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    • 1. 发明授权
    • Powerful and flexible server architecture
    • 强大灵活的服务器架构
    • US06490625B1
    • 2002-12-03
    • US08980074
    • 1997-11-26
    • Nayeem IslamTrent Ray JaegerJochen LiedtkeVsevolod V. Panteleenko
    • Nayeem IslamTrent Ray JaegerJochen LiedtkeVsevolod V. Panteleenko
    • G06F1516
    • H04L67/2842H04L67/1002
    • A server complex including at least one hit server with item cache, used to process read and write operations relating to cached items from clients, and at least one miss server, serving as a link to other servers (e.g., web servers, file system servers, and databases) for receiving requests relayed from the hit server(s) which relate to non-cached items and for responding to same. The hit server is a general-purpose, generic, component, which is independent of concrete applications and is basically responsible for the performance; while a miss server is a highly-customizable component, which is responsible for flexibility, and is application specific. The inventive architecture provides improved performance whereby a server complex achieves exceptionally high throughput rates for local services (i.e., services using items in the local item cache); flexibility, whereby a server complex can support the enforcement of a variety of application-specific policies for item management, authentication, and item consistency; security, whereby a server complex can enable the verification of the source, integrity, and freshness of communications over untrusted links; and, scalability, whereby a server complex is expandable by adding server components and implementing customized item consistency policies.
    • 包括至少一个具有项目缓存的命中服务器的服务器复合体,用于处理与来自客户端的缓存项目相关的读取和写入操作,以及至少一个未命中服务器,用作到其他服务器(例如,Web服务器,文件系统服务器 和数据库),用于接收从命中服务器转发的与非高速缓存的项目相关的请求并对其进行响应。 命中服务器是一个通用的,通用的组件,它独立于具体的应用,基本上是对性能的负责; 而一个小姐服务器是一个高度可定制的组件,它负责灵活性,并且是特定于应用程序的。 本发明的架构提供了改进的性能,由此服务器复合体对本地服务(即,使用本地项目高速缓存中的项目的服务)实现极高的吞吐率; 灵活性,从而服务器复合体可以支持对项目管理,认证和项目一致性的各种特定于应用程序的策略的强制执行; 安全性,由此服务器组合可以通过不可信链接来验证通信的来源,完整性和新鲜度; 以及可扩展性,从而通过添加服务器组件和实现自定义项目一致性策略来扩展服务器组合。
    • 2. 发明授权
    • Process for generating a check word for a bit sequence for verifying the
integrity and authenticity of the bit sequence
    • 用于产生用于比特序列的校验字的过程,用于验证比特序列的完整性和真实性
    • US6044488A
    • 2000-03-28
    • US945592
    • 1997-12-16
    • Jochen Liedtke
    • Jochen Liedtke
    • H04L9/32G06F11/10
    • H04L9/3236
    • The method is intended for the generation of a check word for a bit string to check the integrity and authenticity of the bit string, the bit string comprising at least one data set consisting of a plurality of data words, each having the same word length defined by a number of bits. Here, a random number is generated for each data word, the number having the same number of bits as the data words. Further, first and second operand pairs are generated, each consisting of a data word and a random number. The data word and the random number of each first operand pair are subjected to a first linking operation, while the data word and the random number of each second operand pair is subjected to a second linking operation. The results of all operations applied to the first and second operand pairs are linked, the result of this linking being the check word of this data set.
