In a surprising twist, CommScope has won the auction for the cable assets of Casa Systems for $45.1 million, beating Canadian rival Vecima’s top bid of $44.95 million and more than doubling the opening bid. We say surprising, because not so long ago, it was a given that Vecima would be the winner—per an agreement with Casa that saw Vecima place a stalking horse initial bid of $20 million, fully expecting to come out the victor at the end. Harmonic was the third bidder at the auction which took place last week. Bids rose in small increments throughout the day and CommScope eventually prevailed. With this win, CommScope enlarges its cable portfolio with assets that include fiber nodes, Axyom virtual…