wide area networking protocols
Tài liệu Chapter11 Wide Area Networking Protocols pptx
Ngày tải lên :
21/12/2013, 05:18
... Mode,ATM):国际电信联盟电信标准委员会(ITU-T)制 定的信元(cell)中继续标准.ATM 使用固定长度的 53 字节长的信元方式进行传输,ATM 网络的 面向连接的 Cabling the Wide Area Network Cisco 的串行连接支持几乎所有类型的 WAN 服务.HDLC,PPP 和帧中继使用相同的物理层定 义的接口,但是和 ISDN 的不一样.我们先来回顾下 router ... 之间的参考点 3.T 参考点:NT1 和 NT2 之间的参考点 4.U 参考点:NT1 与电信公司网络中的线路终端之间的参考点.U 参考点只有北美才有用,因为 那里是服商不提供 NT1 功能 ISDN Protocols ITU-T 定义了 ISDN 的协议,如图: ISDN Switch Types 全局配置模式下使用 isdn switch-type [keyword]命令来定义 ISDN...
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cisco ccna optional semester 4 labs – wide area networking
Ngày tải lên :
12/07/2014, 12:46
... http://www.adtran.com/data_sheets/html/61200/295/l1-8/index.html Cisco CCNA Optional Semester Labs – Wide Area Networking LAB – T1 / TSU WAN LINK – ANSWERS Step – Examine the TSUs Look at the back of one ... (BW) for interface Serial 0? 1544 Kbit (or 1.544 Mbps) Cisco CCNA Optional Semester Labs – Wide Area Networking LAB – T1 / TSU WAN LINK – ANSWERS Step – Test the WAN Connection between the routers ... Telnet client but not a Telnet server (no Telnet daemon) Cisco CCNA Optional Semester Labs – Wide Area Networking LAB – T1 / TSU WAN LINK – SETUP GUIDE Instructor Notes – TSU and Router Configuration...
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CCNA INTRO Exam Certification Guide - Part 5 Wide-Area Networking - Chapter 15 doc
Ngày tải lên :
13/08/2014, 13:21
... Which of the following protocols are used by DSL modem and routers for data link layer functions? a PPP b IEEE 802.3 c ATM d IEEE 802.1Q e 11 MCNS MAC Which of the following protocols is used by ... bps (600 baud) Mainly used outside the United States V.22bis* 2400 bps (600 baud) First widely deployed worldwide standard V.32 4800/9600 (2400 baud) Adjusts speed based on line quality V.32bis* ... higher-layer protocols (TCP, UDP, HTTP, FTP, Telnet, DNS, DHCP, and so on) can run over any of these access technologies; the differences lie in what is done at Layers and Figure 15-16 outlines the protocols...
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Describe wireless wide area networks (WWANs) and how they are used
Ngày tải lên :
13/09/2012, 10:52
... Objectives • Describe wireless wide area networks (WWANs) and how they are used • Describe the applications that can be used on a ... GPS Cellular Telephone Applications (continued) • Short Message Services (SMS) – One of the most widely used applications – Allows for the delivery of short, text-based messages between wireless ... signal to stay confined to the cell • Signal at a specific frequency does not go far beyond the cell area – Same frequency can be used in other cells at the same time – Except in adjacent cells • Cell...
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Tổng quan về mạng WAN (Wide Area Netwwork) - Phần mềm Cool Chat
Ngày tải lên :
27/04/2013, 22:04
... thương Việt nam yếu tố quan trọng Giải pháp mạng WAN ( Wide Area Network - Mạng diện rộng ) áp dụng Chúng có nhiệm vụ kết hợp tất mạng LAN (Local Area Network ) xa lại thành mạng có đường truyền tốc...
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Tài liệu cisco migration_Enterprise Branch Wide Area Application docx
Ngày tải lên :
10/12/2013, 16:15
... optimization, particularly using WAAS Enterprise Branch Wide Area Application Services Design Guide (Version 1.1) OL-12945-01 Introduction Figure Wide Area Application Services (WAAS) Mechanisms Applications ... Protocol (MGCP), and SIP • Streaming protocols These protocols handle voice streams that occur between voice endpoints These protocols tend to be UDP-based Streaming protocols are delay and jitter ... processing agent Voice application messages can be categorized into two sets of protocols: • Call control protocols These protocols are responsible for call control services such as setup, tear down,...
