20
: ,
OTN
,
100 Gbit/s
100 Gbit/s
WDM
,
。
: ;
OTN
;
100 Gbit/s
;
ROADM
10.3969/j.issn.1000-0801.2013.01.001
,
(
中国电信股份有限公司北京研究院 北京
;
中国电信集团公司 北京
)
Zhang Chengliang
1
, Wei Leping
2
(1.Beijing Research Institute of China Telecom Co., Ltd., B e i j i ng 100 035, China
;
2.China Telecom Corporation, Beijing 100032, China)
:
The main characteristics of new generation transport network were presented firstly, and transparent
networking te chno logies, in particular OTN, as an initial transparent networking technology for new generation
transport networks, were also analyzed. Additionally, focusing on the development and challenges of 100 Gbit/s and
beyond 100 Gbit/s WDM systems, the development of optical fiber and fiber-based multiplexing technologies we r e
discussed.
:
new-generation transport network, OTN, 100 Gbit/s, ROADM
。
,
, ,
Cisco VNI
,
5
IP
29%
。
, ( )
,
5
,
35%~50%
。
,
2020
,
80 Tbit/s
,
300 Tbit /s
。
, 、
,
。 、 、
、 、
。 ,
3
,
、 。
3
。
, 、
, 。
,