Transport Functionality, Gfp, 10-2 | Cisco Systems ONS 15600

Chapter 10 Ethernet Operation

10.2 Transport Functionality

Each ASAP 4-port I/O (ASAP_4PIO) PIM is hot-pluggable while other ports on other PIMs are functioning. Each SFP is also hot-pluggable.

Layer 1 Ethernet transport is implemented for Gigabit Ethernet (GE) interfaces. GE traffic is encapsulated by generic framing procedure (GFP), ITU X.86, or Cisco high-level data link control/LAN extension (HDLC/LEX) and mapped into a SONET payload.

The data path processing consists of:

•Optical-to-electrical conversion (O/E) and electrical to optical (E/O) on the ASAP_4PIO PIM

•Gigabit Ethernet to Ethernet over SONET (EoS) mapping (for the GE ports only)

Note For a single flow of Gigabit Ethernet, traffic can be mapped to an STS-48c. This choice limits maximum usable Ethernet ports to eight when all are mapped to STS-48c. Any time an STS-48c is used for an Ethernet connection, one-eighth of the total card bandwidth is consumed on the EoS mapper.

Ethernet facilities on the ASAP card include:

•Ethernet ports can be provisioned on a multirate PPM.

•Encapsulation methods allowed for the Ethernet ports are:

–Cisco HDLC/LEX

–GFP

–ITU X.86

•Provisioning of an Ethernet port automatically provisions a POS port for the connection and circuit.

10.2Transport Functionality

Figure 10-1shows the transport of Ethernet frames into a SONET path using the ASAP carrier card in the ONS 15600.

Cisco ONS 15600 Reference Manual, R7.2

10-2

ONS 15600 specifications

Cisco Systems ONS 15600 is a highly versatile optical networking platform designed to meet the demands of modern telecommunications and data services. This multiservice edge platform supports various transmission mediums and offers a wide array of features that enable efficient data transport. Ideal for service providers and large enterprises, the ONS 15600 is engineered to provide scalable and reliable optical transport solutions.

One of the notable features of the ONS 15600 is its capability to support multiple protocols, including SONET/SDH, Ethernet, OTN, and legacy TDM services. This flexibility allows users to tailor their networks according to specific service requirements while ensuring interoperability with existing infrastructure. The platform is designed to facilitate seamless service migration, accommodating both legacy and next-generation services.

The modular architecture of the ONS 15600 enhances its scalability. It allows for easy expansion by incorporating additional line cards or interface modules without requiring significant downtime. This modularity ensures that service providers can evolve their networks over time, responding to increasing bandwidth demands and new service offerings with ease.

Incorporating advanced technologies, the ONS 15600 employs Dense Wavelength Division Multiplexing (DWDM), significantly increasing the capacity of fiber networks by allowing multiple signals to be transmitted simultaneously over a single optical fiber. This capability helps to optimize fiber utilization and reduce operational costs. In addition, the platform supports Optical Transport Network (OTN) for improved error detection and correction, contributing to higher reliability and performance.

Another key characteristic of the ONS 15600 is its robust management capabilities. The platform can be managed through Cisco's Optical Networking Manager (ONM), providing a centralized interface for network configuration, monitoring, and troubleshooting. This enhances operational efficiency and minimizes downtime, allowing service providers to focus on delivering quality services to their customers.

The ONS 15600 also prioritizes security, offering various features like encryption and access control to safeguard sensitive data during transmission. With its combination of scalability, flexibility, and security, the Cisco ONS 15600 stands out as a reliable choice for organizations looking to enhance their optical networking capabilities while meeting the evolving demands of the digital landscape. Its commitment to quality and performance makes it a cornerstone of modern optical networks.

Cisco Systems ONS 15600 manual Transport Functionality, Gfp, 10-2

Models: ONS 15600