Neptune

· Fully managed Graph database

· When do we Use Graphs ?

o High Relationship data

o Social Networking: Users friends with users, replied to comment of likes and other user comments

o Knowledge Graphs (Wikipedia)

· Highly available across 3 AZ`s with 15 Read Replicas

· Point in time recovery, continuous backups to S3

· Supports KMS encryption at rest and HTTPS

· Operations: similar to RDS

· Security: IAM, VPC, KMS, SSL (similar to RDS) + IAM authentication

· Reliability: Multi AZ, clustering

· Performance: best suited to graphs , clustering improves perfromance

· Cost Optimization: pay per node provisioned