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    • 2. 发明授权
    • System and method for managing industrial process control data streams over network links
    • 通过网络链路管理工业过程控制数据流的系统和方法
    • US08055787B2
    • 2011-11-08
    • US10938209
    • 2004-09-10
    • Hendrik Johannes VictorMikhail Avergun
    • Hendrik Johannes VictorMikhail Avergun
    • G06F15/173G06F3/00
    • H04L67/12H04L47/56H04L49/90H04L49/901H04L49/9057
    • A data acquisition service on a network node is disclosed for forwarding received process data to a process history database over a potentially slow and/or intermittent network connection. A store and forward functionality within the networked node receives incoming process data via a first network interface and forwards outgoing process data via a second network interface. The disclosed store and forward functionality includes an immediate transmission cache and a store and forward storage. The store control enters, in response to detecting an entry condition, an activated mode wherein incoming process data is directed to the store and forward storage. A read control forwards outgoing process data to the second network interface from the immediate transmission cache and store and forward storage. The read control includes at least a first configurable parameter that constrains a rate at which data retrieved from the store and forward storage is forwarded via the second network interface.
    • 公开了一种网络节点上的数据采集服务,用于通过潜在的慢速和/或间歇的网络连接将接收到的过程数据转发到过程历史数据库。 网络节点内的存储和转发功能经由第一网络接口接收传入的过程数据,并经由第二网络接口转发出去的过程数据。 所披露的存储和转发功能包括立即传输缓存和存储和转发存储。 存储控制响应于检测到入口条件而进入激活模式,其中进入的过程数据被引导到存储并转发存储。 读取控制从即时传输缓存将传出处理数据转发到第二网络接口并存储和转发存储。 读取控制包括至少第一可配置参数,该第一可配置参数限制通过第二网络接口转发从存储器检索的数据和转发存储器的速率。
    • 6. 发明授权
    • Method and system for time-weighted cache management
    • 用于时间加权缓存管理的方法和系统
    • US07519776B2
    • 2009-04-14
    • US11189323
    • 2005-07-26
    • Yevgeny V. NaryzhnyMikhail Avergun
    • Yevgeny V. NaryzhnyMikhail Avergun
    • G06F12/00G06F13/00
    • G06F12/127
    • Disclosed is a technique for managing memory items in a cache. An “age-lock” parameter is set to protect the newer memory items. When an incoming memory item (such as a history block header) is to be added to the cache, the amount of free space in the cache is checked. If there is insufficient free space for the incoming memory item, then space is freed up by removing memory items from the cache. No memory items protected by the age-lock parameter are removed. Of the older items, the selection for removal follows any of a number of well know cache management techniques, such as the “least recently used” algorithm. A “maximum size” parameter can be set for the cache. If the cache exceeds this maximum size, then free space is released and memory items are removed to decrease the cache size.
    • 公开了一种用于管理高速缓存中的存储器项的技术。 设置“年龄锁定”参数来保护较新的内存条目。 当要将进入的内存项(如历史块头)添加到高速缓存中时,将检查高速缓存中的可用空间量。 如果进入的内存条目的可用空间不足,则通过从缓存中删除内存项来释放空间。 没有被age-lock参数保护的内存项被删除。 在较旧的项目中,删除的选择遵循许多熟知的高速缓存管理技术中的任何一种,诸如“最近最少使用的”算法。 可以为缓存设置“最大大小”参数。 如果缓存超过此最大大小,则释放可用空间,并删除内存项以减小缓存大小。
    • 7. 发明申请
    • Method and system for time-weighted history block management
    • 时间加权历史块管理方法与系统
    • US20070028070A1
    • 2007-02-01
    • US11189651
    • 2005-07-26
    • Mikhail AvergunYevgeny Naryzhny
    • Mikhail AvergunYevgeny Naryzhny
    • G06F12/00
    • G06F12/123
    • Disclosed is a technique for managing items in a memory store. A “free-space size threshold” is set for the memory store. An age parameter is also set. When the amount of free space in the store decreases below the threshold, space in the store is freed up by removing memory items. Memory items older than specified by the age parameter are also removed. A “chain” of memory stores can be implemented. When a memory item is removed from the first store, it is added to the second store and so on. The techniques of the present invention can be implemented in each store in the chain, or the stores can use different memory management techniques.
