Services Composition North Team Pete Perlegos Matthew Caesar Sridhar Machiraju Yitao Duan.

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Presentation transcript:

Services Composition North Team Pete Perlegos Matthew Caesar Sridhar Machiraju Yitao Duan

2 Authentication Preferences Distributed Processing Control Overlay Services Application Services Access Hardware Routing Application Brokering Placement Redirection Connectivity Processing Storage Selection Sessions Resource Aggregation Measurement/monitoring End-to-end connectivity API Randy’s Service Architecture

3 Services Composition Operators represent abstract operations performed by services, rather than actual entities. Underlying layers perform functions to support these services and how the application layer may want to combine them

4 ApplicationMap Info Center Translation Distributed Processing, underlying network What are the nearby movie theaters? Services Composition – ASL GPS ZIP Tour Guide ZIP Theaters ZIPTheaters GPSZIP

5 Distributed Processing Layer DPC-App. API needs to optimize service of specified endhosts The API also needs to optimize on component services (and the overlays) that they run on Optimization involves which service runs on which overlay the order of component services cost constraints Which services can/cannot be used

6 The role of DPC in the Composition? App1 Application/Composer App2 App3 Composer DPC1 DPC2DPC3 Aid to Composer apply local optimizations provides choices for components queries DPC for perf. DPC1DPC2DPC3 choose components

7 Overlay Plane Aggregator/Broadcaster Packet forwarding/multicast, Measurement aggregation, Disbursement of Content/commands/payment to member nodes Filter Shaping of traffic to fit constraints, Pushback to improve utilization, filter unauthorized traffic Source Ingress Nodes: Signaling for call setup,Encapsulation/Framing of packets, Packet marking (for QoS) Sink Egress Nodes: Decapsulation, Passive measurement of e2e service for SLA Selector Path selection and Element Selection: with performance, load, trust, price constraints Coordinator Interface to broker Acts as peering point for SLA Management, Provisioning, Charging Performs Service/path setup for application

8 IP Plane – Intelligent Peering Point Provides network on which overlay is built Inter Connection: points of presence between different kinds of networks. Peering: points of presence between same kind of networks with different providers. QOS & Smart Market. Usage Aggregation & Billing. QoSSmart Market Office Space Usage Aggregation Monitoring Active Probing Huge Connectivity Inter Connection Peering User Profile Traffic Counting and Pricing Load Balancing Provider Selection Dynamic Adaption Gateway/ Connectivity “Meet me” Room Cabinets for Devices Highly Available Intelligent Peering Point