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Page 1: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

www.cloudsec.com | #CLOUDSEC

Cloud시대의네트웍과보안

윤준호 상무

Channel & Alliance @ VMWare

Page 2: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

우리는 IT의역사상 3단계의근본적구조전환점에있습니다.

클라우드 시대

우리는여기에있습니다.

메인프레임

메인프레임

PC 혁명

서버/클라이언트

클라우드

클라우드

• 모바일장치및클라우드(공공및민간)

• 소프트웨어정의

• 로컬응용프로그램• 경미한네트워킹의역할

• 데스크톱및서버• 캠퍼스네트워크• 데이터센터

Page 3: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

#CLOUDSEC

서버 가상화의경험을

Software

Hardware

VirtualMachines

ComputeCapacity Network Storage

Applications

Server Virtualization

• Intelligence in the virtualization layer

• Vendor independent x86 capacity

• Transformative operational model

• Automated configuration & management

Intelligence in hardware

Dedicated, vendor specific infrastructure

Manual configuration & management

Manual Operational Model

Automated Operational Model

Programmatically Create,Snapshot,

Store,Move,

Delete,Restore

Page 4: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

#CLOUDSEC

Software Defined Data Center 로

Software

Hardware

VirtualMachines

VirtualNetworks

VirtualStorage

ComputeCapacity

NetworkCapacity

StorageCapacity

Applications

Location Independence

Data Center Virtualization

Pooled compute, network and storage capacity

Vendor independent, best price/performance

Simplified configuration & management

Automated Operational Model

Programmatically Create,Snapshot,

Store,Move,

Delete,Restore

Page 5: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

Infrastructure가 선택가능한 시대

Big DataRetail AppBig Data

Public Cloud

Private Cloud

Web Portal Retail App Web PortalBig Data Big Data

Internet

Infra as

Needed

Private Cloud Option Public Cloud Option

Page 6: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

GoogleApp

GoogleAppAzure

App

AzureAppSoftlayer

App

SoftlayerAppAmazon

App

Amazon AppOn-Premise

App

IT Department Nightmare: Different teams, different technology stacks, different security & compliance

On-Premises Datacenter

On-Premise App

On-Premise App

Amazon App

SoftlayerApp

AzureApp

GoogleApp

새로운 시대. 새로운 문제

Page 7: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

Companies need to extend networks across public clouds

GoogleApp

GoogleAppAzure

App

AzureAppSoftlayer

App

SoftlayerAppAmazon

App

Amazon AppOn-Premise

App

On-Premises Datacenter

On-Premise App

On-Premise App

Amazon App

SoftlayerApp

AzureApp

GoogleApp

Multi-Cloud Networking

새로운 네트웍 기술

Page 8: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

미래의 네트워킹- 연결과 보안보안이필요한어플리케이션들을사설 및공용 클라우드구간 사이에연결구성

연결성 & 보안

• 사설네트워크를전체공용클라우드구간에걸쳐만들게됨.

• 논리적스위치라우터를중앙에서각각정의합니다.

• 세그먼트애플리케이션방화벽을사용합니다.

• 손쉬운서비스배포를제공

• 각구역마다네트워크통합및배포합니다.

Big DataRetail AppBig Data

Web Portal Retail App Web PortalBig Data Big Data

Internet

Private Cloud Option Public Cloud Option

Page 9: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

NSX 개요NSX는 소프트웨어를통해 네트워크및 보안서비스를충실하게구현하였습니다.

9

논리적 스위치 논리적 라우터 논리적 방화벽 Load Balance VPN 가상화물리적 연결

- 가상 환경 에서VM 간 연결을위한 스위칭 및부가적인 기능들지원

- 가상 네트워크내에서 E-W간고속 라우팅을제공 하는 논리적스위치 간 라우팅

- 모든 VM에설치 되어가상화 망 내에서 20Gbps 속도 및 완벽한보안 지원

- S/W 기반L4/L7 지원 및SSL이 포함된완전한 기능의로드 밸런싱장치

- 소프트웨어의사이트간 및원격 액세스, L2VPN, IPSec, SSL VPN 제공

- 가상 서버와물리적 서버간연결 제공

Page 10: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

NSX – 논리적 스위치물리적으로 IP 대역이 다른 네트워크 구간을 동일한 L2 네트워크로 확장 할 수 있습니다. 이는 네트워크 오버레이 기술이 적용되어 가능하며기존 물리 네트워크의 구성 제약을 넘어 설 수 있습니다.

VM1

vSphere Distributed Switch

VM2

논리 스위치 5001

VM3

Transport 서브넷 A 192.168.150.0/24

Transport 서브넷 B 192.168.250.0/24

192.168.150.51 192.168.150.52 192.168.250.51

172.16.10.11 172.16.10.12 172.16.10.13

물리 네트워크

Page 11: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

NSX – 논리적 라우터NSX 분산논리적라우터는 ESXi 호스트에분산 구현함으로써 East-West간트래픽을현저히줄임으로써데이터센터의네트워크환경을현저하게개선하며다양한네트워크환경구성이손쉬워집니다.

NSX vSwitch

With NSXBefore NSX

Physical Switch

UCS Fabric A UCS Fabric B

UCS Blade 1

vswitch

4 wire hops 4 wire hops

UCS Fabric A

UCS Fabric B

UCS Blade 1 UCS Blade 2

vswitch vswitch

UCS Fabric A UCS Fabric B

0 wire hops

UCS Fabric A

UCS Fabric B

UCS Blade 1 UCS Blade 2

With NSX

Distributed Logical Router

Before NSX

East-West Routing / 동일 호스트내 통신 East-West Routing / 다른 호스트간 통신

2 wire hops

NSX vSwitch

UCS Blade 1

Physical Switch Physical Switch Physical Switch

Distributed Logical Router

Page 12: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

NSX – 논리적 분산 방화벽NSX 분산방화벽은 ESXi 호스트에분산 구현함으로써 East-West간트래픽을현저히줄임으로써데이터센터의네트워크환경을현저하게개선할수있습니다. 또한 VM별, 그룹별방화벽정책도가능하여 Micro segmentation이가능합니다.

