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Web Hosting

Web Hosting You are Starting an e-business venture You must decide: Do I host my own web site on my own infrastructure, or do I outsource it? Do I develop my own web site content, or do I outsource it? Web Hosting Do You need an ISP to connect you to the internet?

MikeCarlo
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Web Hosting

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  1. Web Hosting • You are Starting an e-business venture • You must decide: • Do I host my own web site on my own infrastructure, or do I outsource it? • Do I develop my own web site content, or do I outsource it?

  2. Web Hosting Do You need an ISP to connect you to the internet? Or do you buy (or rent) your own connection? • T1 = 1.5 Mbits/sec (or fraction thereof) • T3 = 44.7 Mbits/sec • Do you need a Domain Name? • Virtual Hosting = Your domain; Their host

  3. Web Hosting • Business Decisions • Based on $$ (sales, revenue, goodwill, numbers) • How do I estimate • Ongoing Support Costs • Ongoing Maintenance Costs • The cost of SCALING • Traffic volumes • The cost of being DOWN

  4. Web Hosting • You might also need: • Full-time Staff for Content: Web Master, Web Designer, Web Developers • Full-time Staff for Operations: Server Admin, Security Admin, DBAs, Storage Admin • A “data center” for Physical Security and Protection (UPS, A/C, Halon, generators) • Manage Operations, Backups, Security • Measure Traffic Patterns • Ability to Scale to Handle Traffic • Redundancy to Provide High Availability • Firewalls to Handle Security • Keep Pace with Rapid Technology Changes

  5. Web Hosting • ISP must connect to backbone through NSP (Network Service Provider) • ISPs connect to each other through NSP • An ISP connects through the NSP’s NAP (network access point) • Backbone = long distance phone companies with very fast WAN connections Sprint, MCI (Verizon), AT&T

  6. Web Hosting Services provided by an ISP • DNS = they should have a DNS within their network • Email server • Radius server – authenticates users, does accounting & logging • Web servers – for hosting web sites, FTP services, IRC (internet relay chat) • Proxy server – caches web pages • 7X24 tech support • Static IP addresses • Your home ISP will dynamically assign you an IP address for your session • A business may require a static IP address for its own domain name

  7. Web Hosting Static Versus Dynamic IP Address You do NOT need a static IP address if you ONLY • browse the Internet • send and receive e-mail via your ISP’s server • upload or download files • use Instant message services or chat services You PROBABLY need a static IP address if you • Host a web server, an email server, or an FTP server • send and receive e-mail via your ISP’s server • upload or download files • use Instant

  8. Web Hosting Deciding: Check out www.cnet.com ISP buyer’s guide • Compare local ISPs • Bandwidth meter

  9. Web Hosting You need a Domain Name Registering ICANN What is ICANN? • The Internet Corporation for Assigned Names and Numbers (ICANN) is an internationally organized, non-profit corporation that has responsibility for Internet Protocol (IP) address space allocation, protocol identifier assignment, generic (gTLD) and country code (ccTLD) Top-Level Domain name system management, and root server system management functions. These services were originally performed under U.S. Government contract by the Internet Assigned Numbers Authority (IANA) and other entities. ICANN now performs the IANA function.

  10. Web Hosting • A list of all accredited registrars: http://www.internic.com/alpha.html • Internic – a U.S. government dept of commerce function that makes public the work of the IANA. • Provides WHOIS search. – which registrar registered the domain name. • Can report issues such as someone else registering your company’s name http://www.internic.net/whois.html • Registration is good for 2 years at start, then must be renewed every year. • www.Godaddy.com

  11. Web Hosting • Do you need an ASP? • Application Service Provider • Rent web infrastructure PLUS applications to run • ERP • Database • For example, Payroll • www.Aspdirectory.com

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