Path mtu discovery in network system

摘要: A method, computer program product, and data processing system for efficiently discovering storing path MTU information in a sending host are disclosed. In preferred embodiment, two tables maintained. One table contains values corresponding to the first-hop routers associated with host. The other individual destination hosts. When needs send destination, it first consults If an entry that is found table, uses value. not, router on value too high, new made host-specific