Apparatus and method for recovering communication sessions in a wireless network gateway
First Claim
1. A wireless network gateway capable of bidirectionally transmitting data between a wireless network and a packet data network associated with said wireless network, said wireless network gateway comprising:
- N input-output processors capable of receiving data packets from, and transmitting data packets to, said wireless network and said packet data network;
M service processors capable of performing packet data serving node (PDSN) functions associated with data sessions between said packet data network and mobile stations communicating with said wireless network;
a switch fabric capable of bidirectionally coupling said N input-output processors and said M service processors; and
P switch modules, each of said P switch modules capable of bidirectionally transferring data packets between said switch fabric and at least one of said N input-output processors, wherein a first one of said P switch modules stores session bindings information associated with a first data session between a first mobile station and said packet data network.
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Abstract
A wireless network gateway for transmitting data between a wireless network and a packet data network. The wireless network gateway comprises: 1) N input-output processors for transmitting and receiving data packets to and from the wireless network and the packet data network; 2) M service processors for performing packet data serving node (PDSN) functions associated with data sessions between the packet data network and mobile stations communicating with the wireless network; 3) a switch fabric for the N input-output processors and the M service processors; and 4) P switch modules. Each of the P switch modules transfers data packets between the switch fabric and at least one input-output processors. A first switch module stores session bindings information associated with a first data session between a first mobile station and the packet data network.
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Citations
24 Claims
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1. A wireless network gateway capable of bidirectionally transmitting data between a wireless network and a packet data network associated with said wireless network, said wireless network gateway comprising:
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N input-output processors capable of receiving data packets from, and transmitting data packets to, said wireless network and said packet data network;
M service processors capable of performing packet data serving node (PDSN) functions associated with data sessions between said packet data network and mobile stations communicating with said wireless network;
a switch fabric capable of bidirectionally coupling said N input-output processors and said M service processors; and
P switch modules, each of said P switch modules capable of bidirectionally transferring data packets between said switch fabric and at least one of said N input-output processors, wherein a first one of said P switch modules stores session bindings information associated with a first data session between a first mobile station and said packet data network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A telecommunication network comprising:
a wireless network capable of wirelessly communicating with mobile stations via packet data sessions;
a packet data network capable of transmitting data packets between said wireless network and end-user devices associated with said packet data network;
a wireless network gateway capable of bidirectionally transmitting data between said wireless network and said packet data network, said wireless network gateway comprising;
N input-output processors capable of receiving data packets from, and transmitting data packets to, said wireless network and said packet data network;
M service processors capable of performing packet data serving node (PDSN) functions associated with data sessions between said packet data network and mobile stations communicating with said wireless network;
a switch fabric capable of bidirectionally coupling said N input-output processors and said M service processors; and
P switch modules, each of said P switch modules capable of bidirectionally transferring data packets between said switch fabric and at least one of said N input-output processors, wherein a first one of said P switch modules stores session bindings information associated with a first data session between a first mobile station and said packet data network. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. For use in a wireless network gateway capable of bidirectionally transmitting data between a wireless network and a packet data network associated with the wireless network, a method of operating the wireless network gateway comprising the steps of:
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in N input-output processors, receiving data packets from, and transmitting data packets to, the wireless network and the packet data network;
in M service processors, performing packet data serving node (PDSN) functions associated with data sessions between the packet data network and mobile stations communicating with the wireless network;
in P switch modules, bidirectionally transferring data packets between a switch fabric and at least one of the N input-output processors, wherein a first one of the P switch modules stores session bindings information associated with a first data session between a first mobile station and the packet data network. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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Specification