Shared-Memory Optimizations for Inter-Virtual-Machine Communication

2016 ◽  
Vol 48 (4) ◽  
pp. 1-42 ◽  
Author(s):  
Yi Ren ◽  
Ling Liu ◽  
Qi Zhang ◽  
Qingbo Wu ◽  
Jianbo Guan ◽  
...  
Keyword(s):  
Shared Memory ◽  
Virtual Machine ◽  
Memory Optimizations ◽  
Machine Communication

scholarly journals Research on New Virtualization Security Protection Management System Based on Cloud Platform

2022 ◽  
Vol 2146 (1) ◽  
pp. 012010
Author(s):  
Zhihong Li ◽  
Guangxu Liu ◽  
Yijie Dang ◽  
Zhijie Shang ◽  
Nan Lin
Keyword(s):  
Business Model ◽  
Virtual Machine ◽  
Management System ◽  
Security Threats ◽  
Cloud Platform ◽  
Virtual Machine Migration ◽  
It Resources ◽  
The Stability ◽  
Machine Communication ◽  
New Situation

Abstract As an emerging product under the condition of informatization, the utilization of cloud platform in many industries has brought fundamental changes to the production and business model in related fields. The cloud platform provides rich and diverse utilization services to terminals through multi-dimensional integration of different IT resources. With the in-depth utilization of cloud platform, the security problems it faces are becoming more and more prominent. The traditional network security protection means have been difficult to effectively adapt to and deal with the security threats under the new situation of cloud platform utilization. As a prominent part of building cloud platform, the construction level of virtualization security protection system will have an intuitive impact on the security of cloud platform. At present, the virtualization security protection management system under cloud platform is facing direct threats from virtual machine deployment, virtual machine communication and virtual machine migration. Based on this, this paper studies the virtualization security protection management system of cloud platform from the perspective of virtualization security tech, so as to ameliorate the stability, reliability and security of cloud platform.

scholarly journals On the Parallel Elliptic Single/Multigrid Solutions about Aligned and Nonaligned Bodies Using the Virtual Machine for Multiprocessors

1994 ◽  
Vol 3 (1) ◽  
pp. 13-32
Author(s):  
A. Averbuch ◽  
E. Gabber ◽  
S. Itzikowitz ◽  
B. Shoham
Keyword(s):  
Shared Memory ◽  
Virtual Machine ◽  
Software Package ◽  
Message Passing ◽  
Parallel Implementation ◽  
Parallel Application ◽  
Multiple Data ◽  
Single User ◽  
Grid Points ◽  
Application Programs

Parallel elliptic single/multigrid solutions around an aligned and nonaligned body are presented and implemented on two multi-user and single-user shared memory multiprocessors (Sequent Symmetry and MOS) and on a distributed memory multiprocessor (a Transputer network). Our parallel implementation uses the Virtual Machine for Muli-Processors (VMMP), a software package that provides a coherent set of services for explicitly parallel application programs running on diverse multiple instruction multiple data (MIMD) multiprocessors, both shared memory and message passing. VMMP is intended to simplify parallel program writing and to promote portable and efficient programming. Furthermore, it ensures high portability of application programs by implementing the same services on all target multiprocessors. The performance of our algorithm is investigated in detail. It is seen to fit well the above architectures when the number of processors is less than the maximal number of grid points along the axes. In general, the efficiency in the nonaligned case is higher than in the aligned case. Alignment overhead is observed to be up to 200% in the shared-memory case and up to 65% in the message-passing case. We have demonstrated that when using VMMP, the portability of the algorithms is straightforward and efficient.

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