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NFV (ネットワーク機能仮想化) & 通信事業者のデータセンターサーバー:主な考察 & 技術

NFV & Telco Data Center Servers: Key Considerations & Technologies

発行 Heavy Reading 商品コード 336604
出版日 ページ情報 英文 22 Pages
納期: 即日から翌営業日
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NFV (ネットワーク機能仮想化) & 通信事業者のデータセンターサーバー:主な考察 & 技術 NFV & Telco Data Center Servers: Key Considerations & Technologies
出版日: 2015年07月31日 ページ情報: 英文 22 Pages
概要

当レポートでは、NFV (ネットワーク機能仮想化) への移行により通信事業者から噴出する新たな要件について調査しており、通信事業者のパフォーマンス要望をサポートするためにETSI (欧州電気通信標準化機構) の設計目標に対応するよう採用される技術を明らかにし、また、通信事業者データセンター内の全てのサービスへ共通のインフラを用いることによる潜在的影響を議論することによりクラウド・通信環境の違いを浮き彫りにしています。

第1章 イントロダクション・主な調査結果

第2章 クラウド & NFV要件 & アプローチの比較

  • ワークロードの分類
  • IT & Telco (通信事業者) の違い

第3章 NFVサーバーにとっての技術考察

  • 実装タイプ
  • パフォーマンスの重要性
  • その他のETSI NFV要件の影響
  • ディスアグリゲーションモデル & オープンハードウェア

第4章 ベンダーのプロファイル

  • サーバーのプラットフォーム
    • Cisco
    • Dell
    • Ericsson
    • HP
    • Kontron
    • Oracle
    • Wind River
  • システム/コンポーネント
    • Intel
    • Mellanox
  • Software
    • 6WIND

付録A:著者について

付録B:法的放棄声明

図表

目次

One of the most significant changes that network functions virtualization (NFV) will introduce into the telco environment is the use of generic IT servers rather than purpose-built, dedicated hardware platforms to run network applications and services. In addition to lowering the cost of the underlying hardware, it is expected that running virtualized network functions (VNFs) on standardized servers will give telcos greater flexibility, improve resource utilization, and potentially converge networks and IT onto a common infrastructure.

However, these servers are generally designed for enterprise applications, not telecom functions. VNFs consume server hardware resources differently than everyday IT applications. Data plane-heavy functions present a particular challenge. Differences in resource requirements for various categories of application must be well understood in order to ensure the needed performance can be achieved.

The European Telecommunications Standards Institute (ETSI) NFV Industry Specification Group (ISG) has published a series of documents that outline its requirements for the infrastructure to support NFV. The excerpt below summarizes these documents, along with the shorthand we will use to refer to them throughout this report.

Excerpt 1: ETSI NFV Specifications Documents

In its Compute specification, the ETSI NFV ISG states:

  • The vision and objective of NFV is to implement network functions in portable code which can be executed on generic compute node infrastructure. However, in practical reality, "generic" does not mean completely identical, and even in the cloud computing environment, there are options and differences in the detailed specification of compute nodes. In the context of NFV, these options and differences often affect the packet throughput performance and therefore there is advantage in exploiting optional features if they are available.

The hypervisor-managed approach introduces a performance hit, and several technologies are being proposed to address this. ETSI believes that hypervisors play a key role in creating the execution environment, so it recommends their use rather than bare metal for most applications. Ultimately, ETSI wants services to be cloudified, so that resources can be pooled, shared and dynamically allocated.

In addition, ETSI also presents high-level architectural goals in the areas of portability, reliability, security and manageability, but has stopped short of publishing specifications for the hardware platform. The Open Compute Project (OCP) has developed a reference architecture - but only for servers destined for cloud applications, which differ from telecom applications in important ways. By contrast, the Open Platform for NFV (OPNFV) is focused on telecom, but does not provide any specifications for the underlying hardware platform.

‘NFV & Telco Data Center Servers: Key Considerations & Technologies’ looks at the new requirements that are emerging from telcos as they transition to NFV. It highlights the technologies being deployed to meet ETSI's design goals to support telcos' need for performance, availability and portability. The report discusses workload categories to discern how they can impact underlying hardware decisions, and presents different implementation approaches. It also highlights how cloud and telecom environments differ, with discussion of the potential impact of using common infrastructure for all services within a telco data center.

The report also profiles 10 critical players in this sector*, including both key server vendors and some of their suppliers whose technologies are critical in server platforms.

Report Scope & Structure

‘NFV & Telco Data Center Servers: Key Considerations & Technologies’ is structured as follows:

Section I is an introduction to the report, including the key findings of our research.

Section II compares IT and telco workloads, highlighting their similarities and differences. It discusses how cloud and telco data center providers approach design.

Section III discusses the different implementation approaches to servers - bare metal, hypervisor-managed and cloudified. It explains why performance is such an important challenge, and explores the innovations being proposed to address this. It also discusses the role servers play in achieving ETSI's design goals, including the potential use of a disaggregated model.

Section IV provides an overview of key server vendors, along with some of their suppliers whose technologies are critical in server platforms.

‘NFV & Telco Data Center Servers: Key Considerations & Technologies’ is published in PDF format.

SERVER PLATFORM, COMPONENT & SOFTWARE SUPPLIERS PROFILED (10)*

  • 6WIND S.A.
  • Cisco Systems Inc. (Nasdaq: CSCO)
  • Dell Inc.
  • Ericsson AB (Nasdaq: ERICY)
  • Hewlett-Packard Co. (NYSE: HPQ)
  • Intel Corp. (Nasdaq: INTC)
  • Kontron AG (Pink Sheets: KOTRF; Deutsche Börse: KBC)
  • Mellanox Technologies Ltd. (Nasdaq: MLNX)
  • Oracle Corp. (Nasdaq: ORCL)
  • Wind River Systems Inc., a subsidiary of Intel Corp. (Nasdaq: INTC)

Table of Contents

I. INTRODUCTION & KEY FINDINGS

  • 1.1. Key Findings
  • 1.2. Defining Servers
  • 1.3. Report Scope & Structure

II. COMPARING CLOUD & NFV REQUIREMENTS & APPROACHES

  • 2.1. Categorizing Workloads
  • 2.2. Differences Between IT & Telco

III. TECHNOLOGY CONSIDERATIONS FOR NFV SERVERS

  • 3.1. Implementation Type
    • Bare Metal
    • Hypervisor-Enabled Virtualization
    • "Cloudified"
  • 3.2. Importance of Performance
    • Bypassing the Hypervisor
    • Additional Approaches to Address Performance Concerns
  • 3.3. Impact of Other ETSI NFV Requirements
  • 3.4. Disaggregation Model & Open Hardware

IV. VENDOR PROFILES

  • 4.1. Server Platforms
    • Cisco
    • Dell
    • Ericsson
    • HP
    • Kontron
    • Oracle
    • Wind River
  • 4.2. Systems/Components
    • Intel
    • Mellanox
    • 4.3. Software
    • 6WIND

APPENDIX A: ABOUT THE AUTHOR

APPENDIX B: LEGAL DISCLAIMER

LIST OF FIGURES

  • Figure 1: ETSI NFV Specifications Documents
  • Figure 2: The Compute Node in NFV Infrastructure
  • Figure 3: Intel's Open Network Platform
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