Invention Grant
- Patent Title: Justification insertion and removal in generic mapping procedure in an optical transport network
- Patent Title (中): 在光传输网络中的通用映射过程中的对齐插入和删除
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Application No.: US13836100Application Date: 2013-03-15
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Publication No.: US08989222B1Publication Date: 2015-03-24
- Inventor: Winston Ki-Cheong Mok , Somu Karuppan Chetty , Jonathan Avey , Steven Scott Gorshe
- Applicant: PMC-Sierra US, Inc.
- Applicant Address: US CA Sunnyvale
- Assignee: PMC-Sierra US, Inc.
- Current Assignee: PMC-Sierra US, Inc.
- Current Assignee Address: US CA Sunnyvale
- Agent Dennis R. Haszko
- Main IPC: H04J3/16
- IPC: H04J3/16 ; H04J14/02
Abstract:
A method and apparatus are provided for generating Generic Mapping Procedure (GMP) stuff/data decisions, which avoids brute force modulo arithmetic and is efficient for hitless adjustment of ODUFIex (G.7044) in an Optical Transport Network (OTN). Addition operations are used, rather than multiplication operations, to facilitate faster and less computationally expensive calculation of data/stuff decisions, based on calculated residue values. Residue values are logically arranged in rows to facilitate residue calculation, such as based on relationships with previously calculated residue values. This method is also applicable for mapping and de-mapping Constant Bit Rate (CBR) clients into and from an ODUk carrier.
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