June 2008
Intermediate to advanced
504 pages
19h 52m
English
Content preview from Enterprise Architecture A to Z
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348 ◾ Enterprise Architecture A to Z
ere are certain key OAM&P implications for metro core WDM networks as well. At this
time long-haul applications do not require dynamic management of individual wavelengths.
erefore, one optical surveillance channel carried on a dedicated wavelength is sufficient to con-
trol and monitor all remote WDM network elements such as optical line amplifiers. Photonic net-
works in metropolitan access and interoffice applications manage individual wavelengths. Because
individual wavelengths have different endpoints and take different paths across the network, one
optical surveillance channel carried on a separate wavelength is not sufficient. Fault information is
required for, and must accompany, each wavelength. Per-wavelengt ...
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