University of Oulu

Gaur, K., Kalla, A., Grover, J., Borhani, M., Gurtov, A., & Liyanage, M. (2021). A survey of virtual private lan services (Vpls): Past, present and future. Computer Networks, 196, 108245.

A survey of virtual private LAN services (VPLS) : past, present and future

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Author: Gaur, Kuntal1; Kalla, Anshuman2; Grover, Jyoti3;
Organizations: 1Department of Computer Applications, Manipal University Jaipur, India
2Centre for Wireless Communications, University of Oulu, Finland
3Department Computer Science and Engineering, Malaviya National Institute of Technology Jaipur, India
4Department of Computer and Information Science, Linköping University, Sweden
5School of Computer Science, University College Dublin, Ireland
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 2.8 MB)
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Language: English
Published: Elsevier, 2021
Publish Date: 2022-03-04


Virtual Private LAN services (VPLS) is a Layer 2 Virtual Private Network (L2VPN) service that has gained immense popularity due to a number of its features, such as protocol independence, multipoint-to-multipoint mesh connectivity, robust security, low operational cost (in terms of optimal resource utilization), and high scalability. In addition to the traditional VPLS architectures, novel VPLS solutions have been designed leveraging new emerging paradigms, such as Software Defined Networking (SDN) and Network Function Virtualization (NFV), to keep up with the increasing demand. These emerging solutions help in enhancing scalability, strengthening security, and optimizing resource utilization. This paper aims to conduct an in-depth survey of various VPLS architectures and highlight different characteristics through insightful comparisons. Moreover, the article discusses numerous technical aspects such as security, scalability, compatibility, tunnel management, operational issues, and complexity, along with the lessons learned. Finally, the paper outlines future research directions related to VPLS. To the best of our knowledge, this paper is the first to furnish a detailed survey of VPLS.

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Series: Computer networks. The international journal of computer and telecommunications networking
ISSN: 1389-1286
ISSN-E: 1872-7069
ISSN-L: 1389-1286
Volume: 196
Article number: 108245
DOI: 10.1016/j.comnet.2021.108245
Type of Publication: A2 Review article in a scientific journal
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: This work is partly supported by the Academy of Finland under the 6Genesis (grant no. 318927) project and partly supported by project 17.01 of Center For Industrial Information Technology (CENIIT).
Academy of Finland Grant Number: 318927
Detailed Information: 318927 (Academy of Finland Funding decision)
Copyright information: © 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (