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Compute |
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Virtual servers are called cloud instances (equivalent to EC2 instances in AWS)
https://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#user-guide/understanding_instances.html
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VMware Cloud Foundation bundles vSphere which includes the ESXi virtualization platform for creating and running virtual machines and virtual appliances
https://docs.vmware.com/en/VMware-Cloud-Foundation/3.0/rn/VMware-Cloud-Foundation-30-Release-Notes.html
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Azure Stack allows for the deployment of virtual servers called virtual machines
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-compute-overview
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VM Type - General Purpose
Details
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Virtual machine hardware can be configured to take full advantage of the underlying hosts hardware. A collection of instance types can be customized in terms of vCPUs, memory, and disk.
https://libvirt.org/formatdomain.html
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You can configure the virtual machine hardware to take advantage of the underlying hosts hardware
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-4AB8C63C-61EA-4202-8158-D9903E04A0ED.html
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General purpose VMs are Basic A, Standard A, Av2-series, D-series, DS-series, Dv2-series, DSv2-series
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-vm-sizes#general-purpose
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VM Type - Compute Optimized
Details
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Compute-optimized instance types can be customized by modifying the instance type
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#euca2ools-guide/euca-modify-instance-type.html
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You can configure the virtual machine hardware to take advantage of the underlying hosts hardware. For compute optimized instances, you would increase the CPU resources
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-4AB8C63C-61EA-4202-8158-D9903E04A0ED.html
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Computed optimized VMs are F-series, Fs-series, Fsv2-series
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-vm-sizes#compute-optimized
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VM Type - Memory Optimized
Details
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Memory-optimized instance types can be customized by modifying the instance type
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#euca2ools-guide/euca-modify-instance-type.html
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You can configure the virtual machine hardware to take advantage of the underlying hosts hardware. For memory optimized instances, you would increase the memory resources
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-4AB8C63C-61EA-4202-8158-D9903E04A0ED.html
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Memory optimized VMs are D-series, DS-series, Dv2-series, DSv2-series
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-vm-sizes#memory-optimized
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VM Type - Accelerated (GPU)
Details
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GPU instance types can be customized through advanced configuration only. No official documentation.
https://libvirt.org/formatdomain.html
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You can configure the virtual machine hardware to take advantage of the underlying hosts GPU hardware
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.resmgmt.doc/GUID-74A657D9-52F7-4F92-AB86-9039A90A028D.html
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There are no accelerated VM offerings with a GPU
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-vm-sizes
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Metadata URL, featuring EC2-compatible information and thus compatible with cloud-init, is reachable from instances.
https://docs.eucalyptus.cloud/eucalyptus/4.4.5/image-guide/ig_task_prepare_image.html
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There is no built-in way to access this functionality. (see details)
There is no built-in way to access this functionality. You may be able to get it using the vSphere SDK for Perl within the VM to access the vSphere API but this requires the customer to build the functionality
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While Azure has an Instance Metadata service, this functionality is not currently supported on Azure Stack
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-vm-considerations
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Rapid Provisioning
Details
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System components enable fast provisioning, particularly of EBS-backed instances.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#euca2ools-guide/euca-run-instances.html
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You can easily deploy VMs using a wizard, template, or cloning another VM
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-39D19B2B-A11C-42AE-AC80-DDA8682AB42C.html
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You can easily and quickly deploy virtual machines using the Azure Stack console
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-compute-overview
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Resize existing VM
Details
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EBS-backed instances can be resized after stopping by modifying InstanceType attribute via ModifyInstanceAttribute request (in CLI or Console).
