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10GE LAN vs 10GE WAN

10GE LAN vs 10GE WAN

Created: Dec 19, 2020 03:29:08Latest reply: Dec 20, 2020 16:16:34 576 6 0 0 0
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Hi!

I was wondering what is the difference between 10GE LAN and 10GE WAN services in OTN equipment.

Thank you!

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gabo.lr
Created Dec 19, 2020 03:31:03

Hello Ibtmontero

Their bottom-layer encapsulation structures are different. A 10GE WAN signal contains an SDH/SONET encapsulation header but a 10GE LAN signal does not.
10GE LAN service: Ethernet MAC frames are processed based on 66B/64B line coding and then are directly transmitted over an optical fiber at a rate of 10.31 Gbit/s.
10GE WAN services: Ethernet MAC frames are processed based on 66B/64B line coding, encapsulated into standard SDH/SONET frames, and then directly transmitted over an optical fiber at a rate of 9.95 Gbit/s.

Best regards
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Ibtmontero
Ibtmontero Created Dec 19, 2020 04:19:17 (0) (0)
Thank you for your answer!  
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liqiang185
liqiang185 Admin Created Dec 19, 2020 03:30:37

Dear friend!
Please rest assured that we'll be back with an answer shortly.
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gabo.lr
gabo.lr Created Dec 19, 2020 03:31:03

Hello Ibtmontero

Their bottom-layer encapsulation structures are different. A 10GE WAN signal contains an SDH/SONET encapsulation header but a 10GE LAN signal does not.
10GE LAN service: Ethernet MAC frames are processed based on 66B/64B line coding and then are directly transmitted over an optical fiber at a rate of 10.31 Gbit/s.
10GE WAN services: Ethernet MAC frames are processed based on 66B/64B line coding, encapsulated into standard SDH/SONET frames, and then directly transmitted over an optical fiber at a rate of 9.95 Gbit/s.

Best regards
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Ibtmontero
Ibtmontero Created Dec 19, 2020 04:19:17 (0) (0)
Thank you for your answer!  
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liqiang185
liqiang185 Admin Created Dec 19, 2020 03:36:30

Dear friend!


According to IEEE 802.3ae,  compared with 10GE LAN services,10GE WAN services involve an additional process in which signals are encapsulated into standard   SDH/SONET frames. In other words, 10GE WAN services are processed in a   similar way to how STM-64 services are processed in a  WDM/OTN system. 


The most direct difference between 10GE LAN and 10GE WAN   services is that they have different signal rates.

For more information，please click ：

Configuring 10G LAN & 10G WAN in DWDM network

Thanks！


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Ibtmontero
Ibtmontero Created Dec 19, 2020 04:19:30 (0) (0)
Thank you for your answer!  
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alexander.grosello
alexander.grosello Created Dec 20, 2020 16:16:34

Thanks
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