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Response to IPv4 address exhaustion and removing the need for NAT


SLAACStateless Address
Autoconfiguration
Auto Configuration

Use the Subnet and add the EUI-64bit mac address ( = 48bit MAC@ + FFFE in the middle )

 Image Modified


SLAAC does not provide the DNS IP@ ( it provide only the subnet in the RA packet )
Stateless DHCPSLAAC (for IP@)+ DHCPv6 ( for DNS )

1- get the subnet from the RA 

2- request the DNS to the DHCP server 

in RA ( from server )

M ( managed address configuration ) = 1  address are mgt by DHCP server   and if   M = 0 then create your own IP address

O ( other address ) = 1  you can ask for additional information to the DHCP server ( but IP addr won't be managed by the DHCP server )


DHCPv6Stateful DHCPv6

DORA - - - - > SARC 

Use ICMPv6 packet

No Broadcast > > > use All Nodes Multicast


Image Added


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