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    • 8. 发明授权
    • Method and apparatus for providing communications bandwidth to users having a committed data rate based on priority assignment
    • 用于向具有基于优先级分配的承诺数据速率的用户提供通信带宽的方法和装置
    • US07430209B2
    • 2008-09-30
    • US10481847
    • 2002-06-26
    • John David Porter
    • John David Porter
    • H04L12/28
    • H04L47/824H04L12/5602H04L47/15H04L47/20H04L47/2458H04L47/70H04L47/765H04L47/821
    • A communications system operator provides to each user of a multi-user communications system a committed information rate (CIR). When a user requests bandwidth for transmission, a system controller queues the user in a high-priority subclass A. The system controller allocates bandwidth to the user at the head of the queue as requested but if the user's bandwidth, measured as an average over a sampling time, exceeds its CIR, it is moved into a low-priority subclass B. The user can then only obtain further bandwidth after other users in the high-priority subclass have been allocated bandwidth up to their CIRs. If a user in the low-priority subclass only receives allocation of a small amount of bandwidth, so that its average inforamtion rate falls below its CIR, it is moved back in to the queue in the high-priority subclass.
    • 通信系统运营商向多用户通信系统的每个用户提供承诺信息速率(CIR)。 当用户请求带宽进行传输时,系统控制器将用户排队在高优先级的子类A中。系统控制器根据请求在队列的头部向用户分配带宽,但是如果用户的带宽以 采样时间超过其CIR,将其移动到低优先级子类B.然后,在高优先级子类中的其他用户已经将带宽分配到其CIR之后,用户可以仅获得进一步的带宽。 如果低优先级子类中的用户仅接收到少量带宽的分配,使其平均信息速率低于其CIR,则将其移回高优先级子类的队列。
    • 10. 发明授权
    • Communications network
    • 通讯网络
    • US07317719B2
    • 2008-01-08
    • US10484650
    • 2002-08-09
    • John David Porter
    • John David Porter
    • H04L12/50
    • H04W92/12H04L12/437H04L29/06H04L41/0803H04L49/255H04L69/28H04L2012/5607H04L2012/5612H04L2012/563H04Q11/0478H04W84/10
    • A packet switched communications network comprises a controller (11) and a plurality of controlled units (12, 13, 14) arranged in a ring. Each of the controlled units comprises a switch (31) at its input, each switch including control means (44) that are responsive to control instructions transmitted by the controller (11). Depending on the instructions the switch (33) will either be configured to pass control instructions and data into or out of the controlled unit (12, 13, 14), or to forward the control instructions and data to a further controlled unit (12, 13, 14) that is connected to the controller (11) or back to the controller (11). In order for units in the ring, that are not registered with the controller (11), to acquire an address, the controller (11) transmits periodically broadcast packets, which contain a unique registration address to be used by an unregistered unit. Once registered, the unit can receive control instructions from the controller (11) as well as data.
    • 分组交换通信网络包括设置在环中的控制器(11)和多个受控单元(12,13,14)。 每个受控单元在其输入处包括开关(31),每个开关包括响应于由控制器(11)发送的控制指令的控制装置(44)。 根据指令,开关(33)将被配置为将控制指令和数据传入或传出受控单元(12,13,14),或将控制指令和数据转发到另一个受控单元(12, 13),其连接到控制器(11)或返回到控制器(11)。 为了使没有向控制器(11)注册的环中的单元获取地址,控制器(11)周期性地发送广播分组,其包含要由未注册单元使用的唯一注册地址。 一旦注册,该单元可以从控制器(11)以及数据接收控制指令。