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Home - Industry
Mapping - Basic Layer Model
MAPPING THE
TELECOMS INDUSTRY 1
BASIC LAYER MODEL
| LAYER |
ACTIVITY |
EXAMPLE COMPANIES |
| VI |
Consuming/Customers |
- |
| V |
Applications Layer,
including contents packaging
(e.g. web design, on-line information
services, broadcasting services, etc)
|
Bloomberg, Reuters, AOL/ Time Warner, MSN,
News Corp, etc
|
| IV |
Navigation & Middleware Layer
(e.g. browsers,
portals, search engines, directory assistance, security, electronic payment,
etc) |
Yahoo, Netscape, etc
|
| III |
End-To-End
Connectivity Layer
(e.g.
internet access, web hosting) |
IAPs and ISPs e.g. Freeserve,
etc
|
| TCP/IP
INTERFACE |
| II |
Network Layer
(e.g. optical
fibre network, DSL local network, radio access network, Ethernet, frame relay,
ISDN, ATM, etc)
|
AT&T, BT, NTT, MCI WorldCom, Qwest, COLT,
Energis, etc
|
| I |
Equipment &
Software Layer
(e.g.
switches, transmission equipment, routers,
servers,
CPE,
billing software, etc) |
Nortel, Lucent, Cisco, Nokia, etc
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