Security Overview on Mobile IP Networks

With a rapid growth in wireless technology in recent years, not only have the capacity and performance of wireless communications systems improved exponentially, but also has the range of information and services that can now be accessed using mobile devices. Mobile phones and other handheld devices such as palm pilots, digital cell phones and mobile computing devices allow greatly increasing amounts of information to be retrieved, stored and transmitted in real time. This includes text as well as audio and video data, as illustrated by the ease with which mobile phone users are today able to converse by voice, email or SMS, take and transmit digital photographs, stream audio and/or video files, and upload/download a range of material directly via the internet. Mobile IP has become very important for scientific, humanitarian, military purposes and businesses by providing mobility based on IP addresses using several applications, which keep the communication between devices continue unbroken as the user or node moves from one link to another.