Method and apparatus for providing local breakout in a mobile network
First Claim
1. A Local Breakout Gateway node for use in a hierarchical mobile network, the node comprising:
- a database comprising a plurality of Local Breakout Policy rules;
a receiver for receiving an IP packet from a Mobile Node attached to the network at which the node is located, the network being a visited network for the Mobile Node, and the Mobile Node having a Global Home Address and a Local Home Address;
selection means for selecting a Local Breakout Policy from the plurality of Local Breakout Policy rules;
application means to apply the Local Breakout Policy to the received IP packet;
a Network Address Translation function to apply a Network Address Translation in accordance with the applied Local Breakout Policy to the received IP packet; and
a transmitter for sending the IP packet to a destination according to the applied Local Breakout Policy.
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Accused Products
Abstract
There is provided a Local Breakout Gateway node for use in a hierarchical mobile network. The node comprises a database, which stores a plurality of Local Breakout Policy rules. The node further comprises a receiver for receiving an IP packet from a Mobile Node attached to the network at which the node is located, the network being a visited network for the Mobile Node. The node further comprises means for selecting a Local Breakout Policy from the plurality of Local Breakout Policy rules, and means to apply the selected Local Breakout Policy to the received IP packet. The node further comprises a Network Address translation function to apply a Network Address Translation to the received IP packet, and a transmitter for sending the IP packet to a destination according to the applied Local Breakout Policy.
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Citations
12 Claims
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1. A Local Breakout Gateway node for use in a hierarchical mobile network, the node comprising:
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a database comprising a plurality of Local Breakout Policy rules; a receiver for receiving an IP packet from a Mobile Node attached to the network at which the node is located, the network being a visited network for the Mobile Node, and the Mobile Node having a Global Home Address and a Local Home Address; selection means for selecting a Local Breakout Policy from the plurality of Local Breakout Policy rules; application means to apply the Local Breakout Policy to the received IP packet; a Network Address Translation function to apply a Network Address Translation in accordance with the applied Local Breakout Policy to the received IP packet; and a transmitter for sending the IP packet to a destination according to the applied Local Breakout Policy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of applying Local Breakout to an IP packet, at a Local Breakout node located in a visited network, the method comprising:
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receiving an IP packet from a Mobile Node attached to the visited network, the Mobile Node having a Global Home Address and a Local Home Address; selecting a Local Breakout Policy from a plurality of Local Breakout Policy rules stored in a database; applying the Local Breakout Policy to the received IP packet; applying a Network Address Translation in accordance with the applied Local Breakout Policy to the received IP packet; and transmitting the IP packet to a destination according to the applied Local Breakout Policy. - View Dependent Claims (11, 12)
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Specification