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Update README.md (#515)

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* Update README.md

Included a bit more about google cloud and d2.xlarge EC2 instance store in the storage cost comparison table.

* Minor copy editing in GCP section.
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Joshua Buss 2017-09-30 19:54:14 -05:00 • committed by Thanos Baskous
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@ -158,7 +158,7 @@ General Information
- **Costs:** Billing and cost management are such big topics that we have [an entire section on this](#billing-and-cost-management). - **Costs:** Billing and cost management are such big topics that we have [an entire section on this](#billing-and-cost-management).
- 🔹**EC2 vs. other services:** Most users of AWS are most familiar with [EC2](#ec2), AWS’ flagship virtual server product, and possibly a few others like S3 and CLBs. But AWS products now extend far beyond basic IaaS, and often companies do not properly understand or appreciate all the many AWS services and how they can be applied, due to the [sharply growing](#which-services-to-use) number of services, their novelty and complexity, branding confusion, and fear of ⛓lock-in to proprietary AWS technology. Although a bit daunting, it’s important for technical decision-makers in companies to understand the breadth of the AWS services and make informed decisions. (We hope this guide will help.) - 🔹**EC2 vs. other services:** Most users of AWS are most familiar with [EC2](#ec2), AWS’ flagship virtual server product, and possibly a few others like S3 and CLBs. But AWS products now extend far beyond basic IaaS, and often companies do not properly understand or appreciate all the many AWS services and how they can be applied, due to the [sharply growing](#which-services-to-use) number of services, their novelty and complexity, branding confusion, and fear of ⛓lock-in to proprietary AWS technology. Although a bit daunting, it’s important for technical decision-makers in companies to understand the breadth of the AWS services and make informed decisions. (We hope this guide will help.)
- 🚪**AWS vs. other cloud providers:** While AWS is the dominant IaaS provider (31% market share in [this 2016 estimate](https://www.srgresearch.com/articles/aws-remains-dominant-despite-microsoft-and-google-growth-surges)), there is significant competition and alternatives that are better suited to some companies. [This Gartner report](https://www.gartner.com/doc/reprints?id=1-2G2O5FC&ct=150519&st=sb) has a good overview of the major cloud players : - 🚪**AWS vs. other cloud providers:** While AWS is the dominant IaaS provider (31% market share in [this 2016 estimate](https://www.srgresearch.com/articles/aws-remains-dominant-despite-microsoft-and-google-growth-surges)), there is significant competition and alternatives that are better suited to some companies. [This Gartner report](https://www.gartner.com/doc/reprints?id=1-2G2O5FC&ct=150519&st=sb) has a good overview of the major cloud players :
- [**Google Cloud**](https://cloud.google.com/). It arrived later to market than AWS, but has vast resources and is now used widely by many companies, including a few large ones. It is gaining market share. Not all AWS services have similar or analogous services in Google Cloud. And vice versa: In particular Google offers some more advanced machine learning-based services like the [Vision](https://cloud.google.com/vision/), [Speech](https://cloud.google.com/speech/), and [Natural Language](https://cloud.google.com/natural-language/) APIs. It’s not common to switch once you’re up and running, but it does happen: [Spotify migrated](http://www.wsj.com/articles/google-cloud-lures-amazon-web-services-customer-spotify-1456270951) from AWS to Google Cloud. There is more discussion [on Quora](https://www.quora.com/What-are-the-reasons-to-choose-AWS-over-Google-Cloud-or-vice-versa-for-a-high-traffic-web-application) about relative benefits. - [**Google Cloud Platform**](https://cloud.google.com/). GCP arrived later to market than AWS, but has vast resources and is now used widely by many companies, including a few large ones. It is gaining market share. Not all AWS services have similar or analogous services in GCP. And vice versa: In particular, GCP offers some more advanced machine learning-based services like the [Vision](https://cloud.google.com/vision/), [Speech](https://cloud.google.com/speech/), and [Natural Language](https://cloud.google.com/natural-language/) APIs. It’s not common to switch once you’re up and running, but it does happen: [Spotify migrated](http://www.wsj.com/articles/google-cloud-lures-amazon-web-services-customer-spotify-1456270951) from AWS to Google Cloud. There is more discussion [on Quora](https://www.quora.com/What-are-the-reasons-to-choose-AWS-over-Google-Cloud-or-vice-versa-for-a-high-traffic-web-application) about relative benefits. Of particular note is that VPCs in GCP are [global by default](https://cloud.google.com/vpc/) with subnetworks per region, while AWS’ VPCs have to live within a particular region. This gives GCP an edge if you’re designing applications with geo-replication from the beginning. It’s also possible to [share one GCP VPC](https://cloud.google.com/compute/docs/shared-vpc/) between multiple projects (roughly analogous to AWS accounts), while in AWS you’d have to peer them. It’s also possible to [peer GCP VPCs](https://cloud.google.com/compute/docs/vpc/vpc-peering) in a similar manner to how it’s done in AWS.
