By Antonio Nucci, Konstantina Papagiannaki
Designing effective net Protocol (IP) networks and holding them successfully poses more than a few demanding situations, yet during this hugely aggressive it can be crucial that those are conquer. Weaving jointly concept and perform, this name units out the layout and administration rules of large-scale IP networks, and the necessity for projects to be underpinned through real measurements. Discussions of the categories of measurements on hand in IP networks are incorporated, besides the ways that they could support either within the layout section in addition to within the tracking and administration of IP functions. different issues coated comprise IP community layout, site visitors engineering, community and repair administration and protection. A beneficial source for graduate scholars and researchers in electric and desktop engineering and machine technological know-how, this can be additionally a great reference for community designers and operators within the communique undefined.
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Extra info for Design, Measurement and Management of Large-Scale IP Networks: Bridging the Gap Between Theory and Practice
Real-time tracking of the health of the network is achieved through the use of commercial or custom-made tools that periodically poll specific statistics from the network elements and collect them at a central location, typically called a Network Management Station (NMS). Example products in this space are Hewlett-Packard OpenView, Concord Network Health, InfoVista VistaView and Multi-Router Traffic Grapher (MRTG) to name a few. These tools are not only deployed for the management of ISP networks, but are also in common use for the management of enterprise networks.
8 Mbps. To support these data rates, a three-disk RAID4 array which has an I/O capacity of 240 Mbps (30 MBps) is 4 The RAID array uses a software RAID controller available with Linux. 38 The need for monitoring in ISP network design and management sufficient for the OC-3 and OC-12 systems. To support OC-48 link speeds, a five-disk RAID array with higher performance disks is needed, capable of supporting 400 Mbps (50 MBps) transfers. The final choice of how many disks and their type primarily depends on the market availability and the expected transfer rate in MBps.
All packet-capture systems have strict requirements in terms of processing power, access time to hard disk, memory and acceptable packet-drop rates. g. g. to compute one-way delay). We discuss these requirements in what follows. Our discussion revolves around the choices made in the Sprint IPMON project. Despite minor differences between packet-capture systems, we believe that the following requirements are shared by all systems in this space. Having said that the detailed design choices listed below are indeed specific to the IPMON implementation and may be slightly different to what is on the market at the time of this publication.
Design, Measurement and Management of Large-Scale IP Networks: Bridging the Gap Between Theory and Practice by Antonio Nucci, Konstantina Papagiannaki