1. AARNet Update plus the Taiwan Earthquake Winter 2007 Joint Techs Minneapolis

2. Copyright 2007, AARNet2 What’s happened since Jan 06? Seems a slow news year after the previous few but … AARNet3 backbone completed Optical network in place AARNet3 network running on our own optical network TEIN2 links complete Link to Frankfurt (might be up) Extension to AMS-IX and LINX

3. Copyright 2007, AARNet3 Current AARNet3 Footprint

4. Copyright 2007, AARNet4 Optical Network

5. Copyright 2007, AARNet5 Optical Network Focus on permanent circuits –Connection to the AARNet3 backbone –Inter campus links NOC out sourced to Cisco/SOUL Will interconnect to SXTransPORT –Providing light paths from Los Angeles to anywhere on the optical network –Issues to be resolved with configuration management and control

6. Copyright 2007, AARNet6 Peering in AARNet AARNet has > 200 peers 66% of AARNet’s international commodity traffic is received via peering 50% of AARNet’s domestic commodity traffic is received via peering Currently only doing IP peering –Might do VoIP eventually See entry at

7. Copyright 2007, AARNet7 Taiwan Earthquake December 28, 2006 Major impact on connectivity within the region At least 7 cable systems severed –China/US –SEA-ME-WE3 –Flag/RNAL –EAC –C2C –APCN –APCN2

8. Copyright 2007, AARNet8 Why all this traffic in Singapore …

9. Copyright 2007, AARNet9 What happened to China Telecom?

10. Copyright 2007, AARNet10 Tanshui Pali Fangshan Shanghai Shantou Philippines Miyazaki APCN-2 S6 S7 S4 S3 S2 S8 SMW3 Okinawa Macau China-US N3 S1 N2 W3 N1 W1 W2 N4 N5 N9 N6 N7 N8 S2 S3 S4 S5 FNAL/RNAL Flag Philippines B3 B5 B2 B8 B1 B4 B17 B6 B7 B9 APCN Toucheng

11. Copyright 2007, AARNet11 Lessons Learned Many cables hit by single event so vendor diversity didn’t help Sometimes focus on RTT and cost is bad Need geographic diversity Working as a “club” can improve diversity if someone buys the “strange” or expensive path But Internet soon discovered the alternative paths –What you think is a backup path may not be the one used in practice –China to Japan via Chicago!

12. Copyright 2007, AARNet12 Further Reading A couple of presentations from last week’s NANOG in Toronto http://www.nanog.org/mtg-0702/laperriere.html http://www.nanog.org/mtg-0702/underwood.html Expect more at APRICOT later in the month http://www.apricot2007.net/

13. Copyright 2007, AARNet13 Thanks Thanks for some slideware from the APAN meeting in Manila –Francis Lee of SingAREN –Yu-lin Chang of Asnet, Taiwan