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Tài liệu Enterprise Data Center Wide Area Application Services (WAAS) Design Guide pptx
Ngày tải lên :
10/12/2013, 16:16
... 0.0.0.255 area 40 Enterprise Data Center Wide Area Application Services (WAAS) Design Guide OL-12934-01 49 Appendix B—Configurations network 12.20.95.0 0.0.0.255 area 40 network 12.20.96.0 0.0.0.255 area ... the WAN Edge Integrated Services Router 220643 WAN Edge WAN Client Data Center Wide Area Application Engine Wide Area Application Engine The WAN/branch router intercepts the packets from the client ... Aggregation Layer Integrated Services Router WAN Edge DC Core WAN DC Aggregation Wide Area Application Engine DC Access 220645 Wide Area Application Engine The aggregation switches intercept the packets...
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Tài liệu Wide Area Networks doc
Ngày tải lên :
11/12/2013, 14:15
... (LAPB), X.25, or Synchronous Data Link Control (SDLC) encapsulations WFQ is not an option for these protocols WFQ is also enabled by default on interfaces configured for Multilink Point-to-Point Protocol ... discards lower-priority traffic when the interface starts to get congested For robust transport protocols (such as TCP), WRED has the effect of throttling back lower priority traffic at the source ... user-defined traffic classes For CBWFQ, define traffic classes based on match criteria including protocols, access control lists (ACLs), and input interfaces Packets satisfying the match criteria...
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Tài liệu Ethernet Access for Next Generation Metro and Wide Area Networks pptx
Ngày tải lên :
21/12/2013, 06:15
... 66 67 Ethernet Access for Next Generation Metro and Wide Area Networks OL-14760-01 iii Ethernet Access for Next Generation Metro and Wide Area Networks Introduction Scope This document provides ... of areas, as in OSPF, and there is no need to flood a topology database • OSPF forces hierarchy (areas) decisions into a hub-and-spoke topology Ethernet Access for Next Generation Metro and Wide ... and Wide Area Networks 30 OL-14760-01 Design Considerations • Use of EIGRP stub areas eliminates queries to spoke routers • OSPF must periodically synchronize router databases within an area, while...
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Tài liệu Deploying Cisco Wide Area Application Services potx
Ngày tải lên :
21/02/2014, 19:20
... project with us viii Deploying Cisco Wide Area Application Services Contents at a Glance Foreword xix Introduction xx Chapter Introduction to Cisco Wide Area Application Services (WAAS) Chapter ... 4.0/4.1 CLI Mapping Index 544 599 547 569 595 xviii Deploying Cisco Wide Area Application Services Icons Used in This Book Wide- Area Application Engine Router Laptop Network Cloud Application Control ... edition of Deploying Cisco Wide Area Application Services, and updates the content to reflect the innovations that have been introduced in version 4.1.3 of the Cisco Wide Area Application Services...
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BACnet Wide Area Network Security Threat Assessment ppt
Ngày tải lên :
14/03/2014, 22:20
... modules to provide for a wide spectrum of data sensitivity and a diversity of application environments Four security levels are specified for each of 11 requirement areas These 11 areas are sections ... drive companies to the higher efficiencies that networking provides Competitors are driven to work together on open standards in order to enable networking: sharing resources and knowledge to ... NISTIR 7009 BACnet Wide Area Network Security Threat Assessment David G Holmberg U.S DEPARTMENT OF COMMERCE National...
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Mariposa: a wide-area distributed database system doc
Ngày tải lên :
23/03/2014, 12:20
... with a wide variety of hardware and storage capacities Each site has its own database administrator, and the willingness of any site to perform work on behalf of users at another site varies widely ... equijoin of all three tables: SELECT * FROM R1, R2, R3 WHERE R1.u1 = R2.u1 AND R2.u1 = R3.u1 In the wide area case, the query originates at Berkeley and performs the join over the WAN connecting UC ... Diego 6.2 Comparison of the purchase order and expensive bid protocols Before discussing the performance benefits of the Mariposa economic protocols, we should quantify the overhead they add to the...
