SONET Communications Archives

Tag: SONET Communications

SONET (Synchronous Optical Network) is a standardized protocol that transfers multiple digital bit streams over optical fiber using lasers or LEDs. Originating in the U.S., it was designed to support the real-time, high-reliability needs of telecommunication companies. Here are its key aspects:

Standardization: SONET provides a standardized frame format and a set of signal rates, making network interoperability possible across different manufacturers’ equipment.

Scalability: With its hierarchical design, SONET allows for various transmission rates, enabling networks to scale according to their bandwidth needs.

Synchronous Multiplexing: SONET employs synchronous multiplexing, which means all lower-level signals are synchronized to a universal clock, simplifying the multiplexing process and allowing for efficient bandwidth utilization.

Protection Mechanisms: One of the hallmarks of SONET is its robust protection mechanisms. With features like automatic protection switching, the network can quickly switch to backup paths in the event of a failure, ensuring continuous service.

Overhead Information: SONET frames include a significant portion dedicated to overhead, which is used for operations, administration, maintenance, and provisioning. This allows for robust network management and fault detection.

Physical Layers: SONET relies on a dual-fiber ring topology, where data can be sent over both fibers for redundancy.

Compatibility: Though SONET is a North American standard, it is compatible with the international standard, SDH (Synchronous Digital Hierarchy). This compatibility allows for international interconnectivity between networks.

SONET has been foundational for telecommunication networks for years, especially before the widespread adoption of Ethernet in metro and wide-area networks. It provides a reliable, high-capacity backbone for voice, data, and video traffic.

US 8,341,257

Grid proxy architecture for network resources

8341257 Grid proxy architecture for network resources: A Grid Proxy Architecture for Network Resources (GPAN) is proposed to allow Grid applications to access resources shared in communication network domains. GPAN bridges Grid services serving user applications and network services controlling network devices through its proxy functions such as resource data and management proxies. Working with Grid resource index and broker services, GPAN employs distributed network service peers (NSP) in network domains to discover, negotiate and allocate network resources such as bandwidth for Grid applications. An elected master NSP is the unique Grid node that runs GPAN and represents the whole network to share network resources to Grids without Grid involvement of network devices. GPAN provides the Grid Proxy service (GPS) to interface with Grid services and applications, and the Grid Delegation service (GDS) to interface with network services to utilize network resources. Resource-based XML messaging is employed for the GPAN proxy communication.
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8341257 Grid proxy architecture for network resources: A Grid Proxy Architecture for Network Resources (GPAN) is proposed to allow Grid applications to access resources shared in communication network domains. GPAN bridges Grid services serving user applications and network services controlling network devices through its proxy functions such as resource data and management proxies. Working with Grid resource index and broker services, GPAN employs distributed network service peers (NSP) in network domains to discover, negotiate and allocate network resources such as bandwidth for Grid applications. An elected master NSP is the unique Grid node that runs GPAN and represents the whole network to share network resources to Grids without Grid involvement of network devices. GPAN provides the Grid Proxy service (GPS) to interface with Grid services and applications, and the Grid Delegation service (GDS) to interface with network services to utilize network resources. Resource-based XML messaging is employed for the GPAN proxy communication.
READ MORE