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Provisioning Optimization for Determining and Embedding 5G End-to-End Information Centric Network Slice

机译:用于确定和嵌入5G端到端信息中心网络切片的优化

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摘要

The softwarization and virtualization based Network Slicing (NS) technology provides the momentum for integrating the Information-Centric Networking (ICN) systems into the 5G infrastructure, such that ICN can be virtualized as a NS to co-exist with other IP-based vertical services slices. The implementation of the ICN network slice (ICN-NS) is essentially a 5G end-to-end (E2E) NSs embedding problem, which is normally solved by embedding the given virtual network (VN) of the slice instance. However, determining the details of the VN is non-trivial and largely ignored in the literature. In this work, we formulate the ICN network slices determination and embedding (ICN-NS-DE) problem through an Integer Linear Program (ILP) formulation, such that the ICN-NS determination and embedding problems are jointly solved for a hierarchical ICN system without requiring a-priori knowledge on the VN's topology and resource provisioning information. Due to the complexity of the model, we design an heuristic algorithm for solving the problem in practical large scale network. Finally, we demonstrate the performance of the ICN-NS-DE model and the algorithm through intensive simulations.
机译:基于软态和虚拟化的网络切片(NS)技术提供了将信息中心网络(ICN)系统集成到5G基础架构中的势头,使得ICN可以虚拟化为与其他基于IP的垂直服务共存的NS共存切片。 ICN网络切片(ICN-NS)的实现基本上是一个5G端到端(E2E)NSS嵌入问题,其通常通过嵌入切片实例的给定虚拟网络(VN)来解决。然而,确定VN的细节是非微不足道的,并且在文献中是在很大程度上忽略的。在这项工作中,我们通过整数线性程序(ILP)制定来制定ICN网络切片确定和嵌入(ICN-NS-DE)问题,使得ICN-NS确定和嵌入问题是针对分层ICN系统共同求解的需要关于VN拓扑和资源供应信息的先验知识。由于模型的复杂性,我们设计了一种解决实用大规模网络问题的启发式算法。最后,我们通过强化模拟展示了ICN-NS-DE模型和算法的性能。

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