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MODEL FOR EFFICIENT ALLOCATION OF NETWORK FUNCTIONS IN HYBRID ENVIRONMENT

Mariia Skulysh, Larisa Globa, Svitlana Sulima
2016 Information and Telecommunication Sciences  
To ensure the required quality of experience and optimal use of network operator's resources in the current conditions telecommunication operator can deploy services using the concept of Network Functions  ...  To model the resource allocation for virtualized network functions a technique of virtual network embedding can be used, while changing the constraints in which you can get the results for a variety of  ...  In the study [2] the optimal virtualized gateways placement is considered as well as the problem of virtualization and SDN decomposition deployment on the mobile core gateways.  ... 
doi:10.20535/2411-2976.12016.39-45 fatcat:nelkq4xsingjbfn6wew3v5qxiq

5G mobile transport and computing platform for verticals

Paola Iovanna, Teresa Pepe, Carmen Guerrero, Francesca Moscatelli, Adlen Ksentini, Carla Fabiana Chiasserini, Claudio Casetti, Josep Mangues-Bafalluy, Luca Valcarenghi, Barbara Martini, Xi Li, Giuliana Zennaro
2018 2018 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)  
Fig. 6 illustrates a detailed view of the EPC and RAN function split and their placement for the automotive use-case.  ...  The network functions to implement (e.g., eNB, EPC) as either physical or virtual network functions and the type of functional split to be implemented is responsibility of the MTP that will orchestrate  ... 
doi:10.1109/wcncw.2018.8368989 dblp:conf/wcnc/IovannaPGMKCCMV18 fatcat:w5hgagopf5f4bcluqlgoizde6m

Demo: Closer to Cloud-RAN

Navid Nikaein, Raymond Knopp, Lionel Gauthier, Eryk Schiller, Torsten Braun, Dominique Pichon, Christian Bonnet, Florian Kaltenberger, Dominique Nussbaum
2015 Proceedings of the 21st Annual International Conference on Mobile Computing and Networking - MobiCom '15  
Commoditization and virtualization of wireless networks are changing the economics of mobile networks to help network providers (e.g., MNO, MVNO) move from proprietary and bespoke hardware and software  ...  of the platform developed.  ...  Our OpenStack worker is deployed on top of Ubuntu 14.04 with the low latency kernel (3.17).  ... 
doi:10.1145/2789168.2789178 dblp:conf/mobicom/NikaeinKGSBPBKN15 fatcat:y2rmxtz4vvbxrirk77ojhplwq4

A Survey on Low Latency Towards 5G: RAN, Core Network and Caching Solutions [article]

Imtiaz Parvez, Ali Rahmati, Ismail Guvenc, Arif I. Sarwat, Huaiyu Dai
2018 arXiv   pre-print
We also present a general overview of 5G cellular networks composed of software defined network (SDN), network function virtualization (NFV), caching, and mobile edge computing (MEC) capable of meeting  ...  In this regard, we need drastic changes in network architecture including core and radio access network (RAN) for achieving end-to-end latency on the order of 1 ms.  ...  packet core (EPC) functions.  ... 
arXiv:1708.02562v2 fatcat:byyszpxcu5ew5pqlvq672tf5oa

Optimal Orchestration of Virtual Network Functions [article]

Meihui Gao, Mathieu Bouet, Stefano Secci
2017 arXiv   pre-print
-The emergence of Network Functions Virtualization (NFV) is bringing a set of novel algorithmic challenges in the operation of communication networks.  ...  We do also quantitatively compare the performance of our VNF-PR heuristic with the classical Virtual Network Embedding (VNE) approach proposed for NFV orchestration, showing the computational differences  ...  with loose latency bound.  ... 
arXiv:1706.04762v1 fatcat:2qxkr5yq7jee3p7sorbebnenre

Service Function Chaining Resource Allocation: A Survey [article]

Yanghao Xie, Zhixiang Liu, Sheng Wang, Yuxiu Wang
2016 arXiv   pre-print
This category of algorithms is referred as "Service Function Chaining Resource Allocation (SFC-RA)" algorithms or "VNF placement (VNFP)" algorithms.  ...  Application of this technology relies on algorithms that can optimally mapping SFC to substrate network.  ...  [64] propose a MILP to model the virtual mobile core network embedding with respect to latency bounds.  ... 
arXiv:1608.00095v1 fatcat:wc5vkybzrzhfdmnnxvyn7hke4q

A Survey on the Placement of Virtual Resources and Virtual Network Functions

Abdelquoddouss Laghrissi, Tarik Taleb
2018 IEEE Communications Surveys and Tutorials  
This is the accepted version of the original article published by IEEE.  ...  Applying NFV to the Evolved Packet Core (EPC) raises the need for optimal network function placement.  ...  VCPU, VMDISK) and the optimal placement of Virtualized Network Functions (VNFs) composing the network slices.  ... 
doi:10.1109/comst.2018.2884835 fatcat:qu32ztzffnbbjnljo5cbv762di

Optimal orchestration of virtual network functions

Meihui Gao, Bernardetta Addis, Mathieu Bouet, Stefano Secci
2018 Computer Networks  
The emergence of Network Functions Virtualization (NFV) is bringing a set of novel algorithmic challenges in the operation of communication networks.  ...  We do also quantitatively compare the performance of our VNF-PR heuristic with the classical Virtual Network Embedding (VNE) approach proposed for NFV orchestration, showing the computational differences  ...  Meihui Gao Ph.D. is supported by a grant of the French Ministry of Advanced Education and Research.  ... 
doi:10.1016/j.comnet.2018.06.006 fatcat:2hk3s3lksrdzjoccrde3llskz4

