1. Infosphere Image Application Redux Still: receiver subscribes to stream from video source Still: receiver subscribes to stream from video source And: Receiver must not be swamped or starved by video server And: Receiver must not be swamped or starved by video server Things to note: Things to note: Code for QoS gets distributed Code for QoS gets distributed QoS code interleaved QoS code interleaved

2. Infosphere Base Code Just TCP communication Just TCP communication Binding, connecting, marshalling, etc. Binding, connecting, marshalling, etc. No application code No application code No QoS No QoS

3. Infosphere Sender Control Sender-side Feedback channel Sender-side Feedback channel MUXs control messages MUXs control messages Binds, connects Binds, connects TCP transport TCP transport

4. Infosphere Sender SLA Implements SLA pieces for sender Implements SLA pieces for sender Param’ed by the SLA Param’ed by the SLA Can send messages over the control channel Can send messages over the control channel Responds to receiver feedback Responds to receiver feedback

5. Infosphere Sender Application Pulls image from source Pulls image from source Uses Infopipe to send image Uses Infopipe to send image

6. Infosphere Receiver Control Receiver-side feedback channel Receiver-side feedback channel DeMUXs control messages DeMUXs control messages Binds, connects Binds, connects TCP transport TCP transport Mirrors sender’s control code Mirrors sender’s control code

7. Infosphere Timing Code Inserts variables for time Inserts variables for time Inserts system timing calls Inserts system timing calls

8. Infosphere CPU Monitor Calls system for resource usage Calls system for resource usage Uses timing from timing aspect Uses timing from timing aspect Calculates CPU use % Calculates CPU use %

9. Infosphere Receiver SLA Implements Receiver end of SLA Implements Receiver end of SLA Returns feedback via control channel Returns feedback via control channel Acts based on CPU % usage data Acts based on CPU % usage data

10. Infosphere Receiver Application Processes images received off network by Infopipe Processes images received off network by Infopipe