ETSI NFV INTERFACES AND ARCHITECTURE

Transcription

1 ETSI NFV INTERFACES AND ARCHITECTURE Presented by Dr. Raquel Morera, Verizon, chair of the IFA Working Group in ETSI NFV

2 Outline Intro to IFA WG MANO Architectural Framework MANO Basic Concepts MANO Architectural Framework Information Model Reference points, interfaces, operations Resource Management Overview of IFA work items 2

3 ETSI NFV ISG Interfaces and Architecture WG (IFA) WG Feb 12 Dec 13 Nov 14 Jan 15 Jan 16 Apr 16 Jun 16 Sep 16 Soon ETSI NFV ISG Created ETSI NFV Management and Orchestration (MANO) WG Created ETSI NFV Architectural Framework Published ETSI NFV MANO WG Closed ETSI NFV IFA Created Release 2 work starts MAN001 - ETSI NFV Management and Orchestration Report Published First IFA WG Release 2 specifications published Release 3 work starts Finalization of Release 2 work on interfaces and descriptors Finalization of information model Publication of IFA WG Release 2 specifications IFA WG Scope Normative Interface Specifications Normative Information Element Specifications Normative NFV Descriptors Specifications Acceleration Use cases, Specifications and Reports Informative Reports on new features evaluating interface and architecture impacts 3

4 MANO ARCHITECTURAL FRAMEWORK 4

5 Network Functions Virtualization: s, NS and E2E Network Service E2E network service Network Service (NS) PNF End Point FG End Point E2E network service Network Service (NS) Network Service (NS) End Point PNF FG FG End Point 5

6 Network Functions Virtualisation: Management of NFV Components Application & Functional Management Network Service (NS) NFV Management & Orchestration Functional Management of Network Service FG Network Service (NS) Mgmt. Functional Management of (V)NFs Management Functional Management of SW Instances SW instance Virtualised Resource Mgmt. Virtual Network Virtualisation Layer Compute Storage Network Virtual C/N/S + virtual Storage (VM, container, ) 6

7 Management and Orchestration: Architecture OSS/BSS Os-Ma-nfvo NFV Orchestrator (NFVO) NFV Management & Orchestration NS Management NFV Service Catalog Catalog NFV Instances Resources Or-Vnfm EM Ve-Vnfm-em Manager (M) Management Ve-Vnfm-vnf Vi-Vnfm Vn-Nf Virtual ised Nf-Vi Virtualised Infrastructure Manager (VIM) Or-Vi NFV-MANO Resource Management 7

8 Virtualised Infrastructure Manager (VIM) Manages the NFV infrastructure resources (compute, network and storage) in one or more -PoPs. Os-Ma-nfvo OSS/BSS Exposes virtualized resource management interfaces/apis to the M and NFVO Sends virtualized resource management notifications to the M and the NFVO NFV Service Catalog NFV Orchestrator (NFVO) Catalog NFV Instances Resources Or-Vnfm EM Ve-Vnfm-em Manager (M) Ve-Vnfm-vnf Vi-Vnfm Vn-Nf Nf-Vi Virtualised Infrastructure Manager (VIM) Or-Vi NFV-MANO 8

9 Manager (M) Manages the lifecycle of s Manages virtualized resources associated to the it manages via the interfaces exposed by the VIM or NFVO Exposes lifecycle management interfaces/apis to the, EM and NFVO. OSS/BSS Sends lifecycle management notifications to the, EM and NFVO Manages initial configuration via the interfaces exposed by the. Os-Ma-nfvo NFV Service Catalog NFV Orchestrator (NFVO) Catalog NFV Instances Resource s EM Ve-Vnfm-em Manager (M) Or-Vnfm Ve-Vnfm-vnf Vi-Vnfm Vn-Nf Nf-Vi Virtualised Infrastructure Manager (VIM) Or-Vi NFV-MANO 9

10 NFV Orchestrator (NFVO) OSS/BSS Os-Ma-nfvo NFV Orchestrator (NFVO) Manages the lifecycle of NS Exposes NS lifecycle management interfaces to the OSS/BSS Sends NS lifecycle management EM notifications to the OSS/BSS Exposes virtualized resource management interfaces to the M Vn-Nf Sends virtualized resource management notifications to the M Manages the lifecycle via the interfaces exposed by the M Manages virtualized resources via the interfaces exposed by the VIM. NFV Service Catalog Ve-Vnfm-em Ve-Vnfm-vnf Nf-Vi Catalog Manager (M) Virtualised Infrastructure Manager (VIM) Vi-Vnfm NFV Instances Or-Vnfm Resource s Or-Vi NFV-MANO 10