    • 公开了一种用于管理存储器存储器中的项目的技术。 为存储器存储设置“自由空间大小阈值”。 还设置一个年龄参数。 当商店中的可用空间量降低到阈值以下时,通过删除内存条目来释放商店中的空间。 由age参数指定的内存项目也会被删除。 可以实现存储器的“链”。 当从第一个商店中删除内存条目时,它将被添加到第二个商店,依此类推。 本发明的技术可以在链中的每个商店中实现,或者商店可以使用不同的存储器管理技术。
    • 8. 发明申请
    • Method and system for time-weighted cache management
    • 用于时间加权缓存管理的方法和系统
    • US20070028054A1
    • 2007-02-01
    • US11189323
    • 2005-07-26
    • Yevgeny NaryzhnyMikhail Avergun
    • Yevgeny NaryzhnyMikhail Avergun
    • G06F12/00
    • G06F12/127
    • Disclosed is a technique for managing memory items in a cache. An “age-lock” parameter is set to protect the newer memory items. When an incoming memory item (such as a history block header) is to be added to the cache, the amount of free space in the cache is checked. If there is insufficient free space for the incoming memory item, then space is freed up by removing memory items from the cache. No memory items protected by the age-lock parameter are removed. Of the older items, the selection for removal follows any of a number of well know cache management techniques, such as the “least recently used” algorithm. A “maximum size” parameter can be set for the cache. If the cache exceeds this maximum size, then free space is released and memory items are removed to decrease the cache size.
    • 公开了一种用于管理高速缓存中的存储器项的技术。 设置“年龄锁定”参数来保护较新的内存条目。 当要将进入的内存项(如历史块头)添加到高速缓存中时,将检查高速缓存中的可用空间量。 如果进入的内存条目的可用空间不足,则通过从缓存中删除内存项来释放空间。 没有被age-lock参数保护的内存项被删除。 在较旧的项目中,删除的选择遵循许多熟知的高速缓存管理技术中的任何一种,诸如“最近最少使用的”算法。 可以为缓存设置“最大大小”参数。 如果缓存超过此最大大小,则释放可用空间,并删除内存项以减小缓存大小。
    • 10. 发明授权
    • Method and system for time-weighted history block management
    • 时间加权历史块管理方法与系统
    • US07574569B2
    • 2009-08-11
    • US11189651
    • 2005-07-26
    • Mikhail AvergunYevgeny V. Naryzhny
    • Mikhail AvergunYevgeny V. Naryzhny
    • G06F12/02
    • G06F12/123
    • Disclosed is a technique for managing items in a memory store. A “free-space size threshold” is set for the memory store. An age parameter is also set. When the amount of free space in the store decreases below the threshold, space in the store is freed up by removing memory items. Memory items older than specified by the age parameter are also removed. A “chain” of memory stores can be implemented. When a memory item is removed from the first store, it is added to the second store and so on. The techniques of the present invention can be implemented in each store in the chain, or the stores can use different memory management techniques.
    • 公开了一种用于管理存储器存储器中的项目的技术。 为存储器存储设置“自由空间大小阈值”。 还设置一个年龄参数。 当商店中的可用空间量降低到阈值以下时,通过删除内存条目来释放商店中的空间。 由age参数指定的内存项目也会被删除。 可以实现存储器的“链”。 当从第一个商店中删除内存条目时,它将被添加到第二个商店,依此类推。 本发明的技术可以在链中的每个商店中实现,或者商店可以使用不同的存储器管理技术。