Network Performance Test on IPv6

2003. 8.

Technology Laboratory, KTChoi Sung Mismchoi@kt.co.kr

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ContentsIntroductionIPv6 Performance TestBackgroundTransition mechanism for testEquipmentTest Configuration & ResultTest summaryconclusion

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IntroductionIPv6 activities in KT1999 KT have got first commercial IPv6 address allocation in Korea 1999 Koreas first native IPv6 network on KOREN (Technology laboratory)

2001 Mobile IPv6 Test (Multimedia laboratory)

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Background We want to minimize the investment for IPv6 Consider using legacy network and idle equipment for IPv6Need the information about IPv6 performance on legacy network Determine IPv6 deployment strategy based on the performance test result

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Transition Mechanism for TestDaul Stack

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Transition Mechanism for Test6to4 TunnelIPv6 HostIPv6 NetworkIPv6 NetworkIPv4 Network6to4 RouterIPv6 Host 6to4 Address 2002V4 addressSLA IDInterface ID16321664

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Transition Mechanism for TestIPv6 over MPLS (Cisco 6PE)V6-h = IPv6 headerV6-P = IPv6 payloadL1 and L3 = V4 labelsL2 = Aggregate IPv6 Label

MPLS/IPv4Network6PE6PEIPv6NetworkP1P2MP-IBGP

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EquipmentDUT (Device under Test)Cisco 7513 with Fast Ethernet portsCisco 12000 with Gigabit Ethernet and 2.5G POS portsSoftwareSW IOS 12.0(19)S2 for Cisco 7513SW IOS 12.0(22)S for Cisco 12000TesterIXIA 400Router Tester

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Test Configuration & Results Dual Stack (Cisco 7513)

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IXIA 1600

SmartBits 600

Cisco 7513

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Test Configuration & ResultsDual Stack (Cisco 7513)

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Chart3

27.35

82.9813

94.5923

96.1340

IPv4

IPv4:IPv6 = 1:1

Packet Size (byte)

Throughput (%)

Sheet1

7027.35

25682.9813

51294.5923

151896.1340

Sheet1

IPv4

IPv4:IPv6 = 1:1

Packet Size (byte)

Throughput (%)

Sheet2

Sheet3

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Test Configuration & ResultsDual Stack (Cisco 12000)

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Test Configuration & ResultsDual Stack Cisco 12000 (Gigabit Ethernet)

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Chart3

1004.613.918.423

10012.337.950.563.4

10020.171.295.1100

10047100100100

IPv4

IPv4:IPv6 = 1:1

IPv4:IPv6 = 2:1

IPv4:IPv6 = 3:1

IPv4:IPv6 = 4:1

Packet Size (byte)

Throughput (%)

Sheet1

7027.35

25682.9813

51294.5923

151896.1340

701004.613.918.423

25610012.337.950.563.4

51210020.171.295.1100

151810047100100100

7079.26.5

25696.221.8

51299.743.8

1510100100

Sheet1

IPv4

IPv4:IPv6 = 1:1

Packet Size (byte)

Throughput (%)

Sheet2

IPv4

IPv4:IPv6 = 1:1

Packet Size (byte)

Throughput (%)

Sheet3

IPv4

IPv4:IPv6 = 1:1

IPv4:IPv6 = 2:1

IPv4:IPv6 = 3:1

IPv4:IPv6 = 4:1

Packet Size (byte)

Throughput (%)

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Test Configuration & ResultsDual StackCisco 12000 (POS 2.5G)

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Chart4

79.26.59.512.916.5

96.221.832.742.655.3

99.743.863.685.396.1

100100100100100

IPv4

IPv4:IPv6 = 1:1

IPv4:IPv6 = 2:1

IPv4:IPv6 = 3:1

IPv4:IPv6 = 4:1

Packet Size (byte)

Throughput (%)

Sheet1

7027.35

25682.9813

51294.5923

151896.1340

701004.613.918.423

25610012.337.950.563.4

51210020.171.295.1100

151810047100100100

7079.26.59.512.916.5

25696.221.832.742.655.3

51299.743.863.685.396.1

1510100100100100100

Sheet1

00

00

00

00

IPv4

IPv4:IPv6 = 1:1

Packet Size (byte)

