each mobile device will use its physical address (MAC address) as the host field in its IPv6 address. After receiving the RA message each new mobile device can quickly figure out its new IPv6 address without the involvement of DHCP server. Explain why that is the case.
(a) When an IP packet passes through a regular router, which fields in the IP header need to be changed? Ignore packet fragmentation in this question. (b) Repeat (a) if the router is an NAT router (like WiFi router at home).
Location update is an important task to perform as a mobile unit moves around in a mobile IP network. If we use indirect-routing, new location update only needs to be done at the home agent. But if we use direct routing, location update needs to be done at two places. (a) Which two places, and (b) why?
(a) When an IP packet passes through a regular router, which fields in the IP header need to be changed? Ignore packet fragmentation in this question. (b) Repeat (a) if the router is an NAT router (like WiFi router at home).
Location update is an important task to perform as a mobile unit moves around in a mobile IP network. If we use indirect-routing, new location update only needs to be done at the home agent. But if we use direct routing, location update needs to be done at two places. (a) Which two places, and (b) why?
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