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Network Performance Test on IPv6

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Network Performance Test on IPv6

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  1. Network Performance Test on IPv6 2003. 8. Technology Laboratory, KT Choi Sung Mi smchoi@kt.co.kr

  2. Contents Introduction IPv6 Performance Test Background Transition mechanism for test Equipment Test Configuration & Result Test summary conclusion

  3. Introduction • IPv6 activities in KT • 1999 KT have got first commercial IPv6 address allocation in Korea • 1999 Korea’s first native IPv6 network on KOREN (Technology laboratory) • 2001 Mobile IPv6 Test (Multimedia laboratory)

  4. Background • We want to minimize the investment for IPv6 • Consider using legacy network and idle equipment for IPv6 • Need the information about IPv6 performance on legacy network • Determine IPv6 deployment strategy based on the performance test result

  5. Applications UDP/TCP IPv6 Physical Layer IPv4/IPv6 Dual Network Applications IPv4 UDP/TCP IPv4 IPv6 IPv6 6/4 Physical Layer Applications UDP/TCP IPv4 6 4 Physical Layer Transition Mechanism for Test • Daul Stack

  6. IPv4 Header SRC DST 6/4 6/4 IPv6 Header SRC: 6to4 IPv6 IPv6 Header SRC: 6to4 IPv6 DST: 6to4 IPv6 DST: 6to4 IPv6 Payload Payload Transition Mechanism for Test • 6to4 Tunnel 6to4 Router IPv6 Host IPv6 Host IPv4 Network IPv6 Network IPv6 Network • 6to4 Address 64 16 32 16 Interface ID 2002 SLA ID V4 address

  7. IPv6 Network L2 V6-h V6-p V6-h V6-p V6-h V6-p L1 L2 V6-h V6-p L3 L2 V6-h V6-p Transition Mechanism for Test • IPv6 over MPLS (Cisco 6PE) MP-IBGP 6PE P1 P2 6PE IPv6 Network MPLS/IPv4 Network V6-h = IPv6 header V6-P = IPv6 payload L1 and L3 = V4 labels L2 = Aggregate IPv6 Label

  8. Equipment • DUT (Device under Test) • Cisco 7513 with Fast Ethernet ports • Cisco 12000 with Gigabit Ethernet and 2.5G POS ports • Software • SW IOS 12.0(19)S2 for Cisco 7513 • SW IOS 12.0(22)S for Cisco 12000 • Tester • IXIA 400 • Router Tester

  9. Test Configuration & Results • Dual Stack (Cisco 7513)

  10. Test Configuration & Results • Dual Stack (Cisco 7513)

  11. Gigabit Ethernet interface 7513 Cisco 12008 4/6 Router Tester Test Configuration & Results • Dual Stack (Cisco 12000)

  12. Test Configuration & Results • Dual Stack • Cisco 12000 (Gigabit Ethernet)

  13. Test Configuration & Results • Dual Stack • Cisco 12000 (POS 2.5G)

  14. Test Configuration & Results • 6to4 Tunnel

  15. Test Configuration & Results • 6to4 Tunnel

  16. Test Configuration & Results • IPv6 over MPLS (Cisco 6PE)

  17. Test Configuration & Results • IPv6 over MPLS (Cisco 6PE)

  18. Test Summary • IPv6 performance is inferior to IPv4 • The Cisco router enables IPv6 routing based on software not hardware • 6to4 tunneling performance is very poor but Cisco 6PE performance is good • The MPLS labeling doesn’t affect the performance of IPv6.

  19. Conclusion • What we have done • Test and verification of IPv6 protocols • Test and verification of IPv4/IPv6 transition mechanisms • The performance evaluation of IPv6 equipment • Design and operation of the Korea’s first native IPv6 network • What we will do • Provide IPv4/IPv6 migration plan and IPv6 deployment strategy • Develop IPv6 applications and services • Provide field trial prior to commercial service