5G-Crosshaul: An SDN/NFV Integrated Fronthaul/Backhaul Transport Network Architecture

This article proposes an innovative architecture design for a 5G transport solution (dubbed 5G-Crosshaul) targeting the integration of existing and new fronthaul and backhaul technologies and interfaces. At the heart of the proposed design lie an SDN/NFV-based management and orchestration entity (XC...

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Bibliographic Details
Published in:IEEE wireless communications 2017-02, Vol.24 (1), p.38-45
Main Authors: Costa-Perez, Xavier, Garcia-Saavedra, Andres, Xi Li, Deiss, Thomas, de la Oliva, Antonio, di Giglio, Andrea, Iovanna, Paola, Moored, Alain
Format: Article
Language:English
Subjects:
5G mobile communication
Cloud computing
Computer architecture
Ethernet
Network slicing
Optical packet switching
Ports (Computers)
Process control
Provisioning
Resource management
Software-defined networking
Technological planning
Wireless networks
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Summary:This article proposes an innovative architecture design for a 5G transport solution (dubbed 5G-Crosshaul) targeting the integration of existing and new fronthaul and backhaul technologies and interfaces. At the heart of the proposed design lie an SDN/NFV-based management and orchestration entity (XCI), and an Ethernet-based packet forwarding entity (XFE) supporting various fronthaul and backhaul traffic QoS profiles. The XCI leverages widespread architectural frameworks for NFV (ETSI NFV) and SDN (Open Daylight and ONOS). It opens the 5G transport network as a service for innovative network applications on top (e.g., multi-tenancy, resource management), provisioning the required network and IT resources in a flexible, cost-effective, and abstract manner. The proposed design supports the concept of network slicing pushed by the industry for realizing a truly flexible, sharable, and cost-effective future 5G system.
ISSN:1536-1284
1558-0687
DOI:10.1109/MWC.2017.1600181WC