International Journal of Applied Science and Engineering
Published by Chaoyang University of Technology

Sumit Badotraa* and Surya Narayan Pandaa
aChitkara University Institute of Engineering and Technology, Chitkara University, Punjab, India.


Download Citation: |
Download PDF


With the rate of an increasing number of devices connected to the internet and rapidly increasing traffic demands, there is a need to develop a mechanism that should be able to cope with the challenges currently being faced by various Wide Area Network (WAN). SD-WAN (Software-Defined- Wide Area Network) is a new WAN technology that incorporates the features of Software Defined Networking (SDN). With its enormous benefits and simple working principle of separating the control plane and data, the plane produces many new opportunities that further diminish the various limitations of traditional WAN technologies such as flexibility, cost, and inefficiencies. This paper aims to provide an overview of SD-WAN research and technologies by comparing it with traditional methods of WAN technologies. It will help various researchers and industrialists to have an overview of this new technology which is an area of high interest over the upcoming year.

Keywords: Software defined networks; data plane; control plane; wide area network.

Share this article with your colleagues



  1. [1] Govindarajan, K., Meng, K. C. and Ong, H. 2013. A literature review on software-defined networking (SDN) research topics, challenges and solutions. In 2013 Fifth International Conference on Advanced Computing (ICoAC), 293–299. [Publisher Site]

  2. [2] Xia, W., Wen, Y., Foh, C. H., Niyato, D. and Xie, H. 2015. A survey on software-defined networking, IEEE Communications Surveys & Tutorials, 17, 1:27–51. [Publisher Site]

  3. [3] Lantz, B., Heller, B. and Mckeown, N. 2010. A network in a laptop: rapid prototyping for software-defined networks. In Proceedings of the 9th ACM SIGCOMM Workshop on Hot Topics in Networks. [Publisher Site]

  4. [4] Feamster, N., Rexford, J. and Zegura, E. 2014. The road to SDN: an intellectual history of programmable networks. ACM SIGCOMM Computer Communication Review, 44, 2: 87–98. [Publisher Site]

  5. [5] Nunes, B. A. A., Mendonca, M., Nguyen, X. N., Obraczka, K. and Turletti, T. 2014. A survey of software-defined networking: Past, present, and future of programmable networks. IEEE Communications Surveys & Tutorials, 16, 3:1617–1634. [Publisher Site]

  6. [6] Shenker, S., Casado, M., Koponen, T. and McKeown, N. 2011. The future of networking, and the past of protocols. Open Networking Summit, 20:1–30.

  7. [7] McKeown, N., Anderson, T., Balakrishnan, H., Parulkar, G., Peterson, L., Rexford, J. and Turner, J. 2008. OpenFlow: enabling innovation in campus networks. ACM SIGCOMM Computer Communication Review, 38, 2:69–74. [Publisher Site]

  8. [8] Jammal, M., Singh, T., Shami, A., Asal, R. and Li, Y. 2014. Software defined networking: State of the art and research challenges. Computer Networks, 72:74–98. [Publisher Site]

  9. [9] King, D., Rotsos, C., Aguado, A., Georgalas, N. and Lopez, V. 2016. The Software Defined Transport Network: Fundamentals, findings and futures. In 2016 18th International Conference on Transparent Optical Networks (ICTON),1–4. [Publisher Site]

  10. [10] Kouicem, D. E., Fajjari, I. and Aitsaadi, N. 2017. An enhanced path computation for wide area networks based on software defined networking. In 2017 IFIP/IEEE Symposium on Integrated Network and Service Management(IM), 664–667. [Publisher Site]

  11. [11] Liu, S. and Li, B. 2015. On scaling software-defined networking in wide-area networks. Tsinghua Science and Technology, 20, 3:221–232. [Publisher Site]

  12. [12] Yan, Y. Li, W. Dong and D. Jin. 2018. Software-Defined WAN via Open IEEE Access, 6:33752–33765. [Publisher Site]

  13. [13] Wang, G., Zhao, Y., Huang, J. and Wu, Y. 2017. An effective approach to controller placement in software defined wide area networks. IEEE Transactions on Network and Service Management, 15, 1:344–355. [Publisher Site]

  14. [14] Yan, H., Liu, J., Li, Y., Dong, W., Lin, C. and Jin, D. 2015. WAN as a service for cloud via software-defined network and open APIs. In 2015 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), 9–10. [Publisher Site]