- [**Microsoft Azure**](https://azure.microsoft.com/en) is the de facto choice for companies and teams that are focused on a Microsoft stack, and it has now placed significant emphasis on Linux as well - [**Microsoft Azure**](https://azure.microsoft.com/en) is the de facto choice for companies and teams that are focused on a Microsoft stack, and it has now placed significant emphasis on Linux as well
- In **China**, AWS’ footprint is relatively small. The market is dominated by Alibaba’s [Aliyun](https://intl.aliyun.com/). - In **China**, AWS’ footprint is relatively small. The market is dominated by Alibaba’s [Aliyun](https://intl.aliyun.com/).
- Companies at (very) large scale may want to reduce costs by managing their own infrastructure. For example, [Dropbox migrated](https://news.ycombinator.com/item?id=11282948) to their own infrastructure. - Companies at (very) large scale may want to reduce costs by managing their own infrastructure. For example, [Dropbox migrated](https://news.ycombinator.com/item?id=11282948) to their own infrastructure.
@ -767,16 +767,17 @@ S3
### Storage Durability, Availability, and Price ### Storage Durability, Availability, and Price
As an illustration of comparative features and price, the table below gives S3 Standard, RRS, IA, in comparison with [Glacier](#glacier), [EBS](#ebs), and [EFS](#efs), using **Virginia region** as of **August 2016**. As an illustration of comparative features and price, the table below gives S3 Standard, RRS, IA, in comparison with [Glacier](#glacier), [EBS](#ebs), [EFS](#efs), and EC2 d2.xlarge instance store using **Virginia region** as of **Sept 2017**.
| | Durability (per year) | Availability “designed” | Availability SLA | Storage (per TB per month) | GET or retrieve (per million) | Write or archive (per million) | | | Durability (per year) | Availability “designed” | Availability SLA | Storage (per TB per month) | GET or retrieve (per million) | Write or archive (per million) |
|-----------------|-----------------------|-------------------------|------------------|--------------------------------------------------------------------------------------------------------------------------|-------------------------------|--------------------------------| |-----------------|------------------------|-------------------------|------------------|--------------------------------------------------------------------------------------------------------------------------|-------------------------------|--------------------------------|
| **Glacier** | Eleven 9s | Sloooow | – | $4 | $50 | $50 | | **Glacier** | Eleven 9s | Sloooow | – | $4 | $50 | $50 |
| **S3 IA** | Eleven 9s | 99.9% | **99%** | $12.50 | $1 | $10 | | **S3 IA** | Eleven 9s | 99.9% | **99%** | $12.50 | $1 | $10 |
| ~~**S3 RRS**~~ | ~~**99.99%**~~ | ~~99.99%~~ | ~~99.9%~~ | ~~$24 (first TB)~~ | ~~$0.40~~ | ~~$5~~ | | ~~**S3 RRS**~~ | ~~**99.99%**~~ | ~~99.99%~~ | ~~99.9%~~ | ~~$24 (first TB)~~ | ~~$0.40~~ | ~~$5~~ |
| **S3 Standard** | Eleven 9s | 99.99% | 99.9% | $23 | $0.40 | $5 | | **S3 Standard** | Eleven 9s | 99.99% | 99.9% | $23 | $0.40 | $5 |
| **EBS** | **99.8%** | Unstated | 99.95% | $25/$45/**$100**/$125+ ([sc1/st1/**gp2**/io1](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html)\) | | | | **EBS** | **99.8%** | Unstated | 99.95% | $25/$45/**$100**/$125+ ([sc1/st1/**gp2**/io1](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html)\) | | |
| **EFS** | “High” | “High” | – | $300 | | | | **EFS** | “High” | “High” | – | $300 | | |
| **EC2 d2.xlarge instance store** | Unstated | Unstated | – | $25.44 | $0 | $0 |
Especially notable items are in **boldface**. Sources: [S3 pricing](https://aws.amazon.com/s3/pricing/), [S3 SLA](https://aws.amazon.com/s3/sla/), [S3 FAQ](https://aws.amazon.com/s3/faqs/), [RRS info](https://aws.amazon.com/s3/reduced-redundancy/) (note that this is considered deprecated), [Glacier pricing](https://aws.amazon.com/glacier/pricing/), [EBS availability and durability](https://aws.amazon.com/ebs/details/#Amazon_EBS_Availability_and_Durability), [EBS pricing](https://aws.amazon.com/ebs/pricing/), [EFS pricing](https://aws.amazon.com/efs/pricing/), [EC2 SLA](https://aws.amazon.com/ec2/sla/) Especially notable items are in **boldface**. Sources: [S3 pricing](https://aws.amazon.com/s3/pricing/), [S3 SLA](https://aws.amazon.com/s3/sla/), [S3 FAQ](https://aws.amazon.com/s3/faqs/), [RRS info](https://aws.amazon.com/s3/reduced-redundancy/) (note that this is considered deprecated), [Glacier pricing](https://aws.amazon.com/glacier/pricing/), [EBS availability and durability](https://aws.amazon.com/ebs/details/#Amazon_EBS_Availability_and_Durability), [EBS pricing](https://aws.amazon.com/ebs/pricing/), [EFS pricing](https://aws.amazon.com/efs/pricing/), [EC2 SLA](https://aws.amazon.com/ec2/sla/)