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VM |
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VM micro (below 1 vCPU)
Details
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1vCPU minimum
Smallest vm size is 1vCPU
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ecs.n1.tiny
https://www.alibabacloud.com/product/ecs
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A-series
https://docs.microsoft.com/en-us/azure/virtual-machines/virtual-machines-windows-sizes
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VM Small (up to 8 vCPU)
Details
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Available : Configurable mem up to 64GB
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ecs.c1.large and ecs.n1.xlarge series
https://www.alibabacloud.com/product/ecs
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D-series
https://docs.microsoft.com/en-us/azure/virtual-machines/virtual-machines-windows-sizes
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VM Medium (up to 16 vCPU)
Details
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Available : Configurable mem up to 128GB
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ecs.c2.large and ecs.n1.3xlarge
https://www.alibabacloud.com/product/ecs
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L-series
https://docs.microsoft.com/en-us/azure/virtual-machines/virtual-machines-windows-sizes
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VM Large (up to 32 vCPU)
Details
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Available : Configurable mem up to 242GB
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ecs.n1.7xlarge and ecs.sn1.7xlarge
https://www.alibabacloud.com/product/ecs
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L-series
https://docs.microsoft.com/en-us/azure/virtual-machines/virtual-machines-windows-sizes
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VM XLarge (up to 64 vCPU 128GB RAM)
Details
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Max 56 core with mem up to 242GB
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largest instance is 56 vCPU
https://www.alibabacloud.com/product/ecs
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EV3-series
https://docs.microsoft.com/en-us/azure/virtual-machines/virtual-machines-windows-sizes
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VM XXLarge (up to 128 vCPU 2TB RAM)
Details
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Not available as VM (Baremetal option : per Month)
https://www.ibm.com/cloud-computing/bluemix/gpu-computing
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No
https://www.alibabacloud.com/product/ecs
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M-series
https://docs.microsoft.com/en-us/azure/virtual-machines/virtual-machines-windows-sizes
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GPU VM Large (up to 32 vCPU)
Details
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Not available as VM (Baremetal option : per Hr / Month)
https://www.ibm.com/cloud-computing/bluemix/gpu-computing
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ecs.gn5-c28g1.14xlarge
https://www.alibabacloud.com/product/gpu
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N-series
https://docs.microsoft.com/en-us/azure/virtual-machines/virtual-machines-windows-sizes
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GPU VM XLarge (up to 64 vCPU 128GB RAM)
Details
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Not available as VM (Baremetal option : per Hr / Month)
https://www.ibm.com/cloud-computing/bluemix/gpu-computing
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largest instance is 56 vCPU
https://www.alibabacloud.com/product/gpu
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No
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GPU VM XXLarge (up to 128 vCPU 2TB RAM)
Details
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No generally available Baremetal option
https://www.ibm.com/cloud-computing/bluemix/gpu-computing
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No
https://www.alibabacloud.com/product/gpu
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No
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Nvidia Tesla P100, M60, K80, Grid K2 (monthly & hourly options)
https://www.ibm.com/cloud-computing/bluemix/gpu-computing
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Nvidia Tesla P100 GPU
https://www.alibabacloud.com/product/gpu
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NVIDIA K80, M60, P100
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sizes-gpu
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Standard config types for public VMs. Private host VMs can be configured
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No
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No
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Defined disk IOPS
Details
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Not available as local disc (available with SAN)
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Users can choose SSD storage, but they cannot specify IOPS
https://www.alibabacloud.com/starter-packages/general
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Yes to a certain degree
IOPS can be defined using different backend disks, but one cannot configure a dedicated IOPS list --> https://docs.microsoft.com/nb-no/azure/storage/common/storage-premium-storage
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Not supported
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No native SR-IOV support
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Yes, Accelerated Network
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1 x public / 1 x private : Can add 1 private but no ability to add additional
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Based on selected network bandwidth peak between
Data Transfer: Charges are determined by the amount of Internet data transferred to the Instance (usually calculated by GB). To help prevent high charges from sudden traffic, users can designate the Instance bandwidth. Users that don’t mind fluctuating costs to meet the Instance Internet network demands would prefer this billing type.
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Low, Moderate, High, RDMA
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No ability to add vNIC
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No. Can add multi-queue for NICs
Can only add addresses to VPC https://www.alibabacloud.com/help/faq-detail/38742.htm or use multi-queue for NICs https://www.alibabacloud.com/help/doc-detail/52559.htm
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Yes
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Attached / detach block storage
Details
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Limited ability with portable storage
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Yes, including Shared Block Storage
Shared Block Storage can be attached to up to 16 VMs concurrently
https://www.alibabacloud.com/help/faq-detail/53820.htm
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Yes
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Virtual dedicated cloud
Details
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Virtual network created at L2 VLAN level.