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You can easily resize an existing VM by changing its virtual hardware after creation such as CPU and memory
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-4AB8C63C-61EA-4202-8158-D9903E04A0ED.html
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This functionality is supported in Azure Stack as well
https://azure.microsoft.com/en-us/blog/resize-virtual-machines/
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Resource Management
Details
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Resources can be managed from either the Console or CLI/API
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#admin-guide/manage_resources.html
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Resources can be managed from either the vSphere Web Client or the vSphere Client
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-588861BB-3A62-4A01-82FD-F9FB42763242.html
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The Azure Resource Manager provides a platform to manage all resources deployed within the Azure Stack
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-overview#how-is-azure-stack-managed
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AWS AutoScaling APIs are supported, with performance-based triggers for up- and down-scaling.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#admin-guide/manage_resources_as.html
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There is no vSphere functionality to easily scale up or down VMs from the console
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Azure Stack includes scale sets which allow for automatic scaling of instances based on load
https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/overview
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Images (akin to AMIs and AKIs) can be created and shared with other cloud users. Existing instances can be saved into an image.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#shared/image_section.html
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You can clone a virtual machine to a template which can then be used to deploy other virtual machines later
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-FE6DE4DF-FAD0-4BB0-A1FD-AFE9A40F4BFE_copy.html
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You can create and publish a custom marketplace item
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-create-and-publish-marketplace-item
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Instances can be imported using raw disk or VHD formats. Exports done manually at hypervisor level. No API support for the operation exists.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#euca2ools-guide/euca-import-instance.html
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You can import and export virtual machines in the OVF and OVA formats
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-AFEDC48B-C96F-4088-9C1F-4F0A30E965DE.html
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You can import and export a disk used by a VM. In addition, you may be able to import/export a VM state but this is not confirmed (see details)
You can import and export a disk used by a VM Link to uploading Link to downloading. In addition, you may be able to import/export a VM state but this is not confirmed Link to export state Link to import state
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VM live migration
Details
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VMs can be live-migrated using CLI / API. In the event of a host failure instances to not automatically restart.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#euca2ools-guide/euserv-migrate-instances.html
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You can perform a live migration of a virtual machine without affecting availability, called a hot migration, using vMotion
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vcenterhost.doc/GUID-FE2B516E-7366-4978-B75C-64BF0AC676EB.html
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Azure Stack supports live VM migration as a preventative measure to protect resources from failing hardware
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-network
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VM to host affinity
Details
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Not supported. Can only be achieved by backend administration using instance migration.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#admin-guide/manage_nodes.html
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You can create VM to host affinity rules within a DRS cluster
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.resmgmt.doc/GUID-2FB90EF5-7733-4095-8B66-F10D6C57B820.html
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This capability is not supported by Azure Stack
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VM to host anti-affinity
Details
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Not supported. Can only be achieved by backend administration using instance migration.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#admin-guide/manage_nodes.html
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You can create VM to host anti-affinity rules within a DRS cluster
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.resmgmt.doc/GUID-2FB90EF5-7733-4095-8B66-F10D6C57B820.html
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Azure Stack provides Availability Sets which replicate the VM across different hosts for high availability thus enforcing host anti-affinity
https://docs.microsoft.com/en-us/azure-stack/user/azure-stack-vm-considerations
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Networking |
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Cloud virtual networking
Details
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Overlays a virtual network on top of your existing network. Supports EDGE (EC2 Classic) and VPCMIDO (AWS VPC) modes.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#install-guide/configure_network_modes.html
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VMware Cloud Foundation bundles NSX Data Center for vSphere which provides a platform programmatically managing software-defined virtual networks
https://docs.vmware.com/en/VMware-NSX-Data-Center-for-vSphere/6.4/com.vmware.nsx.admin.doc/GUID-10944155-28FF-46AA-AF56-7357E2F20AF4.html
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The Network Resource Provider delivers a series of Software Defined Networking (SDN) and Network Function Virtualization (NFV) features
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-overview
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Cross-premises connectivity
Details
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Support for AWS VPN Gateway is available but only when using VPCMIDO network mode.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#euca2ools-guide/vpc_euca2ools_intro.html
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The VCF platform is integrated into the customer datacenter and provides cross-premises connectivity to other customer networks
https://docs.vmware.com/en/VMware-NSX-Data-Center-for-vSphere/6.3/com.vmware.nsx.install.doc/GUID-2482B032-F420-432F-A6D0-6CD91506BFCC.html
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Cross-premises connectivity can be established in Azure Stacks which are deployed in the connected mode
https://docs.microsoft.com/en-us/azure-stack/user/azure-stack-vpn-gateway-about-vpn-gateways
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DNS hostname resolution
Details
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DNS names for VM instances is supported automatically
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#shared/setting_up_dns.html
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You can install NSX Edge as an Edge Services Gateway (ESG) between networks which will then allow you to configure external DNS servers. (see details)
