vault backup: 2022-10-20 09:47:03

content/notes/20-network-layer-control-plane.md

@@ -9,6 +9,8 @@ sr-interval: 3
 sr-ease: 250
 ---
 
+[slides](https://blackboard.otago.ac.nz/bbcswebdav/pid-2982068-dt-content-rid-19209669_1/courses/COSC203_S2DNI_2022/COSC203_lecture22%281%29.pdf)
+
 # per-router control vs SDN
 ## per router
 - each router runs a routing algorithm

content/notes/23-wireless-mobile.md

@@ -0,0 +1,31 @@
+---
+title: "23-wireless-mobile"
+aliases: 
+tags: 
+- cosc203
+- lecture
+---
+
+More wireless phones that wired phones.
+More mobile broadband than fixed broadband
+
+two different challenges
+- communication over wireless link
+- mobility: handling the mobile user to changes point of attachment
+
+elements
+- wireless hosts
+- 
+
+
+# WLAN and wireless link
+
+
+
+# CSMA/CA
+
+# Hidden terminal problem
+
+# Cellular networks
+
+# 4G LTE

content/notes/cosc-203.md

@@ -51,6 +51,7 @@ tags:
 - [20-network layer control plane](20-network-layer-control-plane)
 - [21-data link layer and LAN](21-data-link-layer)
 - [22-LAN and physical layer](22-LAN-physical-layer)
+- [23-wireless-mobile](23-wireless-mobile)
 
 # Archive