Provisioning Low Latency, Resilient Mobile Edge Clouds for 5G [article]

Russell Ford, Ashwin Sridharan, Robert Margolies, Rittwik Jana, Sundeep Rangan
2017 arXiv   pre-print
increased resilience (through placement of network functions at more distributed datacenter locations) and accounts for service disruption that could be incurred because of user mobility between the service  ...  Through evaluations with topology and traffic data from a major carriers's network, we show that, compared to static, centralized networks, careful virtualized provisioning can yield significant savings  ...  Virtualization of the CN stack through NFV enables lightweight, scalable software instances of Virtual Network Functions (VNFs) to be deployed on commodity servers.  ... 
arXiv:1703.10915v1 fatcat:4vtzmvh7mbdczjffdzo4kgyedm

Network Function Virtualization-Aware Orchestrator for Service Function Chaining Placement in the Cloud

Hassan Hawilo, Manar Jammal, Abdallah Shami
2019 IEEE Journal on Selected Areas in Communications  
Network function virtualization (NFV) has been introduced by network service providers to overcome various challenges that hinder them from satisfying the growing demand for networking services with higher  ...  The association of NFV with the leading technologies of information technology virtualization and software defined networking is paving the way for flexible and dynamic orchestration of the VNFs, but still  ...  Given a set of servers S and a set of VNFs participating in a SFC, BACON finds a feasible near optimal VNF placement solution compared to the MILP optimal solution.  ... 
doi:10.1109/jsac.2019.2895226 fatcat:vqa7ijiyr5fhxm6mfqzisirkli

Depth-Optimized Delay-Aware Tree (DO-DAT) for Virtual Network Function Placement [article]

Dimitrios Michael Manias, Hassan Hawilo, Manar Jammal, Abdallah Shami
2020 arXiv   pre-print
In this paper, we present a machine learning-based solution to the Virtual Network Function (VNF) placement problem.  ...  Using the Evolved Packet Core (EPC) as a use case, we evaluate the performance of the model and compare it to a previously proposed model and a heuristic placement strategy.  ...  of the PSO depth optimization. 1) DAT: The methodology behind the construction of the DAT, as defined by our previous work [3] , takes the previous placements made by the near-optimal heuristic BACON  ... 
arXiv:2006.01790v1 fatcat:iw5xp7gc7bbibphn3ynrljysdi

Will SDN be part of 5G?

Zainab Zaidi, Vasilis Friderikos, Zarrar Yousaf, Simon Fletcher, Mischa Dohler, Hamid Aghvami
2018 IEEE Communications Surveys and Tutorials  
For many, this is no longer a valid question and the case is considered settled with SDN/NFV (Software Defined Networking/Network Function Virtualization) providing the inevitable innovation enablers towards  ...  the realization of a virtualized, flexible, programmable and flexible 5G network.  ...  Optimal controller placement is also an open issue. Solutions are presented in [111] , [120] using optimization function and game theoretic approaches.  ... 
doi:10.1109/comst.2018.2836315 fatcat:4pto3cjdffebhbqxiuav44pm74

Will SDN be part of 5G? [article]

Zainab Zaidi, Vasilis Friderikos, Zarrar Yousaf, Simon Fletcher, Mischa Dohler, Hamid Aghvami
2018 arXiv   pre-print
For many, this is no longer a valid question and the case is considered settled with SDN/NFV (Software Defined Networking/Network Function Virtualization) providing the inevitable innovation enablers solving  ...  Our main focus is on fronthaul, backward compatibility, supposedly disruptive nature of SDN deployment, business cases and monetization of SDN related upgrades, latency of general purpose processors (GPP  ...  Optimal controller placement is also an open issue. Solutions are presented in [111] , [120] using optimization function and game theoretic approaches.  ... 
arXiv:1708.05096v2 fatcat:keyjxky2u5gobgeehu6zl2z6xq

A Survey On The Controller Placement Problem In SDN

Lakshita Agarwal, Chetan Singh Negi, Jalaj Sharma, Sunita Jalal
2021 International journal of advanced networking and applications  
In latest researches, we will study about the introduction of a novel method named Garter Snake Optimization Capacitated Controller Placement Problem (GSOCCPP) to obtain the near-optimal minimal propagation  ...  In SDN, the control plane and the data plane can be separated with the help of a well-defined programming interface between the SDN controllers and the switches.  ...  of Network Functions Virtualization (NFV).  ... 
doi:10.35444/ijana.2021.13204 fatcat:g57meoe5jbeijczbru5j23fhfi

A Complete LTE Mathematical Framework for the Network Slice Planning of the EPC

Jonathan Prados, Abdelquoddouss Laghrissi, Miloud Bagaa, Tarik Taleb, Juan M. Lopez-Soler
2019 IEEE Transactions on Mobile Computing  
We formulate the joint optimization problem of resources dimensioning and embedding of a virtualized EPC and propose a heuristic to solve it.  ...  5G is the next telecommunications standards that will enable the sharing of physical infrastructures to provision ultra short-latency applications, mobile broadband services, Internet of Things, etc.  ...  To solve the problem, three heuristic algorithms are proposed to achieve near-optimal solutions.  ... 
doi:10.1109/tmc.2018.2890235 fatcat:titxaq6a7zf2fig3vl3zup3spu
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