07 Hosting

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Text of 07 Hosting

  • Target Audience, Hosting and Business Issues

  • Recap ISPsInternet Service Providers (ISPs)telecommunications companies that provide home or business users with a connection to the Internet. Organisations that provide Internet ServicesMust have a local Point of Presence (PoP) Charges and service vary considerablyApplication Service Providers (ASPs)Application Service providers (ASPs) offer a more complete service support than ISPs.

  • ISP / ASPTwo reasons to have oneDial up to connect to the internetWeb space, email, domain name etc.Home users these are usually the same ISPUsually free (http://uk-bargains.co.uk/free-internet.html)Business Users may not be the sameDifferent services, different rates

  • What services?Connection to The InternetEmail accounts (how many)Web Space (how much)Technical Help(free?)Fixed / varied IP AddressOther Items?

  • ISP ServicesChargesMost are free these days, except for the cost of phone calls. There are still a few like ClaraNET and Demon charging for a premium service or unmetred access.Other way of paying in SurfTime or unmetred (pay a set fee each month AnyTime)

  • ISP Services ContPerformancePaid-for ISPs generally okayUnmetred services can be variable depending on time of day and number of users connected. Unmetred services failing to cope with large numbers of users shortly after startup (BT, RedHotAnt)Others having to restrict the rate at which users sign up (NTLworld staggered release of sign-up CDs)

  • ISP Services (Cont)User SupportSupport web pages are becoming more common and more detailed, to answer the most frequently-asked questions. Services charging monthly fees tend to offer local-rate/freephone support numbers (Demon, Clara, etc) Free/unmetred services are using premium-rate numbers to subsidise the service (e.g. 50p a minute) The quality of tech support can vary widelyBT have been slated with BT Anytime

  • See what I mean????

  • Internet Services (Cont)Other facilities they offer such as web page space and supportMost offer web space (between 5Mb and 50Mb)Basic services (restricted /cgi-bin access, and logging if youre very lucky). Dedicated games servers (Clara, Nildram, Demon) Web filtering for family usage (LineOne, AOL etc)Anti-spam protectionPortal-type home pages etc.

  • What about ISPs for businesses?All of the above plusWeb Design ServicesChoice of Hosting Services (Unix, Linux or NT)E-commerceSecure SitesDomain Names

  • Which ISP should business use?Decide what is neededDecide how much you can spendSurf and find one / Ask peoples opinionsGet the most for your moneyhttp://www.cheapest-isp.co.ukhttp://www.uk-isp-directory.co.uk

  • Servers

  • Recap - Server and Client SideWeb Servers are used to store, manage and supply the information on the World Wide Server SideThe front-end experience - workstation/phone/PDA/kiosk from which a user accesses a server is described as a client

  • How to set up a web serverA server / Server Software / Operating systemhttp://www.serverwatch.comAny computer can be a server (the spec depends on the software you will use)http://www.howstuffworks.com/web-server.htmConnection to the internet IP Address / Domain Name Entry in Domain Name ServerOrSome ISP that will do the lot for you

  • Operating System..WindowsUnixLinuxThe difference????..the price and what you run on them.

  • Server SoftwareRuns on server. Examples includePersonal Web Server (Windows 98)IIS (Windows NT/2000/XP/2003)ApacheiPlanet Web ServerRoxenZeusThe differenceCant run .net on apache yetUsually run PHP on a non IIS server

  • You have the server..whats next??Connection To The Internet..IP AddressUsually done through an ISPAllocated in this country by RIPE (www.ripe.net)

  • Next StageDomain NameSomething that tells the person reading who or what you areRange From 1 to 5 million Usually done through an ISP Fee paid to ISP (varies)The ISP pay a fee to registering agencywww.easily.co.ukhttp://www.domainnameshop.co.uk/http://www.names.co.uk/http://www.dotcom.com/

  • Domain Name ServerDNS is the way that Internet domain names are located and translated into IP addresses.Maintaining a central list of domain name/IP address correspondences is impractical, the lists of domain names and IP addresses are distributed throughout the Internet in a hierarchy of authority. There is a DNS server within close proximity to your access provider that maps the domain names in your Internet requests or forwards them to other servers in the Internet.

  • Web Addresses for registries and related sitesNominet UK (www.nic.uk)Internic - http://www.internic.orgAsia/Pacific Region (APNIC - www.apnic.net) Americas and Southern Africa Region (ARIN - www.arin.net )Europe and surrounding areas (RIPE - www.ripe.net )http://www.norid.no/domreg.htmlhttp://www.netnames.co.uk

  • Technical Issues For A Web ServerSecurityWeb servers are a shop-front to any organisation, and very high-profile systems. Web site defacement is a major problem, as is unauthorised access to data or misuse of the server itself.http://www.w3.org/Security/Faq/http://www.cert.org/Reliabilitythe machine will be public-facing, so you cannot afford to be down for long, if at all.Backups

  • Technical Issues For A Web ServerBandwidthHave you got enough to cope with expected traffic, can you buy more if its needed, and if its capped in any way, how much is excess usage bandwidth going to cost ?PerformanceAre the machine and the software man enough for the job in hand ? Can they be easily scaled up to cope with increased workloads ?

  • Management Issues For A Web ServerPurchase CostRunning CostContent ManagementTheres no point having a web site if youre not going to bother keeping it up to date. Maintenance is neglected all too often, leading to cobweb sites.Internet EthicsIs the material likely to cause offence in some jurisdictions (remember, you may be targeting your material at one country, but be visible globally)Yahoo French Auction selling Nazi memorabilia

  • Management Issues For A Web ServerLegal issues Copyright, intellectual property, libel, data protection, privacy policies, security policiesInformation leakagecan you afford to risk certain data being exposed via your web server ? This is especially a problem for sites wanting to run web site and intranet from a single machine NOT recommended.Staff Cost

  • Management Issues For A Web Server (Cont)Especially OwnershipRaising a web site can turn a political turf war into a bloodbath unless handled properly. Responsibility for individual aspects of the site (content management, page editing, provision of material etc) needs to be sorted out from day one. This issue kills more web sites than any other management issue.

  • Where to Start for a business?Start with a web pageDreamweaverFrontpageA builder supplied by an ISPIts an e-commerce presenceA good and cheap option to get a business on lineVia an ISP

  • What will an ISP do for business??ChargesMost will charge extra for their business services. British ISPs are generally more expensive than American onesPerformanceBusiness customers generally expect, and get, better performance as theyre paying more.

  • ISP For Business (Cont)Web page hosting, facilities and web page designFull cgi-bin accessbetter logginghigher-performance web servers with more bandwidthdatabase servicesimproved security

  • ISP For Business (Cont)What else?leased line servicesdomain hostingConsultancye-commerce servicesSSL-enabled spaceUser Supporthigher-quality supportdirect access to supervisors/network engineerscall-outs for rented equipment.

  • E-Commerce Options where next??You have your little siteDecisions to make before the project grows! Do you...Go In-house - grow your own team without any help?Go In-house with some help from an organisation like an ISP or web design company?Link a shopping cart package to your existing web pages?

  • Target audienceYou have a global audience - Business and use comes from many countries - Designers therefore must address an international community with many culturesCommunity population on the Internet - 1997 USA & Canada 80% of the population - 1999 USA & Canada drop to 55% - 2000 50% USA & Canada, and 50% Overseas - 2005 projection 80% of users will be non America - 2010 projected figures world wide are: 200m USA, 200m European, 500m Asia, 100m rest of the world (Source: Designing Web Usability - Nielsen 2000)