【71-75】the border gateway protocol（bgp） is an interautonomous system （71）protocol.theprimaryfunction of a bgp speaking system is to exchange network （72） information with otherbgpsystem.this network reachability information includes information on the list of autonomoussystem（ass） that reachability information traverses. bgp-4 provides a new set of mechanisms for supporting （73） interdomain routing. these mechanisms include support for advertisinganip （74） and eliminate the concept of network class within bgp. bgp-4 also introducesmechanismsthat allow aggregation of routes， including （75） of as paths. these changes providesupportfor the proposed supernetting scheme.