  15. [15] Baucke, S., Ali, R. B., Kempf, J., Mishra, R., Ferioli, F. and Carossino, A. 2013. Cloud Atlas: A Software Defined Networking Abstraction for Cloud to WAN Virtual Networking. IEEE Sixth International Conference on Cloud Computing, Santa Clara, CA, 895–902. [Publisher Site]

  16. [16] Michel, O. and Keller, E. 2017. SDN in wide-area networks: A survey. In 2017 Fourth International Conference on Software Defined Systems (SDS), 37–42. [Publisher Site]

  17. [17] Nakajima, Y., Hibi, T., Takahashi, H., Masutani, H., Shimano, K. and Fukui, M. 2014. Scalable high-performance elastic software OpenFlow switch in userspace for wide-area network. Proc. Open Networking Summit (ONS 2014), Santa Clara, CA

  18. [18] Jain, S., Kumar, A., Mandal, S., Ong, J., Poutievski, L., Singh, A. and Zolla, J. 2013.B4: Experience with a globally-deployed software defined WAN. In ACM SIGCOMM Computer Communication Review, 43, 4:3–14. [Publisher Site]

  19. [19] Raza, U., Kulkarni, P. and Sooriyabandara, M. 2017. Low power wide area networks: An overview. IEEE Communications Surveys & Tutorials, 19, 2:855–873. [Publisher Site]

  20. [20] Sköldström, P. and Yedavalli, K. 2012. Network virtualization and resource allocation in openflow-based wide area networks. In 2012 IEEE International Conference on Communications (ICC), 6622–6626. [Publisher Site]

  21. [21] Armitage, G. 2000. Quality of service in IP networks. Sams.

  22. [22] Kraimeche, B. and Schwartz, M. 1986. Bandwidth allocation strategies in wide-band integrated networks. IEEE Journal on Selected Areas in Communications, 4, 6):869–878. [Publisher Site]

  23. [23] Rutkowski, A. M. 1985. Integrated services digital networks. Dedham, MA: Artech House.

  24. [24] Newbury, J. and Miller, W. 1999. Potential communication services using power line carriers andbroadband integrated services digital network. IEEE Transactions on Power Delivery, 14, 4:1197–1201. [Publisher Site]

  25. [25] Woodworth, C. B., Karol, M. J. and Gitlin, R. D. 1991. A flexible broadband packet switch for a multimedia integrated network. In ICC 91 International Conference on Communications Conference Record, 78–85. 

  26. [26] Nagle, J. 1987. On packet switches with infinite storage. IEEE transactions on communications, 35, 4:435–438. [Publisher Site]

  27. [27] Carter, R. L. and Crovella, M. E. 1996. Measuring bottleneck link speed in packet-switched networks. Performance evaluation, 27:297–318. [Publisher Site]

  28. [28] Thompson, K., Miller, G. J. and Wilder, R. 1997. Wide-area Internet traffic patterns and characteristics. IEEE network, 11, 6:10–23. [Publisher Site]

  29. [29] Schwartz, M. 1996. Broadband integrated networks. New Jersey: Prentice Hall PTR, 19:26–29.

  30. [30] Kahle, B., Morris, H., Davis, F., Tiene, K., Hart, C. and Palmer, R. 1992. Wide area information servers: an executive information system for unstructured files. Internet Research, 2, 1:59–68. [Publisher Site]

  31. [31] Graube, M. 1985. Local area networks. In Kommunikation in Verteilten Systemen II. Springer, Berlin, Heidelberg, 80–92. [Publisher Site]

  32. [32] Yang, O. W. W., Yao, X. X. and Murthy, K. M. S. 1992. Modeling and performance analysis of file transfer in a satellite wide area network. IEEE journal on selected areas in communications, 10, 2:428–436. [Publisher Site]

  33. [33] Sunshine, C. A. 1990. Network interconnection and gateways. IEEE Journal on Selected Areas in Communications, 8, 1:4–11. [Publisher Site]

  34. [34] Barrett, J. J. and Wunderlich, E. F. 1991. LAN interconnect using X. 25 network services. IEEE Network, 5, 5:12–16. [Publisher Site]

  35. [35] Byrne, W. R., Kafka, H. J., Luderer, G. W. R., Nelson, B. L. and Clapp, G. H. 1990. Evolution of metropolitan area networks to broadband ISDN. In International Symposium on Switching, 2:15–22. [Publisher Site]

  36. [36] Stuttgen, H. J. 1995. Network evolution and multimedia communication. IEEE MultiMedia, 2, 3:42–59. [Publisher Site]