    • PCT No.PCT / EP97 / 01021 Sec。 371日期:1997年12月16日 102(e)日期1997年12月16日PCT 1997年2月28日PCT公布。 出版物WO97 / 32417 日期1997年9月4日该方法旨在产生用于位串的检查词以检查位串的完整性和真实性,该位串包括由多个数据字组成的至少一个数据集,每个数据集具有 由多个位定义的相同的字长度。 这里,为每个数据字生成随机数,该数字与数据字的位数相同。 此外,生成第一和第二操作数对,每个由数据字和随机数组成。 对每个第一操作数对的数据字和随机数进行第一链接操作,同时对每个第二操作数对的数据字和随机数进行第二链接操作。 应用于第一和第二操作数对的所有操作的结果被链接,该链接的结果是该数据集的校验字。
    • 3. 发明授权
    • Cache memory indexing using virtual, primary and secondary color indexes
    • 使用虚拟,主和次颜色索引缓存内存索引
    • US6009503A
    • 1999-12-28
    • US732352
    • 1996-10-29
    • Jochen Liedtke
    • Jochen Liedtke
    • G06F12/08G06F12/10G06F12/00
    • G06F12/1054G06F2212/653
    • The memory device comprises a cache memory indexed by the cache index and group information of the virtual address. The physical address translated from the virtual address contains primary and secondary group information. If the tag of the cache entry addressed according to the above standard by indexing of the cache memory corresponds to the physical address, indexing is carried out again using the second group information associated with the physical address (and using the cache index of the virtual address). If the tag of the cache entry thus addressed still does not correspond to the physical address, a cache miss is signaled.
    • PCT No.PCT / EP95 / 01471 Sec。 371日期1996年10月29日第 102(e)日期1996年10月29日PCT 1995年4月19日PCT PCT。 公开号WO95 / 29445 日期1995年11月2日存储器件包括由缓存索引和虚拟地址的组信息索引的高速缓冲存储器。 从虚拟地址转换的物理地址包含主组和辅助组信息。 如果根据上述标准通过索引高速缓冲存储器寻址的缓存条目的标签对应于物理地址,则使用与物理地址相关联的第二组信息(并且使用虚拟地址的高速缓存索引)再次执行索引 )。 如果如此寻址的高速缓存条目的标签仍然不对应于物理地址,则发送高速缓存未命中。
    • 5. 发明授权
    • Cache or TLB using a working and auxiliary memory with valid/invalid data field, status field, settable restricted access and a data entry counter
    • 缓存或TLB使用具有有效/无效数据字段的工作和辅助存储器,状态字段,可设置的限制访问和数据输入计数器
    • US06260130B1
    • 2001-07-10
    • US08737140
    • 1996-11-08
    • Jochen Liedtke
    • Jochen Liedtke
    • G06F1200
    • G06F12/0891G06F12/1027
    • The memory device includes an auxiliary memory and a useful memory. Both memories are provided with a plurality of memory entries. The auxiliary memory is intended for storing regions of an address space therein. This includes a plurality of addresses with which the useful memory may be addressed. A write/read access to a useful memory entry is not possible if a status field associated with the useful memory entry signals a restricting status and the address with which the useful memory entry is addressed lies within at least one of the address space regions stored in the auxiliary memory. Efficient region-selective flushing of the useful memory is possible with this procedure.
    • 存储器件包括辅助存储器和有用存储器。 两个存储器具有多个存储器条目。 辅助存储器用于存储其中的地址空间的区域。 这包括可以寻址有用存储器的多个地址。 如果与有用存储器条目相关联的状态字段指示限制状态并且有用存储器条目被寻址的地址位于存储在有用存储器条目中的至少一个地址空间区域中,则对有用存储器条目的写/读访问是不可能的 辅助存储器。 有效的区域选择性刷新有用的记忆是可能的这个过程。
    • 6. 发明授权
    • Method of indexing a TLB using a routing code in a virtual address
    • 使用虚拟地址中的路由代码对TLB进行索引的方法
    • US6079004A
    • 2000-06-20
    • US875134
    • 1997-07-18
    • Jochen Liedtke
    • Jochen Liedtke
    • G06F12/1027G06F12/10
    • G06F12/1027
    • The method serves to operate an address translation device for translating a virtual address of a virtual address space comprising a plurality of pages into a physical address of a physical address space comprising a plurality of pages, with the use of a translation lookaside buffer and a page table. The address translation is performed in the following manner: the translation lookaside buffer is indexed to an index by the routing code associated with the virtual address or by a mapping of the routing code associated with the virtual address, or it is indexed to an index by a mapping of the routing code associated with the virtual address and the first address portion of the virtual address. In case of a TLB hit, a page table parsing is executed using only the virtual address. The routing code used to index the TLB is not included in the page table parsing.
