What can we improve? Send a Withdraw that identifies common attributes +---------------------------------------------------------+ | Address Family Identifier (2 octets) | +---------------------------------------------------------+ | Subsequent Address Family Identifier (1 octet) | +---------------------------------------------------------+ | Flags (2 octets) | +---------------------------------------------------------+ | Total Attribute Length (2 octets) | +---------------------------------------------------------+ | Attributes (variable length) | +---------------------------------------------------------+ | Additional types (optional & variable length) | +---------------------------------------------------------+ |