Transfer device for implementing multi-port service...

Details Transfer device for implementing multi-port service... Transfer device for implementing multi-port service...

2004-08-16

2009-06-02

Moe, Aung S (Department: 2416)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S474000, C370S510000, C370S395620, C709S236000

Reexamination Certificate

active

07542479

ABSTRACT:
The present invention discloses a device and method for implementing multi-port service convergence. The device at least comprises a clock & data recovery module, a encapsulating module, a mapping module, a de-mapping module and a decapsulating module, and further comprises at least one branch clock generating and adjusting module for determining transmitting clock frequency information of decapsulated service data and adjusting local branch clock frequency based on the transmitting clock frequency. In the method according to the present invention, firstly the transmitting clock frequency information of service data is extracted, then the service data is transparently encapsulated, the encapsulated data packets are mapped and transmitted; then the received data packets are de-mapped, the de-mapped data packets are decapsulated; the transmitting clock frequency information of the decapsulated service data is determined, and local branch clock frequency is adjusted according to the transmitting clock frequency; at last branch service data is received in terms of the adjusted local branch clock frequency.

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ITU-T, Generic Frming Procedure (GFP), G.7041/Y.303, Dec. 2001.
“ITU-T Recommendation G.7041/Y.1303 Generic framing procedure (GFP)”; ITU-T Recommendation G.7041/Y.1303; XX, XX; Dec. 2001; pp. 1-52; XP002250980.
Steven S. Gorshe, et al.; “Transparent Generic Framing Procedure (GFP): A Protocol for Efficient Transport of Block-Coded Data through SONET/SDH Networks”; IEEE Communications Magazine; IEEE Service Center; Piscataway, US; vol. 40, No. 5; May 2002; pp. 88-95; XP011092831; ISSN: 0163-6804.
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