NASOR: A network slicing approach for multiple Autonomous Systems
Realizing network slicing inside and between Autonomous Systems (ASs), that is, multi-domain, is challenging because there is no consensus or solutions that consider both policy and technological independence between domains. Many approaches found in the literature aimed to realize network slices th...
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| Published in: | Computer communications Vol. 179; pp. 131 - 144 |
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| Main Authors: | , , , |
| Format: | Journal Article |
| Language: | English |
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Elsevier B.V
01-11-2021
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| Abstract | Realizing network slicing inside and between Autonomous Systems (ASs), that is, multi-domain, is challenging because there is no consensus or solutions that consider both policy and technological independence between domains. Many approaches found in the literature aimed to realize network slices that span across multiple ASs. However, they commonly rely on cross-connected technologies or domain-coupled such as Virtual Private Network (VPN) or Multi-Protocol Label Switching (MPLS). This work addresses the issue of multi-domain network slicing by leveraging technologies such as Software-defined Networking (SDN), Segment Routing (SR), and Network Functions Virtualization (NFV) in an innovative distributed framework, called Network And Slice ORchestrator (NASOR). Our work advances resource management and orchestration potentialities, providing a recursive network slice mechanism and adding dynamism in the network slice deployment between multiple domains through an open interface. As a result, NASOR functionally outperforms its peers. Experiments showcased the proposal’s applicability and scalability in multi-domain network slicing. Additionally, experiments suggest that an open interface enhances network slices’ customization degree and improves the network Quality of Service (QoS) in typical Internet applications, such as Voice over Internet Protocol (VoIP).
•A network slice deployment approach on top of the Internet data plane routers.•A proposal to maintain the political and technological independence of the domains.•A cross-domain mechanism for distributing compute and network capabilities over ASs.•An extended ETSI-based framework for recursive network slicing across multiple ASs.•An Open Policy Interface to improve network slice deployment for third parties. |
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| AbstractList | Realizing network slicing inside and between Autonomous Systems (ASs), that is, multi-domain, is challenging because there is no consensus or solutions that consider both policy and technological independence between domains. Many approaches found in the literature aimed to realize network slices that span across multiple ASs. However, they commonly rely on cross-connected technologies or domain-coupled such as Virtual Private Network (VPN) or Multi-Protocol Label Switching (MPLS). This work addresses the issue of multi-domain network slicing by leveraging technologies such as Software-defined Networking (SDN), Segment Routing (SR), and Network Functions Virtualization (NFV) in an innovative distributed framework, called Network And Slice ORchestrator (NASOR). Our work advances resource management and orchestration potentialities, providing a recursive network slice mechanism and adding dynamism in the network slice deployment between multiple domains through an open interface. As a result, NASOR functionally outperforms its peers. Experiments showcased the proposal’s applicability and scalability in multi-domain network slicing. Additionally, experiments suggest that an open interface enhances network slices’ customization degree and improves the network Quality of Service (QoS) in typical Internet applications, such as Voice over Internet Protocol (VoIP).
•A network slice deployment approach on top of the Internet data plane routers.•A proposal to maintain the political and technological independence of the domains.•A cross-domain mechanism for distributing compute and network capabilities over ASs.•An extended ETSI-based framework for recursive network slicing across multiple ASs.•An Open Policy Interface to improve network slice deployment for third parties. |
| Author | Rosa, Pedro Frosi Silva, Flávio de Oliveira Moreira, Rodrigo Aguiar, Rui Luis Andrade |
| Author_xml | – sequence: 1 givenname: Rodrigo orcidid: 0000-0002-9328-8618 surname: Moreira fullname: Moreira, Rodrigo email: rodrigo.moreira@ufu.br, rodrigo@ufv.br organization: Faculty of Computing (FACOM), Federal University of Uberlândia, Uberlândia, 38400-902, Brazil – sequence: 2 givenname: Pedro Frosi orcidid: 0000-0001-8820-9113 surname: Rosa fullname: Rosa, Pedro Frosi organization: Faculty of Computing (FACOM), Federal University of Uberlândia, Uberlândia, 38400-902, Brazil – sequence: 3 givenname: Rui Luis Andrade surname: Aguiar fullname: Aguiar, Rui Luis Andrade organization: Telecommunications Institute (IT), University of Aveiro, Aveiro, Portugal – sequence: 4 givenname: Flávio de Oliveira surname: Silva fullname: Silva, Flávio de Oliveira organization: Faculty of Computing (FACOM), Federal University of Uberlândia, Uberlândia, 38400-902, Brazil |
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| Keywords | Orchestration Multi-domain Network slicing Segment rouging Recursive Network Slicing SDN NFV |
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