Transport SDN 기반 광네트워크 지능화 기술

Transport SDN 기반 광네트워크지능화기술 박수명 smpahk@etri.re.kr 한국전자통신연구원 2015.6.23

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Transport SDN 기술배경및필요성 - L0/L1/L2.5 Transport Network-I 광네트워크 (Optical Network, 광통신망 ) 광신호를다루는노드 (Optical Node) 들로이루어진네트워크 전기적신호가아닌광파장신호로변환하여교환및전달 IP 네트워크, ATM 네트워크등다양한서비스네트워크들을광파장신호로수용하여연결하는네트워크 광트랜스포트네트워크 (Optical Transport Network, 광전달망 ) 광네트워크기반으로회선교환기술을사용하여, DWDM 기반으로사용자데이터를전달하는네트워크 다양한종속신호수용 유연한점대점링크인트레일 (Trail) 제공 종속신호로 STM-n, ATM, GFP, GbE 등여러속도 / 신호수용 1.25, 2.5, 10, 40, 100, 400Gbps 제어평면과데이터평면분리구조 제어평면은연결제어목적 데이터평면은 OTH 기반광전달망 네트워크 OAM 및보호복구 (99.999% Network Availability) 2

Transport SDN 기술배경및필요성 - L0/L1/L2.5 Transport Network-II 패킷트랜스포트네트워크 (Packet Transport Network, 패킷전달망 ) 광네트워크기반으로연결지향패킷교환기술을사용하여, OTN 또는 DWDM 기반으로사용자데이터를전달하는네트워크 MPLS-TP 기반캐리어이더넷네트워크 표준 MPLS 기반연결지향네트워크서비스제공 PTP, PTMP 및 MP2MP 패킷전달망에최적화된 OAM 및보호절체 M PLS/ 전달망중심운영모델 GM PLS 2003 IP/MPLS ETH MSPP (NG-SDH) OADM (10/40G) T-M PLS PB PBB PBB- TE OTH M ulti-layer Integrated Control ASON MPLS- TP OTN 2004 2010 2013 MPLS- TP (ITU-T/IETF) 100GE CFP 2014 Et hernet Services 광캐리어이더넷 100GE CFP4 100G OTN ROADM (40/100G) Centralized Control Plane SDN based Optical Network SDN based MPLS- TP SDN based Ethernet 광캐리어이더넷 w/ SDN 400GE 1TE 400G OTN CDCF ROADM (100/400G) 1T OTN End-to-End Integrated SDN SDM ROADM (400G/1T) 3 연도 2005 2010 2015 2020 2025 SDH: Synchronous Digital Hierarchy, ETH: Ethernet, MPLS-TP: Multi-Protocol Label Switch-Transport Profile, PBB-TE: Provider Backbone Bridge-Traffic Engineering, OTN: Optical Transport Network, ROADM: Reconfigurable Optical Add/Drop Multiplexer, MSPP: Multi-Service Provisioning Platform, SDN: Software Defined Network

Transport SDN 기술배경및필요성 - ICT 환경변화와인프라진화 Big Mobile Data(Video) 년간 66% 씩증가중 거대인프라, CAPEX/OPEX 클라우드 대규모 DC 확산 수년내가상화 80% 확산 17 년 84% 클라우드콘텐츠 Scale-out, 복잡도증가 트래픽패턴다양화 14 년일간변이 90 배 E/W 트래픽 80% 비즈니스 Agility More than Connectivity DevOps, Daily Release & Deployment 스마트네트워킹기술필요 컴퓨팅및정보저장이결합된스마트노드와유 무선네트워크등 ICT 자원의통합적제어관리를통해 인프라를개방하고공유하며프로그램화할수있도록함으로써 ICT 자원의최적활용과다양한응용의신속한도입을통한협업형비즈니스가가능한똑똑한네트워킹플랫폼필요 4

