DWDM/SDH
Our advanced network solutions use SDH and DWDM technologies. They enable fast, high-capacity data transmission over long distances. They also provide high-speed connections, support growth, and ensure reliable service. And by this, they help businesses and communities stay connected and thrive.
SDH/DWDM
Harnessing the Power of SDH and DWDM Technologies for High-Capacity, Long-Distance Data Transmission. Our Cutting-Edge Network Solutions Deliver Unparalleled Speed, Scalability, and Reliability, Empowering Businesses and Communities .
Dense Wavelength Division Multiplexing
Introduction
In this era of digital information, the capacity requirement of every user increased exponentially over the last decades. Thus, Dense Wavelength Division Multiplexing (DWDM) has become a critical optical communication technology that significantly enhances network bandwidth by transmitting multiple data channels over a single optical fiber using different wavelengths. DWDM is essential for modern telecommunication networks, enabling high-capacity, efficient data transmission.
Enhancing DWDM with CDC-F Technology:
- Colorless: Any wavelength can be used on any port
- Directionless: Wavelengths can be routed in any direction within the network
- Contention less: Multiple instances of same wavelengths can be added or dropped simultaneously from different direction Wavelengths can be routed in any direction within the network
- Flexgrid: Provides flexible grid spacing for wavelengths, allowing for more efficient use of the optical spectrum and enabling the support of higher data rates
ASON Tech
- Dynamic Routing: Automatically finds and establishes the best path for data transmission, optimizing network performance and resource utilization
- Fast Provisioning: Enables rapid setup and teardown of optical connections, reducing time-to-service and improving network agility
- Resilience and Restoration: Provides automatic fault detection and recovery, ensuring high network reliability and minimal downtime
- Scalability: Supports large, complex networks with dynamic traffic patterns, making it ideal for evolving network environments
Applications of DWDM with CDC-F and ASON Technologies
- Data Centers: Facilitates high-capacity, low-latency interconnects between data centers, supporting cloud computing and large-scale data storage.
- Enterprise Networks: Provides secure, high-performance communication channels for large enterprises with dynamic traffic demands.
- 5G Networks: Supplies the necessary infrastructure to support high-speed, low-latency 5G services, accommodating future network advancements.
- Disaster Recovery: Ensures rapid recovery and continued service in the event of network failures or disasters through automated restoration.
By Integrating DWDM with CDC-F and ASON technologies Fiber@Home represents the forefront of optical communication advancements, delivering unmatched flexibility, scalability, and reliability. Fiber@Home is the first one to deploy 400G lambda and CDC-F technology in Bangladesh. These technologies ensure that networks can meet the increasing demands for high-speed data transmission, adaptability, and robustness in an ever-evolving digital landscape. By leveraging CDC-F and ASON, a future-proof network is built that supports a wide range of applications and services with enhanced efficiency and performance.
Applications of DWDM Technology
Backbone Networks
DWDM is commonly used in backbone networks to interconnect different network elements and provide high-speed data transmission from Cable Landing Station(CLS) to Data centers (DC) along with robust long-haul network nationwide.
Metro Networks
DWDM technology ensures robust and reliable connectivity optimizing fiber capacity and maximizing network efficiency in metro environments by scaling effortlessly and adapting to growing bandwidth demands
Mobile Backhaul
SDH/DWDM plays a crucial role in mobile network backhaul, enabling the efficient transport of data between base stations and core networks
Enterprise Connectivity with Quantum Safe Encryption:
Dense Wavelength Division Multiplexing (DWDM) is employed in enterprise networks to facilitate data, voice, and video services with exceptional reliability and performance. It incorporates quantum-safe encryption technology standards, featuring automatic key generation and distribution that minimizes reliance on human intervention for security.
Synchronous Digital Hierarchy (SDH)
Introduction
Synchronous Digital Hierarchy (SDH) technology revolutionized the telecommunications industry by providing a standardized method for transmitting high-speed digital data across optical fiber networks. SDH offers reliability, high capacity, and the ability to support multiple data formats multiplexing onto a single optical fiber, optimizing network efficiency and performance.
Key Features of SDH
Standardization and Compatibility: is globally standardized by the International Telecommunication Union (ITU-T) under the G.707, G.783, and G.803 recommendations, ensuring compatibility across different manufacturers and networks.
High Capacity: supports high-capacity transmission rates starting from 155.52 Mbps (STM-1) and scaling up to 40 Gbps and beyond, making it suitable for modern high-bandwidth applications.
Flexibility and Scalability: SDH framework allows easy integration and scalability of networks, enabling seamless addition of new services and bandwidth upgrades without major overhauls.
Multiplexing and Cross-Connects: enables the multiplexing of lower-order signals into higher-order ones and offers robust cross-connect capabilities for efficient data routing and switching.
Synchronization: provides precise synchronization of network elements, ensuring data integrity and minimizing errors, which is crucial for applications such as voice and video transmission.
Network Management: networks come with comprehensive management capabilities, allowing for proactive monitoring, fault detection, and performance management through the use of Operation, Administration, Maintenance, and Provisioning (OAMP) tools.
Despite the emergence of newer technologies such as Dense Wavelength Division Multiplexing (DWDM) and Internet Protocol (IP)-based networks, SDH remains a backbone for many telecommunication infrastructures due to its robustness and reliability. It often operates in conjunction with these newer technologies, complementing them and providing a stable foundation for a hybrid network environment.