Imperva CDN vs. Kingsoft Cloud vs. Azure Front Door

I recommend it as a WAF, but not as a CDN. There are better CDNs, in my case I use transparentCDN (now www.transparentedge.eu) and Edgecast (now Verizon CDN).

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Azure Front Door is very easy and fast to set up and implement, if you are looking for an easy solution that is secure and reliable, Front Door does all that and can be configured in a few hours. AFD is a CDN with WAF, accordingly, it is well suited for any CDN Scenario, other providers such as Akamai or Verizon have a more expensive base price and are harder to manage/configure, Front Door is simple, easy, and provides what's needed when it comes to Web App Security. If you have multiple data centers, have apps in different regions, or targeting a global audience, AFD is an excellent option to get up to speed quickly. If you are looking for more features and capabilities, or planning a very complex setup, Front Door might be sufficient, but other specialized provides such as Imperva, Cloudflare or Akamai are generally a bit more advanced (but harder to set up and maintain). It always depends on the scenario, but for us, Front Door was an excellent option and served us very well with no issues.

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• Reliability / Uptime
• Security

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• Content delivery across all continents
• Web & media acceleration
• Web application firewall
• Backend geo-availability
• Reporting & access metrics

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• CDN functionalities are secondary and cannot be compared to a top-level CDN.
• The WebGUI interface of the dashboard is very improvable. They have been changing the UX for years and it is disjointed and with services that have not yet been migrated.
• The analysis of WAF attack logs is insufficient. It is difficult to analyze attacks of past hours, event filters are missing. It is complicated to analyze the chronology of an attack.
• There are extra modules to improve the attack logs analysis but they are expensive and add little.

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• Better control over origin caching
• Hierarchal Management UI instead of distributed management
• TLS & Cipher Control
• Faster publishing or change updates

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Also TransparentCDN (now www.transparentedge.eu ) and Level 3

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It's generally hard to compare CDNs, each has its features, POP locations, latency, and availability. We have used many other CDNs, including Akamai, Verizon, and Cloudflare. They are all great, but each has its own advantages/disadvantages. From our perspective, all other providers were much harder to configure and maintain and their overall cost was higher than AFD. For example, Verizon was great, performance was excellent, but reporting/logging was not up to our expectations, and we had many issues with its Rules Engine. AFD is great for delivering your web apps globally quickly and easily, the cost is reasonable and comes with very little operational overhead, the logging and reporting capabilities are very good, additionally, its integration with Azure Cloud Services gives it an advantage over other competitors.

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• It's an expensive product if you have a lot of traffic volume, but I feel confident with their WAF.

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• AFD implementation was approx. 80% cheaper than other providers, from initiation to operation.
• It allowed us to minimize backend resources size/processing power, taking all the load from client requests, cutting tens of thousands of dollars monthly on compute, memory, and network bandwidth.
• Overall, the ROI of AFD is very quick, it is not an expensive solution, therefore, its ROI goals are easy to calculate and achieve, our overall ROI exceeded 300%.

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