Introduction to AWS

AWS Global Infrastructure

* 35 avalability zones with 13 regions

* 9 Availability Zones and 4 Regions coming online next year.

AWS Regions and Availability Zones

* A Region is a physical location in the world where we have multiple Availability Zones.

* 12 , 11 PUBLIC, 1 GOVCLOUD,1 CHINA CLOUD

* Availability Zones consist of one or more data centers

* EACH HAS 2 or more DATACENTERS PHYSICALY SEPERATED FROM FAR DISTANCE WHICH IS NOT AFFECTED BY NATUARAL CALAMITIES

*  FOR EG IF ONE IS IN BANGLR AND THEN THE OTHER WILL BE IN MUMBAI

* FOR HIGH AVAILABILITY

* ALL  AVAILABILTY ZONES ARE INTERCONNECTED WITH LOW LATENCY PVT CONNECTION

* WITH MAX 10 GBPS SPEED 

* REGIONS ARE CONNECTED THROUGH INTERNET WITH LESS SPEED CONNECTIVITY

* POWER IS FROM DIFFERENT POWER GRIDS

* DIFFERENT INTERNET CONNECTION IS ALSO USED

* AWS Asia Pacific (Mumbai) Region in India (very costly - go for singapore region which is nearest)

* Mumbai region has two Availability Zones

AMAZON EDGE LOCATIONS

* 55 EDGE LOCATIONS

* USED AS CDN – CONTENT DELIVERY NETWORK

* CACHE OF IMAGES FOR FASTER PROCESSING

* CDN IS ALSO NAMED AS AMAZON CLOUD FRONT

*  three edge locations (Mumbai, Chennai, and New Delhi) in India.

-----------------------------------------------------------------------------------------------------------------------

* AMAZON HAS ABOUT 56 SERVICES 

* IF WE NEED TO MIGRATE 20 PB DATA SERVER TO AMAZON S3  OR GLACIAR (ARCHIVING SERVICE IN AMAZON) IN LIMITED TIME WE CAN OPT FOR AWS DIRECT CONNECT 

* DEDICATED SERVICE FROM YOUR DATACENTER TO AMAZON

* INDIA IT IS PROVIDED BY GPX (10 GBPS SPEED)

* AZURE HAS MORE DATACENTER THAN AMAZON 

* AMAZON HOURLY BILLING , AZURE MINUTE BILLING

*********************************************************************************

DATACENTER : COLLECTION OF SERVICES

*COMPUTE  - RACKS,BLADES IN DC – EC2,ECS,ELASTIC BEANSTACK,LAMDA IN AMAZON

*STORAGE – SAN,NAS – EBS,REDSHIFT,S3

*NETWORK – ROUTER,SWITCHES,HUB – VPC,ROUTE 53,DIRECT CONNECT

*DATABASE – RDBMS,MYSQL – RDS,DYNAMODB,MYSQL,AURORA(AWS)

*MESSAGING SERVICE – KAFKA,RABITMQ,ACTIVEMQ – SQS

*MAIL TRANSFER – SMTP  - SES

*********************************************************************************