network in openstack: changes since cactus and cloudpipe ha

Network Topologies

12.1.0.0/24

Flat mode

10.1.0.0/24

VLAN mode

10.2.0.0/24

VLAN 1

VLAN 2

Private Cloud Access

10.0.0.3

10.0.0.4

12.1.1.1

CloudPipe

10.0.0.3

10.0.0.4

12.1.1.1SPoF

CloudPipe Redundancy

10.0.0.3

10.0.0.4

12.1.1.1

CloudPipe Self-healing

10.0.0.3

10.0.0.4

12.1.1.1

Monitoring

nova-network

12.0.1.3

Floating IP

Project VLANbridge

Networking in Cactus

public switch

VM

nova-compute

bridge

Networking in Cactus

nova-network

12.0.1.3

Floating IP

VM

nova-compute

Project VLANbridge bridge

public switch

Multi-host in Diablo

nova-network

12.0.1.3

Floating IP

VM

nova-compute

Project VLANbridge bridge

public switch

VM

12.0.1.4

nova-networknova-compute

Limitations of Multi-host

• Multi-host doesn’t work with XEN• No way from one project to another• Security groups don’t work with XEN

Multi NIC

Features:• Multiple interfaces in VM• Automatically associated with all networks in the project

Limitations:• No way to change association of interface with network

About Mirantis

Speaker: Mike ScherbakovTwitter: @mihgen

mscherbakov @ mirantis.com

• Engineering services company• Development of OpenStack• Enterprise deployments of OpenStack• Host of Bay Area OpenStack MeetUps