• Title/Summary/Keyword: Anycast

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A Case Study Of BGP Announcing Over GRE Tunneling (GRE 터널링을 이용한 BGP 어나운싱 방법에 대한 연구)

  • Hong, Yunseok;Han, Wooyoung;Park, Sungsu
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2022.01a
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    • pp.103-105
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    • 2022
  • 본 논문에서는 GRE 터널링을 사용한 원격지에서의 BGP 어나운싱 방법에 대해 서술한다. BGP 어나운스를 진행하기 위해서는 고가의 라우터 장비와, 고성능, 고가용성의 네트워크, 자율시스템 망 식별 번호 (AS Number)이 필요하지만 소형 네트워크 운영을 위해 위 요소들을 모두 구비하는 것은 어려운 점이 많기 때문에, BGP Announce를 지원하는 퍼블릭 클라우드와의 GRE 라우팅을 사용해서 저비용으로 안정적인 BGP Announce를 하는 방법과, 이에 필요한 소프트웨어적 구성에 대해서 기술한다.

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Research on Event Mechanism for Reducing Power Overheads in Cache Memory Synchronization (캐시 메모리 동기화 전력 감소를 위한 이벤트 메커니즘에 대한 연구)

  • Pak, Young-Jin;Jeong, Ha-Young;Lee, Yong-Surk
    • Journal of the Institute of Electronics Engineers of Korea CI
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    • v.48 no.3
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    • pp.69-75
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    • 2011
  • In this paper, we propose an anycast event driven synchronization mechanism to reduce power overheads. Our proposed mechanism can reduce unnecessary polling operations on SHI(Snoop Hit Invalidate) or SHR(Snoop Hit Read) states. It prevents waisting bandwidth and reduces power overheads on polling operation. Also it decreases transition power of state change compared to broadcast model. Simulation results indicated that the proposed architecture had about 15.3% of power decrease compared to spin-lock model and about 4.7% of power decrease compared to broadcast model. Overall results indicated that proposed synchronization mechanism could increase power efficiency of multi-core system by reducing power overheads.

A study of performance improvement scheme in MIPv6 based on Ad-hoc (Ad-hoc 기반 MIPv6망에서 성능향상 기법 연구)

  • Jo Young-Jun;Ye Hwi-Jin;Moon Tae-Wook;Cho Sung-Joon
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2006.05a
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    • pp.402-405
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    • 2006
  • Mobile IP has been designed to have mobile host users move from place to plate without changing their IP address. Ad-hoc network is a provisional network whose mobile host users construct networks by themselves without any assistance of infra structure network, using wireless interface. In this paper we discuss the scheme with which Ad-hoc network users ran access the Internet freely, using mobile IP protocol, and Ad-hot networks are access networks in the spotlight. In this paper we propose algorithm that support enhanced mobility between two Ad-hoc networks applying mobile IP at Ad-hoc routing protocol.

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