Cisco Press Cisco Catalyst QoS Quality of Service in Campus Networks

... Principles o Traffic shaping l l leaky bucket token bucket o Scheduling strategies l l l l l FIFO Priority Round Robin Fair Queueing RED o IntServ o DiffServ Queue Management Improving QOS in IP ... in IP Networks o IETF groups are working on proposals to provide better QOS control in IP networks, i.e., going beyond best effort to provide some assurance for QOS o Work in Prog...

Ngày tải lên: 06/04/2013, 11:05

... field application-perceived Quality of Service The work was done at the School of Engineering at Blekinge Institute of Technology (BTH) in the context of the Personal Information for Intelligent ... Messaging services, sending information essentially in one direction when required; • Interactive services, sending information in both directions in a request/response manner...

Ngày tải lên: 18/10/2013, 12:15

... 5.9 References Quality of service 6.1 Introduction 6.2 Routing in mobile ad hoc networks 6.3 Routing with quality of service constraints 6.4 Quality of service routing in ad hoc networks 6.5 Conclusion ... Acknowledgements Introduction 1.1 Ad hoc networking 1.2 The ad hoc wireless network: operating principles 1.3 Ad hoc networks: vulnerabiliti...

Ngày tải lên: 25/03/2014, 12:07

... The performance of the MAC protocols is tested for variable number of contending stations, basic and handshaking access, and the several access classes Every terminal is assumed to demand all four ... assumed to demand all four classes of access In case of saturation analysis, it is assumed that a packet is always available for transmission For AC3 of the proposed proto...

Ngày tải lên: 22/06/2014, 22:20

... is, dynamic source routing and ad hoc on-demand distance vector routing Their findings are expected to lead to further performance improvements of various ad hoc networks in the future The sixth ... Associate Professor in the Department of Electrical Engineering and Computer Science at the University of Toledo, USA He received his Ph.D degree from the Chinese Academy of Sci...

Ngày tải lên: 22/06/2014, 22:20

... 10. 4: P-CSCF adds SRF info to an incoming 183 response 273 CHAPTER 10 QUALITY OF SERVICE IN THE IMS 274 encryption mechanisms like S/MIME (described in Section 11.4) are not allowed in the IMS Section ... 272 CHAPTER 10 QUALITY OF SERVICE IN THE IMS LS semantics are typically used to group an audio and a video stream, as shown in Figure 10. 1 The...

Ngày tải lên: 01/08/2014, 17:21

... work is capable of intelligently provisioning bandwidth Two bandwidth provisioning schemes are presented for UMTS core backbone networks The Reinforcement Learning Adaptive Provisioning (RLAP) scheme ... Reinforcement Learning Formulation of Bandwidth Provisioning Problem 57 CHAPTER 5: Reinforcement Learning-based Provisioning for Core Backbone Network 5.1 In...

Ngày tải lên: 08/11/2015, 16:30

... © 2006 Cisco Systems, Inc All rights reserved QoS v2.2—4 Visual Objective for Lab 2-1: QoS Lab Setup and Initialization © 2006 Cisco Systems, Inc All rights reserved QoS v2.2—5 Logical Lab Backbone ... 2006 Cisco Systems, Inc All rights reserved QoS v2.2—6 Case Study Results: JC Whitney Service Classes © 2006 Cisco Systems, Inc All rights reserved QoS v2.2—18 Case Study Result...

Ngày tải lên: 04/07/2014, 01:20

... classes of service You can base policies on IP addresses, port numbers, protocols, or the size of packets You can use one of these descriptors to create a simple policy, or you can use all of them ... use the CID to index its table of stored session contexts 139 cRTP can compress the 40 bytes of header down to to bytes most of the time As such, about 98 percent of the time t...

Ngày tải lên: 30/09/2013, 05:20

... Digivance® Simulcast Networks New Network Architecture Reduce Network Costs and Improve Quality of Service Improving Grade of Service (GOS) While Reducing RF Channels Wireless service ... adopting new deployment strategies to reduce network costs and improve quality of service In one urban market, a major national wireless service provider...

Ngày tải lên: 10/12/2013, 19:15

... sorted into various types of service at the basic perimeter of the network and that those types of service should be implemented in the core of the network Routers in the core of the network can then ... levels or classes of service When traffic descriptors are used to classify traffic, the source agrees to adhere to the contracted terms and the network promises a quality...

Ngày tải lên: 11/12/2013, 14:15

... Objectives Upon completion of this module, you will be able to perform the following tasks: • Explain the significance of Quality of Service (QoS) • Describe new Quality of Service (QoS) features ... QoS enables you to offer carefully tailored grades of service differentiation to your customers • Coexistence of mission-critical applications Cisco QoS features make...

Ngày tải lên: 11/12/2013, 14:15

... 802.1p field (referred to as class of service or CoS), which is part of the 802.1Q tag • At Layer using the bits of DSCP field in the type of service (ToS) byte of the IP header Classification is ... econ_387_05_010 pt p The objective of this module is to define the quality of service (QoS) tools which must be implemented to provide a voice-enabled transport service fo...

Ngày tải lên: 11/12/2013, 14:15