheme is attached to a network including a first node, which is supported in the network-based mobility management scheme and is selected for the mobile node, and the IKEv2 request message includes a Network Access Identifier (NAI) of the mobile node having a network prefix assigned to the mobile node, receive from the second node an IKEv2 response message including redirect information containing one of an IP address of the first node and hints, the hints including at least one of an address prefix and a domain name and allowing the mobile node to derive a valid address of the first node, the valid address including one of an anycast group address, a multicast group address, and a unicast address, and output an IP address registration request, for transmission to the first node, to which the mobile node is redirected, using the IP address of the first node to register a new address with the first node to establish a new security association with the first node.
6. The integrated circuit according to claim 5, wherein the second node is different from the first node.
7. The integrated circuit according to claim 5, wherein the IKEv2 request message is transmitted to the second node using an anycast address, a multicast address, or a unicast address.
8. The integrated circuit according to claim 5, wherein the IP address registration request is transmitted to the first node using the hints contained in the redirect information included in the IKEv2 response message.
9. A method for discovering a node serving a mobile node upon the mobile node changing its mobility management scheme, the method comprising:
the mobile node, when changing its mobility management scheme from a network-based mobility management scheme to a client-based mobility management scheme, transmitting to a second node, which is discoverable in the client-based mobility management scheme, an Internet Key Exchange (IKEv2) request message to establish a security association with the second node, wherein the mobile node prior to changing the mobility management scheme is attached to a network including a first node, which is supported in the network-based mobility management scheme and is selected for the mobile node, and the IKEv2 request message includes a Network Access Identifier (NAI) of the mobile node having a network prefix assigned to the mobile node, the mobile node receiving, from the second node, an IKEv2 response message including redirect information containing one of an IP address of the first node and hints, the hints including at least one of an address prefix and a domain name and allowing the mobile node to derive a valid address of the first node, the valid address including one of an anycast group address, a multicast group address, and a unicast address, and the mobile node transmitting an IP address registration request to the first node, to which the mobile node is redirected, using the IP address of the first node to register a new address with the first node to establish a new security association with the first node.
10. The method according to claim 9, wherein the second node is different from the first node.
11. The method according to claim 9, wherein the IKEv2 request message is transmitted to the second node using an anycast address, a multicast address, or a unicast address.
12. The method according to claim 9, wherein the IP address registration request is transmitted to the first node using the hints contained in the redirect information included in the IKEv2 response message.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.