| Why
GTT in STP network node? |
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| Global title
translation (GTT) is usually done in an STP. |
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| Advantage:
Advanced routing functionality (= GTT) |
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| needed only in
a few STPs with large packet handling |
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| capacity, instead of many SSPs (exchanges). |
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| SSP |
| SCP |
| SSP |
| SCP |
| SSP |
| STP |
| SSP |
| SCP |
| SSP |