alt Hacker NewsClaimed elegance is based on a very bold assumption that the NAT device preserves the source port of outbound connection.
Hardly the case in even half of typical deployment cases.
Claimed elegance is based on a very bold assumption that the NAT device preserves the source port of outbound connection.
Hardly the case in even half of typical deployment cases.
I like your comment, but it seems the author acknowledged this as a caveat to the algorithm.
>Many home routers try to preserve the source port in external mappings. This is a property called “equal delta mapping” – it won’t work on all routers but for our algorithm we’re sacrificing coverage for simplicity.
So to what percentage is this coverage sacrificed exactly? No idea. Not as useful if the percentage is high, as you are implying.