San Jose, Calif. - MediaXstream, a new venture that provides "carrier-neutral, high-quality transport and managed network services for the production and broadcast industries," announced on Monday that it has closed a $10 million first round of funding, led by Constellation Ventures.

New York - Motionbox, which bills itself as a family-oriented video-sharing site, announced on Tuesday that it has raised $7 million in its second round of funding, led by new investor Constellation Ventures.