1. Machine to Machine Interface Update 1 Machine to Machine Interface Update February 7th, 2007

2. Machine to Machine Interface Update 2 Approach to interface analysis Identify Integrations –Functional teams create CSDs. –System of Systems Architecture (SoSA) describes the enterprise level integration points needed for the overall Nodal solution. –Integration Design Authority (Technical & Business Architects), project teams and integration vendors work together to produce artifacts as described previously Repeatable Interface Specifications & Design –Integration artifacts are produced that contain: Data Element Name, Element Attributes, Volumetrics, Data Frequency etc. Business Triggering Events that drive the movement of information –The integration teams use these artifacts to analyze the interface and develop Use Cases Identify gaps, integration characteristics, mismatches and transformations of data that is necessary between systems –Integration specifications and Use Cases are the input to design and implementation of the integration between systems. –Feed the design back into SoSA.

3. Machine to Machine Interface Update 3 The integration factory constructs interfaces Interface Build Plan Interface Specification Interface Design Interface Build FAT & ITEST Interface team assigned Interface specs agreed Interface design agreed Interface conforms with spec Inputs Activities EDS Schedule EDS Definitions Project Schedules Interface Priorities Seek project commitments Ramp up design and build teams Produce iteration plan for the interface Outline the information flows in the interface Information flows in the interface are enumerated Interface team resolves discrepancies in interface definition between source, target & system Define behavior and information contained in the interface SoSA – use cases & domain Project CSDs Interface docs from source and target systems Integration design patterns Existing designs Source & target designs (CSD & Detailed Design) Numerous build inputs incl. Test Cases, Environment config, makefiles, … Integration pattern selected Impacts on source and target assessed and incorporated Collaborate with Source & target systems teams Spec stubs and data Interface tests defined Updated design documentation Updated test and dev environments Updated source and libraries Stubs built

4. Machine to Machine Interface Update 4 Integration Timeline What to expect –Several integration specification & integration design documents are currently in preparation. External interfaces will come to TPTF for approval. –Many are being produced significantly ahead of Projects’ build schedules –Rework may be necessary to Projects, SoSA and integration artifacts as the interface specification work progresses Timeline Dependencies –Work in progress - the detailed build schedules have not been finalized between projects and EDS’s –Shows earliest start, latest finish & delivery dates for interface specification and design artifacts –Based on approximately 150 external interfaces and 250 internal –Does not account for substantial refactoring

5. Machine to Machine Interface Update 5 Integration Timeline - Part 1

6. Machine to Machine Interface Update 6 Integration Timeline - Part 2