scholarly journals Packet Optical Transport Network Slicing with Hard and Soft Isolation

2021 ◽  
Vol 11 (13) ◽  
pp. 6219
Author(s):  
Samier Barguil ◽  
Victor Lopez Alvarez ◽  
Luis Miguel Contreras Murillo ◽  
Oscar Gonzalez de Dios ◽  
Alejandro Alcala Alvarez ◽  
...  
Keyword(s):  
Experimental Validation ◽  
Communication Protocols ◽  
Dynamic Network ◽  
Transport Network ◽  
Resources Allocation ◽  
Network Resources ◽  
Network Infrastructure ◽  
Network Slicing ◽  
Optical Transport Network ◽  
New Generation

Network operators have been dealing with the necessity of a dynamic network resources allocation to provide a new generation of customer-tailored applications. In that sense, Telecom providers have to migrate their BSS/OSS systems and network infrastructure to more modern solutions to introduce end-to-end automation and support the new use cases derived from the 5G adoption and transport network slices. In general, there is a joint agreement on making this transition to an architecture defined by programmable interfaces and standard protocols. Hence, this paper uses the iFusion architecture to control and program the network infrastructure. The work presents an experimental validation of the network slicing instantiation in an IP/Optical environment using a set of standard protocols and interfaces. The work provides results of the creation, modification and deletion of the network slices. Furthermore, it demonstrates the usage of standard communication protocols (Netconf and Restconf) in combination with standard YANG data models.

scholarly journals Experimental validation of resource allocation in transport network slicing using the ADRENALINE testbed

2020 ◽  
Vol 40 (2) ◽  
pp. 82-93
Author(s):  
Ricard Vilalta ◽  
Raul Muñoz ◽  
Ramon Casellas ◽  
Ricardo Martínez ◽  
Fei Li ◽  
...  
Keyword(s):  
Resource Allocation ◽  
Experimental Validation ◽  
Transport Network ◽  
Network Slicing

scholarly journals Enabling Network Slicing Across a Disaggregated Optical Transport Network

2019 ◽  
Author(s):  
Ramon Casellas ◽  
Alessio Giorgetti ◽  
Roberto Morro ◽  
Ricardo Martínez ◽  
Ricard Vilalta ◽  
...  
Keyword(s):  
Transport Network ◽  
Network Slicing ◽  
Optical Transport Network ◽  
Optical Transport

End-to-End Redundancy and Maintenance Condition Design for Nationwide Optical Transport Network

2018 ◽  
Vol E101.B (11) ◽  
pp. 2267-2276 ◽  
Author(s):  
Yoshihiko UEMATSU ◽  
Shohei KAMAMURA ◽  
Hiroshi YAMAMOTO ◽  
Aki FUKUDA ◽  
Rie HAYASHI
Keyword(s):  
Transport Network ◽  
Optical Transport Network ◽  
End To End ◽  
Optical Transport

scholarly journals On Blockchain-Based Cross-Service Communication and Resource Orchestration on Edge Clouds

Informatics ◽  
2021 ◽  
Vol 8 (1) ◽  
pp. 13
Author(s):  
Konstantinos Papadakis-Vlachopapadopoulos ◽  
Ioannis Dimolitsas ◽  
Dimitrios Dechouniotis ◽  
Eirini Eleni Tsiropoulou ◽  
Ioanna Roussaki ◽  
...  
Keyword(s):  
Network Function Virtualization ◽  
Network Resources ◽  
Service Orchestration ◽  
Network Slicing ◽  
Network Function ◽  
Resource Orchestration ◽  
Full Capacity ◽  
Cloud Datacenter ◽  
Set Up ◽  
The Internet Of Things

With the advent of 5G verticals and the Internet of Things paradigm, Edge Computing has emerged as the most dominant service delivery architecture, placing augmented computing resources in the proximity of end users. The resource orchestration of edge clouds relies on the concept of network slicing, which provides logically isolated computing and network resources. However, though there is significant progress on the automation of the resource orchestration within a single cloud or edge cloud datacenter, the orchestration of multi-domain infrastructure or multi-administrative domain is still an open challenge. Towards exploiting the network service marketplace at its full capacity, while being aligned with ETSI Network Function Virtualization architecture, this article proposes a novel Blockchain-based service orchestrator that leverages the automation capabilities of smart contracts to establish cross-service communication between network slices of different tenants. In particular, we introduce a multi-tier architecture of a Blockchain-based network marketplace, and design the lifecycle of the cross-service orchestration. For the evaluation of the proposed approach, we set up cross-service communication in an edge cloud and we demonstrate that the orchestration overhead is less than other cross-service solutions.

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