Communication system label exchange router and route switching method
A route switching-over method includes setting up Liberal LSP between up-stream LSR and down-stream LSR, confirming that said liberal LSP is set up already, sending a switching-over notice to up-stream LSR and switching rote over by up-stream LSR according to switching-over notice.
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A route switching-over method includes setting up Liberal LSP between up-stream LSR and down-stream LSR, confirming that said liberal LSP is set up already, sending a switching-over notice to up-stream LSR and switching rote over by up-stream LSR according to switching-over notice. |
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