North American Network Operators Group

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Where NAT disenfranchises the end-user ...

  • From: Roeland Meyer
  • Date: Thu Sep 06 13:14:12 2001

Hello all,

In the recent multi-homing dicussions, many references were made, both
public and private, to encouraging NAT and NAT techniques, in implementing
local multi-homing.

To be honest, even though I've used NAT myself and have implemented NAT for
friends and clients, I would NEVER represent that a NAT'd address has the
full connectivity to the Internet that a static address does. I've had many
people ask me why. I've even gotten some hate-mail from members of this
forum over this. The attached message is one instance-proof of where NAT is

If you are selling transit and you are going to NAT them, then you cannot
tell them that they have access to the full internet. There is a *lot* of
stuff that will not transition a NAT boundary. A business that requires
direct Internet access can't use NAT at the border. A business that delivers
services to the internet can't use NAT, for their application servers, at

BTW, I apologize if the subject-line appears inflammatory.

|> -----Original Message-----
|> From: [email protected] [mailto:[email protected]]
|> Sent: Wednesday, September 05, 2001 10:39 AM
|> To: [email protected]; [email protected]
|> Subject: [ga] Announcement: Invitation to remote participation in
|> Non-Commercial Domain Names Holders Constituency in Montevideo
|> The NCDNHC invites to all interested not able to attend our 
|> meeting in
|> Montevideo to join us online.
|> The meeting will be held on September 7 from 9:30 a.m. to 
|> 2:00 p.m local
|> time (UTC -3).
|> Details on remote participation are as follow:
|> 1.  Remote participation will be done through the VRVS system.  To
|> access it please browse
|> 2.  The Videoconference will take place in the Virtual Room Neptune,
|> accesible from the World Wide Virtual Rooms.
|> 3.  To download the necessary software please access the
|> DOWNLOAD sections at  All 
|> software is
|> free of use
|> 4.  To learn more about how to use the VRVS tools, please 
|> access the DOC
|> section at
|> 5.  Don't forget to register your machine in the VRVS before use any
|> tool installed.
|> Connectivity requisites:
|> 1.  A public fixed IP address 
|> 2.  A LAN must not be behing a NAT (Network Address Translation)
|> 3.  Machines should be properly registered in the DNS 
|> system.    If you
|> don't know what is this, please contact your network administrator.
|> 4.  Dialup users also can use VRVS (it is suppoused that 
|> your ISP have
|> their DNS correctely setted-up)
|> 5.  H323 clients as Netmeeting, Polycom, and others works also with
|> VRVS.  Please read the documentation for more details.
|> IMPORTANT:  Try the VRVS software several days before the meeting to
|> make sure that everything works properly.  For this purpose, Vany
|> Martinez will be in a test virtual room named CAFE, accessible from
|> World Wide virtual rooms on September 6 from 10:00 a.m. to 
|> 12:00 p.m. local time (UTC -3). 
|> For any futher inquiry, please address them directly to Vany 
|> Martinez at
|> [email protected]
|> --
|> Nilda Vany Martinez Grajales
|> Information Technology Specialist
|> Sustainable Development Networking Programme/Panama
|> e-mail: [email protected]
|> Nilda Vany Martinez Grajales
|> Information Technology Specialist
|> Sustainable Development Networking Programme/Panama
|> e-mail: [email protected]
|> Tel: (507) 230-4011 ext 213
|> Tel:  (507) 230-3455
|> Fax: (507) 230-3646
|> __________________________________________
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