The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Wavelength Division Multiplexing (WDM) technology evolved to utilize effectively the enormous bandwidth of optical fiber. In circuit-switched WDM networks data transfer between a given pair of source and destination nodes takes place by using a lightpath. A lightpath is an optical channel having a single wavelength established between the given pair of nodes by configuring the Wavelength Routing Switches...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.