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Private Network · Secure Connectivity

Enterprise Private Network Services for Isolated Internal Traffic.

Connect servers, applications, databases, storage and backup systems through private, VLAN-based connectivity. Keep internal communication off public network paths and stay in control of how your infrastructure talks to itself.

Private VLAN Dedicated and segmented VLANs for each workload.
Isolated Traffic Keep internal data flows away from public routing.
Multi-Server Networking Connect application, database and storage nodes privately.
Custom Architecture Addressing, VLANs and segmentation designed around you.
Layer 2 & Routed Options RFC1918 Addressing Firewall Integration Cross Connect Integration
Private Network Proposal FREE NETWORK REVIEW

Request a Private Network Proposal

Share your servers and private connectivity requirements. Our network team will review them and recommend a VLAN and addressing design.

Optional — details help our team plan the right network design. 0 / 1500
Secure submission Network team review Custom VLAN design
What is a private network

Keep Internal Infrastructure Off the Public Network

A private network provides isolated connectivity between infrastructure components, so internal communication does not need to traverse the public internet.

HostGraber private networks connect application servers, databases, storage nodes, backup systems and management networks through dedicated private addressing and VLAN-based architecture.

  • Isolate

    Keep internal communication away from public routing

  • Connect

    Link multiple servers and infrastructure components

  • Segment

    Create separate networks for applications and services

  • Scale

    Expand private connectivity as infrastructure grows

How a private network isolates internal trafficInternet traffic reaches only the application servers. The application servers connect through a private VLAN network to database, storage and backup systems, which have no public route.PUBLICNO PUBLIC ROUTEInternetPublic trafficApp serversPublic + privatePrivate networkVLAN · RFC1918Isolated internaltrafficDatabase serversPrivate IPs onlyStorage nodesCompute to storageBackup networkReplication traffic
Illustrative. VLANs, addressing and topology are designed around your infrastructure.
Why private networking

More Control Over Infrastructure Communication

Private networking separates the traffic your systems exchange internally from the traffic your users send publicly, giving you a cleaner and more controlled architecture.

Traffic isolation

Separate internal data flows from public network traffic.

Improved security

Reduce unnecessary public exposure of internal systems.

Predictable connectivity

Keep internal communication within controlled network paths.

Network segmentation

Separate workloads by function or security requirement.

Scalable architecture

Add nodes and networks as your environment expands.

Custom network design

Build private networking around your application architecture.

Request Private Network Proposal
Private network solutions

Private Connectivity for Every Infrastructure Role

From two servers to a multi-VLAN enterprise environment, private networks are designed around how your systems communicate.

  • Server-to-server network

    Connect multiple dedicated servers through private infrastructure. Dedicated servers

  • Database private network

    Keep database communication separate from public-facing traffic.

  • Storage network

    Connect compute nodes to storage infrastructure through private paths.

  • Backup network

    Separate backup and replication traffic from production. Backup storage

  • Management network

    Restricted connectivity for administrative operations.

  • Custom private network

    Multi-VLAN, segmented architectures for complex environments.

Network comparison

Public Network vs Private Network

Public networking serves your users. Private networking serves your infrastructure. Most production environments are designed with both.

AttributePublic networkPrivate network
Internet reachableYesNo, or controlled
Internal trafficPublic path possiblePrivate path
Network isolationLimitedDesigned for isolation
Typical useWeb and public servicesDatabase, storage and internal systems
Best suited toPublic-facing servicesInternal infrastructure

Need to control traffic between segments? Explore firewall services →

Technical capabilities

Private Networking, Engineered to Your Topology

Private networks at HostGraber are planned with your servers, addressing, security and interconnection requirements in view.

Network type

Private Layer 2 and routed options

VLAN

Dedicated and segmented VLAN options

Private addressing

RFC1918 and custom address planning

Servers

Multi-node private connectivity

Firewall

Inter-VLAN security integration

Cross connect

Integration for eligible deployments

Monitoring

Private network monitoring options

Architecture

Custom network design available

Plan Your Private NetworkDiscuss on WhatsApp
Why HostGraber

Private Networking With Infrastructure Expertise

Build private connectivity alongside servers, storage, BGP, firewalls, DDoS protection, monitoring and managed infrastructure, through a single infrastructure partner.

Talk to Our Network Team
  • VLAN architecture
  • Private IP planning
  • Multi-server networking
  • Firewall integration
  • Cross connect integration
  • Network consulting
  • Isolated internal traffic
  • Reduced public exposure
  • Room to scale
Use cases

Private Networks for Multi-Server Infrastructure

  1. 01

    Application clusters

    Connect application nodes and load-balanced services internally.

  2. 02

    Database replication

    Keep replication between database servers on private paths.

  3. 03

    Private cloud

    Interconnect hypervisors, storage and management networks.

  4. 04

    Storage networks

    Link compute nodes to storage infrastructure privately.

  5. 05

    Backup traffic

    Move backup and replication traffic off production networks.

  6. 06

    SaaS infrastructure

    Separate public application tiers from internal services.

  7. 07

    GPU clusters

    Connect GPU servers and data nodes within a private network.

  8. 08

    Enterprise networks

    Segment departments, applications and management systems.

Deployment process

From Requirement Review to Go-Live

  1. 01REVIEW

    Requirement review

    We review your servers, applications and traffic requirements.