11 MANO INFORMATION MODEL 11

12 Forwarding Graph and Network Forwarding Path on top of a Network Service CP = connection point, VL = Virtual Link, FG = Forwarding Graph, NFP = Network Forwarding Path NS Traffic flow CP4 CP6 CP5 CP8 CP10 CP7 CP11 CP1 VL1 FG1:NFP1 VL2 VL4 CP14 FG1:NFP2 VL3 Graph endpoint FG2:NFP1 12

13 Base Information Elements Network Service Forwardi Forwardi ng ng Graph Graph Network Forwardi ng Path Physical Physical Virtual Virtual Virtual Network Virtual Network Network Link Network Function Link Function Function Function Information Elements from information elements to UML information model ts/ifa015_nfv_information_model IFA015 Information Model 13

14 MANO REFERENCE POINTS AND INTERFACES 14

15 MANO Reference points and Interfaces OSS/BSS EM Vn-Nf Execution reference points Os-Ma-nfvo NS NS Catalogue Ve-Vnfm-em Ve-Vnfm-vnf Nf-Vi Other reference points NFV Orchestrator (NFVO) Catalogue Virtualised Infrastructure Manager (VIM) Or-Vnfm Manager (M) Vi-Vnfm NFV Instances vresource vresource Or-Vi Main NFV reference points Resources vresource NFV-MANO NS NS Lifecycle Management NS Lifecycle Change Notifications NS Descriptor Management NS Performance Management NS Fault Management Package Management Lifecycle Management Lifecycle Operation Granting Lifecycle Change Notifications Configuration Management Performance Management Fault Management Indicator Virtualised Resource vresource Management vresource Information Management vresource Quota Management vresource Capacity Management vresource Change Notification vresource Fault Management vresource Performance Mgmt. vresource Reservation Mgmt. NetworkForwardingPath Mgmt SW Image Management 17

16 RESOURCE MANAGEMENT 16

17 VIM Northbound Interfaces Virtualised Resource vresource Management vresource Information Management vresource Change Notification vresource Fault Management vresource Performance Management vresource Reservation Management vresource Reservation Change Notification vresource Capacity Management* vresource Quota Management* Network Forwarding Path Management Software Image Management *Only applicable to Or-Vi Reference Point 17

18 related resource management done by M (Direct mode) NFVO, EM, M itself Any LCM request M processes the LCM request M invokes directly RM operations towards the VIM Resource Management operations handled by the VIM M gets permission from NFVO Simplified flow, focusing only on Resource Management Notify successful LCM operation 18

19 related resource management done by NFVO (Indirect mode) NFVO, EM, M itself M processes the LCM request Any LCM request M invokes RM operations towards the NFVO Resource Management operations handled by the VIM M gets permission from NFVO Notify successful LCM operation NFVO in turn invokes RM operations towards the VIM Simplified flow, focusing only on Resource Management 19

20 OVERVIEW OF IFA WORK ITEMS 20

21 ETSI NFV IFA WG Group Specifications OSS/BSS IFA012* IFA013 Os-Ma-nfvo (*Release 3) NFV Orchestrator (NFVO) IFA010 IFA011 IFA014 Functional Requirements Package & D NS Descriptor Or-Vnfm NS Catalogue Catalogue NFV Instances Resources EM Ve-Vnfm-em IFA008 IFA007 Manager (M) Ve-Vnfm-vnf IFA006 Vi-Vnfm Vn-Nf Nf-Vi Virtualised Infrastructure Manager (VIM) Or-Vi IFA005 NFV-MANO Execution reference points Other reference points Main NFV reference points

22 IFA WG Reports IFA009 Architectural Options IFA015 NFV Information Model IFA016 Papyrus Guidelines IFA017 UML Modeling Guidelines IFA020 NFVO Decomposition Options (Release 3) IFA021 MANO and Automated Deployment (Release 3) IFA022 Multi Site Services (Release 3) IFA023 Policy Management in MANO (Release 3) IFA024 External Touchpoints related to NFV Information Model

23 IFA WG Acceleration Work Items IFA001 Acceleration Overview & use Cases IFA002 acceleration interface specifications IFA003 vswitch Requirements IFA004 Acceleration Management Aspects IFA018 Resource Management Acceleration IFA019 Acceleration Interface 23

24 Next NFV Webinar Reminder: Next webinar coming soon NFV Acceleration Technology Overview and Standards Update 29 September 2016, 12noon EDT, UTC, CEST Speaker: Ning Zong, Principal Engineer in Network Research at Huawei Technologies and vice-chair of ETSI NFV IFA Register now at: 24

25 More information: Drafts (Open Area) Issue tracker NFV Technology Page (information) NFV Portal (working area) NFV Proofs of Concept (information) NFV Plugtest (information & registration)