The Internet “Crisis” - The Transition to IPv6
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Transcript of The Internet “Crisis” - The Transition to IPv6
The Internet “Crisis” - The Transition to IPv6
Bryant Newby
English 5164/26/06
9:30 MWF
Road Map
● Networking background● What is TCP/IP?● IPv4 problems● IPv6● Affect on you?● Transitioning technologies● Questions
Layered Networking
What is a Network Protocol?
● A communications mechanism● Many flavors
IPX/SPX OSPF Big two
● UDP Connectionless
● TCP/IP
Internet: TCP/IP
● Connection oriented● End to end mechanism● Networking layer● “Loaded”
Protocol suite Router configuration End user configuration
Internet Protocol Version 4
● “Fast”● Scalable● Problems:
Complexity Addressing Scheme
● (demo addressing)
Problem
● Finite space 32 bits
● Class allocation schemes● Problem scale (crisis?)
Solution - IPv6
● Grand allocation schemes● New technologies
Neighbor identification QoS
● Reduced Complexity Scalability
● Maturity
Version Comparison
● IPv4 IPv6
Addressing Comparison
IPv4 IPv6
Raw # 2 ̂ 128
In use 1.4 billion
Reserved 1.4 billion
Available 1.4 billion
4.3 billion (2̂ 32)
Does it affect you?
● Installation● Transparency● Research● Test beds● Transition
technologies
Transitioning mechanisms
● 6 to 4● 4 to 6● DTTS● Expensive
Review
● Protocols run computer communication● IPv4 has problems● IPv6 will gradually replace● Transitioning mechanisms will make nearly
transparent● Potential problem● YOU might need to address problem.
Any 1337 Queries?