PLAN: Joint Policy- and Network-Aware VM Management for Cloud Data Centers

PLAN: Joint Policy- and Network-Aware VM Management for Cloud Data Centers
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PLAN:云数据中心的联合策略和网络感知虚拟机管理

DOI:
10.1109/tpds.2016.2604811
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发表时间:
2017-04
影响因子:
5.3
通讯作者:
Zhao Wei
Zhao Wei
中科院分区:
计算机科学2区
文献类型:
--
作者:
Cui Lin;Tso Fung Po;Pezaros Dimitrios;Jia Weijia;Zhao Wei

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策略在网络配置中扮演着重要的角色,因此在提供安全和高性能的服务时,尤其是在多租户云数据中心(DC)环境中。同时,通过虚拟化提供弹性资源通常忽略策略需求,假设策略实现是由底层网络基础设施处理的。这可能导致违反策略、性能下降和安全漏洞。本文定义了一种策略感知和网络感知的虚拟机管理方案PLAN,在满足网络策略要求的同时,通过虚拟机迁移来降低数据中心通信成本。我们证明了这个问题是np困难的,并推导了一个有效的近似算法来降低通信成本,同时遵守策略约束。通过广泛的评估,我们表明PLAN可以在不同的聚合流量和配置策略下将拓扑范围的通信成本降低38%。
Policies play an important role in network configuration and therefore in offering secure and high performance services especially over multi-tenant Cloud Data Center (DC) environments. At the same time, elastic resource provisioning through virtualization often disregards policy requirements, assuming that the policy implementation is handled by the underlying network infrastructure. This can result in policy violations, performance degradation and security vulnerabilities. In this paper, we define PLAN, a PoLicy-Aware and Network-aware VM management scheme to jointly consider DC communication cost reduction through Virtual Machine (VM) migration while meeting network policy requirements. We show that the problem is NP-hard and derive an efficient approximate algorithm to reduce communication cost while adhering to policy constraints. Through extensive evaluation, we show that PLAN can reduce topology-wide communication cost by 38 percent over diverse aggregate traffic and configuration policies.
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