GR ENI 003 Experiential Networked Intelligence (ENI); Context-Aware Policy Management Gap Analysis
The present document specifies, at an abstract level, the general, functional and performance requirements that apply to the GeoNetworking protocols (EN 302 636-4 [i.1], EN 302 636-5 [i.2] and EN 302 636-6 [i.3]) for use in ETSI ITS G5 access technology (EN 302 663 [i.4]). The present document is applicable to ITS stations implementing ETSI ITS G5 access technology (EN 302 663 [i.4]) and the GeoNetworking protocols (EN 302 636-4 [i.1], EN 302 636-5 [i.2] and EN 302 636-6 [i.3]) for both single hop and multi-hop communications.
The present document specifies requirements for the purpose of Software Modifications, such that NFV service availability and continuity is maintained. All types of software related to Network Function Virtualisation (NFV) - e.g. Virtual Network Functions (VNF), Management and Orchestration (MANO) and Network Function Virtualisation Infrastructure (NFVI) as well as required controlling and supporting functionality will be addressed. Where applicable, external specifications may be referenced to avoid duplication of work. The present document contains normative provisions.
The present document provides requirements for the hypervisor domain as it pertains to an operator's network. It focuses on gaps between Network Functions Virtualisation (NFV) use cases and the industry state of art at the time of publication. Therefore requirements that are deemed to be supported by most hypervisor solutions at the time of publication are not repeated in the present document.
The present document reviews virtualisation technologies and studies their impact on the NFV architectural framework and specifications. It also provides an analysis of the pros and cons of these technologies.
The present document specifies performance benchmarking metrics for virtual switching, with the goal that the metrics will adequately quantify performance gains achieved through virtual switch acceleration conforming to the associated requirements specified herein. The acceleration-related requirements will be applicable to common virtual switching functions across usage models such as packet delivery into VNFs, network overlay and tunnel termination, stateful Network Address Translators (NAT), service chaining, load balancing and, in general, match-action based policies/flows applied to traffic going to/from the VMs. The present document will also provide deployment scenarios with applicability to multiple vendor implementations and recommendations for follow-on proof of concept activities.
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