/
                                                      /
         6LR           6LN        6LN                /
            \             \          \              /
             \             \          \            /
    6LN ----- 6LR --------- 6LR ------ 6LBR ----- |  Internet
     <--Link--> <---Link--->/<--Link->/           |      
                           /         /             \
               6LN ---- 6LR ----- 6LR               \
                                                     \
                                                      \

  <------------ Subnet -----------------><---- IPv6 connection -->
                                               to the Internet