From: Sangwan Kwon <sangwan.kwon@samsung.com>
Date: Fri, 28 Feb 2020 07:43:48 +0000 (+0900)
Subject: Add description to architecture section
X-Git-Tag: submit/tizen/20200810.073515~56
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=423549f2af1b3b684efce7e17800156a7e2475da;p=platform%2Fcore%2Fsecurity%2Fvist.git

Add description to architecture section

Signed-off-by: Sangwan Kwon <sangwan.kwon@samsung.com>
---

diff --git a/README.md b/README.md
index c2030f2..672c23a 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,11 @@ ViST takes below features.
 - Runtime policy plugin
 
 # Architecture
+ViST adopts 3-tier layerd architecture to separate of concern.
+- Interface layer: Provide API to client to generate query
+- Service layer: Parse the query and bind query to virtual table
+- Logic layer: Include callback routine about virtual table executed via query 
+
 <img src="https://github.sec.samsung.net/storage/user/692/files/6829c580-5a46-11ea-86d5-4091ecdfc1ea" alt="layered architecture" width="780" height="610">
 
 # Design