ocr: DIAL-UP ROUTERS FOR BACKBONE OVERFLOW AND VIDEO Video server Ethernet Local Local Ethernet node (client) switching hub Local Ethernet node (client) Ethernet Ethernet Local dialup Local backbone router router ISDN or other digital dial-up Frame relay Remote dial-up Remote backbone router router Ethernet Ethernet Remote switching hub Remote Ethernet node (client) Remote Ethernet node (client) FIGURE 2: Using a dialup router for video enobles remole Ethernet nodes 1O access video over the WAN, Video traffic Hows from the video server lo the local switching hub, fo the locol diarup router, over th ...
