1. 08-24-2000APAN 2000 Conference1 Internet Backbone Routing Masaki Hirabaru ISIT, Japan / Merit Network, US

2. 08-24-2000APAN 2000 Conference2 Contents Global Routing over the Internet Backbone 1) Internet Routing Exchanges (IXes) 2) Internet Routing Registries (IRRs) 3) Internet Routing Analysis (incl. IPv6)

3. 08-24-2000APAN 2000 Conference3 Internet Routing Exchanges NAP & RA (Routing Arbiter)

4. 08-24-2000APAN 2000 Conference4 History NSFNET 1987 - 1995 vBNS (MCI) NAP Ameritech, PacBell Sprint, MFS Datanet RA Merit, ISI/USC

5. 08-24-2000APAN 2000 Conference5 Network Access Point (NAP) NAP ＮＡ Ｐ NAP ISP A ISP Z B C ISP RA

6. 08-24-2000APAN 2000 Conference6 RA (RADB) Routing Arbitor (RA) RA January 1997 RSng MAE(2), AADS PacBell, PAIX IPMA NANOG NSF

7. 08-24-2000APAN 2000 Conference7 Merit Route Server Package ISP Route Server Route Server Internet Routing Registry (IRR) Automatic configuration Layer 2 Inter-connect Scalable, reliable routing system for exchange point Performance improvement by separating routing and packet forwarding Easy router configuration Decrease CPU & memory requirements Redundant servers Gathering routing statistics

8. 08-24-2000APAN 2000 Conference8 © Ameritech Route Server at Chicago NAP

9. 08-24-2000APAN 2000 Conference9 Major Public Internet Exchanges (US) AADS NAP (Chicago) ４９ /116 Incl. STARTAP & NGIX-Mid Sprint NAP (New York) MAE-East (Washington DC) ６４ /141 MAE-West (San Jose) (San Jose) ５３ / １ 23 PacBell NAP ( Ｓａｎ Ｆｒａｎｃｉｓｃｏ、 Los Ａｎｇｅｌｅｓ ) ２５ /58 PAIX (Palo Alto) ３０ / １０７ ３０ / １０７ NGIX-East Merit NGIX-West MAE-Central ( Ｄａｌｌａｓ ) /33

10. 08-24-2000APAN 2000 Conference10 Internet Routing Registries RADB (Routing Arbiter Database)

11. 08-24-2000APAN 2000 Conference11 IRR (Internet Routing Registry) RAWHOIS C&W RIPE NCC RADB Customers Europe Other ＩＳＰ s BellCA ANS Route Server (RSng) ISP Statistics (IPMA, etc) Customers

12. 08-24-2000APAN 2000 Conference12 Distributed IRR u As of November 1, 1999, Merit Network, Inc., began charging RADB users a $200 yearly fee per maintainer object. u 37 IRRs are available as of August 1, 2000, mirroring each others. u See http://www.radb.net/docs/listradb.html.http://www.radb.net/docs/listradb.html

13. 08-24-2000APAN 2000 Conference13 Route Object % whois -h whois.ra.net 198.108.60.0/24 route:198.108.0.0/14 descr:MERIT Network Inc. 4251 Plymouth Rd Ann Arbor MI 48105-2785, USA origin:AS237 mnt-by:MERIT-MAINT-MCI changed:jmd@merit.edu 19950405 source:CW

