Market share can always be a touchy subject for vendors – they are easily speculated and just as easily denied. With San Francisco-based CDN provider Fastly picking up a lot of traction in the past couple of years with its edge-focused approach, it was only a matter of time before it ruffled a few feathers. Speaking to Faultline this week, Xavier Gregoire, Fastly’s AVP Sales in UK and Central Europe, seemed outraged by our assertion that Fastly did not scratch our top three ranking of CDN providers – Akamai, AWS and Edgio. “We are undoubtedly a top two or three provider in the US and Europe,” Gregoire said, while also pointing to the company’s growing presence in Asian markets like…