The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2009
Filed:
Oct. 31, 2005
Young Hwa Kim, Daejeon, KR;
Byung Ho Yae, Daejeon, KR;
Young Hwa Kim, Daejeon, KR;
Byung Ho Yae, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Provided is a method of constituting a highly reliable control network in an IP-based network environment and, more particularly, a protocol technology for automatic control channel constitution and protection. The method includes functions of protection group (PG)-1/3 control channel identification, detour control channel identification, an automatic switchover, a forced switchover, a control channel unavailability notice, a protection/switchover properties information inquiry, an Hello, a protocol error notice, and re-transmission. This invention provides a protection mechanism of control channels without additional overhead and with higher level of resilience capability to improve shortcomings of the LMP and MPLS based schemes.