Cloud computing and SaaS

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  • GB billing

    In the telecommunications industry, gigabyte (GB) billing is a form of Internet usage-based billing determined by how many GBs of bandwidth are used by a customer across an Internet service provider's (ISP's) network. 

  • bandwidth

    Bandwidth is generally either (1) the amount of data that can be carried from one point to another in a given time period (usually a second) 

  • managed service provider (MSP)

    A managed service provider (MSP) provides delivery and management of network-based services, applications, and equipment to enterprises, residences, or other service providers. 

  • tunneling or port forwarding

    Tunneling is the transmission of data intended for use only within a private, usually corporate network through a public network in such a way that the routing nodes in the public network are unaware that the transmission is part of a private network... 

  • WAN (Wide Area Network)

    A wide area network (WAN) is a geographically dispersed telecommunications network. The term distinguishes a broader telecommunication structure from a local area network (LAN). 

  • extranet

    An extranet is a private network that uses Internet technology and the public telecommunication system to securely share part of a business's information or operations with suppliers, vendors, partners, customers, or other businesses. 

  • Layer Two Tunneling Protocol (L2TP)

    Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private network (VPN) over the Internet. 

  • virtual routing and forwarding (VRF)

    Virtual routing and forwarding (VRF) is a technology included in IP (Internet Protocol) network routers that allows multiple instances of a routing table to exist in a router and work simultaneously. 

  • WAN interface card (WIC)

    A WAN interface card, or WIC, is a specialized network interface card (NIC) that allows devices to connect to a wide area network. 

  • Network Address Translation (NAT)

    NAT (Network Address Translation or Network Address Translator) is the translation of an Internet Protocol address (IP address) used within one network to a different IP address known within another network. 

  • See more Definitions on Cloud computing and SaaS
  • Top 5 wide area network (WAN) trends of 2012

    Cloud computing, mobility and video are some driving forces affecting enterprise networks. See the top five wide area network (WAN) trends of 2012. 

  • How does cloud computing affect WAN bandwidth?

    This podcast interview with IT network expert Zeus Kerravala answers the question: How does cloud computing affect wide area network (WAN) bandwidth? Learn the answer to this question and discover what a WAN manager can do to lessen the negative effe... 

About Cloud computing and SaaS

New service options, namely cloud computing and SaaS (software as a service), are emerging as ways for enterprises to gain access to additional IT resources. These services impact the WAN, however, and their pros and cons must be considered. Learn more about the basics of each and how to mitigate their effects on network security, data sourcing and storage, application performance and traffic bottlenecks.