Data Transmission in a Packet Transport Network (PTN)
First Claim
1. A data transmission method for use in a packet transport network (PTN), the PTN comprising a first edge device of a first PTN technology, a second edge device of a second PTN technology, and a multiple stack device facilitating data transmission between the first edge device and second edge device, the method comprising the multiple stack device:
- receiving a first packet of the first PTN technology from the first edge device;
identifying a first connection with the first edge device according to information of the first packet;
identifying a second connection with the second edge device from the first connection based on a relationship between the first connection and the second connection;
de-encapsulating the first packet and re-encapsulating the de-encapsulated first packet into a second packet of the second PTN technology according to the second connection; and
forwarding the second packet to the second edge device via the second connection.
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Accused Products
Abstract
The present disclosure describes data transmission in a packet transport network (PTN). A multiple stack device facilitates data transmission between a first edge device of a first PTN technology and a second edge device of a second PTN technology. After receiving a first packet of the first PTN technology from the first edge device, the multiple stack device identifies a first connection with the first edge device according to information of the first packet and identifies a second connection with the second edge device from the first connection based on a relationship between the first connection and the second connection. The first packet is de-encapsulated and re-encapsulated into a second packet of the second PTN technology according to the second connection. The second packet is then forwarded to the second edge device via the second connection.
18 Citations
15 Claims
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1. A data transmission method for use in a packet transport network (PTN), the PTN comprising a first edge device of a first PTN technology, a second edge device of a second PTN technology, and a multiple stack device facilitating data transmission between the first edge device and second edge device, the method comprising the multiple stack device:
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receiving a first packet of the first PTN technology from the first edge device; identifying a first connection with the first edge device according to information of the first packet; identifying a second connection with the second edge device from the first connection based on a relationship between the first connection and the second connection; de-encapsulating the first packet and re-encapsulating the de-encapsulated first packet into a second packet of the second PTN technology according to the second connection; and forwarding the second packet to the second edge device via the second connection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device capable of acting as a multiple stack device for facilitating data transmission between an first edge device of a first packet transport network (PTN) technology and a second edge device of a second PTN technology in a PTN, the multiple stack device comprising a processor to:
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receive a first packet of the first PTN technology from the first edge device; identify a first connection with the first edge device according to information of the first packet; identify a second connection with the second edge device from the first connection based on a relationship between the first connection and the second connection; de-encapsulate the first packet and re-encapsulate the de-encapsulated first packet into a second packet of the second PTN technology according to the second connection; and forward the second packet to the second edge device via the second connection. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification