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TCP/IP Network Requirements
This section provides a general description of ethernet networks, TCP/IP and
X.25 protocols and the requirements needed to support the operation of the
Network Wide Backup and Restore application with INM Broadband.
Ethernet
The ethernet protocol is a standard defined by the Institute of Electrical and
Electronics Engineers (IEEE) for communication networks. The IEEE
standard 802.3 defines the layer 2 functionality in the protocol stack shown
below.
Figure 5-1
OSI 7 Layer Protocol Stack
The characteristics of a 10-Base-T Ethernet network are:
•
Maximum speed of 10 Mbits/sec
•
Maximum number of 100 Ethernet devices per network
•
Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
media access control
Network Wide Backup & Restore Planning Guide
7
Application
6
Presentation
5
Session
4
Transport
3
Network
2
Data Link
1
Physical
5-
NM-00014(R5)
Rel 1.0 Standard July 1999
5-1
5
7
10
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