  37. [37] Jones, K. 1994. Internet's SNMP and ISO's CMIP Protocols for Network Management. International Journal of Network Management, 4, 3:130–137. [Publisher Site]

  38. [38] Serizawa, Y., Myoujin, M., Kitamura, K., Sugaya, N., Hori, M., Takeuchi, A. and Inukai, M. 1998. Wide-area current differential backup protection employing broadband communications and time transfer systems. IEEE Transactions on Power Delivery, 13, 4:1046–1052. [Publisher Site]

  39. [39] Grant, A., Hutchison, D. and Shepherd, W. D. 1983. A gateway for linking local area networks and X. 25 networks. ACM SIGCOMM Computer Communication Review, 13, 2:234–239. [Publisher Site]

  40. [40] Smith, P. 1993. Frame relay: principles and applications. Addison-Wesley Longman Publishing Co., Inc.

  41. [41] Kostas, T. J., Borella, M. S., Sidhu, I., Schuster, G. M., Grabiec, J. and Mahler, J. 1998. Real-time voice over packet-switched networks. IEEE network, 12, 1:18–27. [Publisher Site]

  42. [42] Doshi, B. T. and Nguyen, H. Q. 1988. Congestion Control in ISDN Frame‐ Relay Networks. AT&T technical journal, 67, 6:35–46. [Publisher Site]

  43. [43] Rahnema, M. 1991. Frame relaying and the fast packet switching concepts and issues. IEEE Network, 5, 4:18–23. [Publisher Site]

  44. [44] Ali, M. I. 1992. Frame relay in public networks. IEEE Communications Magazine, 30, 3:72–78. [Publisher Site]

  45. [45] Lai, W. S. 1989. Frame relaying service: an overview. In IEEE INFOCOM'89, Proceedings of the Eighth Annual Joint Conference of the IEEE Computer and Communications Societies, 668–673. [Publisher Site]

  46. [46] Dixit, S. and Elby, S. 1996. Frame relay and ATM interworking. IEEE Communications Magazine, 34, 6:64–70. [Publisher Site]

  47. [47] Minzer, S. E. 1989. Broadband ISDN and asynchronous transfer mode (ATM). IEEE Communications Magazine, 27, 9:17–24. [Publisher Site]

  48. [48] Handel, R., Huber, M. N. and Schroder, S. 1998. ATM networks: concepts, protocols, applications. Addison-Wesley Longman Ltd. 

  49. [49] Le Boudec, J. Y. 1992. The asynchronous transfer mode: a tutorial. Computer Networks and ISDN systems, 24, 4:279–309. [Publisher Site]

  50. [50] Suzuki, H., Nagano, H., Suzuki, T., Takeuchi, T. and Iwasaki, S. 1989. Output‐buffer switch architecture for asynchronous transfer mode.International Journal of Digital & Analog Cabled Systems, 2, 4:269–276. [Publisher Site]

  51. [51] Sato, K. I. and Tokizawa, I. 1990. Flexible asynchronous transfer mode networks utilizing virtual paths. In IEEE International Conference on Communications, Including Supercomm Technical Sessions, 831–83.

  52. [52] Kadirire, J. and Knight, G. 1995. Comparison of dynamic multicast routing algorithms for wide-area packet switched (asynchronous transfer mode) networks. In Proceedings of INFOCOM'95, 1:212–219. [Publisher Site]

  53. [53] Okada, T., Ohnishi, H. and Morita, N. 1991. Traffic control in asynchronous transfer mode. IEEE Communications Magazine, 29, 9:58–62. [Publisher Site]

  54. [54] Hajikano, K., Murakami, K., Iwabuchi, E., Isono, O. and Kobayashi, T. 1988. Asynchronous transfer mode switching architecture for broadband ISDN-multistage self-routing switching (MSSR). In IEEE International Conference on Communications,-Spanning the Universe, 911–915.

  55. [55] Chitre, D. M., Gokhale, D. S., Henderson, T., Lunsford, J. L. and Mathews, N. 1994. Asynchronous transfer mode (ATM) operation via satellite: Issues. challenges and resolutions. International Journal of Satellite Communications, 12, 3:211–222. [Publisher Site]

  56. [56] Kalyanaraman, S. 1997. Traffic management for the available bit rate (ABR) service in asynchronous transfer mode (ATM) networks (Doctoral dissertation, The Ohio State University).

