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Registered METHOD FOR RESIZING NETWORK CONNECTION IN THE OPTICAL TRANSPORT NETWORK SUPPORTING PROTECTION SWITCHING
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METHOD FOR RESIZING NETWORK CONNECTION IN THE OPTICAL TRANSPORT NETWORK SUPPORTING PROTECTION SWITCHING
- Inventors
- Youn Ji Wook, Kim Kwangjoon, Lee Jong Hyun
- Application No.
- 13965750 (2013.08.13)
- Publication No.
- 20140086581 (2014.03.27)
- Registration No.
- 9136903 (2015.09.15)
- Country
- UNITED STATES
- Project Code
- 12VI1400, Terabit optical-circuit-packet converged switching system technology development for the next-generation optical transport network, Lee Jong Hyun
- Abstract
- There is provided a method for resizing a network connection in an optical transport network that supports protection switching and receives a flexible Optical channel Data Unit (ODUflex(GFP)) signal. In addition, at nodes located on a protection path for protection switching, only a Link Connection Resize (LCR) protocol, except for a Bandwidth Resize (BWR) protocol, of Hitless Adjustment of ODUflex(GFP) (HAO) procedure is executed. On the other hand, both the LCR protocol and the BWR protocol are executed at nodes located on a working path for protection switching.