Transcription: Why isn't the system responding? When are we going to get web browsers? Can I run a video on my desktop? Why can't all of us edit this spreadsheet together? If you're the system's administrator, these questions surely sound familiar. The challenge facing network administrators today is to design a network that meets changing application requirements while still meeting service level agreements to provide a 24 by 7 availability and responsiveness in today's competitive business. environment. IBM Enterprise Communications family meets the challenge head-on.