Resilient and Latency-Aware Orchestration of Network Slices Using Multi-Connectivity in MEC-Enabled 5G Networks

  title={Resilient and Latency-Aware Orchestration of Network Slices Using Multi-Connectivity in MEC-Enabled 5G Networks},
  author={Prabhu Kaliyammal Thiruvasagam and Abhishek Chakraborty and C. Siva Ram Murthy},
  journal={IEEE Transactions on Network and Service Management},
Network slicing and multi-access edge computing (MEC) are new paradigms which play key roles in 5G and beyond networks. In particular, network slicing allows network operators (NOs) to divide the available network resources into multiple logical network slices (NSs) for providing dedicated virtual networks tailored to the specific service/business requirements. MEC enables NOs to provide diverse ultra-low latency services for supporting the needs of different industry verticals by moving… Expand
1 Citations
Study and Analysis of Multiconnectivity for Ultrareliable and Low-Latency Features in Networks and V2X Communications
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Virtual Network Function placement for resilient Service Chain provisioning
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Reliable Placement of Service Function Chains and Virtual Monitoring Functions With Minimal Cost in Softwarized 5G Networks
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Toward Slicing-Enabled Multi-Access Edge Computing in 5G
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Latency-aware composition of Virtual Functions in 5G
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The Location Problem for the Provisioning of Protected Slices in NFV-Based MEC Infrastructure
The MEC location problem is investigated, which aims at selecting locations to place MECs hosting protected slices and results show that the protection scheme 1: 1 can reduce the response time, at a higher deployment cost when compared to the <inline-formula> <tex-math notation="LaTeX">$1:N$ </tex- math></inline- formula> scheme. Expand
VNF Placement and Resource Allocation in SDN/NFV-Enabled MEC Networks
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Latency and Availability Driven VNF Placement in a MEC-NFV Environment
A novel placement scheme applicable to a MEC in NFV environment with a formulation of the problem of VNF placement tailored to uRLLC as an optimization problem of two conflicting objectives, namely minimizing access latency and maximizing service availability. Expand
Resilient VNF Placement for Service Chain Embedding in Diversified 5G Network Slices
An optimization programming formulation that minimizes the maximum of the affected number of weighted service chains while satisfying the VNF placement and routing constraints in the co located 5G network slices along with resource (bandwidth, computing) and slice-specific requirements is developed. Expand
A Reliability-Aware, Delay Guaranteed, and Resource Efficient Placement of Service Function Chains in Softwarized 5G Networks
This work addresses the reliability-aware, delay guaranteed, and resource efficient Service Function Chain (SFC) placement problem in softwarized 5G networks with a novel SFC subchaining method and proposes a modified stable matching algorithm to provide near-optimal solution in polynomial time. Expand