Hop-By-Hop vs. End-to-End Layers HostA communicates with Host d Host C Hosta Host D Router 1 Router 2 E.g., Ethernet E. g. Wi-Fi 9 Router 5 Host B Router 7 Hoste Router 6 Router 4 Diferent Physical Link Layers (Layers1 &2) 24Hop-By-Hop vs. End-to-End Layers HostAcommunicates with Host D Host C HostA Router 1 E.g., Wi-Fi Different Physical & Link Layers (Layers 1 & 2) 24 Host B Router 4 Host E Host D E.g., Ethernet Router 3 Router 2 Router 5 Router 6 Router 7