Add the rest of university notes

docs/lectures/acn/08_content_centric_networks.md

@@ -7,7 +7,7 @@ A Brief History of Networking
   - Wires are the dominant cost.
   - A *call* is not the conversation, its the **PATH** between two end-office line cards.
   - A *phone number* is not the name/address of the caller, its a **program** for the end-office switch fabric to build a path to the destination line card.
-  - <img src="/lectures/acn/img/k.png" alt="switch board" style="zoom:50%;" />
+  - <img src="img/k.png" alt="switch board" style="zoom:50%;" />
   - Path building is **non-local** and **encourages centralisation** and **monopoly**.
   - Calls fail is any element in the path fails so reliability goes down exponentially as the system scales up.
   - Data cannot flow until the path is set up so efficiency decreases with setup time.
@@ -49,7 +49,7 @@ CCN can run over and be run over anything e.g. IP.
 
 #### CCN Packets
 
-![img](/lectures/acn/img/l.png)
+![img](img/l.png)
 
 **Interest** - similar to HTTP `GET`
 
@@ -59,7 +59,7 @@ CCN can run over and be run over anything e.g. IP.
 
 Data packets are authenticated with digital signatures.
 
-![img](/lectures/acn/img/m.png)
+![img](img/m.png)
 
 #### CCN Forwarding
 
@@ -91,6 +91,6 @@ In the current Internet, Quality of Service (QoS) Problems are highly localised
 
 Unlike IP, CCN is **local**, don't have queues and receivers have complete control
 
-![img](/lectures/acn/img/n.png)
+![img](img/n.png)
 
 Tree serves as transport state