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Measurement of BGP Anycast effects – experiences in.JP From the query to a.dns.jp Masato MINDA Shinta Sato, Izuru Shirai, Takayasu Matsuura Japan Registry.

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Presentation on theme: "Measurement of BGP Anycast effects – experiences in.JP From the query to a.dns.jp Masato MINDA Shinta Sato, Izuru Shirai, Takayasu Matsuura Japan Registry."— Presentation transcript:

1 Measurement of BGP Anycast effects – experiences in.JP From the query to a.dns.jp Masato MINDA Shinta Sato, Izuru Shirai, Takayasu Matsuura Japan Registry Services Co., Ltd. (JPRS) DNS operation SIG@APNIC 23

2 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.2 About JP DNS JP DNS - authoritative nameservers of.JP a.dns.jp - f.dns.jp (except "c") ServerOperatorAnycastIPv6 a.dns.jpJPRSBGP AnycastYes b.dns.jpJPNIC N/A No d.dns.jpIIJIGP AnycastYes e.dns.jpWIDE ProjectSoonYes f.dns.jpSINET N/A Yes

3 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.3 a.dns.jp - Anycast Status a.dns.jp –AS: 23774IPv4: 203.119.1.1IPv6: 2001:dc4::1 –Using BIND 9 (All of JP DNS are using BIND 9) Locations of a.dns.jp –Tokyo and Osaka (since Feb 2004) –New York will up by the end of 2007 (tentatively) Objectives of this experiment –Test run and measurement before real operation at New York

4 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.4 a.dns.jp - Network Topology JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP JPNAP ISP New York Tokyo Osaka Internet DIX-IE local peers JPIX local peers NEW!

5 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.5 a.dns.jp - Network Topology (cont.) Path between the Internet and a.dns.jp (AS23774) –Tokyo:Two ASes, AS18149 and ISP –Osaka:One AS, ISP –New York:Two ASes, AS24252 and ISP

6 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.6 a.dns.jp – Measurement & Tools Query Log By BIND logging feature (since Feb 2004) Maxmind GeoIP http://www.maxmind.com/app/ip-location HELIO World http://www.helio.org/world/ DSC http://dns.measurement-factory.com/tools/dsc/ RIPE DNSMON http://dnsmon.ripe.net/

7 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.7 a.dns.jp - Summary of queries Ave. 2000 qps –1500 - 2500 qps From which country 1.JP 50 - 60% 2.US 10 - 20% 3.CN TW KR GB 4.Some European Countries 5.Others.

8 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.8 a.dns.jp - Anycast Test Run Step 1.Osaka: Add one AS-path (AS prepend) 2.New York: Turn ON 3.Osaka: Add more three AS-paths (AS prepend) 4.Osaka: Turn OFF 5.Osaka: Turn ON with normal AS-path length 6.Osaka: Turn OFF 7.Osaka: Turn ON with normal AS-path length 8.New York: Turn OFF

9 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.9 Schedule and Analytical Technique Schedulefrom2007-02-02 to2007-02-20 Analytical Technique –Extract IPv4 addresses (query source) from the querylog before and after one hour of each step. Note: IPv6 was not examined. –Analyze query source country by using GeoIP –Draw the World Map by using “HELIO World”

10 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.10 How to see the map Dark parts indicate more query rates (%) The total queries for the each countries are treated as 100% –The entire queries of the each maps do not sum up as 100%

11 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.11 Step1: Osaka: Add one AS-Path New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet AS

12 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.12 Step1: results Osaka Tokyo 62% (1300qps)37% (800qps) 23% (460qps)77% (1500qps)

13 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.13 Step2: New York: Turn ON New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet AS

14 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.14 Step2: results (1)

15 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.15 Step2: results (2) Tokyo New York

16 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.16 Step2: results (3) OsakaTokyo New York 21% (400qps)79% (1400qps)0% (0qps) 18% (340qps)63% (1200qps)19% (350qps)

17 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.17 Step3: Osaka: Add three more AS-paths New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet AS

18 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.18 Step3: results OsakaTokyo New York 18% (290qps)64% (1000qps)18% (290qps) 3% (60qps)84% (1900qps)13% (300qps)

19 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.19 Step4: Osaka: Turn OFF New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet AS

20 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.20 Step4: results OsakaTokyo New York 3% (60qps)85% (1900qps)13% (300qps) 0% (0qps)87% (2000qps)13% (300qps)

21 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.21 Step5: Osaka: Turn ON New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet

22 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.22 Step5: no results The logfile was missed Over 2GB logged at New York –We believed that 64bit version of BIND was used. However, it was 32bit version.

23 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.23 Step6: Osaka: Turn OFF (again) New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet

24 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.24 Step6: results OsakaTokyo New York 56% (1200qps)37% (760qps)7% (150qps) 0% (0qps)87% (2100qps)13% (330qps)

25 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.25 Step7: Osaka: Turn ON New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet

26 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.26 Step7: results OsakaTokyo New York 0% (0qps)84% (1900qps)16% (350qps) 65% (1300qps)26% (540qps)9% (190qps)

27 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.27 Step8: New York: Turn OFF New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet New YorkOsakaTokyo JPRS 18149 a.dns.jp 23774 AS 24252 ISP a.dns.jp 23774 ISP a.dns.jp 23774 ISP Internet

28 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.28 Step8: results OsakaTokyo New York 67% (1100qps)23% (400qps)10% (170qps) 62% (1100qps)38% (700qps)0% (0qps)

29 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.29 Conclusion In anycast operation, AS-Path prepend is useful for load balancing. –The setting of present Tokyo and Osaka is just good. European countries are close to New York. –Especially, It is interesting for Japan and Russia to be distant.

30 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.30 Future Work We will analyze… –Origin AS Number –Raw data of RIPE DNSMON –IPv6 –etc…

31 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.31 Q and A

32 2007-03-01Copyright©2007 Japan Registry Services Co., Ltd.32 Acknowledgements This presentation is included the research activities founded by National Institute of Information and Communications Technology (NICT).

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