Software Defined Networking: Advantages, Architecture, and Products

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Software Defined Networking

Abstract
Information communication technology has become a necessity in the daily functioning of
companies and individuals. With these technologies there has been a development in the
network requirement that needs to be met, these include; reliable accessibility, high
network bandwidths and furthermore effective management of the network. The
traditional methodologies, such as manual configurations and monitoring have proven to
be error-prone and thus lack the ability to satisfy the current users' requirements.
Advancement in the field of Information Technology has also invented technologies that
are meant to counter the challenges in manual maintenance of network processes. The
ability to do real-time monitoring and tools has contributed to more advanced technologies
in the field of cloud model; these are Network Function Virtualization and Software Defined
Networking (SDN). SDN technology is used to change how the network system functions. In
addition, it can also be implemented in data centers networks and data centers.

Table of Contents
Abstract...................................................................................................................................................1
Introduction.............................................................................................................................................3
Purpose...................................................................................................................................................3
Description..............................................................................................................................................4
What is SDN?.......................................................................................................................................4
SDN Architecture.................................................................................................................................4
SDN Components.................................................................................................................................6
Pros & Cons: 5 Advantages & 5 Disadvantages........................................................................................6
Product 1: SD-WAN (Software- Defined Wide-Area network).................................................................8
Product 2: HYCU......................................................................................................................................9
Comparison...........................................................................................................................................10
Conclusion.............................................................................................................................................11
Referencing...........................................................................................................................................11

Introduction
The current applications have network requirements that are effective and efficient, this
has been contributed with the introduction of technologies like computer virtualization.
The network devices that are present in the network have been configured with IP
addresses, the addition of an extra device into the network is seemingly difficult. The use of
old methods to manage and maintain this network has become tedious thus the need for
introducing Software Defined Networking (Chou, Luo and Lin, 2015).
The basic functionality of the SDN is to offer a solution to the encountered challenges. The
structure of the SDN, that is an aggregated and centralized control panel, help in solving
these challenges. The core activity is that it distinguishes the control panel and the data
panel, thus offering the ability to program the control panel.
Software Defined Networking is a networking framework that was implemented to allow
programming the network; this is with the desire of ensuring that it was much easier to
introduce new devices or applications, as well as increasing the network performance
(Jarschel, Zinner,, Hoßfeld,, Tran-Gia, and Kellerer, 2014).
Purpose
The report below gives the definition of the Software Defined Networking. This is in
reference to its architecture and its implementation in the current industry. There are
three major uses or advantages that come with implementing SDN technology, they include
(Nadeau, Thomas, and Ken Gray , 2013):
For security purposes
It has made it possible for the network administrator to secure their network from a
centralized position. Thus securing the resources within a network system, mostly where
virtualization has been implemented
Hardware usage
The use of the SDN technology has transformed the usage of hardware facilities since the
network administrators can assign functions to active hardware thus enhancing the
effectiveness of the hardware tools.
Centralization