A SURVEY OF NETWORK VIRTUALIZATION

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Ramazany A.; GHIYASVAND M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: IRANIAN CONFERENCE ON APPLIED MATHEMATICS
Year:2013 | Issue:5

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Title

A SURVEY OF NETWORK VIRTUALIZATION

Author(s)

Ramazany A. | GHIYASVAND M. | Issue Writer Certificate

Keywords

VIRTUAL NETWORKS

ONLINE ALGORITHMS

QOS GUARANTEES

Abstract

NETWORK VIRTUALIZATION IS AN IMPORTANT CONCEPT TO OVERCOME THE OSSIFICATION OF TODAY’S INTERNET AS IT FACILITATES INNOVATION ALSO IN THE NETWORK CORE AND AS IT PROMISES A MORE EFFICIENT USE OF THE GIVEN RESOURCES AND INFRASTRUCTURE. VIRTUAL NETWORKS (VNETS) PROVIDE AN ABSTRACTION OF THE PHYSICAL NETWORK: MULTIPLE VNETS MAY COHABIT THE SAME PHYSICAL NETWORK, BUT CAN BE BASED ON COMPLETELY DIFFERENT PROTOCOL STACKS (ALSO BEYOND IP). ONE OF THE MAIN CHALLENGES IN NETWORK VIRTUALIZATION IS THE EFFICIENT ADMISSION CONTROL AND EMBEDDING OF VNETS. THE DEMAND FOR VIRTUAL NETWORKS (E.G., FOR A VIDEO CONFERENCE) CAN BE HARD TO PREDICT, AND ONCE THE REQUEST IS ACCEPTED, THE SPECIFICATION / QOS GUARANTEES MUST BE ENSURED THROUGHOUT THE VNET’S LIFETIME. THIS REQUIRES AN ADMISSION CONTROL ALGORITHM WHICH ONLY SELECTS HIGH-BENEFIT VNETS IN TIMES OF SCARCE RESOURCES, AND AN EMBEDDING ALGORITHM WHICH REALIZES THE VNET IN SUCH A WAY THAT THE LIKELIHOOD THAT FUTURE REQUESTS CAN BE EMBEDDED AS WELL IS MAXIMIZED. IN THIS DOCUMENT, WE SURVEY VARIOUS ALGORITHMS PROPOSED FOR VIRTUAL NETWORKS THAT ARE AVAILABLE. WE HERE TRY NOT TO BE EXHAUSTIVE BUT ANALYZE THE IMPORTANT TECHNIQUES IN THE LITERATURE. PRESENT SURVEY WOULD HELP TO GIVE A NEW DIRECTION TO THE RESEARCH IN THIS REALM.

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APA: Copy

Ramazany, A., & GHIYASVAND, M.. (2013). A SURVEY OF NETWORK VIRTUALIZATION. IRANIAN CONFERENCE ON APPLIED MATHEMATICS. SID. https://sid.ir/paper/939314/en

Vancouver: Copy

Ramazany A., GHIYASVAND M.. A SURVEY OF NETWORK VIRTUALIZATION. 2013. Available from: https://sid.ir/paper/939314/en

IEEE: Copy

A. Ramazany, and M. GHIYASVAND, “A SURVEY OF NETWORK VIRTUALIZATION,” presented at the IRANIAN CONFERENCE ON APPLIED MATHEMATICS. 2013, [Online]. Available: https://sid.ir/paper/939314/en

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