CDN Application Provider | Content creation and management | Ubiquitous content delivery | Content indexing | Content personalization and contexualization | Community building | Quality of service optimization |
---|---|---|---|---|---|---|
Limelight Networks[25] | Browser based interface to upload static content; supports multiple media types; do not support dynamic content creation | Dependent on private Limilight networks backbone for content delivery; supports bitrate streaming as configured by content user; only limelight audio/video player supported | Title and Keyword based | No | No | Handled behind the scenes; content providers have no control over QoS; best effort QoS at network layer |
Oyala[26] | Browser-based interface to upload static content. Dynamic content creation is not supported. | Yes, to multiple devices using multiple formats | Title and Keyword based | Personalization is partially supported based on the type of devices to be used for media streaming | No | Yes, based on different CDN providers such as Akamai, |
NetFlix[27] | N/A | Yes, to multiple devices using multiple formats | Title and Keyword based | Personalization is partially supported based on the type of devices to be used for media streaming | No | Yes, based on different CDN providers such as Akamai and now their own. |
Akamai (Sola) and Ultraviolet[28] | Content can be managed partially, only for purchased content such as movies. | Yes, to multiple devices using multiple formats. | Title and Keyword based | Personalization is partially supported based on the type of devices to be used for media streaming | No | Yes, via Akamai. The content providers have no control over QoS provisioning. |
MetaCDN[29] | Content cannot be created but can only be managed using pre-defined emplates | Yes, to multiple devices using multiple formats. | No | No | No | Yes but content providers have no control over QoS provisioning. |
Rackspace[30] | Mainly content storage and provisioning | Yes, based on Akamai CDN | No | No | No | Yes, using Akamai. However, content providers have no control over QoS provisioning. |