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Alibaba Cloud Virtual Private Cloud (VPC) is an isolated cloud network built for private usage.
https://www.alibabacloud.com/product/vpc
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Yes Virtual Network
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Can assign portable public / private IPs
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Only Elastic Ips
https://www.alibabacloud.com/help/doc-detail/54479.htm
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Yes
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Image |
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Manual snapshots image
Details
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Supported
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Can create system image
https://www.alibabacloud.com/help/doc-detail/25389.htm
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Yes
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Scheduled snapshot image
Details
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Not available as native service (could script through API)
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Scheduled tasks are supported, but not for VM image
https://www.alibabacloud.com/help/doc-detail/25957.htm
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Not available as native service
Not available as native service
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API / CLI Snapshot image
Details
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Supported
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Scheduled tasks are supported, but not for VM image
https://www.alibabacloud.com/help/doc-detail/25957.htm
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Yes
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Make image public / marketplace
Details
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Supported
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Only through Marketplace
https://www.alibabacloud.com/marketplace
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Yes Azure Marketplace
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ISO & VHD imports supported
https://knowledgelayer.softlayer.com/procedure/import-image
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Supports RAW and VHD format
https://www.alibabacloud.com/help/doc-detail/25464.htm
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Yes CLI or UI
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VHD image export
https://knowledgelayer.softlayer.com/procedure/export-image
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Must request for export function to be whitelisted
https://www.alibabacloud.com/help/doc-detail/58181.htm
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Yes
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O/S |
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Windows Server 2012, 2012R2, 2016 Standard edition
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Windows Server 2008 and 2012, Standard, Data Center, and Enteprise, English and Chinese
https://ecs-buy-intl.aliyun.com/
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Microsoft Azure currently supports a variety of operating systems including: Ubuntu, Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, Fedora, Debian, CentOS, Gentoo Linux, Oracle Linux, and FreeBSD.Â
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Redhat, Ubuntu, Debian, CentOS, Cloudlinux, CoreOS
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CentOS, Ubuntu, Debian, FreeBSD, SUSE, and Alibaba Linux as well as CoreOS
https://ecs-buy-intl.aliyun.com/
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Microsoft Azure currently supports a variety of operating systems including: Ubuntu, Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, Fedora, Debian, CentOS, Gentoo Linux, Oracle Linux, and FreeBSD.Â
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Bring your own OS
Details
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Supported (at own risk)
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No
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Yes, you can bring your own Microsoft license using HUB
https://azure.microsoft.com/nb-no/pricing/hybrid-use-benefit/
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Control |
|
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Resize existing VM
Details
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Resize vCPU, memory, network speed
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No
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Yes
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VM Live Migration
Details
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Recovery processes not clearly defined. SLA for recovery defined (in hrs)
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No
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On host failure the vm will be auto migrated to a new host (guest monitor/restart also available)
https://azure.microsoft.com/en-us/blog/service-healing-auto-recovery-of-virtual-machines/
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Supported
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Limited to pre-defined metadata types
https://www.alibabacloud.com/help/faq-detail/49122.htm
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Yes
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Powering off VM does not stop billing
VM needs to be deprovisioned to stop billing being incurred
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No
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Yes
, can be done using Azure automation
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Provision in less than 5 mins
Details
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Variable - often more than 5 mins
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Yes
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Yes
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Provision consistent spec
Details
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Although host performance is up to date, there is limited view of host specification
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Instance generation types include specific CPU information
https://www.alibabacloud.com/product/ecs
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Yes
|
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Reserved instances
Details
|
Not available
|
Monthly subscription option only
https://www.alibabacloud.com/#pricing
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Yes
Reserved instances still limited to EA, but allows to reserve a virtual machine with up to 82% discount
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|
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Not available
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No
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Yes, Azure Low Priority VMs
https://azure.microsoft.com/nb-no/blog/announcing-public-preview-of-azure-batch-low-priority-vms/
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Dedicated host (Single tenant)
Details
|
Dedicated host & dedicated Instances (pay per VM) available
https://www.ibm.com/cloud-computing/bluemix/virtual-servers
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No
|
No
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VM to host affinity (network optimised)
Details
|
Available on didicated hosts
https://www.ibm.com/cloud-computing/bluemix/virtual-servers
|
Only for containers
https://www.alibabacloud.com/help/doc-detail/56411.htm
|
Yes
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VM to host anti-affinity
Details
|
Available on didicated hosts
https://www.ibm.com/cloud-computing/bluemix/virtual-servers
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No
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Yes, Availability Groups
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Autoscaling VMs (within AZ)
Details
|
Supported (within DC)
|
Yes
https://www.alibabacloud.com/product/auto-scaling
|
Yes
|
|
Autoscaling across AZs/Regions
Details
|
Not available
|
Using Server Load Balancing
https://www.alibabacloud.com/product/server-load-balancer
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No
|
|
|
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Block storage |
|
|
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Available (25GB & 100GB primary drive)
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Basic Cloud Disk
https://www.alibabacloud.com/help/doc-detail/25383.htm
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Yes, Standard Managed Disk or Standard Storage
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|
|
Yes ability to define local storage (as SSD)Â
VM hosts have been upgraded to SSD based, however limited visibility when ordering. SAN based VM disks do not have SSD option, howevere additional Block and File based storage options with SSD (defined by IPS) are available https://www.ibm.com/blogs/bluemix/2016/11/intel-optane-ssd-testbed/
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SSD Cloud Disk
https://www.alibabacloud.com/starter-packages/general
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Yes, Premium Storage
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|
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Available (25GB & 100GB primary drive)
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SSD Cloud Server
https://www.alibabacloud.com/starter-packages/general
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No
|
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Encryption at rest
Details
|
Not available on VM drives (only on additional attached storage)
https://www.ibm.com/cloud-computing/bluemix/block-storage
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For object storage
https://www.alibabacloud.com/help/doc-detail/31871.htm
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Yes
|