1. Cloud storage foundations
  2. Cloud storage options
    • storage object overview
      • object 的大小对于cloud storage 是个问题，多数services可以处理5GB大小，更大的object需要split into multiple parts
      • containers/buckets, 有唯一的ID， 用于存储object
      • 可以通过API对这些object 增删改查
    • manage db content
      • its sibling object storage
      • NoSql and RDBMS
    • object data availability
      • control data access, ACLs定义在xml or json文件中
    • acess API
      • SDKs from vendors official web
  3. Data storage issues
    • security
      • transfer to and from storage host
        • HTTPS, SSL
        • client-side encryption, token
      • store at remote facility
        • server-side encryption
        • set container policy
    • encryption
    • SLA: tool for reducing downtime
    • delivery
    • scalable
    • replication, everything is same
      • durability
      • different regions
    • latency
      • the amount of time it takes one packet of data to travle from one location to another
      • the faster the more expensive
  4. Data storage vendors
    • google
      • cloud storage, with unlimited capacity and worldwide data centers
      • based on buckets and objects, a bucket contains one or more objects
      • access to buckets by API
      • MySQL, NoSQL(bigtable: wich can handle enormous data from terabytes to petabytes with single digit millisecond lateny)
      • HBase API
    • aws
      • S3: simple storage service
      • standard storage: highest durability
      • reduced redundancy storage: low cost for non-critical data
      • amazon glacier: archive and DR
      • amzaon RDS
      • DynamoDB(NoSQL)