Problem 2: Valley-Free routing (74 points) Introduction: Valley-free routing is defined by the following policy: 1) An AS prefers customer routes over peer routes; peer routes are preferred over provider routes 2) Egress filters are defined as follows a. customer to provider: export all prefixes except those pre?ixes learned from other providers and peers b. provider to customer: export all routes c. peer to peer: export locally owned prefixes and customer routes only Problem 2: Valley-Free routing (74 points) Introduction: Valley-free routing is defined by the following policy: 1) An AS prefers customer routes over peer routes; peer routes are preferred over provider routes 2) Egress filters are defined as follows a. customer to provider: export all prefixes except those pre?ixes learned from other providers and peers b. provider to customer: export all routes c. peer to peer: export locally owned prefixes and customer routes only