Labels:text | screenshot | font | number | diagram OCR: ROUTING UPDATE MESSAGES USING UNICAST OVER FRAME RELAY NETWORKS Every 30 seconds: Router A Router B Router C Routing Information Protocol (RIP) IP packet to Router B RIP IP packet to Router C RIP IP packet to Router D Every 30 seconds: RIP IP packet to Router E RIP IP packet from Router A RIP IP packet to Router F Every 60 seconds: Every 60 seconds: RIP IPX packet to Router B RIP IPX and SAP packets Service Advertising Protocol (SAP) Frame relay network from Router A packet(s) to Router B RIP IPX packet to Router C SAP packet(s) to Router C RIP IPX packet to Router D SAP packet(s) to Router D RIP IPX packet to Router E Router D. SAP packet(s) to Router E RIP IPX packet to Router F SAP packet(s) to Router F Router F Router E Figure I. Using unicast in a frame relay or SMDS wide-area connection needlessly wastes bandwidth on the single access line that attaches each router to the carrier's network.
