The mobile user requires the same accessibility, security, quality-of-service (QoS), and high availability currently enjoyed by wired users. Whether you are at work, at home, on the road, locally or internationally, there is a need to connect. The technological challenges are apparent, but to this end, mobility plays a role for everyone. Companies are deriving business value from mobile and wireless solutions. What was once a vertical market technology is now mainstream, and is an essential tool in getting access to voice, real-time information, and critical applications such as e-mail and calendar, enterprise databases, supply chain management, sales force automation, and customer relationship management
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