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During last couple of years, cellular system becomes one of the popular wirelesses Communication mediums. But in the hot spot region use of WLAN is increased due to its high data rate and low installation cost. So there is a requirement for suitable integration technique of 3G/GPRS and WLAN to increase the area of coverage and high data rate. This paper presents an integration of GPRS and WLAN in connection with Multi Protocol Label Switching (MPLS). The mobility is managed by hierarchical mobile IPv6 (HMIPv6). The aim of this paper is to design seamless mobility with low signaling overhead and provision for optimal Quality of Service (QoS).
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