nanog mailing list archives

Re: MAP-E


From: Baldur Norddahl <baldur.norddahl () gmail com>
Date: Fri, 2 Aug 2019 18:02:34 +0200

On Fri, Aug 2, 2019 at 5:33 PM Bryan Holloway <bryan () shout net> wrote:



On 8/2/19 5:16 PM, Baldur Norddahl wrote:

Multiple customers share an IPv4 address each with an assigned port
range.



One downside that has been brought up on the list before is that a DDoS
attack against a single subscriber will impact many, but that particular
drawback may not outweigh the benefits (costs).



That is true for every CGN solution. At least with MAP the DDoS will only
hit multiple users if the attackers hit random port numbers.

Regards,

Baldur

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