Ppt on layer 3 switching wiki

Packet Switching: LAN to WAN Wired to Wireless Consumer to Enterprise Tony Rybczynski

Layer 2 Packet Services Ethernet connectivity Layer 3 VPNs MPLS and/or IPSec over public IP 25 Part 3: Not Just Connectionless IP Packet Circuit Switching TDM Multiplexing Layer 2 Frame Relay/ATM Layer 3 IP Connectionless Layer 2 Ethernet Packet Switching Statistical Multiplexing Switching & Multiplexing Layer/user wants to go 31 For More Information On packet switching http://en.wikipedia.org/wiki/Packet_switching “Commercialization of packet switching (1975-1985): A Canadian perspective” by T.Rybczynski On/

CSci5221: Introduction to SDN1 Introduction to Software-Defined Networking Overview –What is SDN and Why SDN? SDN Control Plane Abstractions OpenFlow Switch.

API OpenFlow Switching Controller server Hardware Layer Software Layer OpenFlow Table MAC src MAC dst IP Src IP Dst TCP sport TCP dport Action OpenFlow Client *****port 1 port 4port 3 port 2 port 1 1. Separate Control from Datapath SDN/ Networking Summit Almost 1000 attendees, Google: SDN used for their WAN Commercialized, in production use (few places) Useful References OpenFlow Wiki OpenFlow Specification 1.3.0 OpenFlow Specification 1.5.0 Old Versions of OpenFlow Mininet OpenVSwitch

#ONOSProject Deploy SDN-IP. #ONOSProject 2 Physical setup OF01OF02 ONOS/QUAGGA SRV 01 ONOS SRV 02 ONOS/QUAGGA SRV 03 L2 legacy MGMT switch Legacy Network.

to OF switches through the L2 legacy MGMT switch ONOS Quagga ONOS Core SDN-IP App ONOS L2 connection to OF switches (Data plane) ONOS Core SDN-IP App ONOS This is what in the use-case we call “BGP Speaker” #ONOSProject 5 Layer 3 Topology and / #ONOSProject 10 ONOS Project: http://onosproject.orghttp://onosproject.org ONOS Wiki: http://wiki.onosproject.orghttp://wiki.onosproject.org SDN-IP Wiki Page: https://wiki.onosproject.org/display/ONOS/SDN-IPhttps://wiki.onosproject.org/display/ONOS/SDN-IP References

1 COM 360. 2 Chapter 1 Foundation 3 Building a Network What available technologies would be the building blocks ? What software architecture would you.

Physical Layer transmits raw bits over a communication link 2.Data link Layer collects a stream of bits into a frame. Frames are delivered to hosts. 3.Network Layer handles routing within a packet switched network. Packets are exchanged between hosts. Lower 3 layers are/http://www.cs.rpi.edu/~hollingd/netprog/notes/osi/osi.ppt Seven Layer Model http://networking.ringofsaturn.com/Protocols/sevenlayer.php http://en.wikipedia.org/wiki/OSI_model http://www.rhyshaden.com/osi.htm http://www.techexams.net/technotes/

Thyristor Shawn Standfast. About Thyristors Thyristors can take many forms but they all have certain aspects in common Act as Solid-State Switches Become.

to switch Bi-Polar signals http://en.wikipedia.org/wiki/File:Triac_structure.svg About Triacs In quadrants 1 and 2, MT2 is positive, and current flows from MT2 to MT1 through P, N, P and N layers. The N region attached to MT2 does not participate significantly. In quadrants 3 and 4, MT2 is negative, and current flows from MT1 to MT2, also through/

University of Calgary – CPSC 441.  IP (Internet Protocol) is a Network Layer Protocol.  RFC 791 provides the specification for IP. 2 Network Layer application.

