Vendor diversity is the oldest tool to ensure the best pricing and this has driven many providers to adopt Multi-CDN. So, not letting your CDN become a runaway cost is important. Commercial CDNs for large content providers are in the top 10 items of your costs on the delivery side. For Netflix, it was so expensive that they build their own CDN. While Dan Rayburn makes the valid point in the webcast that ‘CDNs have come down in price dramatically over the last 15 years’, a CDN is still an expensive part of an OTT provider’s delivery infrastructure. Which of those is most important is the key to what configuration you choose, and what strategies you use to manage and maintain your Multi-CDN solution. Why are broadcasters moving to Multi-CDN solutions? What are the biggest drivers? Quite simply it is cost, performanceand availability. We will delve deeper into this later in this blog. This can be an Origin-Shield configuration, an Active-Passive configuration for failover or a true Active-Active configuration. Multi-CDN is any configuration of infrastructure that uses more than 1 Content Delivery Network (CDN) as part of the delivery. Let’s start what is a Multi-CDN solution? What qualifies as multi-CDN? Having been a multi-CDN practitioner myself I have some opinions (from the field so to speak) about what often leads to a failed experiment. I thought I would share these insights here as well as provide some further food for thought about why certain strategies succeed. In a recent webcast from Dan Rayburn and Rob Malnati, I heard a clear and articulate explication of (a) why even smaller Broadcasters are adopting Multi-CDN strategies (in spite of some additional burden) and (b) why certain strategies that are adopted fail, while others succeed. It’s the tool helping people realize the goal.” - Rob Malnati, Citrix Why Multi-CDN has moved out of the lab an into the mainstream Citrix Virtual Apps & Desktops Standard for Azure.Citrix Content Collaboration (ShareFile).Citrix App Delivery and Security Service.
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