Tao Li b1a0c38a49 Update citadel description (#2968) ... Fixes: https://github.com/istio/istio.io/edit/master/content/docs/concepts/what-is-istio/index.md		2018-12-10 14:03:27 -08:00
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arch.svg	Updating 3 diagrams (#1751)	2018-07-16 21:45:16 -07:00
index.md	Update citadel description (#2968)	2018-12-10 14:03:27 -08:00