Cloud federation in a layered service model

被引：145

作者：

Villegas, David ^{[1
]}

Bobroff, Norman ^{[3
]}

Rodero, Ivan ^{[2
]}

Delgado, Javier ^{[1
]}

Liu, Yanbin ^{[3
]}

Devarakonda, Aditya ^{[2
]}

Fong, Liana ^{[3
]}

Sadjadi, S. Masoud ^{[1
]}

Parashar, Manish ^{[2
]}

机构：

[1] FIU, Sch Comp & Informat Sci, Miami, FL 33199 USA

[2] Rutgers State Univ, Dept Elect & Comp Engn, NSF Ctr Auton Comp, Piscataway, NJ 08855 USA

[3] IBM Corp, TJ Watson Res Ctr, Hawthorne, NY USA

来源：

JOURNAL OF COMPUTER AND SYSTEM SCIENCES | 2012年 / 78卷 / 05期

基金：

美国国家科学基金会;

关键词：

Cloud computing; Service layers; SaaS; AaaS; PaaS; IaaS; Interoperability; Service delegation; Federation of Clouds;

D O I：

10.1016/j.jcss.2011.12.017

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

We show how a layered Cloud service model of software (SaaS), platform (PaaS), and infrastructure (laaS) leverages multiple independent Clouds by creating a federation among the providers. The layered architecture leads naturally to a design in which inter-Cloud federation takes place at each service layer, mediated by a broker specific to the concerns of the parties at that layer. Federation increases consumer value for and facilitates providing IT services as a commodity. This business model for the Cloud is consistent with broker mediated supply and service delivery chains in other commodity sectors such as finance and manufacturing. Concreteness is added to the federated Cloud model by considering how it works in delivering the Weather Research and Forecasting service (WRF) as SaaS using PaaS and laaS support. WRF is used to illustrate the concepts of delegation and federation, the translation of service requirements between service layers, and inter-Cloud broker functions needed to achieve federation. (C) 2012 Elsevier Inc. All rights reserved.

引用

页码：1330 / 1344

页数：15

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