International Journal of Computer Applications
Next generation wireless network need the support of all the advances on new architectures, standards, protocols. Mobility management is an important issue in the area of mobile communication. Mobility management is divided into two parts, first one is Location management and second one is handoff management. Again handoff management is divided into two parts, horizontal handoff and vertical handoff. In today's mobile communication era, in case of simultaneous mobility, achieving seamless handoff is very important task.