nfv cloud datacenter adaptation & tobe evolution ways

NFV 클라우드 데이터센터 적용 및 기술 진화 방향 최홍식 수석( lachesis@pentalink.co.kr ,Hongsik.choi@gmail.com )

2

Agenda

NFV & Cloud & DataCenter

ASIS DataCenter’s NFV

Tobe Evolution Ways

NFV

From Daum, Naver (TTA)

From Wiki

5W 1H of NFV

W h o : Service Providers ( ETSI )

W h y : Accelerate the Deploy-ment of new network service

When : End of 2012 Where : NFV ISG (Industry Specification Group )

What : Make StandardH o w : Reference Architecture

From Wiki

From Naver

From Daum

Cloud Computing

Cloud Computing

Source : Wiki ( Cloud Computing )

IAAS

PAAS

SAAS

Data Center

From Wiki

From Portal ( Daum, Naver )

Data Center

Source : Facebook DataCenter in Prineville, Oregon

IDC (Internet DC) CDC (Cloud DC) DC

Standard Virtualize

AutomatingSecuring

9

Agenda

NFV & Cloud & DataCenter

ASIS DataCenter’s NFV

Tobe Evolution Ways

Expects to NFV

NFV Benefits ( True or False )

Reduce OpEX -> space, power ( O ) ,Technicians ( ? )

Reduce CapEX -> pay as you use , Consolidations ( O )

Accelerate Time to Market -> Deploy, Reallocation ( O )

Delivery Agility & Flexibility -> Quickly Scale up or Down ( O )

- Server- Virtual- Network

NFV Benefits

Benefits of Virtual-ize

Net-work

+

NFV Reference Architecture - NFVI

Source : https://www.opnfv.org/software/technical-overview

NFVI

OpenStack is Cloud Platform ( Blocks )

Hypervisor Hypervisor Hypervisor

Virtualization

Manager

Virtual machines

PoolsTemplates

StorageClusters

HostsData Centers

Users

Virtualization

Manager

Virtual machines

PoolsTemplates

StorageClusters

HostsData Centers

Users

HA

Management 집중

Horizon

Ceilometer

Keystone

Neutron

Trove

Glance

Swift

Sahara

Heat

Ironic

Cinder

Nova

Nova Nova Nova

Management Component 분산

Central-ize

Distrib-ute

Virtual-ize

Open-stack

OpenStack in Korea DC

OpenStack User’s Interest

Source : Public user survey result ( Openstack org)

NFV Reference Architecture - VNFs

Source : https://www.opnfv.org/software/technical-overview

VNF

Todays NFV Usages

vRouter vFW vADC

Virtual Appliances

vWAF

vCPE vRR …

Virtual Subsystems

vEPC(Customer-premises equipment) (Route Reflector) (IP Multimedia subsystem)(Evolved Packet Core)

vIMS

…

VNF Performance Problem al-ready Solved

Performance PCI Pass-through SR-IOV

Bandwidth

DPDK Process

SR-IOV & PassThrough

Physical NIC Dedicated Divided From Physical NIC to Virtual Functions

Network Bandwidth Enhanced

(SR-IOV Supported NIC Only)

Vyatta vRouter5600 Perfor-mance

Using 2 vCPU

Direct Connect from Server to IXIA

(Using SR-IOV, 1 VM Running)

Beyond Performance, Go for Efficiency

1 U Server -> 40 VM

NFV Reference Architecture - MANO

Source : https://www.opnfv.org/software/technical-overview

NFVMANO

NFV & SDN Together

Source : Verizon SDN & NFV Reference Architecture v1.0

25

Service / Cloud Orchestrator 와 Controller, NFVi, Physical Network Function 관계

Source : AT&T’s SDN Controller Implementation Based on OpenDaylight (ODL Summit 2015)

NFV & SDN Together (con’t)

Management & Orchestra-tion

DIYOrchestration

Automation First

-> Dev Ops

27

Agenda

NFV & Cloud & DataCenter

ASIS DataCenter’s NFV

Tobe Evolution Ways

Gartner Forecast

Tobe Data Center

Attention to Physical Switches

Done

Whitebox Approach

LOCKED OPEN

White Box Open Software

Applications, OS and Hardware

Apple White-Box Switch

Facebook & OCP

OCP Schedule

Wedge

Source : https://code.facebook.com/posts

FBOSSA Set of Applications, not an Operating System

Source : https://code.facebook.com/posts

Open Networking Via Pure Linux

hardware

operating system

app app app

Appliance Switch

HW SW Divide

Cumulus Networks Perfor-mance

Evolution Way

WhiteBox

(Traditional Switch to Whitebox Switch)

(Appliance -> Baremetal Switch+Linux)

Remember U2L(Unix to Linux)

(Appliance -> x86+Linux)

Results

NFV + SDN With Openstack Increase

Success Model Orchestration is

BuildingWhitebox is Growing

UP