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Constructing trusted virtual execution environment in P2P grids

Constructing trusted virtual execution environment in P2P grids. Authors: D. Zou, W. Zheng, J. Long, H. Jin, and X. Chen Source: Future Generation Computer Systems, vol. 26, pp. 769-775, 2010 Speaker: Shu-Fen Chiou ( 邱淑芬 ). P2P Grid management infrastructure. Domain 1. Domain n. Domain

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Constructing trusted virtual execution environment in P2P grids

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  1. Constructing trusted virtual execution environment in P2P grids Authors: D. Zou, W. Zheng, J. Long, H. Jin, and X. Chen Source: Future Generation Computer Systems, vol. 26, pp. 769-775, 2010 Speaker: Shu-Fen Chiou (邱淑芬)

  2. P2P Grid management infrastructure Domain 1 Domain n Domain controller Domain controller VM based backend peer VM based backend peer . . . . . . VM based backend peer VM based backend peer P2P Grid user Ask a job help e.g. Computing a problem

  3. Virtual based backend peer • Using virtual machine runs the user’s job • The virtual machine (VM) image is matched requirements user’s job • Virtual machine image: • OS • Application • The OS and application middleware are not secure. Domain 1 Domain controller VM based backend peer . . . VM based backend peer user Ask a job help

  4. Motivation • Construction a trusted execution environment on P2P grid nodes. • The VM images are verified and protected. • The backend peer is selected by its reputation.

  5. VM-based P2P grid architecture

  6. Trusted image store CerCAuj, img, Suj(SHA1(img)), ACimguj CerCAISi , REQ(CERCAimg) CerCAuj , REQ (ACIMiuj) ACIMiuj CerCAimg

  7. According the reputation selectjob(img, BEi) img verify(img) job launch(VM) Trusted image deployment

  8. Backup job imgi+1, Suj(SHA1(imgi+1)), CerCAimgi, P(CerCAuj),

  9. Analysis • Overhead for trusted image store when a new image is submitted

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