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AARNet Update plus the Taiwan Earthquake

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Presentation on theme: "AARNet Update plus the Taiwan Earthquake"— Presentation transcript:

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

2 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 Copyright 2007, AARNet

3 Current AARNet3 Footprint
Copyright 2007, AARNet

4 Optical Network Copyright 2007, AARNet

5 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 Copyright 2007, AARNet

6 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 < Copyright 2007, AARNet

7 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 Copyright 2007, AARNet

8 Why all this traffic in Singapore …
Copyright 2007, AARNet

9 What happened to China Telecom?
Copyright 2007, AARNet

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

11 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! Copyright 2007, AARNet

12 Further Reading A couple of presentations from last week’s NANOG in Toronto Expect more at APRICOT later in the month Copyright 2007, AARNet

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


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