Verio Virtual Private Server (VPS)
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Verio Virtual Private Server (VPS) Document Transcript

  • 1. June 2007 | www.verio.com Performance, Control,Server (VPS) v3 Verio FreeBSD Virtual Private and Security: The Benefits of Verio Virtual Private Servers (VPS) CONTENTS Realize many of the advantages of a dedicated server — with a lower price tag. Why outsource hosting?............................. 1 Some alternative approaches...................... 2 Verio Virtual Private Server (VPS) Linux VPS and FreeBSD VPS overview ... 3 Verio’s commitment to open-source software dates back to the Verio VPS features ..................................... 4 company’s inception. Over a decade ago, we pioneered virtual private server technology and introduced the solution based on the FreeBSD® Flexibility and control ................................ 5 operating system. Today we offer a variety of virtual private server Security ...................................................... 5 (VPS) and managed private server (MPS) plans to deliver a range of Plans and pricing ........................................ 6 high-performance, low-maintenance Web hosting services. Conclusion ................................................. 7 In this paper, we’ll explain the features and benefits of the Verio VPS solution, which allows companies to achieve high levels of performance, control, and security with an affordably priced hosting Verio and the Verio logo are trademarks and/or service plan. The paper covers both FreeBSD-based and Linux-based VPS marks of Verio Inc. in the United States and other countries. Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries. The mark hosting solutions and the benefits they deliver for a wide range of FreeBSD is a registered trademark of The FreeBSD Foundation and is used by Verio Inc. with the permission of The FreeBSD Foundation. Unix is a registered trademark of The Open Group. Red Hat is a registered business needs and applications. trademark of Red Hat, Inc. in the United States and other countries. All other names are trademarks or registered marks of their respective owners. ©2007 Verio Inc. All rights reserved. Performance, Control, and Security: The Benefits of Verio Virtual Private Servers (VPS)
  • 2. June 2007 | www.verio.com 2 COMMON SERVER APPLICATIONS Virtual private servers are commonly used for a great variety of applications: • Host an e-commerce Website • Host an online game site • Support a corporate intranet • Manage an email system • Build a custom development • Create a customer support environment tracking system • Provide Web-based calendaring • Back up important data • Provide multimedia applications • Host multiple Websites protected “space” that operates as an the solution offers little scalability A flexible solution independent server. The VPS behaves and therefore fails to provide an for addressing many like a stand-alone physical server so it easy growth path. Management of offers excellent security, performance, these types of systems tends to be challenges and flexibility. complex. Businesses rely on outsourced hosting for a variety of reasons: Because of operating system-level • Paravirtualization — This server server virtualization, secure virtual technology allows clients to run • Small businesses have little or environments can coexist on a single multiple modified operating systems. no IT staff available for server physical server, while each account A virtual machine monitor manages management. operates in isolation. the server resources, which are shared. This approach will deliver • Web designers, developers, and superior performance compared to systems integrators often have A couple of alternative approaches to operating system-level server hardware emulation, but because limited time for learning new operating systems must be modified, languages and tools. virtualization are available, but to resource allocation is static, meaning employ each of these calls for making • Hosting service providers (HSPs) scalability is limited. some form of compromise. and VARs demand the highest levels of reliability and support. Verio VPS delivers the flexibility • Hardware emulation — Also required to achieve the control, • ASPs and software vendors require referred to as “virtual machine performance, security, and reliability the most secure, up-to-date, and technology,” hardware emulation your business demands. powerful applications. can run almost any operating system Verio VPS delivers a private, without extensive modification, but Performance, Control, and Security: The Benefits of Verio Virtual Private Servers (VPS)