Transport SDN 기술배경및필요성 - 광네트워크진화배경 네트워크계층 Convergence 요구 PTN(MPLS-TP) + OTN + ROADM 계층이통합되고, 유연하고기민하게운용될수있는네트워크환경필요 경제성과운용의간편성추구 데이터센터등장및 5G 고려 Cloud & Content 네트워크등장으로트래픽볼륨과패턴의큰변화 유 / 무선 M2M, IoT 트래픽출현 / 증가 광네트워크진화배경 다계층내최적화경로요구 다계층내인프라상황을고려한단위비트당비용최적경로를제공함으로써 CAPEX/OPEX 절감추구 SDN 개념및기술출현 ICT 전반에걸친네트워크의가상화와운영의단일화 (OPEX 절감 ) 및개방화추구 5

Transport SDN 기술배경및필요성 - Data Center Network 과 Service Provider WAN 특성비교 Data Center Network Network may serve a single organization Single network domain Limited # of applications above the network Close to IT and Software Network not for revenue Innovation based Network Domain Service Provider WAN Networks serve many kinds of customers Multiple network layers(e.g. Packet & Transport(L0/L1/L2.5)) Multiple network domains across geographies Network(Connectivity) is a central source of revenue Constantly evolving set of network services Evolution based Network Domain 6 SDN is not a one-size-fits-all. Chris Kanz. VP of Market Development, Ciena

Transport SDN 기술배경및필요성 - ONS2014 Market Landscape SDN Market Landscape from ONS 2014 7

Transport SDN 기술배경및필요성 - Service Provider의 SDN 기술전략-I SDN and NFS Strategies: Global Service Provider Survey, March 27, 2014, INFONETICS Research SDN Deployment Drivers Timing of SDN Deployments in Targeted Network Domains 31 Global Service Providers(Controls 51% of World-wide telecom CAPEX(2012), Controls 47% of world-wide telecom revenue(2012)) 8

Transport SDN 기술배경및필요성 - Service Provider 의 SDN 기술전략 -II Most Important SDN Network Domains for CAPEX Reduction Most Important SDN Network Domains for OPEX Improvements 9

Transport SDN 기술배경및필요성 - Service Provider 의 SDN 기술전략 -III Most Important SDN Network Domains for New Service/Revenue Generation Sources to Purchase SDN Products 10

Transport SDN 기술배경및필요성 - Transport SDN 이추구하는기술 Operational Simplicity 네트워크서비스제어 / 프로비젼닝기능단순화및개방화 Differentiated Service Delivery 응용에적절한비용대비최적자원자동할당 Scalability 시간 / 분 / 초단위의다중도메인 / 다계층네트워크서비스제어 / 프로비젼닝트랜잭션처리 Security 제공되는네트워크서비스보안및자원의독립성보장 Continuous Availability 재난 / 장애회피, 다양하고유연한네트워크복구 Legacy and Multi-Domain Interworking 네트워크다양성지원 SDN Transport Architecture and Challenges from OFC 2015, Vishnu Shukla, Verizon Technology and Planning 11

Transport SDN 기술배경및필요성 - Transport SDN 과 NMS 관계는? Will SDN replaces NMS? No, NMS and SDN can work coherently. Provisioning, Inventory Management, Fault Management, Traffic Engineering can be enhanced with SDN and NMS working together. Will be integrated SDN and NMS to manage the network more effectively. FCAPS(on NMS) is crucial for any networks, particularly early fault detection and analysis of the faults in the network. SDN Controller provides a centralized access of the underlying network infrastructure. We can image NMS as an application based on SDN Controller. Fault Detection and Correction Proactive fault identification Bulk Operations on the Nodes 12 http://events.linuxfoundation.org/sites/events/files/slides/nms_application_sdn_network_odl_submit.pdf

