Carrier Ethernet Design

Ethernet technology is designed in 1972 for LAN requirements, but after successful deployment in LAN networks, it is a technology of choice in MAN and WAN area networks. Carrier Ethernet services are the extensions of Ethernet technology, which provides wide range of services, defined in Metro Ethernet Forum (MEF), to connect different customer sites together. This technology overcomes the limitations of legacy technologies: layer 1 TDM and layer 2, for carrying metro services.
The main purpose of deploying carrier Ethernet services is to provide the following:

  • Low cost of Ethernet chips and ports
  • Ability to provide of Point-to-Point, Point-to-Multipoint and Multipoint-to-Multipoint services
  • Quality of Service (QoS) and Service Level Agreements (SLAs)
  • Same technology used in LAN, MAN, WAN area networks
  • Scalability to higher speeds
  • Ease of use
  • No requirement for learning new technology for WAN
The deployment of Carrier Ethernet is through various transport technologies: Ethernet over Fiber, Ethernet over SDH/SONET, Ethernet over MPLS and etc.
As it is already mentioned, one of the Carrier Ethernet attributes is service management and quality of service. It is important to manage customer’s traffic efficiently from Customer Equipment (CE) to Provider Edge (PE), due to SLAs. In a Carrier Ethernet network, bandwidth profiles give providers the ability to offer different services per UNI, based on port, VLAN and Class of Service (CoS).
Fava Pars offers consultancy services for carrier Ethernet and Ethernet over MPLS (EoMPLS) deployments. Our service in this area includes:
  • Analyzing business requirements and goals, financial and regulatory limitations
  • Analyzing technical goals and requirements
    • Analyzing required availability
    • Analyzing required scalability
    • Analyzing required manageability
  • Estimation of the number of subscribers by service and geographical area
  • Estimation of every subscriber traffic by service and geographical area
  • Estimation of traffic volume by service and geographical area
  • Logical network design
  • Determining the required capabilities of network equipment
  • Designing IP address allocation plan
  • Developing network implementation RFP
  • Supervision on network implementation and acceptance test

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