Business Requirements

Planning – Network Design Requirements

5 Aug 2018

Office Cabling ,Network Cabling After receiving the requirements for a network, it is common for designers to prioritize their implementation and integrate them into the format of the design. Occasionally, they initially rely on best practices, instead of focusing on planning. This is unfortunate because the planning process often leads to discovering multiple viable design solutions.

Designers should first make business-centric decisions determining either the solution or design that supports the company’s objectives or strategy. Although it is advisable to follow best practices for network design, reliance on them is more typical on occasions when a network is being designed from the ground up, which is usually not the case for large service providers and enterprises.

Let’s consider optimizing office buildings as a comparison. The standard procedure for civil engineers and architects is to perform an evaluation of a building by identifying existing problems, understanding the organization’s goals, and gathering business requirements. Afterwards, they begin optimizing the office building’s existing features. As examples, this may involve replacing the elevators or expanding the lobby.

The above is similar to the procedure for revamping network design. There will always be faulty designs that were poorly planned. Sometimes they are unable to scale, or adopt emerging technologies, or adapt to changing business conditions. Thus, designers must first make a comprehensive study of the existing business problems, IT requirements, and network design. Next, they should develop solutions that will optimize the present architecture. This may entail redesigning several components of the network. It can also require the addition of a new data center.

In order to choose the correct design choices and technologies, network designers must gather the necessary information that will allow them to make a sound analysis during the planning stage. This also lets them correctly determine the new requirements that will support the company’s business goals. At this point, network designers typically utilize the decision tree and the decision matrix for easing and simplifying the process.

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Typical Installation Mistakes of Network Cabling – Part 1

25 Jul 2018

Stu Kushner

Data Cabling ,Cat5e ,Cat6/6a ,Cabling ,Structured Cabling

Creating the Requirements of Network Design

5 Jul 2018

Stu Kushner

Data Cabling ,Cat5e ,Cat6/6a ,Cabling ,Structured Cabling Various requirements that are skillfully combined during the implementation phase can result in a desired network design that helps attain a company’s business goals. Below is a classification of requirements for an organization. Some may be directly provided by the network design team while others may be determined from the goals or requirements of the company.

Business Goals

Decreasing operational costs

Expanding business via additional remote sites

Increasing staff productivity

Decrease expenses for the maintenance of multiple voice & data networks

Provide support for expanding business via additional remote sites

Raise staff productivity by improving internal communications via mobile and video devices, while safeguarding company security

Functional Requirements

Ability to introduce and support new remote sites to the network without redesign

Infrastructure supporting data, video, voice, and wireless in a unified manner

Isolation of guest and employee wired and wireless traffic to comply with standard company security policy

Application Requirements

When an organization plans to add video and VoIP capability to their network, particular application requirements must be met. In such instances, the network design must be capable of providing sufficient network availability, efficiency, and performance for these two new features to support business goals.

Technical Requirements

In order to attain the above example’s functional and application requirements in consideration of the company’s business goals, the network design must have the following features:

High Availability – Raise the level of high availability in order to support traffic crucial to business, such as data and voice.

Quality of Service (QoS) – User experience can be greatly improved through the introduction of QoS in order to attain excellent voice and video services.

Scalability – Implement scalable network (WAN) design for supporting growth of business projected for the coming 12 months.

Security – Network security must be optimized when new features such as voice and Wi-Fi security are added.

Traffic Isolation – Provide traffic isolation to meet information security requirements.

Progressive Office Cabling

The Principles of Network Design – Part 4

29 Mar 2018

Stu Kushner

Office Cabling Network Cabling As discussed in Part 3, a company’s network design should help the organization meet its Business Requirements, give it Business Continuity capability, and provide the adequate Elasticity to allow it to cope with business developments. Part 4 will cover How IT Enables Business Innovation.

How IT Enables Business Innovation

Modern businesses use IT technology to innovate and improve their customer service. When an emerging technology can enable a company to be more competitive in the marketplace and raise customer satisfaction, it will be typically acquired by the business, and its features will be integrated into its network.

A great example of the above is the rapid growth of cloud-based data centers, which are allowing new companies to drastically decrease their capital expenditure and allowing their scaling at will. However, they will still require a high performing data center that has the qualities of flexibility and reliability.

Requirements

A company’s industry and how it began will help a network designer to quickly grasp its underlying requirements. It is obvious banking will certainly need information security. Thus, the network design for banking has to provide the required security capabilities to be adopted by the industry. Moreover, a designer must keep in mind the industry’s standards that are applicable to IT infrastructure and services.

Priorities

Every organization makes priorities that revolve around its business objectives. They should be factored in an IT network infrastructure’s planning and design. Keeping in mind a company’s priorities will help produce a network that successfully supports its business activities.

Suppose an organization’s network for business communication requires (as numbered in importance of priority): 1) collaboration, 2) interactivity, and 3) mobile access. Accordingly, the first two features required must be provided prior to satisfying the third requirement.

In conclusion, a network designer must be cognizant of a company’s business priorities in order to be able to successfully create a network that serves its needs.

Progressive Office Cabling

The Principles of Network Design – Part 3

24 Mar 2018

Stu Kushner

Network Cabling, Structured Cabling As discussed in Part 2, Top-Down Logic is used for the process of Preparation, Planning, Design, Implementation, Operation, and Optimization (PPDIOO). In addition, network designers must determine the Scope of Design prior to the collection of data and planning. Part 3 will cover Business Requirements, Continuity, and Elasticity.

Requirements

Figuring out what an organization needs requires having an understanding of its current objectives, mission statement, and future plans. Knowledge of these should guide the business-driven aspects of the network design. Using a top-down approach, a business’s goals, drivers, requirements, continuity, and strategy will determine its business applications, technical and functional requirements, and network infrastructure solutions.

Continuity

Business continuity is a company’s ability to continue doing business after a system outage caused by a man-made or natural disaster that has damaged a data center. An organization needs a disaster recovery plan to develop its resiliency in the face of such disasters. Various parts of its network may need to be more resilient due to regulatory compliance.

Elasticity

Elasticity is an organization’s level of flexibility when responding to business developments. This typically refers to a change in business objectives or conditions, including growth, recession, merger, acquisition, etc. Therefore, a company’s network design must have adequate flexibility in order to fulfill its business requirements and strategic goals. A designer’s comprehension of the overall trends of the organization’s business sector will provide valuable guidance in the design’s features that provide flexibility.

The design of a network must give an organization the flexibility that will allow it to perform integrations with other networks. This will usually be required when mergers and acquisitions take place. It is important to note that during a merger or acquisition, the network may undergo considerable growth during a very brief period. In such circumstances, the most daunting challenge for network designers is having to handle the various design principles, conflicting control plane protocols, and overlaps in IP address spaces of the networks being integrated.

Part 4 will cover “How IT Enables Business Innovation.”

Progressive Office Cabling

The Principles of Network Design – Part 2

20 Feb 2018

Stu Kushner

Data Cabling ,Network cabling, DC As discussed in Part 1, the Top-Down Approach for network design provides several advantages, especially when its implementation is business-driven. Part 2 will cover the topics of Top-Down Logic and Scope of Design.

Top-Down Logic

The top-down network design approach is capable of utilizing top-down logic in conjunction with the process of Preparation, Planning, Design, Implementation, Operation, and Optimization (PPDIOO) as summarized by the following bullet points: