发明名称 |
Packet flow monitor and control system |
摘要 |
In a first UPC, a PCR is set as a monitor rate for each connection. If a transfer rate of a cell exceeds the PCR set for the connection, the cell is discarded. In a second UPC, an ACR is set as a monitor rate for each connection. If the transfer rate of the cell exceeds the ACR set for the connection, a lower priority is assigned to that cell. Additionally, with a configuration where one UPC monitors a varying rate, a parameter change process is controlled by obtaining a time between a passage time of a detected B-RM cell and an arrival of a user cell and comparing the obtained time with maximum and minimum delay standard values. A parameter table including some parameters is provided. A header of an arrived cell in a forward direction is extracted, and it is determined whether or not the arrived cell is a violation cell using the leaky bucket algorithm, etc. If the arrived cell is a violation cell, it is discarded. An RM cell in a backward direction is received and extracted, and the parameter table is updated by calculating the minimum cell interval, etc. based on data included in a payload of the RM cell. <IMAGE>
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申请公布号 |
EP1553800(A2) |
申请公布日期 |
2005.07.13 |
申请号 |
EP20050006366 |
申请日期 |
1996.07.09 |
申请人 |
FUJITSU LIMITED |
发明人 |
NAKAMICHI, KOJI;KAWASAKI, TAKESHI;ISHIHARA, TOMOHIRO;SOUMIYA, TOSHIO;OKUDA, MASATO;KUSAYANAGI, MICHIO;WATANABE, NAOTOSHI;KATOH, MASAFUMI;SUDO, TOSHIYUKI |
分类号 |
H04L12/26;H04L12/54;H04L12/70;H04Q11/04;(IPC1-7):H04Q11/04;H04L12/56 |
主分类号 |
H04L12/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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