Networks in two domains connect transparently
![](https://erc-assoc.org/sites/default/files/styles/page_width/public/CIAN1-R-OpticalChecking_DL.jpg?itok=mHWDAzc-)
Networks in two domains connect transparently at the Internet exchange point (IXP) and optical-performance monitors (OPM) on the CIAN chip enforce service-level agreements in two failure scenarios
Credit:
CIAN
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