Comparison between VMware and Open Stack Cloud

Summary of Comparison between VMware
and Open Stack Cloud
Differentiation and service explanation
Prepared by
Cloud R&D
Panacea Systems Limited
8/19/2013
Panacea Systems Limited
Dhaka, Bangladesh

2 | P a n a c e a S y s t e m s L t d .
Summary of Comparison between VMware
and Open Stack Cloud
Services VMware Features Open Stack Features
Live Migration vMotion KVM Live Migration
Resource Scheduler DRS Nova Scheduler
Storage motion & support SDRS Nova Scheduler
Network Security vShield Nova-network service
Network Management vDS Quantum/Nova-network service
Storage Management Storage APIs Nova-volume service
Live Migration
 Live migration in VMware managed by vMotion. Metro vMotion allows migration
over metro level networks (up to 10 ms RTT) by dynamically adjusting TCP
buffer.
 Live migration in Open Stack managed by Kernel-based Virtual Machine (KVM).
Migration using KVM supported libvirt block migration features.
Resource Scheduler
 VMware Manages workload by grouping virtual machines; pooling resources of
physical hosts and prioritizing VMs in these pools.
 Open Stack manages the resource workload ‘intelligently’ by using Nova
Scheduler
Storage motion & support
 VMware allows moving volume storage workloads over datastore cluster Storage
vMotion. Supports affinity/anti-affinity rules.

3 | P a n a c e a S y s t e m s L t d .
 In Open Stack, local storage of VMs resides on local disks of compute nodes.
Nova-scheduler supports boot from-volume feature that allows to use iSCSI
persistent volume as boot VM device.
Network Security
 In VMware, Zones component provides IP-based applic.-aware statefulfirewall
that recognizes IP addresses, ports, protocol (5-tuple), application type. Edge
component provides connection on network edge, including 5-tuple firewall,
NAT, DHCP server for VMs, site-to-site IPSecVPN, simple load balancing.
 Open Stack supports per-VM firewall that uses 5-tuple to policy network access
Security Groups Network controller performs edge firewall, DHCP, DNS, NAT
functions for VMs   Cloud-pipe allows VPN connection to VMs (OpenVPN)
Opensource IDS/IPS can be integrated into network controller.
Network Management
 In VMware, nnd-to-end physical and virtual network are managed Cisco Nexus
1000V. Enables Net IO Control.
 In Open Stack end-to-end physical and virtual network management in
Quantum following plug-in:
o  Cisco Nexus 1000V
o  Nicira virtual switch
o  Open vSwitch
o  Linux bridges
Storage Management
 VMware allows to integrate storage solution management vCenter for
management functionality which called VASA.
 Open Stack allows utilization of back-end storage appliance advanced features
of driver configuration, including CoW, thin provisioning; no API provided by
OpenStack.

Comparison between VMware and Open Stack Cloud

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