Each connection should follow the common access rules (data protection) be traceable be coordinated be secure (data transportation) be reliable (operation) be effective be normalised Real complexity n(n-1)/2 Synchronisation of sources (SOS): N to N data exchange problem 2009-08-25 Practical processs patterns Source 1 Source 2 Source 3 Source 4 Source 5

Each connection should

follow the common access rules (data protection)

be traceable

be coordinated

be secure (data transportation)

be reliable (operation)

be effective

be normalised

Real complexity n(n-1)/2

Coordination service provides central coordination single source for common rules (data protection) audit trails operational visibility Real complexity 2(n+1) Synchronisation of sources (SOS): N to N data exchange solution 2009-08-25 Practical processs patterns Source 5 Source 2 Source 1 Coordination service …

Coordination service provides

central coordination

single source for common rules (data protection)

audit trails

operational visibility

Real complexity 2(n+1)

SOS: Coordination process (between three sources – OCP, AFC, and DIP) 2009-08-25 Practical processs patterns Click for animation

SOS: Treat request for change process (within each source) 2009-08-25 Practical processs patterns Click for animation

Animation of a single change 2009-08-25 Practical processs patterns DIP Coordination service … AFC OCP Click for animation

Animation of two interdependent changes 2009-08-25 Practical processs patterns OCP Coordination service … AFC DIP Mother Kid AFC_1 DIP_1 checking Click for animation

Initiation of change: implicit vs. explicit 2009-08-25 Practical processs patterns OCP Coordination service … AFC DIP Explicit initiation Implicit initiation OCP Coordination service … AFC DIP Click for animation