Asynchronous transfer mode (ATM) cell recombination and sharing buffer memory system and realization method thereof
A technology of ATM cells and shared cache, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as traffic vibration, increased difficulty, hardware resources, and cache space affecting reception, etc., to achieve high processing bandwidth and logic Achieve simple, fair and reasonable cache management
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[0035] The embodiment in IPDSLAM-10G chip is given below.
[0036] The realization method of ATM cell reorganization shared cache of the present invention mainly comprises the following steps:
[0037]1. Initialize the linked list, establish the FREE linked list (pointing to the remaining space in the cache) and the ACTIVE linked list (indicating the space occupied by the cached PVC package). Initialize the attribute value of each PVC to 0 (CRT_CELL_NUM indicates the number of stored cells in the current PVC package, ALL_CELL_NUM indicates the number of stored cells in all packages of the PVC, ERROR_FLAG indicates whether the current PVC package is an error or lost cells (the current PVC package is wrong It means that the received ATM cell has HEC (header error control, header error control) error; the current PVC packet loss cell means that the number of received cells of the PVC exceeds the threshold (the threshold is used to limit the number of each PVC Occupying the maxim...
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