Surprise, surprise – DAZN’s dream of Italian sports streaming success has quickly soured into a nightmare. Italy’s Serie A has demanded explanations from the UK-based sports streaming platform following a bout of user complaints about buffering and video quality issues during recent internet-delivered matches. Even the clubs themselves are putting pressure on DAZN, out of a duty to protect the integrity of this proud soccer nation, again implying that DAZN has bitten off a lot more than it can chew. DAZN has blamed a traffic overload on one particular CDN (which has not been publicly named and shamed) within its multi-CDN architecture, which it says was resolved quickly, but not quickly enough for some viewers plagued by grainy video and…