论文标题
LTE EPC控制平面的基于排队的动态自动缩放算法
A Queuing based Dynamic Auto Scaling Algorithm for the LTE EPC Control Plane
论文作者
论文摘要
预计网络切片（NS）将是即将到来的5G系统的关键功能。加上软件定义的网络（SDN）和网络功能虚拟化（NFV），NS将在共享基础架构上灵活地部署属于多个服务功能链（SFC）的网络函数。为了解决这个新环境产生的复杂性，我们制定了一个MILP优化模型，该模型可以使网络切片的成本优势部署，从而使移动网络运营商可以根据用户的要求有效地分配基础层资源。对于每个网络切片，所提出的解决方案保证了所需的延迟和带宽，同时有效地处理了基础节点的使用，从而导致成本降低。获得的结果表明，在小规模网络的成本和执行时间方面，提出的解决方案的效率在大规模拓扑中显示出有趣的行为。
Network Slicing (NS) is expected to be a key functionality of the upcoming 5G systems. Coupled with Software Defined Networking (SDN) and Network Function Virtualization (NFV),NS will enable a flexible deployment of Network Functions belonging to multiple Service Function Chains (SFC) over a shared infrastructure. To address the complexities that arise from this new environment, we formulate a MILP optimization model that enables a cost-optimal deployment of network slices, allowing a Mobile Network Operator to efficiently allocate the underlying layer resources according to the users' requirements. For each network slice, the proposed solution guarantees the required delay and the bandwidth, while efficiently handling the usage of underlying nodes, which leads to reduced cost. The obtained results show the efficiency of the proposed solution in terms of cost and execution time for small-scale networks, while it shows an interesting behavior in the large-scale topologies.
