Coordination for Team Performance: Is that necessary?

While working with an IT organization we found following situation of 'coordination' in a team as shown in the figure. We believe that team performance is tightly coupled with the flow of information among them which should result into strong cohesion among them. Gaps, coordination hubs, integrators and islands can be observed within the team, what else you depict from it?

Secondly, what we suspect about performance from this team having coordination gaps among them?

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Building a Well-Networked Organization

Here is an interesting article published at MIT Sloan Review. The article Well Connected Organization is an interesting one and close to INS Network methodology.