In this article, we'll introduce the idea of thinking about private cloud security within the context of each of the five essential characteristics that define a cloud-based solution.
Added: 03/30/2012,
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This article takes a look at the requirements for a cloud computing solution.
Added: 07/08/2011,
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In this article, we will examine the different types of cloud service models and delivery models.
Added: 08/19/2011,
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With the advent of faster computer networks and a far more stable infrastructure has come the need for a quicker way to “switch” this information around. Two of the best known methods for doing so are ATM and Frame Relay. Within the confines of this article we will discuss just what they are and where they fit in.
Added: 01/12/2006,
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This tutorial provides and introduction to the OSI model and its layers.
Added: 10/22/2008,
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The OSI Reference Model is based on a proposal developed by the International Standards Organization (ISO). The model is called ISO OSI (Open systems Interconnection) Reference Model because it deals with connecting open systems - that is, systems that are open for communication with other systems.
Added: 05/08/2000,
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Includes: Token Ring Mechanism, Topology, Token Format, Frame Format, Ring Management
Added: 05/06/2000,
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Frame technologies are the medium between the physical electric signals and the higher-level logical packets that drive networking technology. Through the years, we have seen a number of prominent frame technologies.
Added: 08/02/2006,
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The second article in Dan’s Learn Cisco CCNA series outlines the functions of the ISO’s Open Systems Interconnect (OSI) model, including how this model relates to the TCP/IP packet creation process.
Added: 02/23/2002,
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The evolution of optical fiber as high-speed, low-cost transmission medium led to the Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH). In this article, you will learn basics of SONET/ SDH, differences between them and structure of SONET frame.
Added: 03/03/2006,
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The 12th article in Dan’s Learn Cisco CCNA series takes a look at the purpose of VLANs, how they operate, and how to extend VLANs in an architecture that includes multiple switches with trunk links.
Added: 06/03/2003,
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In this article, we'll look at all three models and gain an understanding about the pros and cons of each and learn why one size does not fit all.
Added: 05/20/2011,
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Covers the basic characteristics such as speed, capacity, media of WAN technologies such as Packet switching vs. circuit switching, ISDN, ATM, Frame Relay, Sonet/OCx, T1/E1, T3/E3.
Added: 02/12/2003,
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