  • 3. June 2007 | www.verio.com 3 Run the operating system that works for you Verio VPS solutions offer both Linux® and FreeBSD options. Linux® VPS FreeBSD® VPS Linux now garners a significant Businesses that favor FreeBSD- share of the OS market, and its based applications have the option to adoption rate continues to escalate. select Verio FreeBSD VPS. • Developed and released under the • As the name suggests, the GNU General Public License, the FreeBSD operating system is free source code for Linux is available of charge and comes with full to everyone at no cost. source code. • A Unix®-like OS, Linux is highly • FreeBSD offers advanced functional, adaptable, and robust. networking, performance, security, Developers can easily extend and compatibility features, many of functionality with e-commerce, which are absent from commercial databases, and a wide variety of offerings. applications. • FreeBSD is a very economical • The Linux developer community alternative to commercial Unix is very large, so there are a great workstations. It is easy to install many Linux applications now and well suited for a great number available. Governments around the of server applications. world are now endorsing Linux as the OS of choice. FreeBSD Unix is derived from the Berkeley Software Distribution Verio Linux VPS features Red (BSD) of Unix and distributed Hat® Enterprise Linux (RHEL), under the terms of the FreeBSD a widely used OS based on open Foundation. FreeBSD VPS utilizes: standards. The RHEL operating system provides support for a GNU • FreeBSD Unix, a widely compiler collection (GCC) and implemented corporate Unix Red Hat Package Manager (RPM). standard Those familiar with open-source • FreeBSD version 6.0 software applications are likely to find it easy to perform basic essential • The Unix File System 2 configuration, administration, and trouble-shooting tasks. Performance, Control, and Security: The Benefits of Verio Virtual Private Servers (VPS)
  • 4. June 2007 | www.verio.com 4 Verio VPS: More performance, memory, and network resources. technology in that it always runs the Each is allocated its “fair share” same OS kernel as the host system. less management and insulated from others on the This approach enables running VPS Verio virtualization software same server, thereby protecting accounts with near-zero overhead, partitions the resources of a physical the individual account from the so you realize an order of magnitude server such that each user, or VPS misbehavior of others. A fault in higher efficiency and manageability. account, realizes performance one application running within a benefits that could otherwise VPS account does not affect any High application performance be realized only with an actual applications running on other VPS dedicated server. and stability accounts on the same physical Verio VPS is an enterprise-class server. In addition, the Verio solution platform, which delivers open helps customers avoid many of the source technology and stability. Each VPS is allocated its own disk management hassles commonly The platform’s use of FairShare space and processes, which cannot associated with dedicated hardware technology balances server loads to be abused by a “neighboring” resources. In short, Verio VPS make Verio VPS supremely reliable. account. Usage thresholds are put in delivers a unique combination of place and enforced. As a result, your performance, control, security, and The solution supports a host of Websites and applications perform manageability. mission-critical applications and consistently and reliably. tools. A “skel” package of core services is preconfigured with each FairShare technology: The A brief technical overview of account, including: high-performance approach the virtualization features to resource management Verio VPS is built on a software architecture of operating system- • Hypertext Transfer Protocol Verio FairShare technology level virtualization, which differs (HTTP) and HTTPS manages how each VPS uses system resources such as processing power, from the traditional virtual machine • Simple Mail Transfer Protocol Technical highlights of • From an “applications” point of view, each VPS is an independent system by virtue of a virtualization layer in the kernel of the host OS, which is installed Verio VPS include: on a hardware node. • VPS systems behave like a dedicated system with standard startup scripts. • Software runs inside a VPS without operating system-level, virtualization- specific modifications or adjustment. • Users can change any configuration file and install additional software. • Each VPS has its own IP address, so the network virtualization layer isolates each VPS account, making traffic “snooping” impossible. • Advanced routing features are supported. Performance, Control, and Security: The Benefits of Verio Virtual Private Servers (VPS)
