Virtual network computing ppt
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Virtual Network Computing (VNC) allows users to access and control a remote computer over a network. It works by having a VNC server on the remote computer and a VNC viewer on the local computer. The viewer connects to the server's port and the server sends rectangular frames of the desktop buffer to the viewer. VNC offers advantages like eliminating distance constraints and enabling remote troubleshooting, but has disadvantages like using bandwidth and only allowing one-way communication on cellular networks. It provides graphical desktop sharing across platforms with AES encryption and is widely used with servers like RealVNC, TightVNC, and UltraVNC.
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VNC is a remote desktop protocol that allows users to view and control a remote computer from their local device. It has two main components - a VNC server on the remote machine that exports the desktop screen and handles input, and a VNC viewer on the local machine that imports the remote desktop screen and sends input back. VNC supports various platforms and can be used for distributed classrooms, with an instructor monitoring and collaborating with students on different devices. While it is not inherently secure, VNC can be tunneled through SSH or use encryption plugins to add security. It is resource intensive over low bandwidth and lacks full multi-user support on some platforms.
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In this talk, Nicolas introduces a new model for console access to instances in CloudStack. He explains both “how” and “why” CloudStack has moved from an embedded HTML client iframe to an API-driven generated console. He also delves into recent enhancements to the security and access to the console, including an extra security client validation approach.
Nicolas Vazquez is a Senior Software Engineer at ShapeBlue and is a PMC member of the Apache CloudStack project. He spends his time designing and implementing features in Apache CloudStack and can be seen acting as a release manager also. Nicolas is based in Uruguay and is a father of a young girl. He is a fan of sports, enjoys playing tennis and football. In his free time, he also enjoys reading and listening to economic and political materials.
-----------------------------------------
CloudStack Collaboration Conference 2022 took place on 14th-16th November in Sofia, Bulgaria and virtually. The day saw a hybrid get-together of the global CloudStack community hosting 370 attendees. The event hosted 43 sessions from leading CloudStack experts, users and skilful engineers from the open-source world, which included: technical talks, user stories, new features and integrations presentations and more.
A consolidated virtualization approach to deploying distributed cloud networks
A consolidated virtualization approach to deploying distributed cloud networksAruba, a Hewlett Packard Enterprise company
HPE Distributed Cloud Networking (DCN) enables service providers and large organizations to manage a distributed, multi data center environment in a simple, open and agile way using software-defined networking and network virtualization. At this session, we'll explore HPE Distributed Cloud Networking (DCN), Layer 2 to Layer 4. You will learn how this network virtualization platform optimizes the network by removing inefficiencies.打破時空藩籬，輕鬆存取您的雲端工作負載
This document discusses several ways to access AWS cloud workloads from various locations, including from the internet, from other VPCs, and from on-premises networks. It provides an overview of networking services like internet gateways, VPC peering, transit gateways, Direct Connect, and VPN connections. Diagrams show example architectures using these services to provide secure, scalable access to workloads from different networks.
打破時空藩籬-輕鬆存取您的雲端工作負載
Access Your Cloud Workloads From Anywhere
打破時空藩籬，輕鬆存取您的雲端工作負載
Level: 300, 中文演講
講師: Bruce Wang, Solutions Architect, AWS
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聯繫銷售: https://aws.amazon.com/tw/contact-us/
與銷售線上聊天: https://pages.awscloud.com/tw-hkt-sales-chat.html
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Daniel künzli branch repeater
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With MCX, businesses can effortlessly transmit and control AV signals across multiple displays, rooms, or even campuses, all through a single, unified system. This flexible and scalable solution eliminates the need for complex and costly cabling setups, making it an ideal choice for both new installations and retrofits.
MCX boasts exceptional video quality with support for 4K resolution and HDR (High Dynamic Range), ensuring lifelike visuals that captivate audiences. Whether it's delivering presentations, streaming media, or sharing content in a collaborative setting, MCX ensures every detail shines through, creating impactful experiences for viewers.
The system's advanced feature set enhances user convenience and productivity. With built-in video wall processing, MCX enables the creation of impressive video walls with precise alignment and seamless content playback. Integrated USB extension enables control of peripherals and facilitates interactive touch applications, further expanding the possibilities for collaboration.
