Domain Name Space o Hierarchical name space o Using an inverted -tree structure where o root is at the top o the tree has 128 levels(0 to 127) o each level defines a hierarchical level each node has a label having maximum of 63 characters6 Domain Name Space  Hierarchical name space  Using an inverted-tree structure where ⚫ root is at the top ⚫ the tree has 128 levels (0 to 127) ⚫ each level defines a hierarchical level ⚫ each node has a label having maximum of 63 characters