Cloud Storage Services

Amazon S3, App Engine Blobstore,

Google Cloud Storage, Azure Blobs

Svetlin NakovTelerik Software

Academyacademy.telerik.com

CloudStora

ge

http://clouddevcourse.telerik.com

Table of Contents Cloud Storage: Introduction Amazon S3 Google AppEngine Blobstore Google Cloud Storage Azure Blobs Rackspace Cloud Files Dropbox Other Cloud Storage Services

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Cloud Storage Services

Introduction

Cloud Storage Services Cloud Storage Services are public infrastructure for storage of large objects Files / blobs / images / videos / etc.

Stored in Internet (in a public cloud)

Accessible through some API (REST / SDK / etc.)

May have front-end for end-user access

Could support access control list (ACL)

Could be free (with limits) or paid (on-demand)

Could support CDN delivery or not

4

Cloud Storage Services – Examples

Amazon S3 Google AppEngine Blobstore Google Cloud Storage Azure Blobs Rackspace Cloud Files Google Drive, Microsoft SkyDrive, Apple iCloud

Dropbox, Box.com, ADrive, Mozy, FlipDrive, SpiderOak, SugarSync

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Amazon S3S3 == Simple Storage Service

Amazon S3 Amazon S3 == Simple Storage Service On-demand file storage in the AWS

cloud

Highly-reliable (99.999999999% durability and 99.99% availability)

Many APIs: RESTful / SOAP / C# / Java / others

Two modes: Normal – more reliable, more

expensive

Reduced redundancy – cheaper, but less reliable

Multiple locations: US, Europe, Asia

7

Amazon S3 Concepts Your cloud storage consists of buckets Objects are stored in the buckets

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BucketNakov-at-home.jpg

Object

BucketBucket

ObjectObject

MyCat.avi

Sample.mp3

Amazon S3 Pricing Amazon S3 Pricing (as of May 2012) http://aws.amazon.com/s3/pricing/

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Storage Size Standard Storage

Reduced Redundancy

Storage

First 1 TB / month$0.125 per

GB$0.093 per

GB

Next 49 TB / month

$0.110 per GB

$0.083 per GB

Next 450 TB / month

$0.095 per GB

$0.073 per GB

Next 500 TB / month

$0.090 per GB

$0.063 per GB

Next 4000 TB / month

$0.080 per GB

$0.053 per GB

Over 5000 TB / month

$0.055 per GB

$0.037 per GB

Using Amazon S3 Steps to setup and use Amazon AWS and S3

1. Sign-up for Amazon AWS Free Tier https://aws-portal.amazon.com/gp/aws/developer/

registration/

2.Login at Amazon AWS Console https://console.aws.amazon.com/

3.Get Your AWS Access Credentials https://aws-portal.amazon.com/gp/aws/securityCr

edentials

4.Install AWS SDK for .NET / Java / PHP / REST

http://aws.amazon.com/sdkfornet/

5. Start Developing AWS applications

10

Amazon S3Live Demo

GoogleAppEngine BlobstoreBlob Storage Service + Java / Python

API

AppEngine Blobstore Google AppEngine Blobstore

Storage for large objects (blobs) in GAE

Keeps key-value-pairs Key – string

Value – object binary data

GAE Blobstore has Java and Python API BlobstoreService, BlobKey,

BlobstoreInputStream

HTTP upload / download functionality

5 GB free quota, then $0.13 / GB per month

13

Google Cloud Storage

Cloud Storage with RESTful API

Google Cloud Storage GAE Cloud Storage

File storage service similar to Amazon S3

Paid, no free edition

15

Bucket

Nakov-at-home.jpg

Object

BucketBucket

ObjectObject

MyCat.avi

Sample.mp3

ProjectProjectProject

GAE Cloud Storage API RESTful API – based on HTTP requests GET Service

Lists all of the buckets that you own

PUT Bucket

Creates a bucket / changes bucket permissions

GET Bucket

Lists the contents of a bucket or retrieves the ACLs that are applied to a bucket

DELETE Bucket – deletes an empty bucket

16

GAE Cloud Storage API GET Object

Downloads an object / retrieves the ACLs

PUT Object Uploads an object or applies new

ACLs

DELETE Object Deletes an object

POST Object Uploads an object by using HTML

forms

HEAD Object – lists object metadata

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Azure BlobsBlog Storage with RESTful and

Managed API

Blob Storage Concepts

BlobContainer

Accounts

sally

PIC01.JPG

PIC02.JPG

images

movies

Blocks

MOV1.AVI

Block or Page 1

Block or Page 1

Block or Page 1

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Rackspace Cloud FilesFile Storage in the Cloud Served

through a CDN

Rackspace Cloud Files Rackspace Cloud Files

Cloud storage service by Rackspace

Can use Akamai CDN

RESTful API / Java API / C# API / PHP API / …

Main operations List containers, list objects, CRUD

for objects

Pricing On-demand: $0.15 / GB per month

Akamai CDN: $0.18 / GB

21

DropboxCloud Storage with Auto Sync for Any

DeviceAccessible through REST / Java / C#

APIs

Dropbox Dropbox

File storage in the Dropbox cloud

2 GB free + bonus storage (up to 16 GB)

Auto-sync for any device / OS Windows, Mac OS X, Linux

iPhone, iPad, Android

Accessible through REST / Java / C# APIs www.dropbox.com/developers/refere

nce/sdk23

Accessing Dropbox from .NET through

OAuthLive Demo

Other CloudStorage Services

Google Drive, Microsoft SkyDrive, Apple iCloudBox.com, ADrive, Mozy,

FlipDrive, SpiderOak, SugarSync

Google Drive

Google Drive Google’s online file storage

Has files and folders

Integrated with Google Docs

Free 5 GB storage

Has RESTful API + .NET, Java, PHP, Python SDK developers.google.com/drive/downlo

ads

Similar to Microsoft SkyDrive 26

Microsoft SkyDrive Microsoft SkyDrive

Microsoft’s online file storage

Similar to Google Drive

Has files and folders

Integrated with Google Docs

Free 7-25 GB storage

Has RESTful API + .NET, Java, PHP, Python SDK developers.google.com/drive/downlo

ads

Similar to Microsoft SkyDrive

27

Other Cloud Storages Other cloud storage services

Apple iCloudBox.com

Box.com

ADrive

Mozy

FlipDrive

SpiderOak

SugarSync

…28

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Cloud Storage Services

http://academy.telerik.com

Homework1. Using the Dropbox API implement a

simple application for publishing a photo album. It should implement the following functionality: Select a folder that holds a set of photos

(album)

Enter a name for the album (e.g. Nesebar2012)

Generate an HTML file listing all the photos

Create a public folder in Dropbox for the album and upload all the photos in Dropbox through its API

Share the generated album for public view (make the folder public and get a public link)

Open the album's public link in the default Web browser

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