MCX's intuitive management software provides centralized control over the entire AV-over-IP ecosystem. Administrators can effortlessly configure and manage endpoints, streamline content distribution, and monitor system performance. The robust security protocols ensure secure transmission of sensitive information, safeguarding against unauthorized access.
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Cohesive Networks Support Docs: VNS3 Configuration for Amazon VPC
Use this VNS3 set up guide to get started in the Amazon Cloud (AWS) VPC public cloud environments.
About VNS3:
VNS3 delivers cloud networking and NFV functionality for virtual and cloud environments. The VNS3 virtual network security appliance includes a router, switch, stateful firewall, VPN support (IPsec and SSL), and protocol redistributor, and extensible NFV optimized for all major cloud providers. VNS3 cloud networks are configured and managed through the VNS3 Manager web-based UI or resetful API.
VNS3 is available in: Amazon Web Services EC2, Amazon Web Services VPC, Microsoft Azure, CenturyLink Cloud, Google Compute Engine (GCE), Rackspace, IBM SoftLayer, ElasticHosts, Verizon Terremark vCloud Express, InterRoute, Abiquo, Openstack, Flexiant, Eucalyptus, Abiquo, HPE Helion, VMware (all formats), Citrix, Xen, KVM, and more.
VNS3 supports most IPsec data center solutions, including: Preferred Most models from Cisco Systems*, Juniper, Watchguard, Dell SONICWALL, Netgear, Fortinet, Barracuda Networks, Check Point*, Zyxel USA, McAfee Retail, Citrix Systems, Hewlett Packard, D-Link, WatchGuard, Palo Alto Networks, OpenSwan, pfSense, Vyatta, and any IPsec device that supports IKE1 or IKE2, AES256 or AES128 or 3DES, SHA1 or MD5, and most importantly NAT-Traversal standards.
Amazon Virtual Private Cloud
For more training on AWS, visit: https://www.qa.com/amazon
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NSX: La Virtualizzazione di Rete e il Futuro della Sicurezza
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This slide deck covers:
• Architectural design choices
• Implementation blueprints
• Operational best practices
that have been made to build OpenStack cloud at Symantec.
Networking is NOT Free: Lessons in Network Design
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Virtual network computing ppt
- 1. VIRTUAL NETWORK COMPUTING Presented By: Rashmi 123003 Tanvi Dutta 123018 Bidisha Mukherjee 123004 Mala Kumari 123011 Nayan Kumari 123010
- 2. INTRODUCTION • ABOUT VNC • TYPES OF VNC • WORKING MECHANISM • ADVANTAGES AND DISADVANTAGES • SECURITY • FUTURE SCOPE • CONCLUSION
- 3. ABOUT VNC • Remote control system. • Graphical desktop sharing system. • Cross platform capable. • AES encryption. • Dedicated support Channel.
- 4. TYPES OF VNC SERVER • Real VNC • Tight VNC • Vino • Chromi VNC • Ultra VNC
- 5. WORKING MECHANISM To connect and control one computer from another • VNC server • VNC viewer • VNC protocol
- 6. Viewer connects to a port on the server (default port 5900) Server connects to the viewer through the “listening mode” on port 5500 Server sends small rectangular frame buffer to the client After the original full screen has been transmitted, the rectangles which changes are send to the client by raw encoding
- 7. • Rectangles of Frame Buffer. • A lot of Bandwidth used • Negotiation for encoding • Simplest Encoding • Works well with small screen change.
- 8. ADVANTAGES & DISADVANTAGES ADVANTAGES • Eliminates distance constrain. • Automated trouble shooting,Diagnosing and repairing. • Saves energy • Virtual files are easy to back-up. DISADVANTAGES • a one way communication for cellular phones. • Unidirectional flow of control. • Expensive • RFB 3.X or lower
- 9. SECURITY • Password. • SSH Encryption. • Virtual Machine. • Isolation.
- 10. FUTURE SCOPE • implementing VNC over internet. • developed for tablets and other handheld devices. • Access to computer using mobile phones.
- 11. CONCLUSION • the extended scope of this system will prove to be helpful in providing mobility and accessing the remote desktop over the internet
- 12. THANK YOU