Measurement of BGP Anycast effects experiences in.jp
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1 Measurement of BGP Anycast effects experiences in.jp From the query to Yoshiro YONEYA Masato Minda, Shinta Sato, Izuru Shirai, Takayasu Matsuura Japan Registry Services Co., Ltd. () IEPG IETF
2 About JP DNS JP DNS - authoritative nameservers of.jp - f.dns.jp (except "c") Server Operator Anycast IPv6 BGP Anycast Yes b.dns.jp JPNIC N/A No d.dns.jp IIJ IGP Anycast Yes e.dns.jp WIDE Project Soon Yes f.dns.jp SINET N/A Yes 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 2
3 - Anycast Status : IPv4: IPv6: 2001:dc4::1 Using BIND 9 (All of JP DNS are using BIND 9) Locations of and (since Feb 2004) will up by the end of 2007 (tentatively) Objectives of this experiment Test run and measurement before real operation at 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 3
4 - Network Topology local peers local peers DIX-IE NEW! JPNAP local peers JPIX 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 4
5 - Network Topology (cont.) Path between the and () : Two es, and : One, : Two es, and 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 5
6 Measurement & Tools Query Log By BIND logging feature (since Feb 2004) Maxmind GeoIP HELIO World DSC RIPE DNSMON 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 6
7 - Summary of queries kr gb other fr in cn twde ru Ave qps qps From which country 1. JP 50-60% 2. US 10-20% jp 3. Some Asian and European Countries ~10% 4. Others ~1% us 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 7
8 - Anycast Test Run Step 1. : Add one -path ( prepend) 2. : Turn ON 3. : Add more three -paths ( prepend) 4. : Turn OFF 5. : Turn ON with normal -path length 6. : Turn OFF 7. : Turn ON with normal -path length 8. : Turn OFF 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 8
9 Schedule and Analytical Technique Schedule from to 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 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 9
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% 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 10
11 Step1: : Add one -Path 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 11
12 Step1: results 62% (1300qps) 38% (800qps) 23% (460qps) 77% (1500qps) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 12
13 Step2: : Turn ON 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 13
14 Step2: results (1) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 14
15 Step2: results (2) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 15
16 Step2: results (3) 21% (400qps) 79% (1400qps) 0% (0qps) 18% (340qps) 63% (1200qps) 19% (350qps) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 16
17 Step3: : Add three more -paths 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 17
18 Step3: results 18% (290qps) 64% (1000qps) 18% (290qps) 3% (60qps) 84% (1900qps) 13% (300qps) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 18
19 Step4: : Turn OFF 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 19
20 Step4: results 3% (60qps) 84% (1900qps) 13% (300qps) 0% (0qps) 87% (2000qps) 13% (300qps) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 20
21 Step5: : Turn ON 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 21
22 Step5: no results The logfile was missed Over 2GB logged at We believed that 64bit version of BIND was used. However, it was 32bit version. 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 22
23 Step6: : Turn OFF (again) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 23
24 Step6: results 56% (1200qps) 37% (760qps) 7% (150qps) 0% (0qps) 87% (2100qps) 13% (330qps) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 24
25 Step7: : Turn ON 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 25
26 Step7: results 0% (0qps) 84% (1900qps) 16% (350qps) 65% (1300qps) 26% (540qps) 9% (190qps) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 26
27 Step8: : Turn OFF 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 27
28 Step8: results 67% (1100qps) 23% (400qps) 10% (170qps) 62% (1100qps) 38% (700qps) 0% (0qps) 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 28
29 Conclusion In anycast operation, -Path prepend is useful for load balancing. The setting of present and is just good. European countries are close to. Especially, It is interesting for Japan and Russia to be distant. 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 29
30 Future Work We will analyze Origin Number Raw data of RIPE DNSMON IPv6 etc 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 30
31 Q and A 18 Mar 2007 Copyright 2007 Japan Registry Services Co., Ltd. 31
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