Transport SDN 기술배경및필요성 - 2013 ~ 2015 SDN Trend Summary Moving from a proprietary strategy to an open strategy f or SDN Aiming for greater programmability which facilitates new behaviors not considered by standards or vendor impleme ntations Why open source is crucial? Driving force for flexibility, interoperability, evolution, and innovati on Meritocracy 광네트워크지능화기술에서다루어져야하는요소들 Open, Agile, Network Automation, Optimization, and Orchestration 13

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Transport SDN 기술동향 - 주요 Transport SDN 솔루션전략 SDN for IP/Optical Transport Networks, Alcatel-Lucent, Apr. 2014. Huawei Transport SDN Solution, Huawei Transport SDN 솔루션전략 주응용 자원최적서비스 Provisioning(Path, BW) ( 네트워크추상화기반가상화 ) ML/MV 통합적제어관리 SBI 벤더 Proprietary, 일부업계중심의표준 (TL1, NetConf, CORBA 등 ) IP/PTN/OTN/Optical 전용장비 EMS/NMS 연계 Legacy 장비수용 다양한벤더지원 (Proprietary SBI 확장성지원 ) ML/MV 통합운용관리지원 확장성 / 고가용성지원 NMS/EMS 연계지원 T-SDN: Transport-SDN, ML: Multi-Layer, MV: Multi-Vendor, BW: BandWidth, PTN: Packet Transport Network, OTN: Optical Transport Network, EMS: Element Management System, NMS: Network Management System, SBI: South Bound Interface 15 장비

Transport SDN 기술동향 - NTT Global Carrier Plan SDN-WAN 개방형 API 를지원하는새로운 SDN Controller Platform(O 3 Project) 패킷전달망과광전달망을포함하는네트워크전체에대한 SDN 종단간연결성 Orchestration CDN, VNO, MVNO, VoIP, VPN, public Internet 네트워크서비스제공 from ONS 2014 WAN: Wide Area Network, CDN: Content Delivery Network, VNO: Virtual Network Operator, MVNO: Mobile VNO, VoIP: Voice Over IP, VPN: Virtual Private Network, O3 Project: Open Innovation Over Network Platforms 16

Transport SDN 기술동향 - Ciena SDN 솔루션 -I Ciena 6500/5400( 패킷 - 광장비 ) 으로망구성 SBI(OpenFlow, TL1, CORBA) ODL 기바네트워크컨트롤러 비즈니스응용으로 OSS/BSS 또는 Cloud Orchestration OSS: Operations Support Systems, BSS: Business Support Systems 17

Transport SDN 기술동향 - Ciena SDN 솔루션 -II 18

Transport SDN 기술동향 - Coriant SDN 솔루션 (IOC) IOC(Intelligent Optical Control) Providing inter DC Connectivity using Transport as a Service Hiding the complexity of optical networks DC: Data Center 19 http://www.coriant.com/products/ioc.asp

Transport SDN 기술동향 - CISCO SDN 솔루션 (APIC) Next Generation Service Provider Core Network Solution(IP+Optic), Cisco 20

Transport SDN 기술동향 - Cyan Blue Planet Blue Planet SDN & NFV platform for Service Provider and WAN End-to-End service deployment Orchestration across networks comprised of traditional network elements Supporting a suite of open APIs to enable integration with existing operations systems Accelerating service and application development in multivendor, multi-domain network environments http://www.cyaninc.com/assets/docs/literature/blue_planet_data_sheet_v7g_reduced.pdf 21

Transport SDN 기술동향 - OpenDaylight Part of Linux Foundation Collaborative Project Community-led, industry-supported open source framework, including code and architecture, to accelerate and advance a common, robust, SDN platform Target Delivery June 25 th, 2015 Targeted Core Controller Improvements AD-SAL Deprecation Significant improvement in integration and testing with OpenStack Improvements in Monitoring and Debugging Various MD-SAL and Clustering performance improvements 43 Projects Participating http://www.opendaylight.org 22