  57. [57] Martini, L., Jayakumar, J., Bocci, M., El-Aawar, N., Brayley, J. and Koleyni, G. 2006. Encapsulationmethods for transport of asynchronous transfer mode (ATM) over MPLS networks. IETF RFC4717, Dec. [Publisher Site]

  58. [58] Frost, D., Bocci, M. and Bryant, S. 2010. MPLS Transport Profile Data Plane Architecture. [Publisher Site]

  59. [59] Chen, T. M. and Oh, T. H. 1999. Reliable services in MPLS. IEEE Communications Magazine, 37, 12:58–62. [Publisher Site]

  60. [60] Nakagawa, I., Esaki, H. and Nagami, K. 2002. A design of a next generation IX using MPLS technology. In Proceedings 2002 Symposium on Applications and the Internet (SAINT 2002), 238–245.

  61. [61] Ali, Z. B., Samad, M. and Hashim, H. 2011. Performance comparison of video multicasting over Asynchronous Transfer Mode (ATM) & Multiprotocol Label Switching (MPLS) networks. In 2011 IEEE International Conference on System Engineering and Technology, 177–182. 

  62. [62] Bocci, M. and Guillet, J. 2003. ATM in MPLS-based converged core data networks. IEEE Communications Magazine, 41, 1:139–145. [Publisher Site]

  63. [63] Martini, L., El-Aawar, N., Heron, G., Vlachos, D. S., Tappan, D., Jayakumar, J. and Smith, T. 2001. Transport of layer 2 frames over MPLS. Network Working Group Internet Draft, draft-martini-12circuit-trans-mpls-08. txt, 18.

  64. [64] Xiao, X., Hannan, A., Bailey, B. and Ni, L. M. 2000. Traffic Engineering with MPLS in the Internet. IEEE network, 14, 2:28–33. [Publisher Site]

  65. [65] Acharya, A., Griffoul, F. and Ansari, F. 1999. IP multicast support in MPLS. In IEEE ATM Workshop'99 Proceedings (Cat. No. 99TH8462), 211–218.

  66. [66] Lee, H. H., Kim, B. I., Lee, J. S. and Yim, C. H. 1999. Structures of an ATM switching system with MPLS functionality. In Seamless Interconnection for Universal Services. Global Telecommunications Conference. GLOBECOM'99.(Cat. No. 99CH37042), 1:616–620.

  67. [67] Kocak, C., Erturk, I. and Ekiz, H. 2009. MPLS over ATM and IP over ATM methods for multimedia applications. Computer Standards & Interfaces, 31, 1:153–160. [Publisher Site]

  68. [68] Lee, G. M. and Choi, J. K. 2001. A study of flow-based traffic admission control algorithm in the ATM-based MPLS network. In Proceedings 15th International Conference on Information Networking, 213–218. 

  69. [69] Bocci, M., Aissaoui, M. and Watkinson, D. 2004. Enhancing converged MPLS data networks with ATM, frame relay and ethernet interworking. Journal of the Communications Network, 3, 4:11–17.

  70. [70] Bhandure, M., Deshmukh, G. and Varshapriya, J. N. 2013. Comparative Analysis of Mpls and Non-Mpls Network. International Journal of Engineering Research and Applications (IJERA), 3, 4:71–76.

  71. [71] Jing, Z., Li, L. and Sun, H. 1999. Supporting differentiated services in MPLS-based ATM switches. In Fifth Asia-Pacific Conference on... and Fourth Optoelectronics and Communications Conference on Communications, 1:91–93. [Publisher Site]

  72. [72] Alarcon-Aquino, V., Takahashi-Iturriaga, Y. L., Martinez-Suarez, J. C. and Guerrero-Ojeda, L. G. 2004. MPLS/IP analysis and simulation for the implementation of path restoration schemes. WSEAS Transactions on Computers, 3, 6:1911–1916.

  73. [73] Shimazaki, D., Oki, E., Shiomoto, K. and Yamanaka, N. 2004. GMPLS and IP+ MPLS interworking technologies-routing and signaling. In 2004 Workshop on High Performance Switching and Routing, 2004. HPSR, 27–31.

  74. [74] Kang, S., Choi, B. C., Choi, C. S., Jeong, Y. K. and Lee, Y. K. 2000. IP forwarding engine with VC merging in ATM-based MPLS system. In Proceedings Ninth International Conference on Computer Communications and Networks (Cat. No. 00EX440), 459–462.

  75. [75] Ooms, D. and Livens, W. 2000. IP multicast in MPLS networks. In ATM 2000. Proceedings of the IEEE Conference on High Performance Switching and Routing (Cat. No. 00TH8485), 301–305.