Throughput (%)

Sheet2

00000

00000

00000

00000

IPv4

IPv4:IPv6 = 1:1

IPv4:IPv6 = 2:1

IPv4:IPv6 = 3:1

IPv4:IPv6 = 4:1

Packet Size (byte)

Throughput (%)

Sheet3

00000

00000

00000

00000

IPv4

IPv4:IPv6 = 1:1

IPv4:IPv6 = 2:1

IPv4:IPv6 = 3:1

IPv4:IPv6 = 4:1

Packet Size (byte)

Throughput (%)

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Test Configuration & Results 6to4 Tunnel

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12008

12016

120416

120416

12008

IPv6/IPv4 IBGP

IPv4 IBGP

IPv4 IBGP

7513

7513

IPV4

IPV6

6to4 tunnel

IPV4 Router

IPv4/IPv6 Router

Switch

IXIA

Router Tester

IPv6/IPv4 IBGP

VLAN 1

VLAN 2

VLAN 3

Gigabit Ethernet

POS

POS

IPv4/IPv6 Router

POS

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Test Configuration & Results6to4 Tunnel

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Chart1

220.2

770.5

13131.5

31314

Routing Table = 0

IPv4 Routing Table = 20000

IPv4,IPv6 Routing Table = 20000

Packet Size (byte)

Throughput (%)

Sheet1

7027.35

25682.9813

51294.5923

151896.1340

70220.2

256770.5

51213131.5

151831314

Sheet1

IPv4

IPv4:IPv6 = 1:1

Packet Size (byte)

Throughput (%)

Sheet2

Routing Table = 0

IPv4 Routing Table = 20000

IPv4,IPv6 Routing Table = 20000

Packet Size (byte)

Throughput (%)

Sheet3

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Test Configuration & ResultsIPv6 over MPLS (Cisco 6PE)

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12008

12016

120416

120416

12008

IPv6/IPv4 EBGP

IPv4 IBGP

IPv4IBGP

7513

7513

IPV4

IPV6

IPv6 over MPLS

IPV4 Router

IPv4/IPv6 Router

Switch

IXIA

Router Tester

IPv6/IPv4 IBGP

VLAN 1

VLAN 2

VLAN 3

POS

POS

POS

Gigabit Ethernet

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Test Configuration & ResultsIPv6 over MPLS (Cisco 6PE)

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Chart1

252524

787976

868585

969696

Routing Table = 0

IPv4 Routing Table = 20000

IPv4,IPv6 Routing Table = 20000

Packet Size (byte)

Throughput (%)

Sheet1

7027.35

25682.9813

51294.5923

151896.1340

70220.2

256770.5

51213131.5

151831314

70252524

256787976

512868585

1518969696

Sheet1

00

00

00

00

IPv4

IPv4:IPv6 = 1:1

Packet Size (byte)

Throughput (%)

Sheet2

000

000

000

000

Routing Table = 0

IPv4 Routing Table = 20000

IPv4,IPv6 Routing Table = 20000

Packet Size (byte)

Throughput (%)

Sheet3

000

000

000

000

Routing Table = 0

IPv4 Routing Table = 20000

IPv4,IPv6 Routing Table = 20000

Packet Size (byte)

Throughput (%)

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Test SummaryIPv6 performance is inferior to IPv4The Cisco router enables IPv6 routing based on software not hardware6to4 tunneling performance is very poor but Cisco 6PE performance is goodThe MPLS labeling doesnt affect the performance of IPv6.

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Conclusion What we have doneTest and verification of IPv6 protocolsTest and verification of IPv4/IPv6 transition mechanismsThe performance evaluation of IPv6 equipmentDesign and operation of the Koreas first native IPv6 networkWhat we will doProvide IPv4/IPv6 migration plan and IPv6 deployment strategyDevelop IPv6 applications and services Provide field trial prior to commercial service

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