Aiming to become the global leader in chip-scale photonic solutions by deploying Optical Interposer technology to enable the seamless integration of electronics and photonics for a broad range of vertical market applications

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Message: Rockley to kiss the Blarney Stone
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L3 knows about IP Level (including L2 Ethernet/MAC). 

L1 is an optical element and it is transparent for all protocols (IP/Ethernet, etc.)

L3 element is a "clever" hardware, L1 element is a transparent hardware (not so smart).

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