stack.  Multiple higher-layer protocols  Multiple lower-layer protocols  One common protocol at the network layer for data transmission. 3  IP is the highest layer protocol which is implemented /a non-zero value, it serves as a hint to routers and switches with multiple outbound paths that these packets should stay on the same /wiki/IPv4 http://en.wikipedia.org/wiki/IPv4  http://en.wikipedia.org/wiki/IPv6 http://en.wikipedia.org/wiki/IPv6  http://en.wikipedia.org/wiki/IPv6_packet http://en.wikipedia.org/

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Data Link Layer Network Fundamentals – Chapter 7 Modified by Tony Chen 01/30/2009.

there are many different Data Link layer protocols, each frame type has 3 basic parts: –Header –Data –Trailer  All Data Link layer protocols encapsulate the Layer 3 PDU within the data field of the/(NICs) on computers as well as the interfaces on routers and Layer 2 switches. The Layer 2 protocol used for a particular network topology is determined by -/of 1536 or higher then the frame is Ethernet V2 http://en.wikipedia.org/wiki/Ethertype FYI © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 /

© 2006 Cisco Systems, Inc. All rights reserved.Cisco Public BSCI Module 7 Lesson 2 1 IP Multicasting: IGMP and Layer 2 Issues.

.  Effect on switch without Layer 3-aware Hardware/ASICs Must process all Layer 2 multicast packets Administration load increased with multicast traffic load  Effect on switch with Layer 3-aware Hardware/ASICs Maintain high-throughput performance but cost of switch increases © 2006 Cisco/ rights reserved.Cisco Public BSCI Module 7 Lesson 2 27 Resources  Wikipedia IGMP article http://en.wikipedia.org/wiki/IGMP  Multicast in a Campus Network: CGMP and IGMP Snooping http://www.cisco.com/warp/public/473/22/

CS 453 Computer Networks Lecture 17 Medium Access Control Sublayer Bluetooth, Switching and VLAN.

Ack = piggybacking Ack on frame Seq = number frames (one bit?) Header repeated 3 times Bluetooth More Information: http://www.bluetooth.com/bluetooth/ http://en.wikipedia.org/wiki/Bluetooth Logical Link Control - LLC Let’s backup a bit Recall that we have / the entire network Data Link Layer Switching Frame formats for 802.3, 802.11, 802.16 From: Tanenbaum (2003), pg. 321 Data Link Layer Switching 802.11 to 802.3 Bridge From: Tanenbaum (2003), pg. 321 Data Link Layer Switching Bridge Bridge sees all frames /

ITEC 275 Computer Networks – Switching, Routing, and WANs Week 1 Instructor Professor D’Andrea.

PDU) Contains information about the source and destination of a message in the header. http://en.wikipedia.org/wiki/TCP/IP_model Evaluate Business Constraints Company Politics Throughout your discussion with the customer, try to learn who the /Trunk – A port that carries more than one VLAN between switches VLANs Physical LAN vs. Logical VLAN Devices - Routers Layer 3 device Network perimeter device Has much more intelligence than switches – Reads source and destination logical addresses and sends data only/

Network Security1 – Chapter 3 – Device Security (B) Security of major devices: How to protect the device against attacks aimed at compromising the device.

-band management (http://en.wikipedia.org/wiki/Out-of- band_management)http://en.wikipedia.org/wiki/Out-of- band_management Network Security4 Vulnerabilities /to connect: access-class, access-list (See example 3-6) 3.Short timeouts: The default timeout value is 10 minutes/layer. –In addition to the FIB, CEF uses adjacency tables to prepend Layer 2 addressing information. The adjacency table maintains Layer 2 next-hop addresses for all FIB entries. CEF Components http://www.cisco.com/en/US/docs/ios/12_1/switch/

ITEC 275 Computer Networks – Switching, Routing, and WANs Week 1.

