Bigleaf Networks raised some major cash to help small- and medium-sized business avoid downtime and stay connected to their most important cloud-based software and apps.

The company, based in the Portland, Ore. suburb of Beaverton, raised $21 million. The Series B round, led by Updata Partners with participation from the Oregon Venture Fund, SeaChange Fund and other existing investors, brings the 40-person company to a total of $28 million raised in its lifetime.