NDLI: Distributed FlowVisor: a distributed FlowVisor platform for quality of service aware cloud network virtualisation

Content Provider	IET Digital Library
Author	Liao, Lingxia Shami, Abdallah Leung, Victor C. M.
Abstract	Cloud-based virtual networking environments are required to provide fine-grained quality of service (QoS) control without sacrificing scalability. However, no single approach can currently achieve these two goals simultaneously. FlowVisor is a building block to virtualise networks with fine-grained QoS support; however, scalability issues caused by the OpenFlow protocol and the centralised control model are a major concern. This study introduces a distributed FlowVisor (DFVisor) platform to address these scalability issues. The proposed DFVisor uses a layered overlay mechanism to improve network addressing space and switch capacity. DFVisor uses a distributed synchronised two-level database system with a synchronisation mechanism to enable the centralised control functions in the current FlowVisor platform in distributed control modules within the virtual network controllers. Therefore it removes a single point of failure in the network and reduces the flow setup latency without sacrificing the centralised network configuration and management capabilities. More importantly, the proposed DFVisor platform enables an advanced push-based flow setup and statistics collection mechanism to address scalability issues caused by the current pull-based flow setup and statistics collection method. A DFVisor prototype and an evaluation of this distributed synchronised two-level database are presented, and key issues for future research are discussed.
Starting Page	270
Ending Page	277
Page Count	8
ISSN	20474954
Volume Number	4
e-ISSN	20474962
Issue Number	Issue 5, Sep (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-net/4/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-net.2014.0107
Journal	IET Networks
Publisher Date	2015-08-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Advanced Push-based Flow Setup And Statistics Collection Mechanism Centralised Control Function Centralised Control Model Centralised Network Configuration Capabilities Centralised Network Management Capabilities Cloud Computing Cloud-based Virtual Networking Environments Computer Communication Computer Network And Technique Computer Network Management DFVisor Platform Distributed Control Module Distributed FlowVisor Platform Distributed Synchronised Two-level Database Distributed Synchronised Two-level Database System Fine-grained QoS Support Fine-grained Quality of Service Control Flow Setup Latency Internet Software Layered Overlay Mechanism Network Addressing Space Network Management Open System OpenFlow Protocol Protocol Quality of Service Quality of Service Aware Cloud Network Virtualisation Synchronisation Synchronisation Mechanism Virtual Network Controller Virtualisation
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Management Science and Operations Research Computer Networks and Communications

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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