Businesses send and receive more data than before. Because of this, many companies now use a DIA Network (Dedicated Internet Access) to support video meetings, cloud platforms, and real-time apps used every day. These activities need internet connections that are fast and stable. In the past, many companies used normal broadband internet. Broadband is shared with many users in the same area. Because of this, the speed can become slow during busy hours. So, this can affect work and online services.
Because of this problem, many organizations now use a DIA Network, which means Dedicated Internet Access. With this type of connection, a business gets its own private internet link. So, the speed stays stable and predictable. Research from Global Growth Insights shows the Dedicated Internet Access market was worth USD 79.45 billion in 2025 and may reach USD 260.23 billion by 2035. This shows that a reliable internet is very important for business operations.
Large companies such as hyperscalers, telecom providers, OTT providers, and enterprises depend on strong internet connections. So, choosing the right network solution is an important decision. A DIA Network is often part of this choice. In this article, we explain what a DIA connection is, how it works, and how it is different from MPLS and Ethernet.
What is a DIA network?
A DIA Network is a dedicated internet connection where a business gets its own private link to the internet. The connection is not shared with other users. Normal broadband connections share bandwidth with many users in the same network. Because of this, the speed can change during busy hours. A DIA connection is different. The full bandwidth is reserved for one customer. This keeps the internet speed stable.
Another important feature is symmetric bandwidth. This means the upload speed and download speed are the same. For example, a company with a 1 Gbps DIA connection gets 1 Gbps download speed and 1 Gbps upload speed. This is useful for companies that send large files, upload videos, or back up data to the cloud.
DIA network services also include a Service Level Agreement (SLA). This is a promise from the service provider. It guarantees uptime, performance, and low delay. Demand for DIA services continues to grow. Research from Vertical Systems Group shows strong growth in DIA services in the Ethernet services market.
What is the difference between DIA network and MPLS?
The difference between DIA network and MPLS is that DIA gives dedicated internet access, while MPLS connects company locations through a private network.
Key differences include:
Purpose
- DIA connects businesses directly to the public internet.
- MPLS connects offices and data centers through a private network.
Traffic type
- DIA carries public internet traffic such as websites and cloud platforms.
- MPLS carries private traffic between company locations.
Internet access
- DIA provides direct internet access.
- MPLS usually needs another connection for internet access.
Cloud usage
- DIA works well for cloud services because traffic goes directly to the internet.
- MPLS traffic may pass through a central network before reaching cloud services.
Many organizations use both solutions. MPLS connects internal company networks, while DIA provides reliable internet access.
Choosing the right connectivity partner
Understanding the difference between DIA, MPLS, and Ethernet helps companies build a stronger network. A DIA Network gives a dedicated internet connection with stable speed and performance. This type of connection is useful for companies that need reliable internet. MPLS connects offices and data centers through a private network. Ethernet is the basic technology used in many business network services.
Cloud services continue to grow. Because of this, companies need internet connections with higher capacity. Businesses, telecom providers, hyperscalers, and OTT providers depend on strong fiber networks to run their services. Dark fiber is also an important part of this system. It allows network operators to use their own equipment on special fiber lines. This gives them control over bandwidth, routing, and network performance.
ARNet is a dark fiber infrastructure provider in Southeast Asia. Its fiber network covers more than 10,000 km across Malaysia, Indonesia, Singapore, and Thailand. The network connects key locations such as data centers, subsea cable landing stations, and enterprise campuses. The network uptime is above 99.99%. Businesses in Southeast Asia can use this network to support high-capacity services like DIA Network.
About the Author
Nabila Choirunnisa, Digital Marketing Executive at ARNet