一种ISCSI虚拟化交换机的报文转发方法

Fourth International Workshop on Storage Network Architecture and Parallel I/Os (SNAPI 2007) Pub Date : 2007-09-24 DOI:10.1109/SNAPI.2007.25

Y. Chung, S. Lee, C. Chen

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引用次数: 4

摘要

我们提出了一种数据包转发方法，用于实现san中使用的iSCSI虚拟化交换机。利用现有的虚拟化软件和网络协议栈，我们首先在对称的架构下建立了一个基于网络的存储虚拟化交换机模型。遵循相同的功能，我们的方法可以通过使用基于缓存iSCSI会话的结构ID的数据包转发方法来减少协议处理的开销。通过地址转换器和复制处理程序，我们的设计还可以实现存储虚拟化管理的功能。从性能实验结果来看，与传统的虚拟化交换机相比，我们的转发系统在READ/WRITE操作上的性能提高了25% ~30%，CPU利用率降低了10% ~15%。

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A Packet Forwarding Method for the ISCSI Virtualization Switch

We present a packet forwarding method for the implementation of the iSCSI virtualization switch used in the SANs. Using the existing virtualization software plus network protocol stacks, first we build up a network-based storage virtualization switch model in the architecture of the symmetric approach. In compliance with the same functionality, our method can reduce the overheads of protocol processing by using a packet forwarding method based on caching the structure ID of the iSCSI session. With the Address Translator and Duplicating Handler, our design can also achieve the feature of storage virtualization management. From the result of our performance experiment, our forwarding system can achieve a higher performance on the READ/WRITE operations by 25% ~30% and reduce the CPU utilization by 10% ~15% compared to the conventional virtualization switch.

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来源期刊

Fourth International Workshop on Storage Network Architecture and Parallel I/Os (SNAPI 2007)

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