"If they can execute on it, it should be good for business customers, but executing on mergers and acquisitions is horribly difficult," especially when it comes to figuring out which employees should stay or go, she says.

Global Crossing has been moving more into the content delivery market in recent years, as it signed a deal in 2009 with CDN vendors Limelight and EdgeCast that gave Global Crossing customers access to their services. And last year, the company , a video fiber network operator that specialized in providing end-to-end IP video transmission services for major networks.

IDG News Service contributed to this report.

in Network World's Data Center section.