ESUN Technology International

Full dynamic peering and redundancies

ESUN Premium Internet(PI) is a high-quality enterprise WAN service aiming to optimize the global network access and ensure network stability, reliability for the delivery of "zero interruption" connections to customer critical oversea services.

Dynamic peering with CT, CU and CM.
Full redundancy without single point of failure
SLA options up to 99.99%, depending on service design and deployment needs.

Flexible access and routing optimization

DIA access and P2P private line.
Dedicated public IP resources.
symmetrical bandwidth.
Routing optimization based on customer requirements.
24/7 support.

Local Delivery & Managed Service Capabilities in China

Carrier‑grade delivery

Local deployment, on‑site installation, and cutover support across all major cities
Reuse of existing DIA access lines for rapid rollout
End‑to‑end project management aligned with operator processes

Powered by Fortinet SD‑WAN technology

Built on FortiOS with integrated NGFW, ZTNA and FMG/FAZ functions
Fortinet‑certified engineers ensuring professional configuration and tuning
Seamless integration with global Fortinet deployments of operator partners

ESUN’s local backbone & POP advantages

Multiple POPs in China interconnected via ESUN backbone
Optimized routing for domestic cloud, IDC, and key application traffic
Enhanced performance for hybrid cloud and teleworking scenarios

Full lifecycle managed service

24×7 bilingual NOC for monitoring, alerting, and incident handling
Configuration updates, security policy maintenance, and proactive troubleshooting
Managed CPE service for branch sites

Overseas Optimization

High-performance integrated networking:

Our networking solution enjoys high reliability and quality via deeply integrating ESUN PI with Fortinet SD-WAN. ESUN PI are dynamically peered with multiple providers BGP and provide exclusive international exports to ensure network performance, and to significantly optimize the experience of overseas access.

Flexible deployment model and wide suitability:

The solution supports upgrade and new setup. Customers existing resources (such as DIA) can be reused, which significantly reduce deployment costs and complexity. It perfectly supports various business scenarios including hybrid cloud and teleworking.

Integrated security and intelligent management:

The solution adopts unified FortiOS operating system of Fortinet, which natively integrates next-generation firewall (NGFW), zero-trust network access (ZTNA) and SD-WAN functions.

Professional service guarantee of full life circle:

Our services ranging from pre-sales consultation, customized solutions and implementation to after-sales and maintenance, include 7x24 bilingual hotline and proactive monitoring , all of which follow the ITIL standards.

Network / Server / Application Monitoring with Zabbix

What ESUN Provides

Design & Deployment: Zabbix environment setup tailored to customer requirements
Managed Operations: ESUN operates and maintains the Zabbix platform on behalf of customers
Monitoring Coverage: Supports network devices, servers, VMs, and applications
Customized Dashboards & Reports: ESUN creates and delivers dashboards, alerts and periodic reports

How ESUN Adds Value

Certified Expertise: ESUN’s engineering team holds multiple official Zabbix certifications (e.g., ZCP), ensuring professional configuration and optimization
Flexible Engagement Models: Services delivered on a man-day or project basis
Integrated Support: Alerts monitored by ESUN NOC with 24×7 escalation and incident handling
Lower Customer Overhead: ESUN hosts or manages the monitoring system, reducing customer workload

Powered by Zabbix

Supports Agent, SNMP, IPMI, HTTP, API and other protocols
Intelligent alerting & event correlation
Centralized visualization for quick fault diagnosis

Network Outsourcing

What We Deliver

Internet service sourcing, including Premium IPMAN, basic DIA, and broadband, from the most competitive incumbent carriers with coverage

Why Choose ESUN

Unified delivery with a single point of contact for provisioning, fault reporting and billing
Consistent service experience across regions
Multi-carrier flexibility: selection of the most suitable carrier per site
Lower prices by ESUN sourcing and negotiating with the local ultimate providers
Simplified operations: one invoice, one support channel, one delivery team
24/7 bilingual support and clear SLA’s

MPLS

VPLS

ESUN delivers a managed Hybrid MPLS service designed for customers with geographically distributed sites, such as retail chains, dealerships, and multi-branch enterprises. The service enables customers to build and operate an MPLS network with flexible connectivity options, cost-effective access methods, and rapid deployment, while ESUN takes responsibility for network design, carrier coordination, and ongoing operations. Service coverage includes Mainland China and Hong Kong.

Service scope includes

Proactive network monitoring by ESUN NOC
24×7 helpdesk and incident coordination
Defined SLAs based on city tiers
Customer service portal for visibility and reporting

Features and benefits

01

Traffic prioritisation through defined Classes of Service (CoS)

Voice, multimedia, and business-critical traffic are prioritised according to service policies defined and managed by ESUN.

02

MPLS-based core network

Customer sites are interconnected via a fully redundant MPLS core, supporting access technologies such as Metro Ethernet and EoSDH.

03

Managed CPE

ESUN provides 24×7 monitoring, maintenance, and lifecycle management of customer-end routers.

04

Flexible access options

DSL, Fast Ethernet, and Gigabit Ethernet circuits are supported, allowing flexible last-mile selection based on site requirements.

05

High availability with customisation

Dual-link designs are supported, including primary links with IPsec backup, to enhance service resilience.

ESUN delivers a managed VPLS service providing a cost-effective, flexible, and scalable Layer 2 connectivity solution for enterprise customers. The service supports multiple network topologies, including point-to-point, point-to-multipoint, and full mesh, with bandwidth options ranging from 2 Mbps to 100 Mbps, and upgrades up to 1 Gbps on request. Using standard Ethernet interfaces (IEEE 802.3), the service enables customers to interconnect sites without additional infrastructure investment, while ESUN manages service delivery and operations.

Service scope includes

Proactive network monitoring by ESUN NOC
24×7 helpdesk and incident coordination
Defined SLAs based on city tiers
Customer service portal for visibility and reporting

Features and benefits

01

Standard Ethernet interface

Supports widely deployed Ethernet-based equipment, reducing customer-side complexity and cost.

02

VLAN-based service design

Customer-defined addressing schemes and routing policies are supported within the VPLS environment.

03

Local loop connectivity

Access via Metro Ethernet and EoSDH to support reliable local site connections.

04

Managed CPE

ESUN provides 24 × 7 monitoring and maintenance of customer-end routers.

05

Flexible bandwidth upgrade

Granular bandwidth selection from 2 Mbps to 100 Mbps, with scalable upgrades up to 1 Gbps as business needs evolve.