Please read the Statement of Contributions for details. This is a true copy of the thesis, including any required final revisions, as accepted by my examiners.I understand that my thesis may be made electronically available to the public. Statement of ContributionsThe results of this work are descirbed in a paper that is under review at the 26 th Conference on Innovation in Clouds, Internet and Networks. I am the first author of this work and it was done in collaboration with Omar Naman under the supervision of Prof. Raouf Boutaba and Prof. Samer Al-Kiswany. Omar helped with surveying related work and writing the related work chapter.