Content Delivery Networks

Rod Beck Rod.Beck at
Mon Aug 6 21:10:59 UTC 2007

Can anyone give a breakdown of the different kinds of content deliver networks? For example, we have Akamai, which appears to be a pure Layer 3 network that is tailored to pushing relatively small files like web pages and we have Lime Light Networks, which is a mix of Layer 1 and Layer 3, that focuses on bigger files like video streams. 

Any insights out there? And what are the major challenges in making scalable content delivery networks?

Roderick S. Beck
Director of EMEA Sales
Hibernia Atlantic
1, Passage du Chantier, 75012 Paris
Wireless: 1-212-444-8829. 
Landline: 33-1-4346-3209
AOL Messenger: GlobalBandwidth
rod.beck at
rodbeck at
``Unthinking respect for authority is the greatest enemy of truth.'' Albert Einstein. 

-----Original Message-----
From: owner-nanog at on behalf of Jason J. W. Williams
Sent: Fri 8/3/2007 10:32 PM
To: Pekka Savola; Robert Boyle
Subject: RE: Cisco CRS-1 vs Juniper 1600 vs Huawei NE5000E

We're Juniper right now, but we're looking at the Foundry MLX line for
possible future sites due to cost/performance. So I'd be interested in
folks' experience with Foundry's Terathon gear and associated IronWare
revs. Its supposed to be a lot better than the JetCore stuff
(cam-trashing problems etc.) but it'd be nice to hear what folks are
seeing in real life.

Best Regards,

-----Original Message-----
From: owner-nanog at [mailto:owner-nanog at] On Behalf Of
Pekka Savola
Sent: Friday, August 03, 2007 3:07 PM
To: Robert Boyle
Subject: Re: Cisco CRS-1 vs Juniper 1600 vs Huawei NE5000E

On Fri, 3 Aug 2007, Robert Boyle wrote:
> At 02:17 AM 8/3/2007, you wrote:
>> Hi,, group
>>   I need some help.
>>    Which equipment is better ( perfomance, availability,
>> scalability, features, Support, and Price ($$$) ) ???
>>   Some experience in the real life ????
> Dependent on your interface needs, if GigE, 10G, (40G & 100G in the
> and POS are all you need, include the Foundry XMR in your eval too.
> solid software and excellent support at a price point which is
> lower than C & J. I don't know the pricing for H.

Any experiences of Foundry routing w/ more complex protocols (PIM, 
MSDP, various IPv6 stuff)?

The last time we tried running non-C/J as a router was a very Extreme 
experience and we swore never again to touch similar router underdogs 
in the future.

Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings


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