{"title":"基于以太网的存储区域网络的透明可靠组播","authors":"Shibiao Lin, Maohua Lu, T. Chiueh","doi":"10.1109/NCA.2007.51","DOIUrl":null,"url":null,"abstract":"As disk storage density increases and data availability requirements become ever more demanding, data replication is increasingly an indispensable feature of enterprise-class storage systems. For highly available storage systems, every disk block is typically replicated on a local mirror server and a remote mirror server in addition to being stored on the main storage server. In a network storage environment, this N-way data replication increases the write traffic load on the storage client's network interface by N times. Multicast is a natural solution to this problem. However, existing storage area network technologies such as fibre channel and Ethernet do not provide adequate support for linklayer multicast. This paper describes a novel reliable multicast mechanism for Ethernet-based storage area networks that effectively exploits the virtual LAN technology and is able to keep the traffic load of N-way replication roughly at the same level as the no-replication case regardless of the value of N. This technology greatly increases the appeal of using Ethernet as the physical-layer technology for storage area networking, as fibre channel networks currently do not support such in-network replication. Performance measurements on an iSCSI-based network storage system demonstrate that the proposed reliable multicast mechanism is able to reduce the end-to-end data transport time by a factor of 2.6 for three-way replication when the disk write size is more than 4 Mbytes.","PeriodicalId":135395,"journal":{"name":"Sixth IEEE International Symposium on Network Computing and Applications (NCA 2007)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2007-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"Transparent Reliable Multicast for Ethernet-Based Storage Area Networks\",\"authors\":\"Shibiao Lin, Maohua Lu, T. Chiueh\",\"doi\":\"10.1109/NCA.2007.51\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"As disk storage density increases and data availability requirements become ever more demanding, data replication is increasingly an indispensable feature of enterprise-class storage systems. For highly available storage systems, every disk block is typically replicated on a local mirror server and a remote mirror server in addition to being stored on the main storage server. In a network storage environment, this N-way data replication increases the write traffic load on the storage client's network interface by N times. Multicast is a natural solution to this problem. However, existing storage area network technologies such as fibre channel and Ethernet do not provide adequate support for linklayer multicast. This paper describes a novel reliable multicast mechanism for Ethernet-based storage area networks that effectively exploits the virtual LAN technology and is able to keep the traffic load of N-way replication roughly at the same level as the no-replication case regardless of the value of N. This technology greatly increases the appeal of using Ethernet as the physical-layer technology for storage area networking, as fibre channel networks currently do not support such in-network replication. Performance measurements on an iSCSI-based network storage system demonstrate that the proposed reliable multicast mechanism is able to reduce the end-to-end data transport time by a factor of 2.6 for three-way replication when the disk write size is more than 4 Mbytes.\",\"PeriodicalId\":135395,\"journal\":{\"name\":\"Sixth IEEE International Symposium on Network Computing and Applications (NCA 2007)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-07-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Sixth IEEE International Symposium on Network Computing and Applications (NCA 2007)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NCA.2007.51\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sixth IEEE International Symposium on Network Computing and Applications (NCA 2007)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NCA.2007.51","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Transparent Reliable Multicast for Ethernet-Based Storage Area Networks
As disk storage density increases and data availability requirements become ever more demanding, data replication is increasingly an indispensable feature of enterprise-class storage systems. For highly available storage systems, every disk block is typically replicated on a local mirror server and a remote mirror server in addition to being stored on the main storage server. In a network storage environment, this N-way data replication increases the write traffic load on the storage client's network interface by N times. Multicast is a natural solution to this problem. However, existing storage area network technologies such as fibre channel and Ethernet do not provide adequate support for linklayer multicast. This paper describes a novel reliable multicast mechanism for Ethernet-based storage area networks that effectively exploits the virtual LAN technology and is able to keep the traffic load of N-way replication roughly at the same level as the no-replication case regardless of the value of N. This technology greatly increases the appeal of using Ethernet as the physical-layer technology for storage area networking, as fibre channel networks currently do not support such in-network replication. Performance measurements on an iSCSI-based network storage system demonstrate that the proposed reliable multicast mechanism is able to reduce the end-to-end data transport time by a factor of 2.6 for three-way replication when the disk write size is more than 4 Mbytes.