GTAC Deploys Infinera mTera Switching and Transport Solution in Mexico

GTAC (Grupo de Telecomunicaciones de Alta Capacidad) in Mexico had started deploying Infinera’s mTera universal switching and transport solution in Mexico. mTera solutions would scale long-haul service capacity and increase the efficiency of high-speed fiber optic backbone network owned by GTAC In Mexico.

The mTera solutions from Infinera, deployed in Mexico interconnects major cities including Mexico City, Estado de México, Guadalajara, Puebla, Hermosillo, Queretaro, and Ciudad Juarez, among others. As part of this deployment, GTAC partnered with the Infinera global services organization to deploy and turn up end-user customer services over 51 sites in 10 weeks.

What is an Optical Transport Network (OTN)?

The network elements in an optical network are connected by the optical fiber link. If you draw a line diagram of an optical network, it would be easier to get the picture of an optical transport network. Different elements in an optical link perform different functions such as generation, transmission, multiplexing, switching, managing, supervising and also redundant functionalities. , able to provide the functionality of transport, multiplexing, switching, management, supervision, and survivability all dedicated towards the transportation of client signals. This is called the Optical Transport Network (OTN).

OTN was designed to provide support for optical networking using wavelength-division multiplexing (WDM) unlike its predecessor Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH).

OTN is also called Digital Wrapper Technology or Optical Channel Wrapper. ITU-T Recommendations G.709 deals with the OTN requirements.

OTN is an advanced telecom industry standard protocol to provide an efficient and globally accepted way to multiplex different services onto optical signals. We are living in an era of data explosion. This is an indication for the years to come. Telecommunication industry needs to evolve quickly to respond to these data explosions from all around the world.

The nature of the signals that were being carried by the telecommunication networks has changed. We were talking about voice signals passing through an optical fiber, but now the network traffic has become packet-based generated by multiple connected devices in an unpredictable pattern, putting pressure on bandwidth and transmission performance. OTN wraps each client payload into a container to transmit along the optical fiber. OTN keeps the client data structure in its native form, timing, and management information. OTN allows different traffic types, including Ethernet, storage, and digital video, as well as SONET/SDH—to be carried over a single Optical Transport Unit frame.

What is Infinera’s mTera Universal Switching and Transport Solution?

The Infinera mTera Universal Transport Platform (UTP) provides Optical Transport Network (OTN), Multiprotocol Label Switching-Transport Profile (MPLS-TP), Carrier Ethernet and SONET/SDH switching at the electrical layer, with the option of an integrated dense wavelength-division multiplexing (DWDM) layer based on reconfigurable optical add-drop multiplexer (ROADM)-on-a-blade technology. The mTera UTP supports 7 terabits per second (Tb/s) of universal switching capacity per shelf, with up to 12 Tb/s of total switching capacity per rack.

Universal Switching of OTN, Packet and SONET/SDH
Universal Switching of OTN, Packet and SONET/SDH (image courtesy: Infinera)

mTera UTP provides an option to converge electrical and optical switching. This enables network operators to reduce Capex and Opex. Network owners do not need to keep multiple devices and therefore it reduces the inventory of costly equipment. Also, they could be benefitted from decreased power consumption and fewer network elements to install, manage and maintain.

Operators can easily reassign physical resources between switching types to quickly respond to changes in traffic patterns and provision new services as customer requirements evolve. The agnostic universal fabrics of the mTera UTP enable high adaptability to keep pace with dynamic transformation in metro, regional and long-haul networks.

Features of mTera UTP

– Adapt to changing traffic patterns and service demands with the ability to define any interface/virtual interface for OTN, MPLS-TP or Carrier Ethernet switching

– Minimize 100 Gigabit (100G)+ interface costs with efficient native grooming of OTN, packet, and SONET/SDH onto the same high-speed wavelength

– Reduce operational costs, such as space and power, by converging electrical switching with optical layer technologies including flexible grid route-and-select ROADM-on-a-blade, Raman, optical time-domain reflectometer (OTDR), colorless/directionless (CD) and colorless/directionless/contentionless (CDC) add/drop

– Deliver Metro Ethernet Forum Carrier Ethernet 2.0-certified services leveraging the mTera UTP’s scalable and feature-rich packet switching

– Migrate SONET/SDH to next-generation packet-optical technologies including MPLS-TP, Carrier Ethernet, OTN and up to 1.68 Tb/s of STS-1/VC-4 switching

– Maximize network and service availability with Y-cable, subnetwork connection (SNC) protection, G.8031 Virtual Local Area Network (VLAN) protection, G.8032 Ethernet Ring Protection (ERP), G.8131 MPLS-TP protection, Automatically Switched Optical Network (ASON)/Generalized Multiprotocol Label Switching (GMPLS) and Virtualized Control Plane for ASON (vASON) restoration.

GTAC

A Mexican fiber optic communication solutions provider, who improves on high-speed high-bit-rate transmission and provide high-bandwidth solutions to its customers.

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Author: Thomas Mathew

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