  76. [76] Hunt, R. 2002. A review of quality of service mechanisms in IP-based networks—integrated and differentiated services, multi-layer switching, MPLS and traffic engineering. Computer Communications, 25, 1:100–108. [Publisher Site]

  77. [77] Shawl, R. Q., Thaker, R. and Singh, E. J. 2014. A Review: Multi Protocol Label Switching (Mpls). Department of Computer Science Engineering, BUEST, Baddi (HP). 

  78. [78] Yilmaz, S. and Matta, I. 2002. Scalability-performance tradeoffs in MPLS and IP routing. In Scalability and Traffic Control in IP Networks II, 4868:69-78. International Society for Optics and Photonics. [Publisher Site]

  79. [79] Hong, C. Y., Kandula, S., Mahajan, R., Zhang, M., Gill, V., Nanduri, M. and Wattenhofer, R. 2013. Achieving high utilization with software- driven WAN. In ACM SIGCOMM Computer Communication Review, 43, 4:15–26. [Publisher Site]

  80. [80] Stephens, B., Cox, A., Felter, W., Dixon, C. and Carter, J. 2012. PAST: Scalable Ethernet for data centers. In Proceedings of the 8th international conference on Emerging networking experiments and technologies , 49–60. [Publisher Site]

  81. [81] Mahajan, R. and Wattenhofer, R. 2013. On consistent updates in software defined networks. In Proceedings of the Twelfth ACM Workshop on Hot Topics in Networks, 20. [Publisher Site]

  82. [82] Reitblatt, M., Foster, N., Rexford, J., Schlesinger, C. and Walker, D. 2012. Abstractions for network update. ACM SIGCOMM Computer Communication Review, 42, 4:323–334. [Publisher Site]

  83. [83] Agarwal, K., Dixon, C., Rozner, E. and Carter, J. 2014. Shadow macs: Scalable label-switching for commodity ethernet. In Proceedings of the third workshop on Hot topics in software defined networking, 157–162. [Publisher Site]

  84. [84] Casado, M., Koponen, T., Shenker, S. and Tootoonchian, A. 2012. Fabric: a retrospective on evolving SDN. In Proceedings of the first workshop on Hot topics in software defined networks, 85–90. [Publisher Site]

  85. [85] Raghavan, B., Casado, M., Koponen, T., Ratnasamy, S., Ghodsi, A. and Shenker, S. 2012. Software-defined internet architecture: decoupling architecture from infrastructure. In Proceedings of the 11th ACM Workshop on Hot Topics in Networks, 43–48. [Publisher Site]

  86. [86] Rothenberg, C. E., Nascimento, M. R., Salvador, M. R., Corrêa, C. N. A., Cunha de Lucena, S. and Raszuk, R. 2012. Revisiting routing control platforms with the eyes and muscles of software-defined networking. In Proceedings of the first workshop on Hot topics in software defined networks, 13–18. [Publisher Site]

  87. [87] Manel, M. and Habib, Y. 2017. An Efficient MPLS-Based Source Routing Scheme in Software-Defined Wide Area Networks (SD-WAN). In 2017 IEEE/ACS 14th International Conference on Computer Systems and Applications (AICCSA), 1205–1211.

  88. [88] Dong, X., Guo, Z., Zhou, X., Qi, H. and Li, K. 2017. AJSR: An efficient multiple jumps forwarding scheme in software-defined WAN. IEEE Access, 5:3139–3148. [Publisher Site]

  89. [89] Wood, M. 2017. How to make SD-WAN secure. Network Security, 1:12–14. [Publisher Site]

  90. [90] Sollars, M. 2018. Love and marriage: why security and SD-WAN need to go together. Network Security, 10:10–12. [Publisher Site]

  91. [91] Wood, M. 2017. Top requirements on the SD-WAN security checklist. Network Security, 7:9–11. [Publisher Site]

  92. [92] Michel, O. and Keller, E. 2017. SDN in wide-area networks: A survey. In 2017 Fourth International Conference on Software Defined Systems (SDS), 37–42. [Publisher Site]

  93. [93] Golani, K., Goswami, K., Bhatt, K. and Park, Y. 2018. Fault Tolerant Traffic Engineering in Software-defined WAN. In 2018 IEEE Symposium on Computers and Communications (ISCC), 1205–1210). [Publisher Site]

  94. [94] Alvizu, R., Maier, G., Troia, S., Nguyen, V. M. and Pattavina, A. 2017. SDN-based network orchestration for new dynamic Enterprise Networking services. In 2017 19th International Conference on Transparent Optical Networks (ICTON), 1–4. [Publisher Site]

  95. [95] Gilchrist, A. 2016. Iiot wan technologies and protocols. In Industry 4.0 Apress, Berkeley, CA, 161–177. [Publisher Site]

  96. [96] Gordeychik, S. and Kolegov, D. 2018. SD-WAN Threat Landscape. arXiv preprint arXiv:1811.04583. 

