SNA White Papers

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Feb 10, 2012

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SNA
ALSO CALLED: Systems Network Architecture, IBM SNA, System Network Architecture DEFINITION: Systems Application Architecture (SAA) was IBM's strategy for enterprise computing in the late 1980s and early 1990s. It was replaced and considerably expanded by IBM's Open Blueprint , an enterprise strategy for network computing. Both of these are structured views of the types of computing services that an enterprise may need, the relationships between these services, and specification of the standards … Definition continues below.
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An Overview of MPLS VPNs: Overlay, Layer 3, and PseudoWire sponsored by Global Knowledge WHITE PAPER: This paper examines the big picture when it comes to Multiprotocol Label Switching (MPLS), and what happens when a data packet traverses an MPLS cloud. Posted: 22 Nov 2010 \| Published: 22 Nov 2010 TOPICS: IT Industry \| IT Infrastructure \| MPLS \| Network Management \| Network Management Protocols \| Network Protocols \| VPN \| VPN Software

Enhanced Interior Gateway Routing Protocol (EIGRP) sponsored by Global Knowledge WHITE PAPER: Every routing protocol has some pros and cons and its own metric considerations. In this white paper, we will discuss Enhanced Interior Gateway Routing Protocol (EIGRP), a Cisco-proprietary routing protocol. Posted: 24 Feb 2010 \| Published: 24 Feb 2010 TOPICS: IGP \| Internetworking Hardware \| IP Routing \| Network Management Protocols \| Network Protocols \| Networking \| Routing \| Routing Protocols

Facilitating “sound practices” in risk management with IBM OpenPages ORM sponsored by IBM WHITE PAPER: This white paper discusses operational risk management (ORM) in the context of "Sound Practices for the Management and Supervision of Operational Risk," a paper from the Basel Committee. Posted: 08 Feb 2012 \| Published: 08 Feb 2012 TOPICS: Business Intelligence \| Compliance (Finance) \| Compliance (Systems Operations) \| Risk Assessment \| Risk Management \| Standards

Miercom Lab Testing Summary Report: Shortest Path Bridging Protocol sponsored by Avaya WHITE PAPER: This whitepaper is a lab testing summary report of Ethernet fabrics. The study is trying to validate the advantages provided to the data center implementations by Shortest Path Bridging Mode (SPB or SPBM) protocol. Posted: 01 Nov 2011 \| Published: 01 Nov 2011 TOPICS: Data Center Infrastructure Efficiency \| Data Center Management \| Data Center Networking \| Data Centers \| Ethernet Networks \| Network Best Practices \| Network Configuration Management Software \| Network Infrastructure \| Network Management \| Network Protocols \| Networking \| VMware

Multiprotocol Label Switching (MPLS) Overview sponsored by Global Knowledge WHITE PAPER: MPLS stands for Multiprotocol Label Switching and is defined as “a mechanism in high-performance telecommunications networks that direct and carried data from one network node to the next, making it easy to create ‘virtual links’ between distant nodes.” Read on for a thorough overview of MPLS and learn how MPLS can benefit your organization. Posted: 22 Nov 2010 \| Published: 22 Nov 2010 TOPICS: Layer 2 Switches \| MPLS \| Network Management \| Network Management Protocols \| Network Protocols \| WAN \| WAN Switches \| WAN Switching

OSPF Synchronization sponsored by Global Knowledge WHITE PAPER: With IP there are two Link-State protocols in use OSPF (Open Shortest Path First) and IS-IS (Intermediate System to Intermediate System). Both work in much the same way, but OSPF is more commonly used. This white paper examines OSPF synchronization. Posted: 22 Nov 2010 \| Published: 22 Nov 2010 TOPICS: IP \| IP Routing \| Link Access Protocols \| Network Management \| Network Management Protocols \| Network Protocols \| OSPF Protocol \| Routers \| Routing

Reducing Network Complexity, Boosting Performance with HP IRF Technology sponsored by Global Knowledge WHITE PAPER: In this white paper, learn how Intelligent Resilient Framework (IRF) technology can help you improve the performance of network switches. Posted: 13 Jan 2012 \| Published: 13 Jan 2012 TOPICS: Data Center Management \| Data Center Networking \| Network Infrastructure \| Network Performance \| Network Protocols \| Switches

The TCP/IP and OSI Models sponsored by Global Knowledge WHITE PAPER: Check out this white paper to learn about two network protocol models, TCP/IP and OSI. Posted: 04 Mar 2011 \| Published: 04 Mar 2011 TOPICS: Link Access Protocols \| Network Design \| Network Management Protocols \| Network Protocols \| OSI Protocols \| TCP/IP

Using Voice over IP (VoIP) in Mobile Networks sponsored by Global Knowledge WHITE PAPER: While the technology that supports VoIP has been present since the mid-1990s, the ability to quickly alternate between VoIP and circuit-switched networks has come into prominence in the last few years. Access this white paper for a full history and overview of the current mobile communications landscape. Posted: 20 Jun 2011 \| Published: 20 Jun 2011 TOPICS: Fixed Wireless Networks \| Fixed-mobile Convergence \| Mobile Device Management \| Mobile IP \| Network Convergence \| Network Protocols \| Video Telephones \| VoIP

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SNA DEFINITION (continued): … and products that are envisioned as providing these services.SAA defined three layers of service:Common User AccessCommon Programming InterfaceCommon Communications SupportBy using or creating applications and data that conformed to these three layers (provided by strategic IBM products), an enterprise could be assured of consistency and some amount of program portability among IBM's range of computer systems. As IBM, along with the rest of the computer industry, discovered the value of industry-wide standardization and open computing, the company revised its strategy. Its new strategy, the Open …
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