Solutions

Optical Protection Solutions - Overview
Today’s optical networks require high availability. Solutions for these needs vary, based on the application and the use of redundant resources.
Lynx addresses two main types of networks: DWDM core networks and the access fiber networks.
The DWDM core network carries large amounts of traffic per fiber over long distances. One such fiber carries from 32 wavelengths of 2.5Gbit/s each up to more than 100 wavelengths of 10Gbit/s each. These high-value networks are designed for high-availability, providing protected services to many customers who use them. A Lynx protection system for such networks includes the following unique capabilities:
Lynx addresses two main types of networks: DWDM core networks and the access fiber networks.
The DWDM core network carries large amounts of traffic per fiber over long distances. One such fiber carries from 32 wavelengths of 2.5Gbit/s each up to more than 100 wavelengths of 10Gbit/s each. These high-value networks are designed for high-availability, providing protected services to many customers who use them. A Lynx protection system for such networks includes the following unique capabilities:
- Monitor redundant resource within a network path/channel for all possible failures: malfunction of equipment (transponders/regenerators, amplifiers), fiber breaks, degradation (e.g., of fiber segments between amplifiers or regenerators), etc.
- Protection of fibers that carry multiple wavelengths in both directions on the same fiber.
- Providing dual-ended protection, ensuring that in case of a uni-directional failure both directions of the traffic are switched, avoiding latency differences between service directions (critical in certain deployments).
- Operate within a carrier CO environment
To learn more about Lynx DWDM network protection, see:
Core DWDM Network Protection Solutions
The access fiber network connects the CPE (Customer Premises Equipment) via fiber to the carrier metro switch or router in the CO. In some cases, the CPE is supplied and owned by the carrier, in which case the access link needs to support remote management from a centralized carrier site. In other cases, the CPE is owned by the customer (enterprise), requiring transparency to the carrier’s transport mechanism. Following are some of the benefits of Lynx solutions for access network protection:
Core DWDM Network Protection Solutions
The access fiber network connects the CPE (Customer Premises Equipment) via fiber to the carrier metro switch or router in the CO. In some cases, the CPE is supplied and owned by the carrier, in which case the access link needs to support remote management from a centralized carrier site. In other cases, the CPE is owned by the customer (enterprise), requiring transparency to the carrier’s transport mechanism. Following are some of the benefits of Lynx solutions for access network protection:
- Low cost
- Low end-to-end insertion loss to minimize the impact on the link budget (maximize fiber reach).
- In-band management for carrier–owned CPE
- Protection of bi-directional WDM fibers that carry both traffic directions on a single fiber, using a different wavelength per direction
- Protection of CPE line-cards when redundant fiber is prohibitive
To learn more about Lynx access fiber network protection solutions, see:
Access Fiber Network Protection Solutions
For information about optical protection products, click:
Optical Protection Products
Access Fiber Network Protection Solutions
For information about optical protection products, click:
Optical Protection Products

