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Graphics Interchange Format  |  1997-01-14  |  49KB  |  479x384  |  4-bit (16 colors)
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OCR: RELATIONSHIP BETWEEN FRAME RELAY ADDRESSES AND CORRESPONDING PUCS Single router port End-user premise End-user premise DLCI #101. DLCI #101 = 190.19.205.12 :Router Router 190.19.213.3 DLCI #35 ₩ DLCI #235 = 200.219.205.25 190.19.223.112 Single T-1 line Frame relay network #2 UN DLCE #17 Single 7-1 line DLCI #150 (Network-to-Network Interface) DLCI #41 Switch DLCI #73 Leased line Frame relay Switch network #1 Permanent Virtual Circuits DLCI #163) (PVCs) DLCI #211 Switch DLCI #20 DLCI #22 = 190.19.113.233 OLCI # 23 = 190.19.113.10 Router Erxi user premise Figure 2. In this frame relay network, IP routing is transparent to the upper-layer routing in the end-user net- work, In the premise routers, IP addresses are mapped to the Data-link Connection Identifier (DI.CI), but the is indicated by color. DECI assignments in the PVC are transparent to the IP datagram. The relationship between PVCs and DLCIs