‘Power of the Titans’ mural by Andrei Krautsou, North Kansas City, Missouri (© Stephen Taylor/Alamy)
River Thames, London, England (© Puthipong Worasaran/Getty Images)
Explicit Congestion Notification (ECN) allows a forwarding element to notify downstream devices, including the destination, of the onset of
Rock formations and sand dunes in the Sahara, Tassili n’Ajjer, Algeria (© Airpano/Amazing Aerial Agency)