My own radical ideas would be: 1. Change the order of the header fields to have the destination first, then the source; 2. Make the behavior on too large pack

My own radical ideas would be: 1. Change the order of the header fields to have the destination first, then the source; 2. Make the behavior on too large packets be "truncate but still forward" (setting a flag saying this was done), instead of fragmenting or dropping with an ICMP message.