) Contains information about the source and destination of a message. In the header. http://en.wikipedia.org/wiki/TCP/IP_model Figure 1-2 Evaluate Business Constraints Company Politics Throughout your discussion with the customer, try to learn/ Trunk – A port that carries more than one VLAN between switches VLAN Physical LAN vs. Logical VLAN Devices - Routers Layer 3 device Network perimeter device Has much more intelligence than switches – Reads source and destination logical addresses and sends data only/

1 Computer Networks Lecture 24 Link Layer; Course Summary 12/05/2013.

frame headers to identify src, dest  Media access control  Forwarding/switching with a link-layer (Layer 2) domain  Reliable delivery between adjacent nodes o we learned how/ Interconnect 3a. Clock Distribution 3c. Sync Distribution 3b. Ethernet Switch 3. Argos Switch Argos Preliminary Results traditional: 9~15bps/Hz Argos: 85bps/Hz/: m http://en.wikipedia.org/wiki/Cyclic_redundancy_check. 128 Adaptors Communicating r link layer typically implemented in “adaptor” (aka NIC) m Ethernet card/

ITEC 275 Computer Networks – Switching, Routing, and WANs Week 1 Instructor Professor D’Andrea Fall 2015.

PDU) Contains information about the source and destination of a message in the header. http://en.wikipedia.org/wiki/TCP/IP_model Evaluate Business Constraints Company Politics Throughout your discussion with the customer, try to learn who the /Trunk – A port that carries more than one VLAN between switches VLANs Physical LAN vs. Logical VLAN Devices - Routers Layer 3 device Network perimeter device Has much more intelligence than switches – Reads source and destination logical addresses and sends data only/

© 2006 Cisco Systems, Inc. All rights reserved.Cisco Public 1 Version 4.0 Switching in an Enterprise Network Introducing Routing and Switching in the Enterprise.

10, 2007 from http://www.comcast.com/highspeedoffer-s/?CMP=KNC 1TO1Q3GOOGLE30&s_kwcid=comcast%20internet|751518367. 3) http://en.wikipedia.org/wiki/Wire_speed © 2006 Cisco Systems, Inc. All rights reserved.Cisco Public 6 How do you find / rights reserved.Cisco Public 12 Routing with a Level 3 Switch  A Layer 3 switch is a high- performance device for network routing.  Layer 3 switches actually differ very little from routers.  A Layer 3 switch can support the same routing protocols as network routers/

 Instructor: Rob Nash  Readings: Chapter 3, P&D.

speed (limited to memory capacity)  And, we can use a switch to combine two disparate networks ◦ A SONET STS-3 link with and a few T3s ◦ Each port runs the appropriate link layer protocol  Switching (or forwarding): receiving incoming packets on an input port and selecting /80s  Physical medium : POTS links or ISDN ◦ ISDN integrates speech and data on the same line ◦ Pre-DSL  From Wiki:  “X.25 is today to a large extent replaced by less complex protocols, especially the Internet protocol (IP) “ Internet/

What’s going on here? Leo Koppel Jan 22 2015. The OSI Model LayersData unitFunctionExamples Host layers 7. ApplicationApplication Data High-level APIs,

The interface says how to send the bit. Ethernet PHY transceiver Data link layer http://commons.wikimedia.org/wiki/File:Ethernet_NIC_100Mbit_PCI.jpg The data link layer starts caring about the meaning of the bits sent. Cat5 Ethernet Network Interface/is a signal repeater. Layer 1 A switch handles MAC addresses. Layer 2 A router handles IP addresses to connect different networks. Layer 3 A “router” is a router, switch, and access point (sometimes combined with a modem) Transport layer Only at the fourth level/

T-110.5101 Laboratory works Router/Switch assignment Cisco Internetworking Operating System Fall 2011 Jere Mäkelä 8.7.2011 1T-110.5101 Cisco IOS - (c)

: None 10T-110.5101 Cisco IOS - (c) Jere Mäkelä Cisco interface nomenclature (1/3) Switch 2950, 2960 – Fixed interfaces – ”Type slot#/port#” Type: ethernet (10M), fastethernet (100M),/If you are interested, check: – http://en.wikipedia.org/wiki/Spanning_Tree_Protocol http://en.wikipedia.org/wiki/Spanning_Tree_Protocol – Or better yet, check one of the course / ip – If you want to filter by application layer protocol, you have to choose the appropriate layer 4 transport protocol. For example, to filter ftp /

