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ARP

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ALSO CALLED: Address Resolution Protocol
DEFINITION: Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address (IP address) to a physical machine address that is recognized in the local network. For example, in IP Version 4, the most common level of IP in use today, an address is 32 bits long. In an Ethernet local area network, however, addresses for attached devices are 48 bits long. (The physical machine address is  … 
Definition continues below.
ARPReports
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ANALYST REPORT: This white paper explains the importance of understanding financial numbers and how to get the most out of your narrative analysis.
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Cisco Unified Access Technology Overview: Converged Access
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Adaptive Packet Filtering
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Application Delivery Controller Performance Report
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Cisco and Standards: Opening the Door to Borderless Networks
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WHITE PAPER: This white paper details the need for standards adoption and adherence in order to reap the rewards in the following areas: Integration and testing, deployment, operations, problem resolution, availability, security, accessibility, open systems, cost savings, and choice.
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Cisco Intercompany Media Engine for Dummies Section 1: SIP Alone Doesn't Cut It
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SOFTWARE LISTING: The GigaStack GBIC offers wiring closet deployment flexibility through its dual operating modes.
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WHITE PAPER: Many organizations are in the midst of implementing ITIL. But are they putting the appropriate operational processes into place? Learn how automating operational processes with run book automation software can help organizations better benefit from ITIL.
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Computer Weekly – 19 March 2013: Delivering software development success
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EZINE: In this week's Computer Weekly, we talk to IT leaders about successful software development, and how they combine the best of agile and waterfall methods. Drugs giant AstraZeneca talks about how it changed its outsourcing approach to eliminate past mistakes. And we look at a new social media bank that is shaking up the sector. Read the issue now.
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Database Middleware: Struggling with Performance?
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WHITE PAPER: Drivers are an important component of database middleware, but they don’t work in isolation. They’re part of a multi-layered architecture that handles the communication between a database application and the database management software. Learn how these layers influence performance and how to optimize efficiency for data requests and responses.
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Progress DataDirect
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ARP DEFINITION (continued): …  also known as a Media Access Control or MAC address.) A table, usually called the ARP cache, is used to maintain a correlation between each MAC address and its corresponding IP address. ARP provides the protocol rules for making this correlation and providing address conversion in both directions.How ARP WorksWhen an incoming packet destined for a host machine on a particular local area network arrives at a gateway, the gateway asks the ARP program to find a physical host or MAC address that matches the IP address. The ARP program looks in the ARP cache and, if it finds the address, provides … 
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