Download Application Acceleration and WAN Optimization Fundamentals by Ted Grevers Jr., Joel Christner CCIE No. 15311 PDF

By Ted Grevers Jr., Joel Christner CCIE No. 15311

ISBN-10: 1587053160

ISBN-13: 9781587053160

IT enterprises face strain to extend productiveness, enhance program functionality, help international collaboration, increase facts safeguard, and reduce bills. In today’s WAN-centered environments, conventional LAN-oriented infrastructure techniques are inadequate to fulfill those targets. software Acceleration and WAN Optimization basics introduces a greater answer: integrating today’s new iteration of accelerator suggestions to successfully and successfully scale networks past conventional functions whereas bettering functionality and minimizing bills via consolidation.

 

Ted Grevers and Joel Christner start via reviewing the demanding situations community execs face in providing purposes to globally allotted workforces. You learn the way accelerators are reworking program enterprise types, permitting IT departments to centralize and consolidate assets whereas additionally supplying regularly better functionality.

 

Grevers and Christner convey easy methods to establish community shoppers, prioritize site visitors, and warrantly acceptable throughput and reaction instances to business-critical purposes. You the best way to use caliber of carrier suggestions comparable to packet category and staining and site visitors policing, queuing, scheduling, and shaping.

 

Next, you examine innovations for integrating accelerators and optimization prone into your community and for optimizing content material supply. The authors express how one can deal with program protocol-related functionality difficulties that can not be resolved via compression or movement optimization on my own. within the ultimate bankruptcy, the authors stroll you thru numerous real-world eventualities for using accelerator know-how.

 

Ted Grevers, Jr., is the answer supervisor for the Cisco® Video IPTV platforms try out and structure (C-VISTA) workforce. He has vast event within the content material supply community (CDN) marketplace, concentrating on firm and repair supplier content material supply and alertness optimization wishes.

 

Joel Christner, CCIE® No. 15311, is the chief of technical advertising for the Cisco program supply enterprise Unit (ADBU). He has huge adventure with program protocols, acceleration applied sciences, LAN/WAN infrastructure, and garage networking. Grevers and Christner are key participants to the layout and structure of Cisco software supply and alertness acceleration solutions.

 

  • Provide high-performance entry to distant info, content material, video, wealthy media, and applications
  • Understand how accelerators can increase community functionality and reduce bandwidth consumption
  • Use NetFlow to baseline program specifications and community usage
  • Ensure community assets are allotted in response to enterprise priorities
  • Identify functionality obstacles coming up from networks, protocols, working platforms, undefined, dossier structures, and applications
  • Employ application-specific acceleration elements to mitigate the unfavorable effect of latency and bandwidth consumption
  • Integrate content material supply networks (CDN) to centrally deal with the purchase, safeguard, and distribution of content material to distant locations
  • Leverage WAN optimization applied sciences to enhance program throughput, mitigate the impression of latency and loss, and reduce bandwidth intake
  • Optimize the functionality of WANs and business-critical WAN applications

 

This booklet is a part of the Cisco Press® basics sequence. Books during this sequence introduce networking pros to new networking applied sciences, overlaying community topologies, pattern deployment techniques, protocols, and administration techniques.

 

Category: Cisco Press/Networking

Covers: community Optimization

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Example text

For instance, if a packet-loss event is never encountered, the connection will not exit the TCP slow start phase. In such a scenario, the amount of network capacity is likely very high and congestion is nearly nonexistent. With such a situation, the TCP throughput will be limited by the maximum window size or by other variables such as capacity in the send and receive buffers and the latency of the network (how quickly data can be acknowledged). TCP slow start hinders application throughput by starving connections of precious bandwidth at the beginning of their life.

Figure 2-10 shows how TCP acts as an intermediary between applications and the network and manages movement of data among data buffers while managing the connection between application processes. Figure 2-10. TCP Transmit and Receive Buffers ACK Message Each exchange of data between two connected peers involves a 32-bit sequence number (coordinating position within the data stream and identifying which data has been previously sent) and, if the ACK flag is set, an acknowledgment number (defining which segments have been received and which sequence is expected next).

The overall application performance is throttled because the server can then only respond to the requests as they are being received. Figure 2-5. Performance Impact of Bandwidth Disparity: Client to Server 33 34 When the server responds to the client, the same challenges are encountered, as shown in Figure 2-6. Potentially large amounts of data can be sent from the server when it services a user request. This data, when set in flight, encounters the neighboring router, which is managing the bandwidth disparity, and the data is trickled over the network based on the capacity available to the flow.

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