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How Internet Works

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Kae Hsu
Kae Hsu

The document discusses how the Internet works at a high level. It covers Internet topology, elements like IP addresses, autonomous systems, routers and switches. It describes routing protocols used within and between autonomous systems. It also discusses Internet security, MPLS, and how routing is performed between Internet service providers.

Technology
1 of 50
How the Internet works Kae Hsu Communication Network Dept. [email_address]
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About the speaker ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet topology Autonomous System Autonomous System Autonomous System Autonomous System Autonomous System Autonomous System Autonomous System Autonomous System
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
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Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],Autonomous System ISP POP ISP POP ISP POP ISP POP ISP POP ISP POP
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],ISP POP Distribution layer Core layer Access layer
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
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Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object]
Seednet domestic backbone OC3/STM-1 STM-4 GE STM-16/Fiber Router(s) of POP Shiji Taoyuan Hsinchu Yilan Miaoli Taichung Changhwa Yungling Hualian Taitong Pingtong Kaohsiung Tainan NeiHu Nantou Chiayi Icon remark
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Seednet exterior status Icon remark Router(s) of POP US Hinet China T3 100M FE TWIX GSN 155M STM-1 Gigamedia GigabitEthernet Asia/HK/JP STM-4 STM-16 JP(NTT) APTG FLAG Taoyuan MOECC(TANet) NCU(600M) NCTU NCHU(600M) NCKU NSYSU(600M) CCU(600M) Taipei ASCC Hsinchu Taichung Chiayi Tainan Kaohsiung
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],expensive cheap AS100 AS200+AS100 AS100 AS300+AS100 AS400+AS300+AS100 AS100, 192.168/16 AS300 AS200 AS400 AS500
Internet elements ,[object Object],[object Object],expensive cheap AS100+AS100+AS100 AS200+AS100+AS100+AS100 AS100 AS300+AS100 AS400+AS300+AS100 AS100, 192.168/16 AS300 AS200 AS400 AS500
Internet elements ,[object Object],[object Object],expensive cheap 192.168/16 192.168/16 192.168/17, 192.168.128/17 192.168/17, 192.168.128/17 192.168/17, 192.168.128/17 AS100, 192.168/16 AS300 AS200 AS400 AS500
Internet elements ,[object Object],[object Object],STM-16 FE 192.168/16 192.168/17, 192.168.128/17 192.168/16 AS100, 192.168/16 AS200, transit AS600, peering Internet
Internet elements ,[object Object],[object Object],STM-16 FE 192.168/16 192.168/17, 192.168.128/17 192.168/16 192.168/17, 192.168.128/17 congestion!!! error AS100, 192.168/16 AS200, transit AS600, peering Internet
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Internet security ,[object Object],[object Object],[object Object],[object Object]
Internet security ,[object Object],[object Object],[object Object]
MPLS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MPLS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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How Internet Works

  • 1. How the Internet works Kae Hsu Communication Network Dept. [email_address]
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  • 4. Internet topology Autonomous System Autonomous System Autonomous System Autonomous System Autonomous System Autonomous System Autonomous System Autonomous System
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  • 32. Seednet domestic backbone OC3/STM-1 STM-4 GE STM-16/Fiber Router(s) of POP Shiji Taoyuan Hsinchu Yilan Miaoli Taichung Changhwa Yungling Hualian Taitong Pingtong Kaohsiung Tainan NeiHu Nantou Chiayi Icon remark
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  • 35. Seednet exterior status Icon remark Router(s) of POP US Hinet China T3 100M FE TWIX GSN 155M STM-1 Gigamedia GigabitEthernet Asia/HK/JP STM-4 STM-16 JP(NTT) APTG FLAG Taoyuan MOECC(TANet) NCU(600M) NCTU NCHU(600M) NCKU NSYSU(600M) CCU(600M) Taipei ASCC Hsinchu Taichung Chiayi Tainan Kaohsiung
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