Edge device. An edge device is a device which provides an entry point into enterprise or service provider core networks. Examples include routers, routing switches, integrated access devices (IADs), multiplexers, and a variety of metropolitan area network (MAN) and wide area network (WAN) access devices.
1 Sinus barotrauma occurs when there is a difference in pressure between the air in the sinuses and the pressure outside. 2  You may experience pain around your cheek bones or above your eyes.  You may also experience headaches.
Signs and Symptoms of Bacterial Sinusitis: 1  Cold symptoms (nasal discharge, daytime cough, or both) lasting more than 10 days without improving. 2  Thick yellow nasal discharge and a fever for at least 3 or 4 days in a row. 3  A severe headache behind or around the eyes that gets worse when bending over.