All-optical network switching
Translated into Telugu by <a href="//commons.wikimedia.org/wiki/User:Mekala_Harika" title="User:Mekala Harika">User:Mekala Harika</a>
2019-02-28
<a href="//commons.wikimedia.org/wiki/File:All-optical_switching.svg" title="File:All-optical switching.svg">File:All-optical switching.svg</a>, by <a href="//commons.wikimedia.org/wiki/User:Fred_the_Oyster" title="User:Fred the Oyster">User:Fred the Oyster</a>