Transport SDN 기술동향 - OpenDaylight supporting NMS functions 23 http://events.linuxfoundation.org/sites/events/files/slides/nms_application_sdn_network_odl_submit.pdf

Transport SDN 기술동향 - STRAUSS Project(FP7) - I Scalable and efficient orchestration of Ethernet services Using Software-defined and flexible optical networks Developing efficient transport infrastructures for Ethernet services in data centers. http://www.ict-strauss.eu 24

Transport SDN 기술동향 - STRAUSS Project(FP7) - II IETF-ABNO Architecture 25

Transport SDN 기술동향 - OSCARS(ESnet) ESnet s OSCARS(On-Demand Secure Circuits and Advanced Reservation System) On-demand Multi-layer Provisioning Flow Optimization Across a Multi-layer Network CAPEX, Energy Saving 26 http://www.es.net/services/oscars/

Transport SDN 기술동향 - OFC 2015 Demonstration of SDN Orchestration in Optical Multi- Vendor Scenarios ABNO architecture based E2E Provisioning Demonstration Topology, Path Computation, Provisioning, Monitoring Telefonica, Ciena, ADVA, Infinera, Huawei 27

Transport SDN 표준화동향 - ONF, Optical Transport WG 목표 연혁 Identifying use cases, defining a target reference architecture for controlling optical transport networks incorporating the OpenFlow Standard, and identifying and creating OpenFlow protocol extensions 2013 년 4 월 WG charter fixed 주요참여기관 Ciena, Ericsson, Huawei, Coriant 등 Chair: Lyndon Ong(Ciena) 활동현황 OF Specifications Activity Name Activity Status End Date Owner Comments (TS) Optical Transport Protocol Extensions v.1.0 WG approved 3/31/15 Lyndon Apprived by WG as onf2014.228.13 (TR) OTWG IM InProg 6/30/15 Kam New doc in progress (TR) Transport NBI use cases and functional requirements InProg 6/30/15 Karthik Design Team at work (TR) Architecture InProg 6/30/15 Maarten Draft available (TS) Optical Transport Protocl Extensions v.1.x Open 9/30/15 Working on Proposals (TR) Transport NBI data model Open 9/30/15 No yet started OF 1.3.5/1.4.1/1.5.1: OpenFlow Switch Specification(2015/4) ONF TS-022: Optical Transport Protocol Extensions V1.0(2015/3) L0/L1 스위칭과 adjacency discovery 확장 28

Transport SDN 표준화동향 - ITU-T G.asdtn 목표 연혁 G.asdtn(Architecture for SDN control of transport networks) specifies the architecture and requirements for Software Defined Networking(SDN) control of transport networks including connection oriented circuit and packet transport networks 2014 년 7 월독일 (Stuttgart) 에서첫번째 interim 회의 (18 명참석, 30 개기고서발표 ) 2015 년 3 월한국 ( 분당, TTA) ITU-T Q12&Q14 Interim 회의 (18 명참석, 30 여개기고서발표 ) 주요참여기관 Ciena, Coriant, Ericsson, Huawei, Alcatel-Lucent, ZTE, Fiberhome, NTT 등 (OTWG 와유사 ) Editors Mr. Paul Doolan(Coriant), Ms. Fang Li(China academy of telecom research of MITT) 활동현황 ( 다음문서를기반으로권고안작성중 ) ONF: SDN Architecture including optical transport architecture ITU-T G.8080(ASON: Architecture for the automatically switched optical network) Y.3300(Framework of software-defined networking) 29

Transport SDN 표준화동향 - IETF, ACTN 목표 Transport SDN 표준 ACTN(Abstraction and control of transport networks) facilitates creation of a virtualized environment allowing operators to view and control multi-subnet multi-technology networks into a single virtualized network 주요참여기관 Telefonica, France Telecom, China Telecom, Microsoft, KDDI, Ericsson, Huawei 등 활동현황 TEAS(Traffic Engineering Architecture and Signaling) WG 에서관련표준화추진예정 국내참여현황 (Use cases 작성 ) Multi-domain mobile virtual network operation(skt) On-demand E2E connection service in multi-vendor domains(kt) Packet optical integration(etri) 30

