Cloud@eBay Open Network Summit 2013

JC Martin – Cloud Architect (@jchmartin)

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A g i l i t y

E f f i c i e n c y

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Infra Infra Infra Infra

Spare spare spare spare

Application App App App

Prod QA Exp

Silos with custom design

Shared Infrastructure

Global resource pool

Application App App App

Prod QA Exp

Virtualized infrastructure

Virtual Environments

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Easier to automate

Fewer skill sets

Increased utilization

Bulk order

Global Optimization

Virtualized / Shared

Specialized skills

Low utilization

Custom Order

Local Optimization

Costly to automate

Silo’ed

Infrastructure designed for scale

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Spine

Leaves

Core

M servers

(10Gb)

N leaves

4 spines

(48x10Gb)

(Nx10Gb)

48 -> N “½ racks”

L2 Isolation

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Production QA

VLAN trunk

vlan 1

vlan n QA

Prod

Dedicated Network VLAN Based

L3 Isolation

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ACL in network devices Security Groups/Virtual Firewall

Overlay Networks

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Cloud Fabric

QA

Prod Other

Networks

Virtual Networks using Software Defined Networks

Overlay 1

Overlay n

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COS

User environment

Shared Virtual Network

Private Virtual Network Tenant

logical

router

Public Networks

compute

Infrastructure Network

Hypervisor

vswitch

Hypervisor

vswitch

NVP Gateway

Admin

logical

router

Shared Physical

Network

Firewall DHCP agent

vswitch

DHCP

DHCP

Quantum

NVP Controller

NVP

Service

Node

Nova

Backbone

VLAN

Shared Physical Network

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Hardware Integration

Switch/Routers

LB/NAS

Operationalization

overlay “traceroute”

Port Counters

Interoperability

Control Protocol

Tunneling