[113558] in North American Network Operators' Group
RE: Looking for AT&T / Verizon / Sprint WWAN service impressions - on
daemon@ATHENA.MIT.EDU (Holmes,David A)
Wed Apr 15 13:25:34 2009
Date: Wed, 15 Apr 2009 10:18:45 -0700
In-reply-to: <B75E03EB8D7BCE419496BC89D272087304A1D754@ALNEXCHMB03.ena.us.experian.local>
From: "Holmes,David A" <dholmes@mwdh2o.com>
To: "Crooks, Sam" <Sam.Crooks@experian.com>,
<nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
My understanding is that AT&T uses an MPLS/VRF CE router facing the user
such that the resulting network connectivity is a private MPLS VPN. VZW
apparently requires the user to implement a GRE/IPSec configuration just
to reach their MPLS/VRF layer. The resulting user router config is thus
much simpler with AT&T. Haven't heard about Sprint though.
-----Original Message-----
From: Crooks, Sam [mailto:Sam.Crooks@experian.com]=20
Sent: Tuesday, April 14, 2009 9:26 PM
To: nanog@nanog.org
Subject: Looking for AT&T / Verizon / Sprint WWAN service impressions -
on oroff-list replies welcome
I'm considering use of AT&T / Verizon / Sprint WWAN services and the
Cisco 3G router interface cards/integrated module in C880 routers for
primary or backup WAN network connectivity for routers.
I'm looking for information from users of these services on the
following:=20
- addressing - Do these WWAN services use dynamic, PPPoE or static IP
assignment typically? Any of the 3? All?
- is static IP assignment available?
- do these service providers use NAT within their network?
- How is the service reliability? In most cases, is the service
available for use when you need to use it?
- How is the service coverage area? Do you have problems getting
sufficient coverage in the deplouyment location to support desired
speeds (say 512kbps up/down as a minimum)?
- is ESP / IKE / IPsec permitted through un-rate-limited and un-molested
by the providers?
- If you build a IPsec/GRE tunnel over these services, do you have
frequent issues with the tunnel dropping, or a dynamic routing protocol
running through the tunnel going down frequently?
Also interested in similar information on impressions of similar EMEA
WWAN service providers, particularly Vodaphone and T-Mobile, if anyone
has experiences with these.
Replies on-list or off-list are welcome.... Your choice.
Cisco 3G interface and provider information:
http://www.cisco.com/en/US/products/ps7272/index.html
http://www.cisco.com/en/US/prod/routers/networking_solutions_products_ge
nericcontent0900aecd80601f7e.html#~north-america
Regards,
Sam Crooks
=20