You can install NSX Edge as an Edge Services Gateway (ESG) between networks which will then allow you to configure external DNS servers. The ESG ill forward requests from internal clients to the DNS servers for name resolution and will cache lookups DNS Configuration
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Azure Stack supports DNS hostname resolution
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-dns
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DNS zone management
Details
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No mention in the documentation
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No mention in documentation. Functionality would need to be built up by the end-user and then VMware components can take advantage of it
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Azure Stack supports the creation and management of DNS zones and records using both the console and the API
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-dns
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Elastic IP and Elastic Network Interface functionality enables flexible IP address assignment.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#shared/console_manage_eips.html
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You can statically set an VMs IP address from vSphere as well as specify a network protocol which is a pool of IPv4 and IPv6 addresses that vCenter will assign to virtual machines
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.networking.doc/GUID-D24DBAA0-68BD-49B9-9744-C06AE754972A.html
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You can reassign an IP by modifying the virtual network interface or by deleting it and creating a new one (Experience)
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Elastic Load Balancer is an included service.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#troubleshooting-guide/ts_elb.html
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You can install NSX Edge as an Edge Services Gateway (ESG) and take advantage of the logical load balancer
https://docs.vmware.com/en/VMware-NSX-Data-Center-for-vSphere/6.4/com.vmware.nsx.admin.doc/GUID-152982CF-108F-47A6-B86A-0F0F6A56D628.html
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The Azure Stack provides load balancing functionality
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-network-differences
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Network Interfaces
Details
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Elastic Network Interface functionality allows attaching and detaching of virtual NICs to instances
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#user-guide/vpc_concepts_elastic_net_interfaces_eni.html
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Virtual machines can have a variety of different network adapters added and configured
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-AF9E24A8-2CFA-447B-AC83-35D563119667.html
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You can create and modify network interfaces attached to virtual machines (Experience)
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Outbound Network Connectivity
Details
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Can be configured to connect to external networks with both EDGE (EC2 Classic) and VPCMIDO (Amazon VPC) networking modes.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#ops-guide/ops_networking.html
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You can connect virtual machines to the physical network
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.networking.doc/GUID-F3F5E069-9A75-467A-93FC-800F37104A7E.html
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The Azure Stack is integrated into the customers datacenter and has outbound network connectivity to the customers border
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-datacenter-integration
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Public IP Address
Details
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Public IP addresses can be assigned to instances either automatically or from a pool of Elastic IP addresses.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#ops-guide/ops_networking.html
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You can connect virtual machines to the physical network
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.networking.doc/GUID-F3F5E069-9A75-467A-93FC-800F37104A7E.html
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Azure Stack supports IPv4 public addresses
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-network-differences
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Can be customized to use SR-IOV for instance networking by advanced configuration only. No official documentation.
https://wiki.libvirt.org/page/Networking
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There is a specific network adapter type (SR-IOV passthrough) designed to enable and support SR-IOV networking
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.vm_admin.doc/GUID-AF9E24A8-2CFA-447B-AC83-35D563119667.html
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No mention of this capability for Azure Stack
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VM Security Groups
Details
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Instances can be added to a security group which has a specific network security policy applied to it.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#user-guide/networking_security.html
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Virtual Machines can be added to a security group which has a specific network security policy applied to it
https://docs.vmware.com/en/VMware-NSX-Data-Center-for-vSphere/6.4/com.vmware.nsx.admin.doc/GUID-16B3134E-DDF1-445A-8646-BB0E98C3C9B5.html
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VM Security groups are provided as network security groups
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-overview
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Virtual Network Peering
Details
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Ability to create a peering connection between two VPCs is supported.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#euca2ools-guide/euca-create-vpc-peering-connection.html
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You can set up cross-vCenter deployments as well as implement VPNs to access corporate and other cloud networks securely
https://docs.vmware.com/en/VMware-NSX-Data-Center-for-vSphere/6.4/com.vmware.nsx.admin.doc/GUID-FB4BEB23-6A87-4291-A90B-826F69C1F7B6.html
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Not supported as of 20190124
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-network-differences
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Storage |
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Supports S3-compatible object storage using its Object Storage Gateway (OSG)
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#install-guide/config_object_storage.html
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No mention in the documentation
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Azure Stack provides blob storage for object storage
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-storage-overview
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Elastic Block Storage (EBS) provides block-level storage volumes that you can attach to instances.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#shared/using_block_storage.html
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vSphere provides a variety of different storage options and functionalities
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.storage.doc/GUID-F602EB17-8D24-400A-9B05-196CEA66464F.html
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Azure Stack supports page blobs which are the equivalent of block storage
Link to storage overview, Link to services
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Shared file storage
Details
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Shared file storage is not supported.
