By Tim Szigeti

Best-practice QoS designs for shielding voice, video, and important information whereas mitigating community denial-of-service attacks

• Understand the service-level standards of voice, video, and knowledge purposes
• Examine strategic QoS top practices, together with Scavenger-class QoS strategies for DoS/worm mitigation
• Learn approximately QoS instruments and many of the interdependencies and caveats of those instruments which may influence layout issues
• Learn find out how to shield voice, video, and information site visitors utilizing quite a few QoS mechanisms
• Evaluate layout suggestions for shielding voice, video, and a number of periods of information whereas mitigating DoS/worm assaults for the subsequent community infrastructure architectures: campus LAN, deepest WAN, MPLS VPN, and IPSec VPN

Quality of carrier (QoS) has already confirmed itself because the permitting know-how for the convergence of voice, video, and information networks. As enterprise wishes evolve, so do the calls for for QoS. the necessity to shield severe purposes through QoS mechanisms in enterprise networks has escalated over the last few years, essentially because of the elevated frequency and class of denial-of-service (DoS) and bug attacks.

End-to-End QoS community Design is a close guide for making plans and deploying QoS recommendations to deal with present company wishes. This publication is going past discussing to be had QoS applied sciences and considers specific layout examples that illustrate the place, whilst, and the way to set up a variety of QoS beneficial properties to supply confirmed and established ideas for voice, video, and demanding info over the LAN, WAN, and VPN.

The e-book starts off with a quick heritage of community infrastructure evolution and the next want for QoS. It then is going directly to disguise a number of the QoS good points and instruments at present on hand and reviews on their evolution and course. The QoS requisites of voice, interactive and streaming video, and a number of periods of information purposes are provided, in addition to an summary of the character and results of varied varieties of DoS and computer virus assaults. QoS best-practice layout ideas are brought to teach how QoS mechanisms may be strategically deployed end-to-end to deal with program necessities whereas mitigating community assaults. the following part makes a speciality of how those strategic layout ideas are utilized to campus LAN QoS layout. issues and particular layout options particular to the entry, distribution, and middle layers of an firm campus community are provided. deepest WAN QoS layout is mentioned within the following part, the place WAN-specific concerns and distinct QoS designs are awarded for leased-lines, body Relay, ATM, ATM-to-FR provider Interworking, and ISDN networks. Branch-specific designs contain Cisco® secure options for utilizing Network-Based software popularity (NBAR) for known-worm identity and policing. the ultimate part covers Layer three VPN QoS design-for either MPLS and IPSec VPNs. As companies are migrating to VPNs to satisfy their wide-area networking wishes at decrease charges, issues particular to those topologies are required to be mirrored of their customer-edge QoS designs. MPLS VPN QoS layout is tested from either the company and repair provider's views. also, IPSec VPN QoS designs hide site-to-site and teleworker contexts.

Whether you're looking for an creation to QoS rules and practices or a QoS making plans and deployment consultant, this publication provide you with the professional recommendation you want to layout and enforce complete QoS solutions.