  • 5. June 2007 | www.verio.com 5 (SMTP), Post Office Protocol • Install, customize, and run almost (POP), and Internet Message any custom or off-the-shelf Access Protocol (IMAP) for email application. DEFAULT APPLICATIONS • File Transfer Protocol (FTP) • Host multiple sites with separated Many applications come installed • Shell access tools: Telnet domains. by default with your Verio VPS (FreeBSD only), Secure Shell • Create and run unlimited email account, including: (SSH), and cron accounts. • Apache modules Core services are managed by To help administrators make quick • Autoresponder support Verio, but you can configure them to work of application installations, satisfy your specific needs and then Verio VPS includes a library of • FTP server rely on Verio for support, if needed. custom installation scripts, or • GNU compiler collection A new VPS comes configured vinstall utilities: • Internet message access protocol as a Web and email server. The (IMAP) account begins as a copy-on-write • SpamAssassin Spam Filtering • OpenSSH (COW) image of a Verio-tested, • Apache Tomcat • Perl and mod_perl basic installation. As system • ClamAV Virus Scanning • POP3 server administrators update and customize • CPX: Control Panel • Ruby the account, the account continues to use central files maintained by • MySQL • Sendmail SMTP server Verio. Verio system administrators • PHP Hypertext Processor • OpenSSL continuously manage updates to • SASL authentication core services. • Web server Extra security, extra peace of mind Complete flexibility and The virtualization approach management control employed by Verio makes the VPS Verio VPS assures root access for inherently secure. A server sandbox total administrative control. As a creates a fully isolated environment VPS customer, you can install the where each VPS has its own software you require and configure complete directory structure, its the server to meet your needs. The own virtual file system, and its own system’s flexibility allows you to: set of independent applications. Security policy limits one VPS from • Configure and customize your interfering with, or even seeing, server with friendly Web-based another VPS. controls. Performance, Control, and Security: The Benefits of Verio Virtual Private Servers (VPS)
  • 6. June 2007 | www.verio.com 6 Verio’s commitment to server • Verio technical experts who per month. All three plans offer a security also includes: manage updates and patches common set of features, including • World-class technical support FairShare technology, but some key • Round-the-clock monitoring and 24/7/365 performance factors differ among intrusion detection at Verio’s tiers, such as disk space, total global Tier-1 data center processes, total open files, CPU Multiple plans to suit your priority, memory, and burstable • Triple data backups for data integrity price-performance needs memory. The table provided below • Operating systems and hardware Verio offers three VPS plans for specifies resource allocation details that are continuously tuned each OS, starting at just $89.95 and other key features. FreeBSD Linux VPS Features Basic 1000 2000 Basic Pro Pro Plus Setup Free Free Free Free Free Free Per-Month Charge $89.95 $149.95 $279.95 $89.95 $149.95 $279.95 Bandwidth Transfer No charge No charge No charge No charge No charge No charge Disk Space 10 GB 20 GB 40 GB 10 GB 20 GB 40 GB Resource Rating (CPU, Memory, etc.) Good Better Best Good Better Best Domain Names (Recommendations) No limit No limit No limit No limit No limit No limit FreeBSD 6.x Operating System • • • Red Hat Enterprise Linux (RHEL) OS • • • Intel Hardware • • • • • • SSH Shell Access • • • • • • Telnet • • • FTP Access • • • • • • iManager Control Panel • • • CPX Control Panel • • • • • • Average Number of Subhosts 15 30 60 15 30 60 Average Number of Email Users 50 100 200 50 100 200 Performance, Control, and Security: The Benefits of Verio Virtual Private Servers (VPS)
  • 7. June 2007 | www.verio.com 7 Conclusion: to suit the needs of companies Verio VPS delivers a compre- large and small. At the core of hensive solution. our company is a Tier-1 global Verio VPS is designed to satisfy IP network designed exclusively your business and technology for Internet data transport. And issues. The turnkey solution we keep you at the forefront of minimizes the time and resources Internet technology by continually you need to allocate to server upgrading our network. In 2000, management, allowing you to Verio joined forces with NTT remain focused on pressing Communications, the world’s business issues. largest telecommunications company. Today, we are a strong, The VPS solution deliver the stable IP leader and the smart benefits of open source technology choice if you demand a business supporting thousands of appli- partner with the resources needed cations and development tools, to help grow your business. while delivering world-class stability. In addition to the optimum The Verio 360° Managed combination of performance, Servers product family delivers control and security, Verio pro- professional server management, vides world-class support you can proactive security and OS updates, count on. and enterprise-class hardware. Composed of the Verio 360° Managed Private Server and Verio Verio: a smart choice. 360° Virtual Private Server plans, Verio focuses solely on turning on 360º Managed Servers surround the power of the Internet — every you with specialized service and minute of every day— all over support, minimizing your time and the globe. We build solutions cost requirements and freeing you with unparalleled scalability to concentrate on your customers. Performance, Control, and Security: The Benefits of Verio Virtual Private Servers (VPS)