Chapter 10: The Internet
Terms
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- What do the highest level of ISPs interconnect through?
- Network Access Points (NAPs)
- What does MAE stand for?
- Metropolitan Area Exchange
- What do you call it when ISPs at the same level do not charge each other for exchanging messages?
- Peering
- ISPs provide access to the internet through...
- Point of Presence (POP)
- What are the 2 categories of DSL?
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1. Symmetric DSL (SDSL)
2. Asymmetric DSL (ADSL) - What are the 3 FDM channels of VDSL?
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1. 4 KHz analog voice channel
2. Upstream digital 1.6 Mbps Channel
3. Downstream Digital 52 Mbps Channel - The 4 new access technologies are:
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1. Digital Subscriber Line
2. Cable Modems
3. Fixed Wireless
4. Mobile Wireless - What protocol does mobile wireless use?
- Wireless Application Protocol (WAP)
- What WAP program is run by WAP Clients? What does this program generate?
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WAE user agent
WAE requests - Where does a WAE user agent send the WAE requests?
- WAP Gateway
- Where does the WAP gateway send a request?
- WAP proxy
- What are the 2 potential future access technologies?
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1. Passive Optical Networking (PON)
2. Ethernet to the Home - What 3 areas does the ISOC work in?
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1. Public Policy
2. Education
3. Standards - What are the 4 ISOC-related standards bodies?
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1. Internet Engineering Taskforce (IETF)
2. Internet Engineering Steering Group (IESG)
3. Internet Architecture Board (IAB)
4. Internet Research Taskforce (IRTF)