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1. 发明授权

US6118759A Network system and frame relay switch 失效
标题翻译：网络系统和帧中继开关
公开(公告)号：US6118759A
公开(公告)日：2000-09-12
申请号：US837558
申请日：1997-04-21
申请人： Akitsugu Ohyoshi , Junichi Katoh
发明人： Akitsugu Ohyoshi , Junichi Katoh
IPC分类号： H04Q3/00 , G01R31/08 , H04L12/28 , H04L12/66
CPC分类号： H04L47/115 , H04L47/11 , H04L47/16
摘要： A network system in which administrators of frame relay networks can recognize the quality of the ATM network suitably and manage the frame relay networks in accordance with the quality condition of the ATM network. When a frame F is transmitted from a frame relay network FR1 at a transmitting side to an IWF, a frame header in which a transmission number is stored is added to the frame F. Then, the frame F is received by a frame relay network FR2 at a transmitted side through the IWF and the ATM network. In the frame relay network FR2, a difference between the transmission number stored in the frame header of the frame F and a reception condition variable kept in the frame relay network FR2 is calculated, and the difference is stored in a quality information collection table as a number of discarded frames in the ATM network.
摘要翻译：一种网络系统，其中帧中继网络的管理员可以适当地识别ATM网络的质量，并根据ATM网络的质量状况来管理帧中继网络。当帧F从发送侧的帧中继网络FR1发送到IWF时，将其中存储有发送号码的帧头添加到帧F。然后，帧F由帧中继网络FR2 在通过IWF和ATM网络的发送侧。在帧中继网络FR2中，计算存储在帧F的帧头中的发送次数与保存在帧中继网络FR2中的接收条件变量之间的差异，并将差分存储在质量信息收集表中作为 ATM网络中丢弃帧的数量。

2. 发明授权

US07065585B2 Method for switching communication modes and exchange therefor 失效
公开(公告)号：US07065585B2
公开(公告)日：2006-06-20
申请号：US09819187
申请日：2001-03-28
申请人： Akitsugu Ohyoshi , Akiko Ishigami
发明人： Akitsugu Ohyoshi , Akiko Ishigami
IPC分类号： G06F15/173
CPC分类号： H04L12/5601 , H04L49/606 , H04L2012/5626
摘要： An exchange capable of easily switching communication modes for gradually shifting all exchanges to ATM exchanges without requiring manual intervention in a network with frame relay exchanges and ATM exchanges mixed therein. This exchange is provided with an ATM side bus and a frame side bus provided in parallel, a frame/cell compatibility function unit inserted in the ATM side bus, and a frame/cell switch unit for alternatively switching between the ATM side bus and the frame side bus. This frame/cell compatibility function unit is comprised of an ATM switch and a frame/cell format converting unit connected with this ATM switch.

3. 发明授权

US06967922B1 Traffic control method, network system and frame relay switch 失效
标题翻译：交通控制方法，网络系统和帧中继交换机
公开(公告)号：US06967922B1
公开(公告)日：2005-11-22
申请号：US09481001
申请日：2000-01-10
申请人： Akitsugu Ohyoshi , Hiroshi Takahashi
发明人： Akitsugu Ohyoshi , Hiroshi Takahashi
IPC分类号： H04Q3/00 , H04L12/813 , H04L12/823 , H04Q11/04 , H04J1/16 , H04J3/14
CPC分类号： H04L12/5602 , H04L2012/5636 , H04L2012/567 , H04Q11/0478
摘要： A traffic control method can prevent that the number of cells transmitted to an ATM network exceeds a maximum transmission rate. When a frame F is transmitted from a frame relay network FR1 to an IWF, a traffic control part included in the frame relay network FR1 measures the transmission data quantity for a measuring time in a DLCI connecting the frame relay network FR1 and the IWF. Successively, the traffic control part detects a traffic restrictive level corresponding to the measured transmission data quantity. Then, the traffic restrictive process corresponding to the restrictive level is performed, and the frame transmission is controlled by the transmitted terminal of the frame F. Thus, it is prevented that the number of cells transmitted to the ATM network exceeds a determined maximum transmission rate.
摘要翻译：流量控制方法可以防止发送到ATM网络的小区的数量超过最大传输速率。当帧F从帧中继网络FR 1发送到IWF时，包括在帧中继网络FR1中的业务控制部分测量连接帧中继网络FR 1和连接帧中继网络FR 1的DLCI中的测量时间的发送数据量 IWF。接下来，交通控制部分检测与所测量的发送数据量对应的交通限制级别。然后，执行与限制级别对应的流量限制处理，并且由帧F的发送终端控制帧发送。因此，防止发送到ATM网络的小区数超过确定的最大传输速率。

4. 发明授权

US6094419A Traffic control method, network system and frame relay switch 失效
标题翻译：交通控制方法，网络系统和帧中继交换机
公开(公告)号：US6094419A
公开(公告)日：2000-07-25
申请号：US863500
申请日：1997-06-02
申请人： Akitsugu Ohyoshi , Hiroshi Takahashi
发明人： Akitsugu Ohyoshi , Hiroshi Takahashi
IPC分类号： H04Q3/00 , H04L12/813 , H04L12/823 , H04Q11/04 , H04L12/26 , H04L12/28
CPC分类号： H04L12/5602 , H04Q11/0478 , H04L2012/5636 , H04L2012/567
摘要： A traffic control method can prevent that the number of cells transmitted to an ATM network exceeds a maximum transmission rate. When a frame F is transmitted from a frame relay network FR1 to an IWF, a traffic control part included in the frame relay network FR1 measures the transmission data quantity for a measuring time in a DLCI connecting the frame relay network FR1 and the IWF. Successively, the traffic control part detects a traffic restrictive level corresponding to the measured transmission data quantity. Then, the traffic restrictive process corresponding to the restrictive level is performed, and the frame transmission is controlled by the transmitted terminal of the frame F. Thus, it is prevented that the number of cells transmitted to the ATM network exceeds a determined maximum transmission rate.
摘要翻译：流量控制方法可以防止发送到ATM网络的小区的数量超过最大传输速率。当帧F从帧中继网络FR1发送到IWF时，包括在帧中继网络FR1中的业务控制部分测量连接帧中继网络FR1和IWF的DLCI中的测量时间的发送数据量。接下来，交通控制部分检测与所测量的发送数据量对应的交通限制级别。然后，执行与限制级别对应的流量限制处理，并且由帧F的发送终端控制帧发送。因此，防止发送到ATM网络的小区数超过确定的最大传输速率。

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