NSX vSwitch

With NSX

Distributed Virtual Firewall

Before NSX

Physical Switch

UCS Fabric A UCS Fabric B

UCS Blade 1

vswitch

6 wire hops 6 wire hops

UCS Fabric A

UCS Fabric B

UCS Blade 1 UCS Blade 2

vswitch vswitch

UCS Fabric A UCS Fabric B

0 wire hops

UCS Fabric A

UCS Fabric B

UCS Blade 1 UCS Blade 2

With NSX

Distributed Virtual Firewall

Before NSX

East-West Firewalling / Same host East-West Firewalling / Host to host

2 wire hops

NSX vSwitch

UCS Blade 1

Physical Switch Physical Switch Physical Switch

Page 13: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

NSX 분산 방화벽 vs 물리적 방화벽

NSX vSwitch

Physical Switch

UCS Fabric A UCS Fabric B

UCS Blade 1

vswitch

UCS Fabric A UCS Fabric B

With NSX

Distributed Virtual Firewall

Before NSX

UCS Blade 1

Physical Switch

R&D 서버-2 내부서버-1R&D 서버-1 내부서버-2

R&D Network Service

내부 Network Service

Page 14: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

NSX – ESG(Edge Service Gateway)

NSX ESG는 North-South 구간의트래픽을담당하며다양한 NSX의 기능들을제공하고 VM단위로 배포 할수 있습니다.

North-South 트레픽 처리

10G~80G 대역폭 처리

멀티테넌시를 위한 서비스

다양한 사이즈 구성 제공

HA모드 시 F/W, NAT, LB 이중화 가능

ECMP 모드 시 라우팅만이중화 가능

특징

방화벽

로드발란싱

L2/L3 VPN

라우팅/NAT

DHCP/DNS 릴레이DDI

VM VM VM VM VM

Page 15: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

NSX – Load Balancer

기존의로드밸런서에서구하지못했던멀티테넌시및 유연한관리구성을 NSX에서는 손쉽게구성할수있습니다.

• 응용 프로그램 이동성• 멀티 테넌시 (multi-tenancy)• 구성의 복잡성 - 수동 배포 모델• 유연한 관리

• 온 디맨드 부하 분산 서비스• 응용 프로그램에 대한 단순화 된 배포• 모델 – One Arm 또는 In Line 모드 제공• L4, L7 동작 선택 지원• Tenent별 구성이 가능함.

시장의 요구사항 이점

L2

Tenant A

L2 L2

L3Tenant B

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Page 16: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

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AUTOMATIONAutomating IT processes to deliver IT at the speed of business

SECURITYArchitecting security as an inherent part of the data center infrastructure

APPLICATION CONTINUITYEnabling applications and data to reside and be accessible anywhere

Primary NSX Use Cases Driving Immediate Business Value

Page 17: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

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Network AdminsNetOps

Security AdminsSecOps

App DevelopersDevOps

Virtual Network Infrastructure

Physical Network Infrastructure

Application WorkloadsCloud Management

Platform

APIRoll Your Own

API

NSXManager

AUTOMATION

Automating Networking and Security for IT and Developers

IT Automating IT | Multi-tenant Infrastructure

Page 18: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

DC1 APP DC2 APP DC1 APP DC2 APP

Active / Active Data Centers Active / Standby Data Centers

APP CONTINUITY

Enabling applications and data centers to exist anywhere

Disaster Recovery | DC Pooling

Page 19: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

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Internet

DMZ

Data Center Perimeter

Secure User Environments

SECURITY

Enabling an inherently secure data center infrastructure

Micro-segmentation | DMZ Anywhere | Secure User Environments

Page 20: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

Deep Security

Better Together: NSX + Trendmicro

• Granular, unit-level Datacenter security through Micro-segmentation

• Faster provisioning, deployment, distribution of advanced services

• Automated operations through tagging and service chaining

• Scalable control without compromising on throughputs

• Multi-vector protection through integrated System and Network security solutions in a single platform

• Optimized performance for virtual environments

• Seamless interoperability w/physical, virtual and cloud

• Automated, scalable and instant-on security purpose built for agile borderless datacenters

Stronger threat defense with NSX micro-segmentation and advanced security controls for system and network security

Elastic protection through automated policy and security controls

Consistent policies and unified operations across physical, private and public environments

No-compromise and non-disruptiveScale securely without compromising on performance, using existing tools & processes

Page 21: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

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On-Prem Data Center(Today) Containers

(2016)

Public Clouds(2016)

Virtual Desktop(VDI)

Mobile Devices(Airwatch)

Internet of Things(Roadmap)

Branch Offices(Partner)

네트워킹은진화한다

더이상 IT부서는하드웨어네트워킹을제어안함. (e.g. 모바일, IoT, 공용클라우드)

• 과제는보안, 규정준수및 QoS

NSX everywhere..

• 네트워크정책을통해오버레이연결

• 다양한종류의서비스들구성

• 보안을통한응용프로그램들의클라우드간연결구성

NSX everywhere다양한유형의서비스에대한보안및 연결관리

Page 22: Cloud시대의네트웍과보안 · 2018-03-19 · Server Virtualization • Intelligence in the virtualization layer ... IT Department Nightmare: Different teams, different technology

윤준호 상무

Partner & Alliance

[email protected]