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pptx
pptx

... • Practical material will become available through this year But would be impossible without Nick McKeown, David Underhill, Matthew Ireland, Andrew Ryrie and Antanas Uršulis ...
Local Area Networks
Local Area Networks

... The 4-layer Internet Model ...
Chapter 1 Fundamentals
Chapter 1 Fundamentals

... Low overhead for bursty long-lived or short-lived connectivity End-to-end instead of hop-by-hop Don’t put it in a lower layer if it cannot be completely done there! Hop-by-hop only for performance optimization ...
IP PBX - AudioCodes
IP PBX - AudioCodes

... • Offloading FEU refresh Registrations from the LAN IP PBX ...
Nextel: winning both PTT and 3G broadband TextStart It can be
Nextel: winning both PTT and 3G broadband TextStart It can be

... data services like HSPA, there was a blank spot for PTT applications. To continuously provide high quality PTT services, meet the consumption habits of end users, reduce the churn rate, and smoothly realize network transformation, Huawei partnered with Qualcomm to develop a customized PTT over WCDMA ...
PowerPoint **
PowerPoint **

... • In Internet of Things (loT) scenarios, a potentially (very) large number of nodes is able to establish low-power short range wireless links, thus forming a capillary networking infrastructure that can be connected to the Internet . ...
SIP over identifier/locator splitted next generation - DCA
SIP over identifier/locator splitted next generation - DCA

... UA2 (sip:[email protected]) NID2 (32-bit) FQDN2 (hostname2.sth.biloxi.com) ...
No Slide Title
No Slide Title

... – Support an optional Media Independent Interface (MII). – Support a speed of 10.000 Gb/s at the MAC/PLS service interface. – Define two families of PHYs: • A LAN PHY operating at a data rate of 10.000 Gb/s. • A WAN PHY operating at a data rate compatible with the payload rate of OC-192c/SDH VC-4-64 ...
CCNA 2 Module 9 Exam visual content
CCNA 2 Module 9 Exam visual content

... straight through cable to Router A’s Fast Ethernet port or Fa0/0. Router A has it’s Serial Inteface S0/0 configured with an IP address of 192.168.2.1/24. The serial link from Router A to Router B is established by Serial Link to to Router B’s Serial Interface S0/1 and it has been configured with an ...
DVA-G3340S Rev1.00.(1) - FTP Directory Listing - D-Link
DVA-G3340S Rev1.00.(1) - FTP Directory Listing - D-Link

... WPA *Available around Q4/2003 as a free download.: Wi-Fi Protected Access authorizes and identifies users based on a secret key that changes automatically at a regular interval. WPA uses TKIP (Temporal Key Integrity Protocol) to change the temporal key every 10,000 packets (a packet is a kind of mes ...
Quick HOWTO : Ch08 : Configuring the DHCP Server
Quick HOWTO : Ch08 : Configuring the DHCP Server

... Remember to set your client system to get its IP address “dynamically”. ...
1 - KFUPM Faculty List
1 - KFUPM Faculty List

... when the WLAN is connected to the wireline networks, and all the real time traffic from the wireline networks are routed through the access point (the ``bridge'' between the WLAN and the wireline network) to the wireless part. When this happens, excess delay may be incurred at the heavily loaded AP ...
MPLS Slides
MPLS Slides

... g  Label has local significance only –  IP addresses have global significance g  ...
Problem Statement
Problem Statement

... of untrusted peers) and the used PPSP protocols. • Malicious peers DDoS attack to tracker by sending fake request • Malicious peers may report fake information (e.g.,cheating trackers and other peers by claiming itself owning some unexisting data). ...
Unit 2 Lesson 3
Unit 2 Lesson 3

... (jam) signal. If a carrier signal is detected, it waits until that transmission is completed. Early DIX Ethernet did not have a carrier signal. Therefore, a collision was not detected until the destination device received the framed packet. The addition of a jam signal is one example of how Ethernet ...
ppt - Computer Science
ppt - Computer Science

... • Each byte in the stream has its own 32-bit sequence number – on a 56 kbps phone line, it takes 1 week (plus) to cycle through – “At 100 megabits/sec, the cycle time is 5.4 minutes” RFC 793 – “Maximum Segment Lifetime, the time a TCP segment can exist in the internetwork system. Arbitrarily defined ...
15-LANOverview8
15-LANOverview8

... encoding/decoding of signals preamble generation/removal bit transmission/reception transmission medium and topology ...
Introduction. The telecommunications service market
Introduction. The telecommunications service market

...  xDSL (x digital subscriber line) However, PSTN is  Easily congested when subscriber services (or behavior) changes unexpectedly (no graceful degradation as in CDMA-PLMN): resource wasting ...
COT 6930 Ad Hoc Networks (Part III)
COT 6930 Ad Hoc Networks (Part III)

... Enables a node to ensure that the identity of the peer node it is communicating with. ...
Chapter 1
Chapter 1

... • Every device that connects to a network needs an IP address. • Network administrators assign static IP addresses to routers, servers, and other network devices whose locations (physical and logical) are not likely to change. • User computers in an organization often change locations, physically an ...
Week 2
Week 2

... from this MAC address. • Forward delay timer - the time spent in each of the Listening and Learning states before the Forwarding state is entered. • Hello timer – The time interval of a hello packet sent out by the Root Bridge and the Designated Bridges. Hello packets are used to communicate informa ...
Chapter 1 - BRAC University Courses
Chapter 1 - BRAC University Courses

... • Every device that connects to a network needs an IP address. • Network administrators assign static IP addresses to routers, servers, and other network devices whose locations (physical and logical) are not likely to change. • User computers in an organization often change locations, physically an ...
Gemini/PD Technical Manual
Gemini/PD Technical Manual

Chapter_08
Chapter_08

... System): specialized network of the U.S. Department of Defense • GPS receiver uses signals broadcast by satellites to determine its position. • At any point on planet, four satellites will be above the horizon. Copyright © 2012 Pearson Education, Inc. publishing as Prentice Hall ...
NetLord - sigcomm
NetLord - sigcomm

... Multipath forwarding in container/pod datacenters − Few thousand servers (or unique MAC addresses) − COTS Ethernet (with VLAN support) − Arbitrary topologies ...
< 1 ... 305 306 307 308 309 310 311 312 313 ... 786 >

Cracking of wireless networks

Cracking of wireless networks is the defeating of security devices in Wireless local-area networks. Wireless local-area networks(WLANs) – also called Wi-Fi networks are inherently vulnerable to security lapses that wired networks are exempt from.Cracking is a kind of information network attack that is akin to a direct intrusion. There are two basic types of vulnerabilities associated with WLANs: those caused by poor configuration and those caused by weak encryption.
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