Transport SDN 기술동향 - 국내통신사업자및장비벤더 KT SKT POTN(Packet Optical Transport Network) 대상 Transport SDN 기반광전달망제어 / 관리 POC 검증및사업화목적을위한연구 (ETRI 함께 ) Legacy MSPP 망대상 ODL(OpenDaylight) 기반 Transport SDN 환경구축사업진행 레가시 IP 망과광전달망대상 Transport SDN 기반제어 / 관리 POC 및사업화목적을위한연구 (ETRI 함께 ) OTN(Optical Transport Network) 대상 ODL(OpenDaylight ) 기반 Transport SDN 환경구축사업진행 장비벤더 ( 우리넷, 코위버, 텔레필드 ) POTN(Packet Optical Transport Network) 대상자사의 Transport SDN 에이전트및 ODL 기반 Transport SDN Controller(Southbound Plugin) 개발 (ETRI 함께 ) 국책과제명 : 스마트네트워킹기술개발사업 ( 주관기관 : ETRI, 공동연구기관 : KT, SKT, 우리넷, 코위버, 텔레필드 ) 31

Transport SDN 기술동향 - 국내통신사업자의 T-SDN 도입주요이슈및필요기술 다계층 / 다중벤더 / 다중도메인전달망통합제어기술필요 단순화된전달망운영및제어환경 네트워크서비스제어단순화 이종벤더환경종단간서비스프로비젼닝기술 네트워크인프라가상화기술 기존 OSS/BSS 와연동기술 네트워크인프라최적화 단 / 다계층최적경로운용기술» POTN(PTN+OTN Convergence), POI(Packet-Optical Integration) OPEX 및 CAPEX 절감 개방형소프트웨어중심의네트워크운영및제어프레임워크환경 개방형 API 기반유연하고단순한서비스제어기술 비즈니스혁신가능한개방형프로그램머블플랫폼기술 신규비즈니스창출 OSS: Operations Support Systems, BSS: Business Support Systems 32

Transport SDN 기술동향 - ETRI: 스마트네트워킹기술개발사업 -I 스마트네트워킹기술개발사업의세부사업으로 Transport SDN 기술개발진행 (2014 ~ 2016) 33 컴퓨팅및네트워킹자원이밀결합되고통합적으로제어되며개방되고공유되어, 혁신적응용과서비스에최적화환경을제공하는유연한 ICT 유무선인프라네트워킹구현기술 Transport SDN 기술개발목적 상용으로적용될유연하고진화가능한 T-SDN 핵심기술확보 유연한 Χ-SDN 제어관리인프라구조, 설계및진화가능한핵심기술확보 변화하는네트워크인프라에유연하게대응하며 OPEX, CAPEX 를절감할수있는오픈소스기반의네트워크제어관리인프라구조및핵심기술 X: extensible, Any(X) Network 오픈소스 (Opendaylight) 기반국내네트워크제어관리기술선도및전파 통신사업자, 장비벤더및솔루션업체간의개방형소프트웨어프레임워크산업표준화로국내기술및시장경쟁력제고 상생 T-SDN 생태계구축하고관련기술교류 / 전파로통해국가기술력제고와관련산업육성 공동연구기관 장비벤더 ( 우리넷, 코위버, 텔레필드, 에릭슨 - 엘지 ) 통신사업자 (KT, SKT) 솔루션업체 ( 넷비젼, 모두텍, 유미텍 ) 실증망사업계획 / 추진 NIA(KOREN), KISTI(KOREONET)

