Lars,
Michel Py wrote:
Unfortunately some protocol purity zealots still have to
realize that Linksys, Netgear, Belkin and consorts don't
sell NAT boxes because they think NAT is good, they sell
NAT boxes because consumers want to buy them.
Lars-Erik Jonsson wrote:
I do not think consumers in general want to buy NAT boxes, but
they are forced to do so by ISP's who do not give them a choice.
Your argument does not hold water. Do a survey of customers who have the
"advanced" or "pro" package (with higher speed and multiple static IP
addresses) and you will find that the very vast majority of them (if not
all) use NAT anyway even though they have enough public addresses.
For ISPs, these restricted connections means users
have problems running some applications, which
reduces the traffic they generate.
This does not hold water either. By far, the volume of traffic is
peer-to-peer (mostly questionable in terms of copyright). All major P2P
apps for the most widely used protocols (bittorrent, edonkey etc) cross
NAT nicely, most have UPNP support (no configuration of the NAT box) and
some even have external NAT traversal mechanisms that don't even require
to open a port. Breaking games an other low-volume apps serves no
purpose.
When ISPs want to curb traffic, they either: cap the speed, have monthly
quotas, or (rarely, as it will result in loss of business) enforce their
AUP.
Michel.
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