Internal substitution bi-level addressing for compatible public networks
First Claim
1. A computer readable medium that stores a program in an ingress capable network device of a network for routing signals through the network, the computer readable medium comprising:
- a receiving code segment for receiving an original signal, the original signal comprising an embedded destination service address;
a querying code segment for querying a database server to obtain an internal routing address corresponding to the embedded destination service address; and
a routing code segment for routing at least a portion of the original signal through the network to an egress capable network device according to the internal routing address, the routed portion of the original signal including at least the embedded destination service address, enabling the egress capable network device to restore the embedded destination service address and to forward the routed portion of the original signal from the network,wherein the routed portion of the original signal comprises a transit signal.
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Abstract
A computer readable medium stores a program in an ingress capable network device of a network for routing signals through the network. The computer readable includes a receiving code segment for receiving an original signal, which has an embedded destination service address. The computer readable medium also includes a querying code segment for querying a database server to obtain an internal routing address corresponding to the embedded destination service address, and a routing code segment for routing at least a portion of the original signal through the network to an egress capable network device according to the internal routing address. The routed portion of the original signal includes at least the embedded destination service address, which enables the egress capable network device to restore the embedded destination service address and to forward the routed portion of the original signal from the network.
65 Citations
19 Claims
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1. A computer readable medium that stores a program in an ingress capable network device of a network for routing signals through the network, the computer readable medium comprising:
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a receiving code segment for receiving an original signal, the original signal comprising an embedded destination service address; a querying code segment for querying a database server to obtain an internal routing address corresponding to the embedded destination service address; and a routing code segment for routing at least a portion of the original signal through the network to an egress capable network device according to the internal routing address, the routed portion of the original signal including at least the embedded destination service address, enabling the egress capable network device to restore the embedded destination service address and to forward the routed portion of the original signal from the network, wherein the routed portion of the original signal comprises a transit signal. - View Dependent Claims (2, 3, 4)
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5. A computer readable medium that stores a program in an ingress capable network device of a network for routing signals through the first network, the computer readable medium comprising:
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a receiving code segment for receiving an original signal, the original signal comprising a destination address identifier corresponding to a destination service address; a querying code segment for providing the destination address identifier to a database server and receiving an internal routing address corresponding to the destination address identifier; a substituting code segment for substituting the destination address identifier with the internal routing address in a transit signal, the transit signal comprising at least a portion of the original signal and retaining the destination address identifier in a separate portion; and a routing code segment for routing the transit signal through the network to an egress capable network device based on the internal routing address, enabling the egress capable network device to restore the destination address identifier from the separate portion of the transit signal, and to forward the transit signal from the network based on the restored destination address identifier. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for routing signals through a network, the system comprising:
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a database server in the network that stores a plurality of internal routing addresses; and an ingress edge device in the network that receives an original signal comprising a destination address identifier from outside the network, provides the destination address identifier to the database server, receives an internal routing address from the database server corresponding to the destination address identifier, and routes at least a portion of the original signal to an egress edge device in the network based on the internal routing address, the routed portion of the original signal including the destination address identifier; wherein the egress edge device forwards the routed portion of the original signal outside the network based on the destination address identifier, wherein the routed portion of the original signal comprises a transit signal. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification