From cc4e4da546251418f3934fff2e7a1a483e19265f Mon Sep 17 00:00:00 2001 From: haomianzheng Date: Mon, 20 Apr 2020 16:18:53 +0800 Subject: [PATCH] Update ietf-layer0-types.yang --- ietf-layer0-types.yang | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/ietf-layer0-types.yang b/ietf-layer0-types.yang index 497c61f..c4e67ca 100644 --- a/ietf-layer0-types.yang +++ b/ietf-layer0-types.yang @@ -89,7 +89,12 @@ module ietf-layer0-types { The nominal central frequency, 'f' is defined by, f = 193100.000 GHz + N x channel-spacing (measured in GHz), where 193100.000 GHz (193.100000 THz) is the ITU-T 'anchor - frequency' for transmission over the C band. "; + frequency' for transmission over the C band; and + where 'channel-spacing' is defined by the flexi-ch-spc-type. + + Note that the term 'chanel-spacing' can be alternated by the + term 'nominal central frequency granularity' defined in + clause 7 of ITU-T G.694.1."; reference "RFC7698: Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM)