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About this Research Topic

Manuscript Submission Deadline 14 November 2022
Manuscript Extension Submission Deadline 12 December 2022

Software-Defined Networking (SDN) has been well accepted by the networking industry as the way to transform enterprise, data center, service provider, carrier, and campus networks. SDN enables differentiated new services faster than ever before, simplifies the network, and lowers the total cost of ownership. In the long term, SDN, combined with Network Functions Virtualization (NFV), are expected to further radically and dramatically transform not only telecommunication networks, campus, enterprise and data centers networks, but also accelerate the introduction of smart cities/homes/cars/businesses and green infrastructures.

With this Research Topic we would like to attract contributions related to the the issues and the best practices developed that have been developed with respect to existing network migrations of Internet Service Provider (ISP) and Telecommunication (Telcos) networks into Software-Defined Networking. This fundamental first step will open up a wide range of possibilities to existing ICT solutions.

Software-Defined Networking (SDN) is already a well-established networking paradigm. It has a successful story of implementation in the data center network, while its implementation in telecommunications (Telco) and Internet service provider (ISP) networks worldwide is a subject of ongoing research and implementation. The bigger paradigm shifts in network operation and management between legacy networking and SDN create challenging issues about migrating the existing ISP/Telco’s legacy network into SDN. Existing networking equipment (switches, routers) cannot be replaced/upgraded readily due to many critical factors, for example, higher capital and operational expenditure, security, quality of service during transition, skilled human resources and many more.

Broadly three approaches have been defined for SDN implementation and migration, these are: (a) Legacy to Greenfield, (b) Legacy to mixed, and (c) Legacy to hybrid. For the real time implementation of network migration, hybrid IP/SDN migration has been gaining momentum. Worldwide researchers and major Internet/network service providers are planning to migrate their networks, however, the secure and cost effective approach with actionable steps for the operational network migration in the real time is still a matter for ongoing research.

The areas of interest for this Research Topic include, but are not limited to:

- Operational status of ISP/Telcos network
- Network migration issues, challenges, and solutions
- Migration path/approaches to SDN
- Policies/Roadmap in SDN/5G network migrations
- Intent and Policy-based management for network migration
- Intelligent approaches to SDN/5G networks migration
- SDN migration use cases, learning experiences
- Legacy ISP IP and Legacy Telcos network migration
- Backbone/Edge network migration
- Cloud/Data-Center and Enterprise network migration
- SDN and IPv6 network migration implementations
- 5G Networks migration challenges, issues and solutions
- Hybrid IP/SDN migration
- Energy Efficient network migration
- Intelligent energy-aware/Green IP/SDN networks
- Business and economic perspective of network migration
- Techno-Economic analysis of network migration, (e.g., CapEX, OpEX, internal rate of return (IRR), cash flow, human resource (HR) development, etc.)
- Security, Quality of service issues in network migration
- AI/ML applications in the network migrations
- Open-source networking optimization tool for network migration
- Reliability, robustness and safety in hybrid IP/SDN networks
- Self-learning and adaptive networking protocols and algorithms for network migration
- Network slicing and Traffic engineering optimization in hybrid IP/SDN networks

Keywords: SDN, Network Migration, ISP Networks, Telecommunication Networks, Migration challenges and issues, AI/ML in network migration, economics of network migration, Policy/regulatory framework of SDN migration


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Software-Defined Networking (SDN) has been well accepted by the networking industry as the way to transform enterprise, data center, service provider, carrier, and campus networks. SDN enables differentiated new services faster than ever before, simplifies the network, and lowers the total cost of ownership. In the long term, SDN, combined with Network Functions Virtualization (NFV), are expected to further radically and dramatically transform not only telecommunication networks, campus, enterprise and data centers networks, but also accelerate the introduction of smart cities/homes/cars/businesses and green infrastructures.

With this Research Topic we would like to attract contributions related to the the issues and the best practices developed that have been developed with respect to existing network migrations of Internet Service Provider (ISP) and Telecommunication (Telcos) networks into Software-Defined Networking. This fundamental first step will open up a wide range of possibilities to existing ICT solutions.

Software-Defined Networking (SDN) is already a well-established networking paradigm. It has a successful story of implementation in the data center network, while its implementation in telecommunications (Telco) and Internet service provider (ISP) networks worldwide is a subject of ongoing research and implementation. The bigger paradigm shifts in network operation and management between legacy networking and SDN create challenging issues about migrating the existing ISP/Telco’s legacy network into SDN. Existing networking equipment (switches, routers) cannot be replaced/upgraded readily due to many critical factors, for example, higher capital and operational expenditure, security, quality of service during transition, skilled human resources and many more.

Broadly three approaches have been defined for SDN implementation and migration, these are: (a) Legacy to Greenfield, (b) Legacy to mixed, and (c) Legacy to hybrid. For the real time implementation of network migration, hybrid IP/SDN migration has been gaining momentum. Worldwide researchers and major Internet/network service providers are planning to migrate their networks, however, the secure and cost effective approach with actionable steps for the operational network migration in the real time is still a matter for ongoing research.

The areas of interest for this Research Topic include, but are not limited to:

- Operational status of ISP/Telcos network
- Network migration issues, challenges, and solutions
- Migration path/approaches to SDN
- Policies/Roadmap in SDN/5G network migrations
- Intent and Policy-based management for network migration
- Intelligent approaches to SDN/5G networks migration
- SDN migration use cases, learning experiences
- Legacy ISP IP and Legacy Telcos network migration
- Backbone/Edge network migration
- Cloud/Data-Center and Enterprise network migration
- SDN and IPv6 network migration implementations
- 5G Networks migration challenges, issues and solutions
- Hybrid IP/SDN migration
- Energy Efficient network migration
- Intelligent energy-aware/Green IP/SDN networks
- Business and economic perspective of network migration
- Techno-Economic analysis of network migration, (e.g., CapEX, OpEX, internal rate of return (IRR), cash flow, human resource (HR) development, etc.)
- Security, Quality of service issues in network migration
- AI/ML applications in the network migrations
- Open-source networking optimization tool for network migration
- Reliability, robustness and safety in hybrid IP/SDN networks
- Self-learning and adaptive networking protocols and algorithms for network migration
- Network slicing and Traffic engineering optimization in hybrid IP/SDN networks

Keywords: SDN, Network Migration, ISP Networks, Telecommunication Networks, Migration challenges and issues, AI/ML in network migration, economics of network migration, Policy/regulatory framework of SDN migration


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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