Transport SDN 기술동향 - ETRI: 스마트네트워킹기술개발사업 -II 광네트워크 ( 다계층 ) 응용 PCE, VTN/VTS/VNE, etc. ETRI PTN 응용 OTN 응용 Rest API PTN 서비스기능번들 OTN 서비스기능번들 ETRI PTN 장비의존적 SouthBound 프러그인 MD-SAL OTN 장비의존적 SouthBound 프러그인 Data Plane 추상화 SB interfaces plugins ODL 소프트웨어프레임워크환경 OCES Agent OCES 장비 EMS EMS EMS OCES EMS EMS Agent 국내 A 사 PTN 장비 국내 B 사 PTN 장비 국내 C 사 PTN 장비 OCES 장비 국외 C 사 OTN 장비 국외 H 사 OTN 장비 ETRI 장비벤더장비벤더장비벤더 ETRI S사공동연구기관 34

Transport SDN 기술동향 - ETRI: 스마트네트워킹기술개발사업 -III 통신사업자중심의솔루션업체와장비벤더 New Network Controller Bundles Like a docker container ODL D/B/P/T/V/D Env. LXC ROADM Controller Bundles OTN Controller Bundles ODL Runtime Env. PTN Controller Bundles T-SDN Control & Management Infra Physical(x86) Cluster PTN New Networks D: Development B: Build P: Package T: Test V: Version D: Deployment ROADM OTN 35

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광네트워크지능화기술 - 광네트워크데이터평면및제어평면진화로드맵 M PLS/ GM PLS 2003 IP/MPLS ETH MSPP (NG-SDH) OADM (10/40G) 2004 T-M PLS PB PBB PBB-TE OTH M ulti-layer Integrated Control ASON MPLS-TP OTN 2010 2013 100GE CFP 2014 MPLS-TP (ITU-T/IETF) Et hernet Services 광캐리어이더넷 100GE CFP4 100G OTN ROADM (40/100G) Centralized Control Plane SDN based Optical Network SDN based MPLS-TP SDN based Ethernet 광캐리어이더넷 w/ SDN 400GE 1TE 연도 2005 2010 2015 2020 2025 400G OTN CDCF ROADM (100/400G) 1T OTN End-to-End Integrated SDN SDM ROADM (400G/1T) SDH: Synchronous Digital Hierarchy, ETH: Ethernet, MPLS-TP: Multi-Protocol Label Switch-Transport Profile, PBB-TE: Provider Backbone Bridge-Traffic Engineering, OTN: Optical Transport Network, ROADM: Reconfigurable Optical Add/Drop Multiplexer, MSPP: Multi-Service Provisioning Platform, SDN: Software Defined Network 37

Network operations per day 광네트워크지능화기술 - Network Operation 진화관점 SDN 10s of thousands Traditional NMS & OSS Data center Dynamic connection request with user-specified constraints Network Services Network deployment Service deployment Rapid service instantiation Best path & resource selection Dynamic bandwidth (re-)allocation Optical Transport & IP Routing 1 Major Topology & TE Changes Real-time optimization Optimized resiliency 38 Month(s) Time window for operation Second(s) SDN for IP/Optical Transport Networks, Alcatel-Lucent, Apr. 2014

광네트워크지능화기술 - 광네트워크인프라제어구조진화배경 SDN 기술 핵심기술 제어평면과데이터평면분리기술네트워크인프라가상화기술소프트웨어중심의네트워크제어및개방형 API 기술 광네트워크인프라 Resilience 및이용률극대화요구 다계층광네트워크인프라가상화로장애에보다유연하게대처함으로써광네트워크 Resilience 제고 효율적다계층자원할당및서비스제어로 CAPEX/OPEX 절감 즉시성기반광네트워크서비스비즈니스요구 이종벤더및다중도메인으로구축된광네트워크를소프트웨어중심의실시간 / 유연한제어로 OPEX 절감 개방형 API 기술로통신사업자, 장비벤더및네트워크응용개발자간의신규네트워크서비스비즈니스모델출현 39 ICT: Information Communication Technology, Micro-DC: Micro-Data Center

