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VoIP technology is becoming increasingly important as they gain market share in PSTN technology. In the short run, it is likely that VoIP technology will dominate the telecommunications market. This evolution towards VoIP technology makes sense for improving the VoIP technology efficiency under the auspices of the internet. However, the PSTN still provide(More)
Recently the sensor communication research has introduced an IP-based communication known as 6LoWPAN to sensor network. 6LoWPAN was introduced to give a new perspective to sensor network by enabling IPv6 to be applied to wireless sensors as well as wired sensor. Dedicated routing protocols based on 6LoWPAN was soon introduced and Hierarchical Routing(More)
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