14. 08-24-2000APAN 2000 Conference14 % whois -h whois.ra.net AS237 aut-num:AS237 as-name:MICHNET-ASN descr:MichNet Primary AS Merit Network Inc. import:from AS3561 action pref=100; accept ANY export:to AS3561 announce AS-MICHNET admin-c:JMD24 tech-c:JMD24 notify:jmd@merit.edu notify:MCI-notify@merit.edu mnt-by:MERIT-MAINT-MCI changed:sobo@merit.edu 19980202 source:CW Routing Policy as-set:AS-MICHNET descr:ASs for which MichNet provides transit service members:AS229, AS237, AS238, AS10792, AS10797, AS17132 remarks: transit ASs of MichNet tech-c:MichNet NOC admin-c:MichNet NOC notify:har@merit.edu notify:routing-notify@merit.edu mnt-by:MERIT-MAINT-MCI changed:har@merit.edu 20000804 source:CW person:MichNet NOC address:Network Operations Center Merit Network Inc. 4251 Plymouth Road Bldg. 1, Suite 2500 Ann Arbor, MI 48105-2785, USA phone:+1 734 763 3448 e-mail:noc@merit.edu mnt-by:MERIT-MAINT-MCI changed:har@merit.edu 20000504 source:CW

15. 08-24-2000APAN 2000 Conference15 interface Ethernet0/0 ip address 192.168.1.1 255.255.255.0 ! @RtConfig export AS237 1.1.1.1 AS3561 2.2.2.2 interface Ethernet0/0 ip address 192.168.1.1 255.255.255.0 ! no access-list 100 access-list 100 permit ip 136.1.2.0 0.0.0.0 255.255.255.0 0.0.0.0 access-list 100 permit ip 136.181.0.0 0.0.0.0 255.255.0.0 0.0.0.0 …. access-list 100 permit ip 216.115.64.0 0.0.0.0 255.255.224.0 0.0.0.0 access-list 100 deny ip 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255 ! no route-map MyMap_237_1 ! route-map MyMap_237_1 permit 1 match ip address 100 ! router bgp 237 neighbor 2.2.2.2 route-map MyMap_237_1 out RtConfig http://www.isi.edu/ra/RAToolSet/ IRR

16. 08-24-2000APAN 2000 Conference16 Internet Routing Analysis Internet Performance Measurement and Analysis Project (IPMA) http://www.merit.edu/~ipma

17. 08-24-2000APAN 2000 Conference17 ＭＡＥ－Ｅａｓｔ Global BGP Routing Table Collected by Geoff Huston with Erik-Jan Bos

18. 08-24-2000APAN 2000 Conference18 AS1 192.168.3.0/24 A BGP (Border Gateway Protocol) A B C 192.168.1.0/24 192.168.3.0/24 192.168.2.0/24 AS1 192.168.1.0/24 A RR 192.168.3.0/24 WA 192.168.2.0/24 AS2 R AS1 AS3 AS2 AS1 AS2 192.168.3.0/24 AAS1 AS2 192.168.1.0/24 A AS2 192.168.1.0/24 A 192.168.3.0/24 W

19. 08-24-2000APAN 2000 Conference19

20. 08-24-2000APAN 2000 Conference20 Examples of Analysis Reserved or unregistered networks Reserved or unallocated AS numbers Host or un-aggregated networks IRR consistency (ex. origin AS) Instability Availability routing-problems@merit.edu 6bone-routing-report@merit.edu To subscribe them, send a request to majordomo@merit.edu.

21. 08-24-2000APAN 2000 Conference21 8-1-2000 Every 15 minutes at MAE-East

22. 08-24-2000APAN 2000 Conference22 8-1-2000 Every 15 minutes at 6bone.merit.edu

23. 08-24-2000APAN 2000 Conference23 Withdraw Convergence

24. 08-24-2000APAN 2000 Conference24 http://www.merit.edu

25. 08-24-2000APAN 2000 Conference25 List of Useful Tools IPv6 Reports and Statistics by CSELT http://carmen.cselt.it/ipv6/stats.html Public Looking Glass (a list available at http://www.merit.edu/~ipma/tools/lookin gglass.html)

26. 08-24-2000APAN 2000 Conference26 List of Related Major Projects IPMA (http://www.merit.edu/~ipma) by UM and Merit & CAIDA (http://www.caida.org) Routing Information Service Project by RIPE NCC (http://www.ripe.net/ripencc/pub- services/np/ris-index.html) International Internet Performance Measurement Project by APAN