Support MPLS-TP standard packet switching technology, through statistical multiplexing, etc., can efficiently bear Carrying high-bandwidth data services on highways such as video images and office automation.
Answer(s): A
Metro NOCC is the brain of urban rail transit, and the main proposal of NOCC trunk line is The 100G MS-OTN has features including: large capacity, high security, error resistance, easy Features such as operation and maintenance, and can realize the unified carrying of multiple services
In the subway industry, the transmission network is mostly a ring network, and the length of the subway line is generally twoRing or tri-ring, the MS-OTN solution is based on meeting the tangent ring, The network problem of the intersecting ring is solved to better match the needs of the subway network
The development trend of subway business is gradually transforming business to IP, but TDM will still exist for a long time. Such as voice dispatch telephone service;
As the subway business is gradually transforming to IP, the subsequent transmission network no longer needs to be Management pipeline isolation, only need to be scheduled according to IP business priority
Answer(s): B
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