  2. 02DESIGN

    Network design

    VLANs, addressing and segmentation are planned.

  3. 03PROVISION

    Provisioning

    The approved private network configuration is provisioned.

  4. 04TEST

    Testing

    Connectivity and traffic flow between endpoints are validated.

  5. 05SCALE

    Go-live and scale

    Workloads launch, and networks expand as required.

Start Your Requirement Review
Private network insights

Enterprise Private Network Architecture: Isolation, Segmentation and Planning

An overview for IT and infrastructure teams running multi-server environments: why internal traffic should be isolated, how VLAN segmentation is structured and what to prepare before deployment.

Why isolate internal infrastructure traffic

In a multi-server environment, most traffic is internal: application servers querying databases, compute nodes reading from storage, and backup systems replicating data. When this traffic shares public interfaces, internal services may be exposed unnecessarily and compete with user-facing traffic.

A private network gives internal communication its own isolated path. Systems that never need to be reached from the internet, such as databases, storage and backup infrastructure, can be designed to communicate over private connectivity alone, reducing the public attack surface.

VLAN-based segmentation

VLANs divide a private network into logical segments, each carrying a specific type of traffic. A typical segmentation model is shown below; the final design is based on your server roles and security requirements.

SegmentNetworkTypical traffic
VLAN 10Application networkCommunication between application servers
VLAN 20Database networkDatabase queries and replication
VLAN 30Storage / backupStorage access, backup and replication
VLAN 40Management networkRestricted administrative access
Custom VLANDesigned around your architectureAs required by your environment

Private addressing and IP planning

Private networks use RFC1918 address space, which is reserved for internal use and is not routed on the public internet. The standard ranges are 10.0.0.0/8, 172.16.0.0/12 and 192.168.0.0/16.

A structured address plan assigns a defined subnet to each VLAN, avoids overlap with existing office or cloud networks and leaves room for growth. HostGraber supports both RFC1918 and custom address planning, and can align private addressing with your public IP services.

Controlling traffic between segments

Segmentation is most effective when communication between VLANs is governed by policy. Firewall controls can be incorporated between network segments, so that, for example, only application servers can reach the database network and management access is restricted to approved administrators.

For a complete security architecture, private networking is commonly combined with a firewall for inter-VLAN policy and DDoS protection for public-facing services.

Planning a private network deployment

The following information allows our network team to assess requirements and propose a design efficiently:

  • Number of servers and the role of each (application, database, storage, backup)
  • Which systems must communicate with each other, and which must be separated
  • Required VLANs and any existing private IP ranges
  • Firewall requirements between segments
  • Cross connect, colocation or future expansion needs

Share these details through the private network proposal form and our team will recommend an appropriate architecture.

Private network glossary

Key Private Network Terminology

Private network
Isolated connectivity between infrastructure components that does not require internal traffic to traverse the public internet.
VLAN
Virtual LAN: a logically separated network segment running on shared physical infrastructure.
Layer 2 network
A network in which connected systems share the same broadcast domain and communicate directly.
Routed network
A network design in which traffic between subnets passes through a routing layer.
RFC1918
The standard that reserves IPv4 address ranges for private use: 10.0.0.0/8, 172.16.0.0/12 and 192.168.0.0/16.
Subnet
A defined block of IP addresses assigned to a network segment.
Network segmentation
Dividing infrastructure into separate networks so traffic between them can be controlled.
Inter-VLAN traffic
Communication between different VLANs, typically governed by firewall or routing policy.
Replication traffic
Data copied between systems, such as database replicas or backup targets, to keep them synchronised.
Cross connect
A direct physical connection between two parties within a data centre.
Frequently asked questions

Private Network Questions Answered

Have a question about your topology? Share your servers and connectivity requirements and our network team will advise.

Ask Our Network Team
What is a private network?

A private network provides isolated connectivity between infrastructure components without requiring internal traffic to traverse the public internet.

Can I connect multiple dedicated servers privately?

Yes. Eligible server deployments can be interconnected through private networking according to the required topology.

Do you support private VLANs?

Yes. Private VLAN and segmented network options can be designed according to your infrastructure requirements.

Can database servers use only private IPs?

Database systems can be designed to use private connectivity where the application architecture and operational requirements allow it.

Can I separate backup traffic from production traffic?

Yes. A separate VLAN or private network can be used for backup, replication and storage traffic.

Can a firewall be used between private VLANs?

Yes. Firewall controls can be incorporated between network segments to restrict inter-VLAN communication.

Can private networks be expanded later?

Yes. Additional servers, VLANs and network segments can be added, subject to the deployment architecture and available infrastructure.

Can HostGraber design a custom private network?

Yes. Private network architecture can be designed around server roles, VLAN requirements, security policies, storage and application topology.

Do all servers on a private network need public IP addresses?

No. Only servers that deliver public-facing services require public connectivity. Internal systems such as databases and storage can be designed to communicate over the private network, where the architecture allows.

How do I get started with a private network?

Complete the private network proposal form with your number of servers and network requirements. Our network team will review your environment and recommend a VLAN and addressing design.

Enterprise private network

Connect Privately. Scale With Confidence.

Tell us about your servers and connectivity requirements. Our network team will recommend a private network design.

Request Private Network Quote Discuss on WhatsApp
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