Download - Content Delivery Networks
• Content Delivery Networks
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Carrier cloud Characteristics
1 Carrier clouds address these gaps with content delivery networks and/or dedicated virtual private networks (VPN) at OSI layers 1
(optical wavelengths), 2 (data link layer), and 3 (network layer)
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Anycast Content delivery networks
1 Content delivery networks may use anycast for actual HTTP connections to their distribution centers, or for DNS.
Because most HTTP connections to such networks request static content such as images and style sheets, they are short-lived and stateless. The general stability
of routes and statelessness of connections makes anycast suitable for
this application, even though it uses TCP.
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Multicast IP multicast
1 IP multicast is widely deployed in enterprises, commercial stock
exchanges, and multimedia content delivery networks. A common
enterprise use of IP multicast is for IPTV applications such as distance learning and televised company
meetings.
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Rackspace Cloud - Cloud Files
1 Use cases considered as "well suited" include backing up or archiving data, serving images and videos (which are
streamed directly to the users' browsers), serving content over content
delivery networks, storing secondary static web-accessible data, developing
data storage applications, storing fluctuating and/or unpredictable amounts
of data and reducing costs.
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Google platform - Network topology
1 This makes Google one of the largest and most complex content delivery networks.
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Content delivery network - Content networking techniques
1 Content Delivery Networks augment the end-to-end transport network by
distributing on it a variety of intelligent applications employing techniques designed to optimize
content delivery. The resulting tightly integrated overlay uses web caching, server-Load balancing (computing)|load balancing, request routing, and
content services.https://store.theartofservice.com/the-content-delivery-networks-toolkit.html
Content delivery network - Emergence of telco CDNs
1 To address this, telecommunications service providers (TSPs) have begun to launch their own content delivery networks as a means to lessen the demands on the network backbone
and to reduce infrastructure investments.
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Digital distribution
1 Specialist networks known as content delivery networks help distribute
content over the Internet by ensuring both high availability and high
performance
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JQuery - Including the library
1 It is also possible to include jQuery directly from content delivery networks.
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Amazon CloudFront
1 CloudFront competes with larger content delivery networks such as Akamai Technologies|Akamai and Limelight Networks. Upon launch,
Larry Dignan of ZDNet News stated that CloudFront could cause price
and margin reductions from competing CDNs.
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Torrent poisoning - Countermeasures
1 (2009) [http://dx.doi.org/10.1109/TC.2009.26 Collusive Piracy Prevention in P2P
Content Delivery Networks]
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Rostelecom - History
1 On September 2013 it was announced that the company had
deployed one of the world’s largest operator content delivery networks
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Smooth Streaming - Current uses
1 Post-production houses, content delivery networks and studios use
adaptive bit rate technology in order to provide consumers with higher quality video using less manpower
and fewer resources
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Smooth Streaming - Benefits of adaptive bitrate streaming
1 The media and entertainment industry also benefit from adaptive bitrate
streaming. As the video space grows, content delivery networks and video
providers can provide customers with a superior viewing experience. Adaptive bitrate technology requires additional Video encoder|encoding, but simplifies the overall workflow and creates better
results.
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BitGravity
1 The company was founded in 2006 and is notable because of its strategic partnership with Tata Communications which makes it one
of the new breed of content delivery networks facilitating the telecommunication industries' push into the content delivery
market place.[http://blog.streamingmedia.com/the_business_of_online_vi/2
008/09/tata-bitgravity.html Rayburn, D.: “Tata Communications Launches CDN, Invests $11.5 Million In
BitGravity,”StreamingMedia.com, Sep 8, 2008][http://www.businessweek.com/technology/content/sep2008/t
c2008098_785702.htm Burrows, P.: “Why BitGravity Attracted Tata,”BusinessWeek.com, Sep 9, 2008] BitGravity was acquired by
Tata Communications in January 2011.[http://www.fierceonlinevideo.com/story/tata-communications-
buys-cdn-bitgravity/2011-01-11 Jim O'Neill :Tata Communications buys CDN BitGravity Fierceonlinevideo.com, Jan 11, 2011]
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AiCache
1 aiScaler software is deployed on public cloud computing platforms such as Amazon Web Services and
private Virtualization|virtual environments. aiScaler software is
considered an edge device as it Proxy server|proxies traffic,
augmenting or replacing content delivery networks
endpoints.[http://dyn.com/enterprise/partners/technology-partners Dyn Technology Partners DCC, Mar. 14,
2011]
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Content networking - Emergence of telco CDNs
1 To address this, telecommunications service providers (TSPs) have begun to launch their
own content delivery networks[http://blog.streamingmedia.com/the_business_of_online_vi/2011/06/updated-
list-of-vendors-in-the-content-delivery-ecosystem.html “Updated List Of Vendors In
The Content Delivery Ecosystem”] as a means to lessen the demands on the
network backbone and to reduce infrastructure investments.
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Web operations
1 *Configuring load-balancing and working with content delivery
networks to improve the reliability and reduce the Latency
(engineering)|latency of the system.
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Peer-to-peer web hosting
1 P2P web hosting may take the form of P2P web caches and Content delivery networks like Dijjer and Coral Cache which allow users to
hold copies of data from single web pages and distribute the caches with other users for faster access during
peak traffic.
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HTTP/2 - Goals
1 * Support common existing use cases of HTTP, such as desktop web
browsers, mobile web browsers, web APIs, web servers at various scales,
proxy servers, reverse proxy servers, Firewall (computing)|firewalls, and
content delivery networks
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DE-CIX - Today
1 Today, DE-CIX connects 550+ ISPs, including broadband providers, content delivery networks, web
hosters, and incumbent operators. DE-CIX is available at 18 data centers throughout Frankfurt,
including e-shelter, Equinix, Level(3), ITENOS, Interxion, New Telco, Telecity
Group and Telehouse.[http://de-cix.net/products-services/de-cix-
frankfurt/ Availability Matrix DE-CIX Frankfurt]
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TeliaSonera International Carrier - Customers
1 The company's customer base is mainly wholesale and includes the telecoms service providers
ViaSat[http://www.teliasoneraic.com/NewsandEvents/News/TS018192 ] and Rostelecom,[http://www.teliasoneraic.com/NewsandEvents/Pressreleases/
TS018105?Lang= ] the content providers Facebook, Populis,[http://www.teliasoneraic.com/NewsandEvents/Pressreleases/TS016298?
Lang= ] TwitchTV,[http://www.teliasoneraic.com/NewsandEvents/Pressreleases/
TS017930?Lang= ] Activision Blizzard,[http://www.teliasoneraic.com/NewsandEvents/Pressreleases/
TS016040?Lang= ] and the content delivery networks CDNetworks[http://www.teliasoneraic.com/NewsandEvents/Pressreleases/
TS017871?Lang= ] and Qbrick.[http://www.teliasoneraic.com/NewsandEvents/Pressreleases/TS118237?Lang= ]In May 2012, TeliaSonera International Carrier announced it had been selected to build and manage a pan-European optical network for Facebook.
[http://www.teliasoneraic.com/iccons/groups/public/documents/newsdocument/ts118294.pdf ] The multi-terabit optical telecommunication|optical network will
allow Facebook to serve users in Africa, Middle East and Europe from a data center in Luleå, Sweden, near the Arctic Circle.
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St John's Innovation Centre - Alumni
1 * Cachelogic, now Velocix, specialises in content delivery networks. It is
backed by Amadeus Capital Partners, 3i plc and Pentech Ventures. Velocix has subsequently been acquired by
French telecommunication firm Alcatel-Lucent
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