1. Traditional IT
과거에는 server을 물리적으로 늘려야 했는데 다양한 문제점들이 존재했다
① Datacenter rent cost
② Power supply, cooling, maintenance costs
③ New hardware costs, limits in extansions
④ monitoring costs etc..
2. AWS
What is AWS??
Amazon Web Services (AWS) is a subsidiary of Amazon providing
on-demand cloud computing platforms and APIs to individuals,
companies, and governments on a metered pay-as-you-go basis.
① Internet - on demand
② Pay-as-you-go Pricing
③ Able to select the exact amount and type and resources
④ Easier to acess server, storage and database
Gives you Flexibility, cost-effextiveness, Scalability, High-availability & fault-tolerance, Agility ....
*No need for user to actually buy or install servers.
3. AWS Services
① EC2 (Elastic Compute Cloud) : Cloud virtual server
② VPC (Virtual Private Cloud) : Isolated Cloud resources
③ S3 (Simple Storage Service) : Expandable Cloud storage
④ RDS (Realated Database Service)
⑤ ELB (Elastic Load Balancing) :
Why AWS?
① Maximize the pros of Cloud Computing
② Simple SignUp Process
③ Amazon Brand Value
④ Stability (Massive yet STABLE!!)
⑤ Various Services