  97. [97] Kouicem, D. E., Fajjari, I. and Aitsaadi, N. 2017. An enhanced pathcomputation for wide area networks based on software defined networking. In 2017 IFIP/IEEE Symposium on Integrated Network and Service Management (IM), 664–667. [Publisher Site]

  98. [98] Edgeworth, B., Prall, D., Barozet, J. M., Lockhart, A. and Ben-Dvora, N. 2016. Cisco Intelligent WAN (IWAN): Cisc Inte Wide Area Netw. Cisco Press. 

  99. [99] Mitchell, D. W. From MPLS to Software-Defined Wide Area Network. 

  100. [100] Abdelfattah, M. 2019. Current Trends in Using the Software-Defined WAN.

  101. [101] Chen, Y., Wu, Q., Zhang, W. and Liu, Q. 2018. SD-WAN Source Route Based on Protocol-oblivious Forwarding. In Proceedings of the 8th International Conference on Communication and Network Security, 95–99. [Publisher Site]

  102. [102] Šeremet, I. and Čaušević, S. Evolving IP/MPLS network in order to meet 5G requirements. 

  103. [103] Korsakov, S. V. and Sokolov, V. A. 2019. On the way to SD-WAN solution. Моделирование и анализ информационных систем, 26, 2:203–212. [Publisher Site]

  104. [104] Yevdokymenko, M. 2019. MPLS Traffic Engineering Solution of Multipath Fast ReRoute with Local and Bandwidth Protection. Advances in Computer Science for Engineering and Education II, 938, 113. [Publisher Site]

  105. [105] Dhakulkar, P. A., Dubey, P. S., Gaikwad, A. A. and Dhokane, S. P. Software Defined Wide Area Network.

  106. [106] Lemeshko, O., Yevdokymenko, M., Yeremenko, O., Hailan, A. M., Segeč, P. and Papán, J. 2019. Design of the Fast ReRoute QoS Protection Scheme for Bandwidth and Probability of Packet Loss in Software-Defined WAN. In 2019 IEEE 15th International Conference on the Experience of Designing and Application of CAD Systems (CADSM), 1–5. [Publisher Site]

  107. [107] Kim, D., Kim, Y. H., Park, C. and Kim, K. I. 2018. KREONET-S: Software-Defined Wide Area Network Design and Deployment on KREONET. IAENG International Journal of Computer Science, 45, 1.

  108. [108] Hong, C. Y., Kandula, S., Mahajan, R., Zhang, M., Gill, V., Nanduri, M. and Wattenhofer, R. 2013. Achieving high utilization with software- driven WAN. In ACM SIGCOMM Computer Communication Review, 43, 4:15–26. [Publisher Site]

  109. [109] Ahmed, R. and Boutaba, R. 2014. Design considerations for managing wide area software defined networks. IEEE Communications Magazine, 52, 7:116–123. [Publisher Site]

  110. [110] Han, B., Gopalakrishnan, V., Ji, L. and Lee, S. 2015. Network function virtualization: Challenges and opportunities for innovations. IEEE Communications Magazine, 53, 2:90–97. [Publisher Site]

  111. [111] Gupta, A., Vanbever, L., Shahbaz, M., Donovan, S. P., Schlinker, B., Feamster, N. and Katz-Bassett, E. 2014. Sdx: A software defined internet exchange. In ACM SIGCOMM Computer Communication Review, 44, 4:551–562. [Publisher Site]

  112. [112] Tego, E., Matera, F., Attanasio, V. and Del Buono, D. 2014. Quality of service management based on Software Defined Networking approach in wide GbE networks. In 2014 Euro Med Telco Conference (EMTC), 1–5. [Publisher Site]


Received: 2019-12-05
Revised: 2020-02-24
Accepted: 2020-02-26
Available Online: 2020-03-01

Cite this article:

Badotra, S., Panda, S.N. 2020. A survey on software defined wide area network. International Journal of Applied Science and Engineering, 17, 59–73.