Invention Grant
US08717899B2 System and method for reporting out-of-resources (OOR) conditions in a data network 有权
在数据网络中报告资源不足(OOR)条件的系统和方法

System and method for reporting out-of-resources (OOR) conditions in a data network
Abstract:
A system and method for advertising out-of-resources (OOR) conditions for entities, such as nodes, line cards and data links, in a manner that does not involve using a maximum cost to indicate the entity is “out-of-resources.” According to the technique, an OOR condition for an entity is advertised in one or more type-length-value (TLV) objects contained in an advertisement message. The advertisement message is flooded to nodes on a data network to inform them of the entity's OOR condition. Head-end nodes that process the advertisement message may use information contained in the TLV object to determine a path for a new label switched path (LSP) that does not include the entity associated with the OOR condition.
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