CDNs, are trying every trick they know to expand their infrastructural reach and reduce their bandwidth costs.

ECONOMIST: MONITOR

In that world services like YouTube might need be no more than curation overlays and CDNs for popular content.

FORBES: The Link Between Scarce IP Addresses and the Centralization of the Internet

CDNs, and other overheads would make the whole business a losing proposition.

ECONOMIST: MONITOR

CDNs can be thought of as repeaters, stationed strategically to help manage the Internet traffic by avoiding the backbone or by finding intelligent routes through it.

ECONOMIST: MONITOR

Leveraging wholesale datacenters, third-party CDNs and a raft of partnerships and alliances, Facebook may yet outgrow competitors with an all encompassing social media cum application platform.

FORBES: The Battle Of The Hyper Giants (Part I)

Not all CDNs have signed on to the new program.

FORBES: Google, OpenDNS And CDNs 'Speedup' The Internet

Instead of grabbing content from the nearest DNS server, which could be half way across the world, now CDNs can grab content from the server that is closest to the end user.

FORBES: Google, OpenDNS And CDNs 'Speedup' The Internet

With the new system users who connect through OpenDNS or Google Public DNS, or who go to a website that uses one of the participating CDNs, will get connected to the closest CDN server.

FORBES: Google, OpenDNS And CDNs 'Speedup' The Internet

CDNs become less capable of distributing the load.

ECONOMIST: MONITOR

Among the largest underlying components of VBK, in trading today Lincoln Electric Holdings, Inc. ( NASD: LECO) is down about 0.1%, TW Telecom Inc ( NASD: TWTC) is trading flat, and Cadence Design Systems Inc ( NASD: CDNS) is higher by about 0.9%.

FORBES: Noteworthy ETF Inflows: VBK, LECO, TWTC, CDNS

CDNs have their own limitations.

ECONOMIST: MONITOR