광네트워크지능화기술 - 다계층 / 다중벤더 / 다중도메인광네트워크통합제어기술 목적 OPEX/CAPEX 절감, 신규서비스창출및다양한기술수용 / 연동 필요기술 다계층 / 다중벤더 / 다중도메인광네트워크인프라운영 / 제어단순화기술 광네트워크인프라서비스제어단순화 이종벤더광네트워크 E2E 서비스프로비젼닝기술 DC 및패킷네트워크와의실시간연동기술 광네트워크전반에걸친인프라자원최적화 광네트워크 Planning 및다계층경로계산및운영기술 광네트워크인프라가상화및 Resilience 기술 개방형소프트웨어중심의네트워크운용 / 제어환경 개방형 API 기반유연하고단순한네트워크서비스제어및자동화기술 비즈니스혁신가능한개방형 / 지능형네트워크제어소프트웨어플랫폼기술 응용과다중도메인네트워크컨트롤러간의 Orchestration 기술 광네트워크전반에걸친효율적인네트워크모니터링 / 제어기술 광네트워크전반에최적화된대역폭할당기술 응용 / 서비스 (IoT 등등 ) 인지에따른자동화된네트워크서비스제공 / 유지보수기술 지속적으로진화가능한오픈소스기반소프트웨어프레임워크기술 40

광네트워크지능화기술 - 지능화된광네트워크인프라예시도 Access Metro Backbone Metro Access 4K/8K UHD BBU RRH RoF/CPRI 압축 PTN Mobile 유무선융합 L2 VPN PTN ER Smart Node SER ACR EPC OCES-1T GSR /PE OCES-10T T-SDN Controller BR BR OCES-10T ER OCES-1T G/W SNS Enterprise 유무선통합 OLT L2 400G L0 대규모 DC Long Duration 대용량광전달서비스 400G L1 대규모 DC Leased Line Business Inter-DC Connection 분산클라우드센터 Flexible & Cost-Effective 패킷서비스 Delay-Sensitive 회선서비스 분산클라우드센터 BR: Backbone Router ER: Edge Router DC: Data Center PTN: Packet Transport Node OCES: Optical Carrier Ethernet Switch, OLT: Optical Line Termination * 2013 년미래부 ICT 중장기전략안 : 1,000 배빠른광통신시스템 41

광네트워크지능화기술 - 기술적 / 경제적효과 기술적효과 광네트워크에 SDN 패러다임을적용하여 End-to-End 전구간에대한지능형 / 개방형인 프라제어가가능해지면, 혁신적가상화, 개방화, 자동화등여러제어방식을통해광네트워크발전속도를넘어 서는전송용량부족사태문제에대해근본적으로대처할수있으며, 스마트워크, 클라우 드컴퓨팅등다양하고고품질응용서비스요청에유연하고민첩하게대처할수있음 경제적효과 국내광네크워크분야 SDN의직접관련시장은 2013년부터 2017년까지총 2,180억원의생산유발효과를가져올것으로예상 또한, 본시장은총 521억 (2013년 ~2017년 ) 의부가가치유발및약 600여명의고용유발효과를기대 2013 2014 2015 2016 2017 누적 생산유발효과 133 272 426 590 758 2,180 부가가치유발효과 32 65 102 141 181 521 고용유발효과 36 74 117 161 207 596 ( 억원 ) 42 주 ) 한국은행산업연관표를이용하여네트워크장비산업의생산 / 부가가치 / 고용유발계수산출 : 본 R&D 가속한산업은통합소분류기준으로 통신및방송기기 (102 번 ) 에해당되므로, 이를감안하여유발계수적용, 생산유발계수 (1.84129041), 부가가치유발계수 (0.4397055), 고용유발계수 (5.0303 명 /10 억원 ), $1 1,100

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