Conversant is a privately held technology company with a strong regional presence in Asia. We focus on developing and
offering hybrid cloud based services for digital media enablement. As the digital media industry continues to grow rapidly
around video content and mobile applications, our cloud based offerings enable content providers and network service
providers to effectively monetise their digital content offerings. For more information on Conversant and our hybrid cloud
offerings, please contact email@example.com or visit www.conversant.tv.
In conclusion, with increasing content consumption globally and many markets under-served for CDN capacity at the edge,
Hybrid CDN allows growing media companies to build a CDN without the extra capacity needed to handle failures, out of
country usage and extraordinary peaks. Alternatively, where more capital is available, Federation CDN offers a great way
for businesses to build more complete infrastructure to increase quality of service, lower cost, generate extra revenue and
also build future-proofed capacity. Without a doubt, Hybrid and Private CDNs are going to be key to establishing the edge
capacity that consumers need in the coming years.
Notes on CDN adoption
The drive for CDN usage is amplified by rapidly increasing HTTPS adoption, with many major video services and social
media platforms moving over to secure connections, including YouTube and Netflix, who are completely encrypted.
However, the difficulty in caching has forced many ISPs to look for other ways of moving the serving of content closer to
Getting content closer to the edge has major benefits, primarily the reduction in bandwidth over the core of the network:
long, high-bandwidth connections tend to be expensive, and by moving the content to the edge, cost is massively reduced.
If the link between user and content origin is under contention, with high round trip times and packet loss, effective, useful
bandwidth will be reduced further, this in turn translate into huge benefit for both the infrastructure and the end user’s
In fact, over connections with high packet loss or high latency, and the poor Transmission Control Protocol (TCP) behaviour
of clients and servers will lead to extremely low application layer bandwidth to the point where it is impractical to make
large HTTP requests. By bringing the server to the edge, and tuning the upstream and downstream TCP behaviour, the
connections can be better utilised and less time is spent resending over expensive links. Furthermore, with reduced
upstream traffic, these links are naturally under less contention, resulting in much quicker connections.
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