| 摘要 |
Message cells that are allocated to virtual connections having different priorities are transmitted jointly over at least one transmission line of an ATM system working according to an asynchronous transfer mode. While being transmitted via the respective transmission lines, these message cells pass through a buffer memory individually allocated thereto. Given a buffer memory exhibiting a specific filling degree, one or more message cells from message cells of a selected virtual connection of low priority, which are, stored at the moment in the buffer memory, are discarded with the arrival of a message cell on the respective transmission line belonging to a virtual connection of relatively high priority, and dependent on the number of message cells stored for this virtual connection having low priority.
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