Software-Defined WAN and Exchange for Edge-to-Edge Network Softwarization

  • Published : 2015.06.30

Abstract

최근 네트워크 기술 동향에 있어서 이른바 핫 이슈 중 하나인 소프트웨어 정의 네트워킹(SDN, Software-Defined Networking)은 바야흐로 데이터센터, 기업, 캠퍼스 등의 근거리 데이터 네트워크(LAN, Local Area Network) 환경을 넘어서 통신망 사업자(캐리어)와 서비스 제공자를 통해 원거리 데이터 네트워크 (WAN, Wide Area Network)로 진화하고 있다. 본고에서는 종단간 SDN 프로덕션 서비스를 위한 소프트웨어 정의 원거리 네트워크(SD-WAN, Software-Defined WAN)의 개요 및 적용 사례를 소개하고, SD-WAN의 핵심 서비스 기술로 인식되고 있는 네트워크 최적화, 가상화, 자동화, SDX(Software-Defined Exchange) 등의 요소 기술과 연구 동향을 알아본다.

Keywords

References

  1. AT&T Vision Alignment Challenge Technology Survey - AT&T Domain 2.0 Vision White Paper, November 2013 (http://www.att.com)
  2. Sushant Jain et al., "B4: Experience with a Globally-Deployed Software Defined WAN," ACM SIGCOMM Communication Review, Vol. 43, Issue 4, October 2013
  3. Internet2 Virtualizes Its Network Backbone (October 2014), https://www.sdxcentral.com/articles/news/internet2-virtualizes-network-backbone/2014/10/
  4. IEEE SDN4FNS Whitepaper (January 2014), http://sites.ieee.org/sdn4fns/whitepaper
  5. Javier Benitez, "Colt's SDN/NFV Evolution," NFV & SDN Summit, March 2014 (http://www.slideshare.net/ColtTechnologyServices/colts-sdnnfv-evolution)
  6. AminVahdat, "A Soft ware Defined WAN Architecture," Open Networking Summit (ONS) 2012, March 2012, (http://opennetsummit.org/archives/apr12/vahdat-wed-sdnstack.pdf)
  7. Open Network Operating System (ONOS), http://onosproject.org
  8. ONOS SDN-IP Use Case, https://wiki.onosproject.org/display/ONOS/SDN-IP
  9. John Hicks, "Internet2 SDN," Asia Pacific Advanced Network (APAN) 39 Meeting, March 2015 (https://www.apan.net/meetings/Fukuoka2015/Sessions/4/APAN39-FIT-SDN-SDX.pdf)
  10. OpenDayLight Project, http://www.opendaylight.org
  11. Dan Levin et al., "Logically Centralized? State Distribution Trade-offs in Software Defined Networks,"ACM SIGCOMM Hot Topics in Software Defined Network (HotSDN) Workshop, August 2012
  12. Bob Lantz et al., "ONOS: Towards an Open, Distributed SDN OS," ACM SIGCOMM Hot Topics in Software Defined Network (HotSDN) Workshop, August 2014
  13. RAFT Algorithm, http://en.wikipedia.org/wiki/Raft_(computer_science)
  14. Abhinava Sadasivarao et al., "Open Transport Switch - A Software-Defined Networking Architecture for Transport Networks," ACM SIGCOMM Hot Topics in Software Defined Network (HotSDN) Workshop, January 2013
  15. ONOS Packet-optical Use Case, http://onos.wpengine.com/wp-content/uploads/2014/11/SDN-Control-of-Packet-Optical-Use-Case.pdf
  16. Joe Mambretti, "International Inter-Domain SDX," TERENA Network Conference, June 2015
  17. Arpit Gupta et al., "SDX: A Software Defined Internet Exchange," Proc. of 2014 ACM Conference on SIGCOMM, August 2014
  18. Scott Whyte, "Project CARDIGAN, An SDN Controlled Exchange Fabric," NANOG (The North America Network Operators Group) 57 Meeting, February 2013
  19. Global Lambda Integrated Facility, http://www.glif.is
  20. StarLight, http://www.startap.net/starlight
  21. Korea Research Environment Open Network (KREONET), http://www.kreonet.net