25. July-22-23,2010 ICCCI10,Madurai,TN,INDIA. BD-SIIT DSTM 1.It does not for tunneling technique . 1. A tunneling technique needs to be configured. 2. Two IPv4 and IPv6 addresses are assumed to be globally unique. 2.Only IPv4 addresses are assumed to be globally unique . 3.It Uses two types of global IP addresses that are assigned by DNS46 server for each communication system. 3. Uses only a pool of IPv4 addresses in order to assign Global IPv4 address for each communication system. 4.Applicable for Bi-Directional commn between IPv6 only nodes and IPv4 nodes. 4.Not applicable to IPv6 only nodes that want to communicate with IPv4 only node. 5.Less cost 5.High Cost 6.Does not require upgrading or extra software to be used at end user nodes. 6.Requires modifications or extra software to support the dual stack on the end user nodes. 7.Transition from IPv4 to IPv6 and Vice versa is needed. 7.Encapsulation and Decapsulation methods are needed.
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