[c-nsp] DNS amplification

[mohta at necom830.hpcl.titech.ac.jp (Masataka Ohta)]

Arturo Servin wrote:

> 	If you are the end-user organization with a multihomed topology you
> apply BCP38 within your own scope. This will help to have less spoofed
> traffic. Not solving all the problems but it would help not seeing your
> spoofed packets all over the Internet.

It does not help not seeing a spoofed packets with source addresses
of yours.

> 	And about the routing table size, it is not multihomed sites the
> offenders, it is large ISPs fragmenting because of traffic engineering
> or because lack of BGP knowledge.

As the number of *LARGE* ISPs is limited, it is not a problem.

						Masataka Ohta