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A Method of Hierarchical Address Autoconfiguration base on Hop-count in 6LoWPAN

6LoWPAN에서 홉-수 기반 계층적 자동주소할당 방법

  • Received : 2010.02.10
  • Accepted : 2010.09.15
  • Published : 2010.09.30

Abstract

Increase in the number of sensor nodes in sensor networks and sensor node to automatically assign addresses are needed. The method developed to address existing severe wasting, coordinators have all address information, each sensor node when addressing the shortcomings are a lot of traffic. In this paper, 6LoWPAN automatically from the sensor nodes capable of efficiently addressing Hop-Count based hierarchical address allocation algorithm is proposed. How to propose a hop-count of divided areas are separated, with no overlap and can be assigned a unique address, DAD(Duplicate Address Detection) reduced area. Perform DAD to reduce traffic, packet transmission in the IP header destination address, respectively, with a minimum 32-bit compression and packet transmission over a non-compression method to reduce the number of 11.1%.

센서네트워크에서 센서 노드의 수가 증가하면 센서 노드에 자동으로 주소를 할당하는 방법이 필요한데, 기존에 개발된 주소할당 방법은 주소 낭비가 심하거나 코디네이터가 주소정보를 가지고 있어야 하거나, 트래픽이 많이 발생하는 등의 단점이 있다. 본 논문에서는 6LoWPAN에서 센서노드에 자동으로 효율적인 주소 할당이 가능한 홉-수 기반 계층적 주소할당 방법을 제안한다. 제안된 방법은 홉-수로 각각의 영역을 구분하여 중복되지 않는 유일한 주소의 할당이 가능하며, 주소중복검사(DAD : Duplicate Address Detection) 영역을 줄였다. 부모 노드에 1-홉으로 연결된 영역만 주소중복검사를 수행하여 트래픽을 줄이고, 패킷 전송에서 송 수신 주소에서 IP 헤더를 32bit 이상의 압축이 가능하여, 기존 방법보다 패킷 전송 횟수가 11.1% 감소하는 것을 보였다.

Keywords

References

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