    • PCT No.PCT / EP96 / 00333 Sec。 371日期1997年7月18日 102(e)1997年7月18日PCT PCT 1996年1月29日PCT公布。 公开号WO96 / 23260 日期1996年8月1日该方法用于操作地址转换装置,用于将包括多个页面的虚拟地址空间的虚拟地址转换成包括多个页面的物理地址空间的物理地址,使用翻译 后备缓冲区和页表。 以如下方式执行地址转换:将转换后备缓冲器通过与虚拟地址相关联的路由代码或通过与虚拟地址相关联的路由代码的映射索引到索引,或者通过与虚拟地址相关联的路由代码的索引来索引 与虚拟地址和虚拟地址的第一地址部分相关联的路由代码的映射。 在TLB命中的情况下,仅使用虚拟地址执行页表解析。 用于索引TLB的路由代码不包括在页表解析中。
    • 7. 发明授权
    • Schedulable dynamic memory pinning
    • 可调度的动态内存固定
    • US06347364B1
    • 2002-02-12
    • US09197028
    • 1998-11-20
    • Jochen Liedtke
    • Jochen Liedtke
    • G06F1200
    • G06F9/5016G06F12/126
    • A system and method for enabling applications to pin a set of pages in memory for a predetermined duration in time. An application submits a request for pinning its memory for certain duration. As a compensation the applications may offer other currently mapped pages for replacement. The request may also include number of pages and duration of time. The request is granted with the constraint policies which the application is to follow. Such constraint policies include number of pages and length of time the pages may remain pinned in memory. When compensation pages are offered, those pages are replaced in place of the pages which are granted the privileged of being pinned. The present invention also provides page coloring compensation by including a compensation pool from where a compensation page having the same color as the one picked for replacement may be selected. The compensation pages offered by the application which are not used for compensating are returned subsequently to the application.
    • 一种用于使应用程序能够在存储器中将一组页面固定在预定持续时间内的系统和方法。 一个应用程序提交一个请求,将其内存固定一段时间。 作为补偿,应用程序可能会提供其他当前映射的页面进行更换。 该请求还可以包括页数和持续时间。 该请求被授予应用程序要遵循的约束策略。 这样的约束策略包括页面数和页面可能保持固定在存储器中的时间长度。 当提供补偿页面时,这些页面被替换为被授予被固定的特权的页面。 本发明还通过包括补偿池来提供页面着色补偿,其中可以选择具有与用于替换的选择相同的颜色的补偿页面。 应用程序提供的不用于补偿的补偿页面随后返回给应用程序。
    • 9. 发明授权
    • Color correction method in a virtually addressed and physically indexed
cache memory in the event of no cache hit
    • 在没有高速缓存命中的情况下,虚拟寻址和物理索引高速缓冲存储器中的色彩校正方法
    • US5913222A
    • 1999-06-15
    • US727660
    • 1997-02-03
    • Jochen Liedtke
    • Jochen Liedtke
    • G06F12/08G06F12/10
    • G06F12/1054G06F2212/653
    • In a virtually addressed and physically indexed cache memory, the allocation of a color of a cache entry can be changed for a color allocation of the virtual and physical pages by assigning a color information to each cache entry, by which a second cache address operation is executed after an unsuccessful first cache address operation. Should there still be no cache hit, another cache addressing is attempted by means of a color correction, i.e. an indexing of the cache memory using, among others, the physical color. Should this cache address operation also fail to produce a cache hit, there is a cache miss.
    • PCT No.PCT / EP95 / 01378 Sec。 371日期1997年2月3日 102(e)日期1997年2月3日PCT提交1995年4月12日PCT公布。 出版物WO95 / 28678 日期1995年10月26日在虚拟寻址和物理索引的高速缓冲存储器中,可以通过将颜色信息分配给每个高速缓存条目来改变对于虚拟和物理页面的颜色分配的高速缓存条目的颜色分配,由此 在第一缓存地址操作不成功之后执行第二高速缓存地址操作。 如果仍然没有高速缓存命中,则通过颜色校正来尝试另一个高速缓存寻址,即,使用诸如物理颜色的高速缓冲存储器的索引。 如果此缓存地址操作也无法产生缓存命中,则会出现缓存未命中。