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A Functional Design of Connection Control in the NG-SDG based Transport System  

김영화 (한국전자통신연구원)
예병호 (한국전자통신연구원)
이종현 (한국전자통신연구원)
유재철 (충남대학교 정보통신공학부)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.40, no.10, 2003 , pp. 110-118 More about this Journal
Abstract
The paper describes a design process of the connection control function that performs overall procedures of optical network control system in the Next Generation - Synchronous Digital Hierarchy (NG-SDH) based transport system. Here, the NG-SDH means a new SDH technology that could perform automatic connection control with a granularity of VC-3 (about 50M) or VC-4 (about 150M) according to the increase and decrease of traffic, which is different from the existing technology that could perform connection control only with a granularity of a physical SDH link (STM-l, STM-4, STM-16, STM-64, STM-256 etc). The NG-SDH based connection control allows an ingress NG-SDH node to control the appropriate connection establishment process according to connection types such as Permanent Connection (PC), Soft Permanent Connection (SPC), Switched Connection (SC) over various SDH and Ethernet line cards.
Keywords
NG-SDH; PC; SPC; SC; MPLS; GMPLS; LMP; OTN; LSP;
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  • Reference
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