ETSI NetworkFunctionsVirtualisation(NFV): Overview
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1 Handle with care 2013 DOCOMO Communications Laboratories Europe GmbH All rights reserved Unauthorized photocopy/replication and removal from company premises are prohibited Appropriate disposal by security BOX/shredder ETSI NetworkFunctionsVirtualisation(NFV): Overview Joan Triay Copyright 2013 DOCOMO Communications Laboratories Europe GmbH
2 Outline Target and Benefits of NFV ETSI NFV: Objectives Structure Progress ISG Work Items Use Cases Architecture NFV Proof of Concepts Next Steps Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 2/17
3 Target and Benefits of NFV flexibility reduce TCO operational efficiency learning from IT software innovation faster time-to-market Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 3/17
4 ETSI NFV: Objectives and Goals Pre-standardization work previous to future technical specifications and standards in ad hoc Standards Development Organizations (SDOs). In the form of an ETSIIndustry Specification Group (ISG). Objectives: define requirements, architectureand gap analysisfor the virtualization of network functions. Ensuring that overall network operator s platform will be simpler. Achieving high performance and portability of virtualized network functions. Guaranteeing appropriate levels of resilience to HW and SW failures. Enabling the management and orchestration of VNFs. And easing the integration of new virtualized appliances into existing management systems. Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 4/17
5 ETSI NFV: Structure Network Operators Council (NOC) Technical Steering Committee (TSC) Management and Orchestration (MAN) Software Architecture (SWA) Reliability and Availability (REL) Security (SEC) Performance and Portability (PER) Infrastructure Architecture (INF) Field WGs Transversal WG/EG Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 5/17
6 ETSI NFV: In Less Than One Year Since creation of ETSI NFV (Jan. 2013, first plenary meeting): 159 member companies (67 ETSI members + 92 participant members). 15 active work items. Plenary registrations: NFV#1 (165), NFV#2 (285), NFV#3 (242), NFV#4 (355). Progress made: Internal and external consolidation of the NFV. Proof of Concept framework a call of interoperability demonstration of the NFV concepts. First set of documents providing a holistic end-to-end view: Use cases, Requirements, Architectural Framework, and Terminology. Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 6/17
7 ETSI NFV: ISG Work Items Use Cases Requirements Initial fields of application and scope of technical challenges. High level business and technical requirements for an NFV framework, including service models. Architectural Framework Terminology High level functional architectural and design philosophy for VNFsand underlying virtualization infrastructure. Common repository for terms used within ETSI NFV documents. Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 7/17
8 ISG Work Items: Use Cases Use Cases: Initial fields of application. 4 main service-oriented use cases: NFV Infrastructure as a Service. VNF as a Service. Virtual Network Platform as a Service. VNF Forwarding Graphs. Specific targets: Mobile core network (EPC) and IP Multimedia Subsystem (IMS). Mobile base station. Virtualization of the home environment. Fixed access network. Virtualization of Content Delivery Network (CDN). Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 8/17
9 ISG Work Items: Use Cases Virtualized EPC: Challenges/Opportunities 1. Independent network function scaling, e.g., data vs. control plane functions. 2. EPC deployment, e.g., single data center, over multiple DCs 3. New resiliency schemes by utilizing VNF instance migration. 4. Alternative migration/co-existence paths: single vs. coexistence of separate mobile cores. Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 9/17
10 ISG Work Items: Architectural Framework NFV Management and Orchestration Os-Ma OSS/BSS Orchestrator Service, VNF and Infrastructure Description Se-Ma Or-Vnfm EMS 1 EMS 2 EMS 3 Ve-Vnfm VNF Manager(s) VNF 1 VNF 2 VNF 3 Or-Vi NFVI Vn-Nf Vi-Vnfm Virtual Computing Computing Hardware Virtual Storage Virtualisation Layer Vl-Ha Storage Hardware Virtual Network Hardware resources Network Hardware Nf-Vi Virtualised Infrastructure Manager(s) Execution reference points Other reference points Main NFV reference points Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 10/17
11 NFV Proof of Concepts (PoC) Objectives: Explore technical options. Validate NFV approaches. Facilitate gap analysis. Encourage progress towards interoperability. Encourage development of an open ecosystem. Build commercial awareness. Multi-party: lightweight process and open to participation. Simple PoCproposal process, with commitment to demonstration and reporting. PoCs should address relevant goals published in ETSI NFV documents. Two vendors/manufacturers + one network operator(etsi NFV member). Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 11/17
12 ETSI NFV: Next Steps NFV#4 (Oct. 2013) a) Start re-planned activities. b) Focus on gap analysis. c) Start maintenance of ISG root-level docs. NFV#5 (Feb. 2014) a) Present initial gap analysis. b) Trigger dialog with SDOson the gap analysis. NFV#7 (July 2014) a) Final revision of work items. NFV#6 (May 2014) a) Publish completed gap analysis. b) Wrap-up WG work items and feed results into ISG root-level docs. NFV#8 (Nov. 2014) a) Agreement on future activities and AOB. NFV#9 (Jan/Feb. 2015) ISG closure meeting Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 12/17
13 ETSI NFV: Next Steps Gap analysis procedure: Find the gap: What we want Develop information flow/model for each reference point. Target: future standardization of reference points. GAP Internal functional blocks no focus of standardization, but necessary to determine the specs of the reference points. Considering non-functional requirements too. Each WG to look after non-overlapping reference points. Any reference point to be internalized at NFV level (that is implementation option). What we have Identify applicable standards (de jure or de facto). Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 13/17
14 Summary Benefits of NFV: capex and opex reduction, flexibility, faster time-to-market, ETSI NFV: Pre-standardization. Objective: define requirements, architecture and gap analysis for the virtualization of network functions. Driven by network operator s interest. 159 member companies (as of Nov. 2013). ETSI NFV ongoing work: Just published end-to-end (root-level) documents. Focus is now on proof-of-concepts and gap analysis. Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 14/17
15 Joan Triay DOCOMO Communications Laboratories Europe GmbH Landsberger Strasse Munich, Germany Phone: +49 (89) Copyright 2013 DOCOMO Communications Laboratories Europe GmbH
16 ETSI NFV: How it Works join, and get together interest, business, ideas (bi)weekly conference calls plenary and F2F meetings document drafting Copyright 2013 DOCOMO Communications Laboratories Europe GmbH 16/17
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