Redundancy for Long-reach TWDM PON

Liang B. Du,Shuang Yin,Xiangjun Zhao Tao,Zhang Adam Barratt,Joy Jiang,Daoyi Wang,Cedric F. Lam

Redundancy for Long-reach TWDM PON

2018

Liang B. Du
Shuang Yin
Xiangjun Zhao Tao
Zhang Adam Barratt
Joy Jiang
Daoyi Wang
Cedric F. Lam

Two redundancy designs for long-reach TWDM PON without backup OLTs is proposed, protecting the truck fiber and optionally the CO. Network modeling shows availability of redundant long-reach PONs is better than traditional PONs.

Keywords:

Redundancy (engineering)
Time-division multiplexing
Computer network
Network model
Electronic engineering
Backup
Engineering
Passive optical network
erbium doped fiber amplifier
optical signal to noise ratio

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