rights reserved. X-Ray daemon Receives data from the SDK over UDP and acts as a local buffer; data is flushed to the backend every second or when the local buffer fills Available for Amazon Linux AMI, RHEL, Ubuntu, OS X, and Windows Pre-installed on AWS Lambda Can be run anywhere as long as AWS credentials are provided (for example, Amazon Elastic Compute Cloud [Amazon EC2], Amazon ECS, on- premises, developer machine, and others)