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2. 发明授权

US06279037B1 Methods and apparatus for collecting, storing, processing and using network traffic data 有权
标题翻译：收集，存储，处理和使用网络流量数据的方法和装置
公开(公告)号：US06279037B1
公开(公告)日：2001-08-21
申请号：US09131717
申请日：1998-08-10
申请人： Jonathan Tams , Mark Adrian Pearce , Robin Iddon , Ronnie Brown
发明人： Jonathan Tams , Mark Adrian Pearce , Robin Iddon , Ronnie Brown
IPC分类号： G06F15173
CPC分类号： H04L43/12 , H04L43/026 , H04L43/106
摘要： Methods and apparatus for collecting, storing, processing and using data, such a RMON2 network traffic data, are described. Network traffic probes are identified and attempts are made to configure the identified probes to generate network traffic data sets which are as close to a preselected common data format as possible. Application layer traffic data is collected in addition to network layer traffic data when possible. In an RMON2 embodiment, the common data format includes the use of delta count values as opposed to absolute count values. The common data format of the present invention utilizes terminal count mode format as opposed to all count mode format for the presentation of RMON2 application layer information. To minimize the amount of data processing required to put a probe's network traffic data into the desired common format and to maximize the amount of information collected, network data is obtained from a probe using one of the available RMON2 table formats. In order to avoid various problems with known data aging processes used to limit the growth of network traffic databases, a database of collected network traffic information which includes multiple parallel sets of data stored at different resolutions is created and maintained. The data sets for each individual resolution are stored in a separate FIFO data structure and with the oldest data records in the FIFO being overwritten when allocated data space becomes fully utilized.
摘要翻译：描述了用于收集，存储，处理和使用数据的方法和装置，例如RMON2网络业务数据。识别网络流量探测器，并尝试配置所识别的探测器以生成尽可能接近预选公共数据格式的网络流量数据集。除了网络层流量数据之外，应用层流量数据也可能被收集。在RMON2实施例中，公共数据格式包括与绝对计数值相反的增量计数值的使用。本发明的公共数据格式使用终端计数模式格式，而不是用于呈现RMON2应用层信息的所有计数模式格式。为了最小化将探测器的网络流量数据放入所需的通用格式并最大限度地收集信息所需的数据处理量，使用可用的RMON2表格格式之一从探测器获取网络数据。为了避免用于限制网络流量数据库增长的已知数据老化过程的各种问题，创建并维护了收集的网络流量信息的数据库，其包含以不同分辨率存储的多个并行数据。每个单独分辨率的数据集存储在单独的FIFO数据结构中，并且当分配的数据空间被充分利用时，FIFO中的最早的数据记录被覆盖。

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