1. IPv6 PACKET
1.1. IPv6 NETWORK HEADER CHARACTERISTICS
1.1.1. IT IS SIMPLIFIED BUT NOT SMALLER
1.1.2. THE HEADER IS FIXED AT 40 BYTES OCTETS LONG
1.1.3. SEVERAL IPv4 FIELDS WERE REMOVE TO IMPROVE PERFORMANCE
1.1.3.1. FLAG
1.1.3.2. FRAGMENT OFFSET
1.1.3.3. HEADER CHECKSUM
1.1.4. IPv6 PACKT MAY ALSO CONTAIN EXTENSION HEADER (EH)
1.1.4.1. EH CHARACTERISTICS
1.1.4.1.1. PROVIDE OPTIONAL NETWORK LAYER INFORMATION
1.1.4.1.2. JUST OPTIONAL
1.1.4.1.3. ARE PLACE BETWEEN IPv6 HEADER AND THE PAYLOAD
1.1.4.1.4. MAY BE USED FOR FRAGMENTATION, SECURITY, MOBILITY SUPPORT, etc.
2. HOW A HOST ROUTES
2.1. HOST FORWARDING DECISION
2.1.1. A HOST CAN SEND PACKET TO
2.1.1.1. ITSELF
2.1.1.2. LOCAL HOSTS
2.1.1.3. REMOTE HOSTS
2.1.2. METHOD OF DETERMINATION
2.1.2.1. IPv4
2.2. FEATURES OF DEFAULT GETAWAY
2.2.1. IT MUST AN IP ADDRESS IN THE SAME RANGE AS THE REST OF THE LAN
2.2.2. IT CAN ACCEPT DATA FROM THE LAN AND IS CAPABLE OF FORWARDING TRAFFIC OF THE LAN
2.2.3. IT CAN ROUTE TO OTHER NETWORKS
3. ROUTER ROUTING TABLES
3.1. TYPE OF ROUTES
3.1.1. DIRECTLLY CONNECTED
3.1.2. REMOTE
3.1.2.1. MANUALLY/STATIC
3.1.2.2. DYNAMICALLY
3.1.3. DEFAULT ROUTE
4. NETWORK LAYER CHARACTERISTICS
4.1. BASIC OPERATION
4.1.1. ADDERESSING END DEVICES
4.1.2. ENCAPSULATION
4.1.3. ROUTING
4.1.4. DE-ENCAPSULATION
4.2. IP CHARACTERISTICS
4.2.1. CONNECTIONLESS
4.2.2. BEST EFFORT
4.2.3. MEDIA INDEPENDENT
5. IPv4 PACKET
5.1. IPv4 NETWORK HEADER CHARACTERISTICS
5.1.1. IT IS IN BINARY
5.1.2. CONTAIN SEVERAL FIELDS OF INFORMATION
5.1.3. DIAGRAM IS READ FROM LEFT TO RIGHT, 4 BYTES PER LINE
5.1.4. THE TWO MOST IMPORTANCE FILEDS ARE THE SOURCE AND DESTINATION
5.2. LIMITATIONS OF IPv4
5.2.1. IPv4 ADDRESS DEPLETION
5.2.2. LACK OF END-TO-END CONNECTIVITY
5.2.3. INCREASE NETWORK COMPLEXITY