Traffic engineering
Example 6: IP bandwidth considerations
The information in Figure 70 and Figure 71 along with the information in Table 33 produces the following tables of bandwidth usages that are associated with the configuration in Example 4: Expanded COI matrices.
Table 39: IP LAN bandwidth usages (Erlangs) for Example 6: IP bandwidth considerations
Endpoints | Site 1 | Site 2 | Site 3 |
| (Atlanta) | (Boston) | (Cleveland) |
|
|
|
|
Intrasite: I, I | 12.7 | 1.9 | 0.78 |
|
|
|
|
Intrasite: I, C or P | 76.8 | 26.7 | 14.4 |
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|
|
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Intrasite: C or P, C or P | 0 | 0 | 0 |
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|
|
|
|
Calls from site 1 to site 2 | 12.0 | 12.0 | 0 |
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|
|
|
Calls from site 2 to site 1 | 12.0 | 12.0 | 0 |
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|
|
|
Calls from site 1 to site 3 | 5.0 | 0 | 5.0 |
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Calls from site 3 to site 1 | 5.0 | 0 | 5.0 |
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|
|
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Calls from site 2 to site 3 | 0 | 2.0 | 2.0 |
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|
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Calls from site 3 to site 2 | 0 | 2.0 | 2.0 |
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Totals | 123.5 | 56.6 | 29.2 |
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Table 40: IP WAN bandwidth usages (Erlangs) for Example 6: IP bandwidth considerations
Endpoints | WAN bandwidth | WAN bandwidth | WAN bandwidth |
| (Erlangs) between | (Erlangs) between | (Erlangs) between |
| Sites 1 and 2 | Sites 1 and 3 | Sites 2 and 3 |
|
|
|
|
Calls from site | 12.0 | 0 | 0 |
1 to site 2 |
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|
|
|
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Calls from site | 12.0 | 0 | 0 |
2 to site 1 |
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|
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Calls from site | 0 | 5.0 | 0 |
1 to site 3 |
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|
|
|
|
|
|
Calls from site | 0 | 5.0 | 0 |
3 to site 1 |
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| 1 of 2 |
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