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VMWare provides NFS but not SMB storage solutions
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.storage.doc/GUID-E3B77DE4-7525-47D3-B2D7-BC71CCD7992D.html
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Azure Stack does not provide a SMB or NFS solution
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Procedures for backing up and restoring everything except root disks of instance-store (ephemeral) instances are documented.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#ops-guide/ops_recovery.html
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VCF provides backup and restore capability of components
https://docs.vmware.com/en/VMware-Cloud-Foundation/2.3/com.vmware.vcf.admin.doc_23/GUID-FD14EA32-3FCC-48B8-A42A-FD276DE43925.html
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Microsoft Azure Backup Server can be used to back up data within Azure Stack (see details)
Microsoft Azure Backup Server can be used to back up data within Azure Stack Link to backup. In addition, data store on Azure Stack is replicated using the locally redundant storage methodology Link to storage cheat sheet
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Local Data Protection
Details
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Relies on replication features of underlying software and hardware (RAID and Ceph) for local data protection from hardware failures.
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Virtual Volumes support replication capabilities for disaster recovery
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.storage.doc/GUID-6346A936-5084-4F38-ACB5-B5EC70AB8269.html
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Local data is encrypted and replicated across nodes in case of hardware failure
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-acs-differences#cheat-sheet-storage-differences
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Remote Replication
Details
|
No special functionality for automatic remote replication are provided, but backup process can include transfer of backed up data offsite for disaster recovery.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#admin-guide/backup_euca.html
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Virtual Volumes support replication capabilities for disaster recovery
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.storage.doc/GUID-6346A936-5084-4F38-ACB5-B5EC70AB8269.html
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The only replication option available is locally redundant storage
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-acs-differences#cheat-sheet-storage-differences
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EBS snapshots are supported in both Web console and via CLI/API.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#shared/console_manage_snapshots.html
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Virtual volumes provide snapshot capability to preserve the state and data of a virtual machine at a given point in time
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.storage.doc/GUID-B3A59A35-8CDF-4DD6-A069-29927E65684C.html
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Snapshots are supported for blobs (limited to 1000 per blob) but not for page blobs
https://docs.microsoft.com/en-us/azure/azure-stack/user/azure-stack-acs-differences
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Storage Architecture
Details
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Deployed as customer configurable two-level storage system. Support for HCI not documented.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#install-guide/config_storage.html
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VMware provides for a very flexible storage architechture
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.storage.doc/GUID-F602EB17-8D24-400A-9B05-196CEA66464F.html
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Azure Stack provides for either a hybrid or all-flash storage architechture
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-storage-infrastructure-overview
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Supports only a single storage class for both block and object storage.
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You can configure the vSAN cluster (shared storage pool) to be either hybrid or all-flash (see details)
You can configure the vSAN cluster (shared storage pool) to be either hybrid where magnetic disks are used for capacity or all-flash where flash disks are used for capacity and then specify clusters from which hosts can use storage Link to vSAN documentation
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Azure Stack supports standard and premium storage
https://docs.microsoft.com/en-us/azure-stack/user/azure-stack-acs-differences
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Storage Scalability
Details
|
The Storage Controller (SC) and Object Storage Gateway (OSG) are molular and enable storage capacity to be dynamically allocated independent of the system.
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#install-guide/config_storage.html
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You can expand an existing vSAN cluster by adding hosts or devices to existing hosts without disrupting ongoing operations
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.virtualsan.doc/GUID-51AEE927-91A9-4B04-BF3F-DD7956D841A8.html
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Azure Stack operators can increase the overall capacity of an existing scale unit by adding additional scale unit nodes
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-add-scale-node
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