Introduction to Cloud Computing

1-Introduction to Cloud

 

1. Introduction to ON-Premise infra
2. History of managing Servers
1. Servers in Company Premises
2. Servers in Shared DC
3. DC with concept of managed Services. Also called Tenants
4. Virtualisation
5. Data centre -Managed Services-virtualisation

 

3. Cloud is an evaluation of existing technologies
4. Cloud Computing characteristics
1. Self service
2. Resource are pooled across multiple customers
3. Elasticity
4. Reliability
5. Utility Modelled Service
5. Certain advantages of Cloud
1. Drive down cost
2. Cope with Demand
3. Run your Business, don’t worry about your IT
4. Innovate and Lead
5. Improved security and compliance
6. Reduce your carbon footprint
7. Future-proof your business

 

6. Categories of Cloud Services
1. SaaS: Software deployed over the internet. Hotmail and Gmail
2. PaaS: No Need to buy/maintain software and underlying infra
3. IaaS: Servers, storage, N/w, OS on Demand

 

 

7. Above mentioned is top down effort approach. As we come down from SaaS to IaaS our effort increases
8. In April 2014, Windows Azure was changed to Microsoft Azure. This change reflects Microsoft strategy that Azure is a Public cloud platform for customers as well as for Microsoft own services O365, Dynamic CRM, Bing etc Additionally to reflect that Microsoft Azure is not just Windows product

 

10. Azure wasn’t the first player in cloud computing. Initially IaaS service wasn’t part of Azure Services. MS had experience in cloud services like Hotmail and Bing
11. MS Operates in 33 regions. Soon they will be coming up in 5 new locations. Check following link for updated information https://azure.microsoft.com/en-in/regions/
12. There are regional regulations as well in cloud regions
13. Status of various azure services can be checked by
1. Visit website https://www.azure.com
2. Click Support Tab
3. Click Azure Status Dashboard

14. Restriction on Countries under Embargo
15. List of Countries/Regions for Azure availability and currency that be used to purchase

https://docs.microsoft.com/en-us/azure/billing-countries-and-currencies

16. Following is an FAQ link for Azure Market Place

https://azure.microsoft.com/en-in/marketplace/faq/ 

17. Basic Interview Topics or questions

https://azureqna.blob.core.windows.net/azureqnabook/Microsoft%20Azure%20Interview%20Questions%20by%20Kunal%20and%20Vikram%20v1.0.pdf

18. Services naming introduction between Azure and AWS

https://azure.microsoft.com/en-gb/overview/azure-vs-aws/mapping/

19. Introduction to Microsoft Online Services

https://en.wikipedia.org/wiki/Microsoft_Online_Services 

21. Microsoft Trust center is the place for all security related queries related to Azure

https://www.microsoft.com/en-us/trustcenter/Security/AzureSecurity 

22. Refer following link to see the list of different services in Azure

https://docs.microsoft.com/en-gb/azure/ 

23. On January 18 2017, Microsoft announced Clear Linux OS for Intel Architecture is available in the Azure Marketplace.