Point-to-Point Connectivity: Guide for Businesses (2026)

Reliable, secure network connections have become a business necessity. In many cases, no connection, no productivity – and no revenue. Point-to-point connections services are used by many large corporations to ensure their WAN (wide area network) is up at all times.

What Do We Mean by a Point-to-Point Connection?

Point-to-point connections, sometimes called a point-to-point link, P2P links, private line, or leased line, securely connect two locations using a Layer 2 data connection, building a closed network. Data on these connections doesn’t travel on the public internet, where it could be vulnerable to hackers or cyberattacks. Point-to-point connections are extremely secure, so much so that only limited data encryption may be necessary when using them. However, if an extremely high degree of security is required, think government or finance, some carriers offer encryption with their point-to-point services.

When Is Point-to-Point the Right Choice?

Point-to-point connections are available in a range of service levels, but they’re most commonly used for high-bandwidth (the amount of data that can be transmitted in a specific window of time) and low latency (the delay between the user’s action and the network’s response). Point-to-point connections also have minimal packet loss, which occurs when small units of data or “packets” never reach their destination.

Point-to-point connections can deliver these high service levels because data always travels back and forth in the same way across a dedicated route. When businesses use the public internet, their data may be routed differently at different times or rerouted to reach its destination. With a point-to-point connection, data travels a predictable path, meeting customer expectations (and provider promises) for a high quality of service (QoS).

Point-to-point connections are valuable in a wide range of use cases. They’re most often used when establishing secure cloud or data center connections, facilitating large file transfers, protecting data in transit to a disaster recovery backup solution, providing users with secure WAN access, supporting glitch-free video streaming, or supporting applications where performance is imperative.

Wave circuits are another high bandwidth WAN option that are often used in similar situations to P2P lines. Check out our blog on the differences between Point to Point Leased Lines and Wavelength Services, if you haven't already!

Common Point-to-Point Connectivity Mediums

Common point-to-point connectivity mediums Point-to-point connectivity can be delivered over several mediums: Fiber optics carry massive bandwidth at low latency across cities and campuses, and are the most common enterprise choice. Wireless point-to-point (microwave or radio) bridges two locations without trenching fiber, which is useful across difficult terrain or where construction is impractical. Leased lines, including a traditional dedicated leased line over copper or fiber, are rented from a carrier and remain a dependable option for predictable, always-on links.

What to Consider Before Choosing Point-to-point Service

Although point-to-point connections offer a range of benefits to businesses and organizations, they also require more of a commitment of time and resources than using public internet connectivity.

First, these connections are unmanaged links. The user typically provides all of the hardware necessary for the connection and is responsible for troubleshooting the link unless one end of the connection needs repair from the provider.

Next, even though point-to-point connection services are offered with service level agreements (SLAs), the customer will agree to participate in meeting them. For example, the user also bears the responsibility for managing traffic prioritization and queuing, usually assigning a network administrator with the knowledge and skill to classify network traffic by importance and schedule it. The business’s ability to successfully take on these tasks will contribute to high-priority data getting where it needs to be and, ultimately, meeting levels of speed and reliability.

Finally, potential point-to-point service users need to consider costs. P2P pricing has continued to soften as dark fiber and wavelength services compete for the same traffic. That said, P2P leased lines may not be your cheapest option for a multi-site network you plan to scale over time. For a full analysis on how P2P lines and other WAN connectivity services are priced, check out our Wide Area Networking Pricing Guide!

Choosing a Point-to-Point Service Provider

Most major providers, such as Lumen, AT&T, Verizon, Zayo, and Crown Castle, offer dedicated internet access (DIA), waves, and MPLS also offer point-to-point connectivity options. You may also have providers in your region who provide this service, depending on where your facilities are located. SLAs, install intervals, and customer experience will vary by carrier, but the major variable at play will be who is near-net at your A and Z locations when determining which providers to engage for a bid.

If you’re interested in point-to-point connectivity, we can take in your specs and provide apples-to-apples quote options from multiple providers on your behalf for free. Simply fill out our questionnaire if you’d like a quote.

Did you enjoy this blog? You should check out our blogs on dark fiber and SD-WAN vs MPLS, if you haven’t already!

FAQ

What is point-to-point connectivity?

Point-to-point connectivity is a private, dedicated link that connects exactly two locations, bypassing the public internet. It delivers high bandwidth, low latency, and strong security, which makes it well suited to mission-critical traffic.

Is point-to-point internet illegal?

No. Point-to-point business connectivity is a legitimate private line offered by major carriers. The confusion comes from peer-to-peer (P2P) file sharing, which is a different technology; a point-to-point connection between two business sites is fully legal.

Is PON better than Ethernet for point-to-point?

It depends on the goal. A passive optical network (PON) shares one fiber across many endpoints and is cost-efficient for broad distribution. Point-to-point Ethernet gives two sites a dedicated fiber with guaranteed bandwidth and lower contention, which is usually preferred for business point-to-point connections.

Is PPP still used today?

Yes. The Point-to-Point Protocol (PPP) is still used to establish direct links in many WAN and broadband scenarios, including some DSL and leased-line connections. It remains a common way to authenticate and frame data on a point-to-point connection.

What mediums are used for point-to-point connections?

Point-to-point connections run over fiber optics, wireless microwave or radio, or a dedicated leased line over copper or fiber. Fiber suits high-bandwidth enterprise links, wireless avoids trenching across difficult terrain, and leased lines provide predictable, always-on service.

How do I get point-to-point connectivity quotes?

To get point-to-point connectivity quotes, share your A and Z locations and bandwidth needs, then compare providers that are near-net at both sites. Lightyear takes your specs and returns apples-to-apples quotes from multiple point to point WAN providers on your behalf.