Overview
SEJONG Networks’ IPLC service provides reliable and dedicated global connectivity to meet customers’ diverse communication needs. Utilizing international submarine cable systems, it offers a fully private network that ensures security and stable performance. This high-quality point-to-point service enables seamless transmission of data, voice, and video conferencing traffic between overseas offices and data centers.
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- Land Landing Overview of Submarine Cable

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- Status of Submarine Cable Connection

Key Features
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- Network Control and Technical Support
- Our Network Control Center provides 24/7 monitoring and technical support through both domestic backbone and international network management systems.
- In the event of a network fault, our on-duty engineers are available around the clock to ensure rapid detection and recovery.
- SEJONG Networks operates a nationwide network management system that guarantees uninterrupted operations 24 hours a day, 365 days a year.
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- High Reliability through Network Redundancy
- Built on a dualized backbone ring topology, our network ensures continuous service with automatic switchover in the event of a circuit fault.
- Both domestic and international transmission equipment are configured with full redundancy and supported by backup systems for maximum reliability.
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- Service Level Agreement (SLA)
- SEJONG Networks guarantees the quality and performance of its International Private Leased Circuit (IPLC) service under clearly defined SLA terms.
- Network Availability Targets
• Core Network Availability: 99.995%
• End-To-End Availability: 99.95% - Basic SLA
• End-To-End Network Availability: 99.86%
Service Structure

Type of IPLC
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- Bilateral Service
- A service jointly provided by SEJONG Networks and an overseas carrier, where each provider is responsible for its respective segment of the transmission line. SEJONG Networks manages the domestic segment, while the overseas carrier provides the international segment at the foreign site.
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- Whole Circuit Service
- A fully managed end-to-end service that delivers a complete international circuit through SEJONG Networks’ global submarine cable infrastructure. Customers can simply contact SEJONG Networks to receive a one-stop solution covering all components of the circuit.
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- NSP (Network Service Provider) Service
- This service enables direct interconnection between the global Internet backbone and overseas networks through SEJONG Networks’ international Points of Presence (PoPs) and submarine cable systems. It provides high-quality global Internet access optimized for international communication needs.
Inquiry for use
E-mail: globalsalesteam@sejongnetworks.com
Customer Center: (+82)1688.1000