Differences

This shows you the differences between two versions of the page.

--- at-m42:lecture1 [2009/04/24 18:18] – eechris
+++ at-m42:lecture1 [2009/04/24 18:36] – eechris
@@ Line 139: / Line 139: @@
   * [[#Peer-to-Peer (P2P) applications]]
-===== Single tier systems =====
+===== Single-tier systems =====
 {{:at-m42:single-tier.png?196 |A single-tier system}}
   * Examples:
@@ Line 145: / Line 145: @@
     * any dumb-terminal access to a corporate database
-===== Two tier systems =====
+===== Two-tier systems =====
-===== Three tier systems =====
+{{:at-m42:two-tier.png?591|A two-tier architecture}}
-===== Multi-tier systems =====
-===== Peer-to-Peer (P2P) applications =====
+  * Examples:
+    * web-server and web browser
+    * bank ATM system (from customer viewpoint)
+===== Three-tier systems =====
+{{:at-m42:three-tier.png?697|A three-tier architecture}}
+  * Examples:
+    * Enterprise database access
-===== Single Tier System =====
-===== Two-Tier System =====
-===== Three-Tier System =====
 ===== Three-Tier System: With Web Tier =====
-===== Examples: =====
+{{:at-m42:three-tier_with_web.png?804 |Web tier}}
-===== CGI application =====
+  * Examples:
-===== Lightweight framework =====
+    * CGI application
+    * Lightweight framework
 ===== Multi-Tier System =====
-===== Multi-Tier J2EE =====
+{{:at-m42:multi-tier.png?697|Multi-tier architecture}}
+===== Multi-Tier Java EE =====
+{{:at-m42:multi-tier-j2ee.png?747|Multi-tier Java EE}}
 ===== Peer-to-Peer System =====
+{{:at-m42:p2p.png?591 |P2P system}}
+  * No central server. Each partner can be server or client.
+    * Bitorrent MP3 exchange.
+    * Windows work groups
+    * Bluetooth network peers
+    * JINI services
 ===== Lecture Content =====
   * [[#Introducing the Java Platform]]