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    • 1. 发明授权
    • Method of deactivating working fiber resources in optical ring networks
    • 光环网中工作光纤资源停用方法
    • US06529298B1
    • 2003-03-04
    • US09471138
    • 1999-12-23
    • Peter W. PhelpsEvert E. DeboerRobert CaporuscioJohnny LeungPaul CharronLouis R. PareJoseph Olajubu
    • Peter W. PhelpsEvert E. DeboerRobert CaporuscioJohnny LeungPaul CharronLouis R. PareJoseph Olajubu
    • H04B1008
    • H04J14/0291H04J14/0283H04J14/0286
    • The present invention provides a method of deactivating working fibers in an existing optical ring network or system for a cost-effective and efficient allocation of the fiber resources available in the ring network. When a working fiber is underutilized in an existing ring network, the traffic scheduled for transmission thereon is re-routed around the network away from the fiber and lockouts are applied to prevent the fiber to be removed from being protected. The fiber and associated connecting equipment thus become unused and unnecessary for traffic carrying purposes and can then be deactivated. By eliminating the need for working fibers and associated optics equipment on spans where traffic is low or non-existent, the invention can provide fiber capacity savings of up to fifty percent on each span while retaining full protection usage. According to the invention, the unused fibers and equipment can be removed or alternatively be re-provisioned for use in other network configurations to provide a cost-effective and efficient allocation of the resources available in the network.
    • 本发明提供了一种在现有的光环网络或系统中去激活工作光纤的方法,用于在环网中可用的光纤资源的成本有效和高效的分配。 当工作光纤在现有的环形网络中未被充分利用时,预定在其上传输的业务被转发绕网络远离光纤并且锁定被应用以防止光纤被保护。 因此,光纤和相关联的连接设备变得不再使用,并且对于交通运输目的而言是不必要的,因此可以被停用。 通过消除对交通量低或不存在的跨度的工作纤维和相关的光学设备的需要,本发明可以在保持完全保护使用的同时在每个跨度上提供高达百分之五十的光纤容量节省。 根据本发明,可以去除未使用的光纤和设备,或者替代地重新提供用于其他网络配置以提供对网络中可用的资源的成本有效和有效的分配。
    • 2. 发明授权
    • Method and apparatus for ensuring survivability of inter-ring traffic
    • 确保环网间业务的生存能力的方法和装置
    • US07042835B1
    • 2006-05-09
    • US10706920
    • 2003-11-14
    • Evert de BoerDavid SteelePeter PhelpsLouis-Rene PareRobert Caporuscio
    • Evert de BoerDavid SteelePeter PhelpsLouis-Rene PareRobert Caporuscio
    • H04J1/16
    • H04W24/04H04J3/085H04J2203/0042H04J2203/006H04L12/437H04W88/16
    • A method and corresponding network element configuration for delivering communications services between first and second survivable rings, each comprising a respective plurality of network elements, at least two of which are common to both rings. For each particular service, one of the common network elements is designated as a primary gateway node and another as a secondary gateway node. A primary inter-ring connection is established for the particular service by a switch at the primary gateway node, but no inter-ring connection is established at the secondary gateway node. The secondary gateway node comprises a controller for monitoring the status of the primary gateway node and establishing a new inter-ring connection for delivery of the service upon detecting a failure of the primary gateway node. This provides survivable inter-ring traffic which is bandwidth-efficient and with a low switching delay.
    • 一种用于在第一和第二可生存环之间递送通信服务的方法和相应的网络元件配置,每个包括相应的多个网络元件,其中至少两个网络元件是两个环共同的。 对于每个特定服务,公共网络元素之一被指定为主网关节点,另一个被指定为次网关节点。 由主网关节点上的交换机为特定业务建立主环形连接,但在次网关节点处不建立环网间连接。 辅助网关节点包括用于监视主网关节点的状态并且在检测到主网关节点的故障时建立用于传送服务的新的环际间连接的控制器。 这提供了可行的环际间流量,其具有带宽效率并且具有低切换延迟。
    • 3. 发明授权
    • Method and apparatus for ensuring survivability of inter-ring traffic
    • 确保环网间业务的生存能力的方法和装置
    • US06658013B1
    • 2003-12-02
    • US09273772
    • 1999-03-23
    • Evert de BoerDavid SteelePeter PhelpsLouis-Rene PareRobert Caporuscio
    • Evert de BoerDavid SteelePeter PhelpsLouis-Rene PareRobert Caporuscio
    • H04J116
    • H04W24/04H04J3/085H04J2203/0042H04J2203/006H04L12/437H04W88/16
    • A method and corresponding network element configuration for delivering communications services between first and second survivable rings, each comprising a respective plurality of network elements, at least two of which are common to both rings. For each particular service, one of the common network elements is designated as a primary gateway node and another as a secondary gateway node. A primary inter-ring connection is established for the particular service by a switch at the primary gateway node, but no inter-ring connection is established at the secondary gateway node. The secondary gateway node comprises a controller for monitoring the status of the primary gateway node and establishing a new inter-ring connection for delivery of said service upon detecting a failure of the primary gateway node. This provides survivable inter-ring traffic which is bandwidth-efficient and with a low switching delay.
    • 一种用于在第一和第二可生存环之间递送通信服务的方法和相应的网络元件配置,每个包括相应的多个网络元件,其中至少两个网络元件是两个环共同的。 对于每个特定服务,公共网络元素之一被指定为主网关节点,另一个被指定为次网关节点。 由主网关节点上的交换机为特定业务建立主环形连接,但在次网关节点处不建立环网间连接。 辅助网关节点包括用于监视主网关节点的状态的控制器,并且在检测到主网关节点的故障时,建立用于传送所述服务的新的环际间连接。 这提供了可行的环际间流量,其具有带宽效率并且具有低切换延迟。