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Systems and methods for caching SNMP data in multi-core and cluster systems

一种高速缓存、集合的技术，应用在传输系统、数字传输系统、数据交换网络等方向，能够解决性能降低等问题，达到高命中率的效果

Active Publication Date: 2015-02-18
CITRIX SYST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The performance of the system can degrade significantly when scaled to a large number of managed objects

Method used

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  • Systems and methods for caching SNMP data in multi-core and cluster systems
  • Systems and methods for caching SNMP data in multi-core and cluster systems
  • Systems and methods for caching SNMP data in multi-core and cluster systems

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Embodiment Construction

[0037] In order to read the following description of the various embodiments, the following sections of the specification and their respective descriptions are useful:

[0038] - Part A describes the network environment and computing environment that can be used to implement the embodiments described herein;

[0039] - Part B describes an embodiment of a system and method for delivering a computing environment to a remote user;

[0040] - Part C describes embodiments of systems and methods for accelerating communications between clients and servers;

[0041] - Section D describes an embodiment of a system and method for virtualizing an application delivery controller.

[0042] - Part E describes embodiments of systems and methods for providing multi-core architectures and environments; and

[0043] - Part F describes embodiments of systems and methods for providing a clustered device architecture environment;

[0044] - Section G describes embodiments of systems and methods...

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Abstract

The SNMP cache of the present solution supports multi-core / multi-node environment by recalculating the SNMP ordering of the entities in the response from multiple cores / nodes at insertion time. The most significant gain is achieved by prefetching or augmenting the cache, wherein while requesting an entity and its stat information, next few entities in SNMP order are requested from the owner processes. SNMP Management systems extensively utilize repeated GETNEXT (such as via a SNMP WALK) and few next responses may be served from the cache directly. Further performance improvements are obtained by introducing another level of cache on top of the existing cache. This auxiliary cache ensures a high hit ratio for repeated SNMP GETNEXT request (SNMP WALK operation) by caching last accessed entity within the main cache. This auxiliary cache also aids in insertion in the larger main cache by maintaining pointers to last accessed entity before the main cache miss. Cache implements other features like new stat inclusion / updating of the already cached entity.

Description

[0001] related application [0002] This application claims the benefit and priority of U.S. Provisional Patent Application 61 / 624126, entitled "Systems and Methods For Caching SNMP Data In Multi-Core and Cluster Systems," and filed April 13, 2012, by References are incorporated herein in their entirety for all purposes. technical field [0003] This application relates generally to data communication networks. In particular, the present application relates to systems and methods for caching Simple Network Management Protocol (SNMP) data across multi-core and clustered network devices. Background technique [0004] The appliance can respond to SNMP queries from the management system for a number of managed objects, including singular and table data. In multi-core and clustered systems, data about these managed objects is dynamic and is collected across every core in the multi-core device and across every node in the cluster. The performance of the system can degrade sign...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/08
CPCH04L41/0233G06F15/167H04L67/2842H04L41/0213H04L67/2852H04L67/5682H04L67/568H04L41/046H04L41/052
Inventor N·K·简
Owner CITRIX SYST INC
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