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Đồ án tốt nghiệp chọn đường và ứng dụng trong thiết kế mạng wide area network WAN
Ngày tải lên :
04/04/2014, 07:36
... đặt mạng hàng trăm Km + Mạng diện rộng (Wide Area Network - WAN) mạng có phạm vi hoạt động vùng, khu vực vợt qua biên giới quốc gia +Mạng toàn cầu (Global Area Network - GAN) phạm vi mạng trải ... cầu +Mạng cục (Local Area Network - LAN) mạng đợc cài đặt phạm vi tơng đối nhỏ ( nhà, phòng ban công ty ) với đờng kính giới hạn khoảng vài chục Km +Mạng đô thị (Metropolitan Area Network - MAN) ... packet mạng vật lý ánh xạ trực tiếp packet thực Datagram Header FRAME Header Datagram Data Area FRAME DATA AREA Hình 2-2: Bọc gói tin IP frame Mạng vật lý coi toàn datagram gồm header nh liệu ý tởng...
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A WIDE AREA DISTRIBUTED DAT ABASE SYSTEM
Ngày tải lên :
28/04/2014, 13:38
... allocation In a wide- area network environment, these assumptions are much less plausible For example, the Sequoia 2000 project [STON91b] spans sites around the state of California with a wide variety ... assumptions traditionally made while implementing distributed data managers not apply to today’s wide- area network (WAN) environments We present a set of guiding principles that must apply to a system ... experimental test data SELECT * FROM R1, R2, R3 WHERE R1.u1 = R2.u1 AND R2.u1 = R3.u1 In the wide area case, the query originates at Berkeley and performs the join over the WAN connecting U C...
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design and evaluation of a wide-area event notification service
Ngày tải lên :
01/07/2014, 18:12
... [Network Protocols] : Applications; Routing Protocols; C.2.4 [Distributed Systems]: Client/server— Distributed applications; C.2.5 [Local and Wide- Area Networks]: Internet; C.2.6 [Internetworking]: ... an access point to the networkwide service In practice, the service becomes a wide- area network of pattern matchers and routers, overlaid on top of some other wide- area communication facility, ... 2001 Wide- Area Event Notification Service • 347 Fig General peer-to-peer server architecture connected with at most one path However, ensuring this can be difficult and/or costly in a wide- area...
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Wide area network and TCP IP
Ngày tải lên :
16/07/2014, 21:13
... share researchresources The TCP/IP suite of protocols has wide acceptance today, especially in the commercial and industrial community worldwide These protocols are used on both LANs and WANs They ... Wide- Area Network (WAN) WANs vs LANs TCP/IP (Transfer Control Protocol / Internet Protocol) ... Application Transport Internet Add Your Text Network Access The application layer handles high-level protocols, including issues of representation, encoding, and dialog control The TCP/IP model combines...
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Networking protocols for energy harvesting wireless sensor networks
Ngày tải lên :
10/09/2015, 15:50
... the protocols can be used even when the nodes are moving Our proposed protocols as well as existing networking protocols used for comparison in this thesis are shown in Fig 1.5 1.4.1 MAC Protocols ... there is a limit on the gains in performance provided by energy-efficient WSN networking protocols over general networking protocols for wired networks or wireless LANs An emerging solution is to ... which presents a greater challenge in designing suitable networking protocols for use in EH-WSNs than other energy-harvesting aware networking protocols since there is greater energy availability...
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Tổng quan về mạng WAN (Wide Area Network) – Phần mềm Cool Chat
Ngày tải lên :
02/12/2015, 08:37
... t y u t h t s c quan tr ng Gi i pháp m ng WAN ( Wide Area Network - M ng di n r ng ) đ c áp d ng Chúng có nhi m v k t h p t t c m ng LAN (Local Area Network ) m t m ng nh t có đ xa l i thành ng...
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