📘 A Practical Guide for SMEs

What Is SD-WAN?
Why Hong Kong Small Businesses Need It

When cash registers lose internet access and delivery platforms stop receiving orders, the real cost of network downtime becomes clear. This guide explains in plain English how SD-WAN can help.

AIIT Practical Guide for SMEs · Written around the realities of Hong Kong SMEs

Let’s start with a scenario you may be familiar with

During the busiest lunch hour, the cash register suddenly loses internet access. Delivery platforms stop receiving orders, and electronic payments fail. Staff must immediately switch to cash while customers queue. You call your broadband provider, only to be told an inspection is scheduled.

At that moment, what you lose is not simply the ability to “go online”; it isreal money and business. SD-WAN solutions are designed to reduce the risk of such outages.

What Is SD-WAN? In Plain English

SD-WAN stands for Software-Defined Wide Area Network. You don't need to memorise the technical term—just remember the three things it does:

  1. Uses more than one network line simultaneouslyFor example, a fixed broadband line with 4G/5G as backup.
  2. Automatically selects the best-performing lineImportant traffic (payments, video conferencing) uses the more stable line, while less critical traffic (downloads and updates) uses the other.
  3. Automatically switches to another line if one failsYou and your customers may not even notice the disruption.

Add one more feature your boss will really appreciate:Centralized managementIf you have multiple branches, you can view each outlet's network status in one place without visiting them individually.

Which Hong Kong SMEs especially need this

  • Food & Beverage: Cash registers, takeaway platforms and electronic payments all rely on the internet; an outage brings everything to a halt.
  • Retail: Inventory and Member systems are cloud-based, so an unstable internet connection disrupts front-of-house operations.
  • Multi-location businesses: With no IT staff, someone in each store still needs to oversee the network.
  • Clinics and education centres: Booking and class scheduling systems cannot go down at any time.
  • Offices relying on cloud-based systems: Documents, accounting and customer data are all in the cloud; an internet outage means work stops.

Situations where it may not be necessary

If you have a small office with a few staff, mainly use the web and email, and losing internet for half a day would not cause immediate financial loss, you may not need a full solution. Standard broadband and a good-quality router should be enough. We will not make an unnecessary company buy things just to do business with us.

When choosing a plan, pay attention to these four things:

1. Do you need to buy the hardware yourself?

Some plans require you to buy the hardware outright, while others include it in the service fee. AIIT includes a free Firewall Router with its AI FlowRouter, so you do not need to pay a large upfront hardware cost.

2. Who is responsible for monitoring it?

After many companies purchase equipment, no one checks the logs or updates it, making it effectively useless. You need to clarify: will you only find out after an incident, or will someone proactively notify you?

3. Can you understand the reports?

If every monthly report is full of technical metrics, it is meaningless to you. A useful report should tell you which days were slower, which branch had the most issues, and what you should watch out for.

4. How is on-site service charged?

Cases that cannot be handled remotely, such as physical line issues or hardware replacement, will always arise. Be sure to clarify the on-site service charge. AIIT charges HK$380 per visit and will only arrange a visit after explaining and agreeing the charge with you.

AIIT's approach

AI FlowRouter costs HK$1 per endpoint per day, starting from 10 endpoints, so 10 endpoints cost HK$300 per month. A Firewall Router is provided free and centrally managed by AIIT, with 24/7 AI monitoring of traffic and anomalies. A monthly Cantonese report keeps you informed of your network health.

We will not promise “no downtime” — no one can. What we do is monitor, notify, handle issues remotely, and make everything easy for you to understand.

Details:AI FlowRouter Product Page · Tell us about your company, and we will advise whether it is suitable.

❓ FAQ

FAQ

I only have one shop. Do I need SD-WAN?

If you have only one location, a few devices, and few network issues, you may not need it. However, if your shop’s POS system, delivery platforms, or cloud systems stop working whenever the connection drops, network management and backup are already worth investing in.

Is SD-WAN just faster broadband?

No. SD-WAN focuses on managing multiple connections rather than increasing the speed of a single line. It allocates traffic as needed and automatically switches to another connection if one fails.

How is it different from an ordinary router?

An ordinary router generally just connects your devices to the internet. An SD-WAN solution centrally manages networks across multiple locations and provides traffic visibility, connection failover, and remote configuration, making it suitable for businesses that need reliability and ongoing support.

How much does the AIIT solution cost?

AI FlowRouter costs HK$1 per endpoint per day, starting from 10, so 10 plans cost HK$300 per month. A Firewall Router is provided free. The initial minimum prepaid period is six months, with top-up and monthly deductions. On-site service is an additional HK$380 per visit.

📩 Want to discuss your company's situation?

Leave us your email, and we'll go through everything with you item by item.

You tell us what you need, and we’ll tell you what’s included, what’s not, and the cost. No hard sell.

→ Go to the contact form  ·  or email us directly info@aiit.com.hk

→ See other practical guides for Hong Kong SMEs

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