Issues of ISP service with trasition to IPv6

1
Issues of ISP service with trasition to IPv6

• Dec.19th, 2000
• Akihiro Inomata
• Fujitsu Ltd.

2
Problems of IPv4

• Address shortage
• Increase of management cost
• tight address assignment for customer use
• Growth of number and variety of terminals(air
  phone, cars, etc)
• Conflict of private address
• Merger of company, Extranet, etc
• New age services
• IP phone, QoS, etc
• More secured services
• Limitation of NAT

3
Benefit of IPv6(1)

• Enough Addresses
• make it easy to design network for customers
• reduce management cost of address assignment for
  ISP
• hopefully never run out for a long time

4
Benefit of IPv6(2)

• Assignment of global address to Intranet nodes
• eliminate address conflicts
• make hierarchical management easy
• Company, Section, Subsidiary

/60
section
/54
/48
company
department
section
section
department


5
Benefit of IPv6(3)

• New functions of IPv6
• enable peer-to-peer communication
• eliminate need for NAT
• enable enhanced services
• IPSec, QoS,

6
Concern for transition

• Can users keep up with the transition?
• Complexity of functions
• Difference of address format
• Can environment be adapted to the transition?
• Legacy Terminals
• Cost
• Do the problems with IPv4 remain?
• Site Local(Private Address)
• Multi-home

7
Users of IPv6

• Who use?
• Many users are content enough with current system
• Hard to change all things at once
• What services do they want?
• They want to use new service
• but they want to use current service, too

Users whove longed for IPv6
IPv6 Users
Users who dont have other alternatives
8
IPv6 - early stage -
IPv6
IPv6
IPv4

• Servers
• Support both v6 and v4
• Dual Stack

• Terminals
• Support v4 or v6
• New terminals(Cellular phone, Home electronics)
  use IPv6
• Traditional terminals(PC) use IPv4

9
Issues for transition

• Policy issues
• methodology and stracture of network
• Education issues
• developer, SI , support engineers
• Service issues
• Frameworking of managemnet/authentication/accounti
  ng
• Support of IPv6 new functions