Method of anchoring flows
First Claim
Patent Images
1. A method of anchoring an IP flow comprising:
- receiving the IP flow of a plurality of IP flows from a mobile node at an attached access router;
transferring the IP flow from the attached access router to an original access router, the attached access router not diverting the IP flow through its attached server and the original access router maintaining a host table associated with the mobile node; and
accessing a server attached to the original access router to service the IP flow,wherein the original access router is a router that the mobile node was attached to prior to the attached access router.
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Abstract
A method is described for anchoring IP flows in a network. An IP flow is transmitted by a mobile node and received at a access router attached to the mobile node. The IP flow is transferred to an original access router, which maintains a host table associated with the mobile node. And a server that is attached to the original access router may be accessed to service the IP flow.
31 Citations
49 Claims
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1. A method of anchoring an IP flow comprising:
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receiving the IP flow of a plurality of IP flows from a mobile node at an attached access router; transferring the IP flow from the attached access router to an original access router, the attached access router not diverting the IP flow through its attached server and the original access router maintaining a host table associated with the mobile node; and accessing a server attached to the original access router to service the IP flow, wherein the original access router is a router that the mobile node was attached to prior to the attached access router. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of anchoring an IP flow comprising:
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receiving the IP flow of a plurality of IP flows from a mobile node at an attached access router; forwarding the IP flow from the attached access router to an original access router; transmitting the IP flow to a home agent associated with the mobile node, the home agent maintaining a flow table associated with the mobile node; and forwarding the IP flow to a connecting node, wherein the original access router is a router that the mobile node was attached to prior to the attached access router and wherein the original access router utilizes a configuration server to determine a home agent IP address and a mobile node IP address. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A method of anchoring IP flows comprising:
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establishing a first flow table at an attached access router identifying an original access router for each IP flow of a plurality of IP flows; receiving an IP flow of the plurality of IP flows at the attached access router from a mobile node; determining the original access router for the IP flow; and forwarding the IP flow from the attached access router to the original access router, the attached access router not diverting the IP flow through its attached server, wherein the original access router is a router that the mobile node was attached to prior to the attached access router. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
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38. A method of anchoring an IP flow comprising:
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receiving the IP flow from a mobile node at an attached access router; routing the IP flow from the attached access router to an original access router, the attached access router not diverting the IP flow through its attached server; and diverting the IP flow through an original access router'"'"'s attached server. - View Dependent Claims (39, 40, 41)
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42. An apparatus for anchoring an IP flow comprising:
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means for receiving the IP flow of a plurality of IP flows from a mobile node at an attached access router; means for transferring the IP flow from the attached access router to an original access router, attached access router not diverting the IP flow through its attached server and the original access router maintaining a host table associated with the mobile node; and means for accessing a server attached to the original access router to service the IP flow, wherein the original access router is a router that the mobile node was attached to prior to the attached access router. - View Dependent Claims (43, 44)
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45. An apparatus for anchoring an IP flow comprising:
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a first access router configured to receive the IP flow of a plurality of IP flows from a mobile node, the mobile node being attached to the first access router; a second access router configured to receive the IP flow from the first access router, the second access router further configured to maintain a host table associated with the mobile node; and a server configured to service the IP flow, the server being attached to the second access router, wherein the first access router does not divert the IP flow through its attached server, and wherein the second access router is a router that the mobile node was attached to prior to the first access router. - View Dependent Claims (46, 47, 48, 49)
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Specification