X.25 Overview Next The Mnemonic In Network Stack Page 05% 01 Layer7: The application Layer interfaces directly to and performs common application services.

find this table with more details in http://en.wikipedia.org/wiki/OSI_model X.25 Overview Next X.25 Devices In X.25 Overview Page 25/ packet switches, that provide the interface between DTE devices and a PSE, and are generally located in the carrier’s facilities. 3. packet-switching exchange (PSE) - PSEs are switches that /free. Three types of LAPB frames exist: 1.Information(I-frame) -carries upper-layer information and some control information. I-frame functions include sequencing, flow control, and /

Computer History CS 110 Fall 2005. Homework TA Office hours TA Office hours Sunday, Sept 4 th from 3-5Sunday, Sept 4 th from 3-5 Thornton Hall Stacks.

Sept 4 th from 3-5Sunday, Sept 4 th from 3-5 Thornton Hall Stacks /? Babbage’s “Difference Engine” for computing polynomials (1822) http://en.wikipedia.org/wiki/Difference_engine Mechanical Calculators 1623 – first mechanical calculators 1623 – first mechanical calculators Add, /–Texas Instruments and Fairchild Semiconductor Layers of semiconductors permit complex lattices of digital switches Layers of semiconductors permit complex lattices of digital switches Semiconductors change conductivity in response/

Networking Topics Covered 1.Introduction to Networks 2.Data Communication Terminologies 3.Transmission Media 4.Network Devices 5.Network Topologies and.

media’. 1.Twisted Pair Cable 2.Coaxial Cable 3.Optical Fibe rs Guided Media Twisted Pair Cable / from one computer to another without any change. Switch : A switch is a device that is used to segment networks/cable) http://en.wikipedia.org/wiki/Image:Ethernet_RJ45_connector_p1160054.jpghttp://en.wikipedia.org/wiki/Image:BNC_connector.jpg Old: BNC /layers: Communication Protocols TCP/IP (Transmission Control Protocol / Internet Protocol) : As with all other communications protocol, TCP/IP is composed of layers/

1 Atomic Layer Deposition (ALD) Presented by Myo Min Thein EE 518 Class Presentation, Penn State Spring 2006 Instructor: Dr. J. Ruzyllo.

of ALD Ref: "Atomic Layer Deposition," Wikipedia: The Free Encyclopedia, Wikimedia Foundation, 24 April 06.. http://en.wikipedia.org/wiki/Atomic_Layer_Deposition 4/25/06EE 518 /Example: ALD cycle for Al 2 O 3 deposition (Step 1b)Example: ALD cycle for Al 2 O 3 deposition (Step 1b) Ref: "Atomic Layer Deposition," Cambridge NanoTech Inc., 24 April/3 HfO 2 HfCl 4 or TEMAH, H 2 O ZrO 2 ZrCl 4, H 2 O ALD Applications High-K dielectrics for CMOSHigh-K dielectrics for CMOS Reduces leakage current Faster switching/

Application Layer 2-1 Chapter 3 Transport Layer Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012.

 http://www.ietf.org/rfc/rfc768.txt http://www.ietf.org/rfc/rfc768.txt Transport Layer 3-24 IP packet format  IP header:  http://en.wikipedia.org/wiki/IPv4 http://en.wikipedia.org/wiki/IPv4  http://www.ietf.org/rfc/rfc791.txt http://www.ietf.org/rfc/rfc791.txt Transport Layer 3-25 UDP Checksum Computation  According to RFC 768, http://www.faqs.org/rfcs/rfc768/

QETA/021 Mechanised Welding Processes 501/1130/9 EAL Level 3 Diploma in Engineering Technology (QCF)

formed. Another example is separation of electrical contacts in switches, relays and circuit breakers; in high-energy circuits/, with its multiple branches, is shown in Figure 3. Another example of changes in solidification morphology directly related/oxidises after extended contact with oxygen/air a protective layer of copper is put on around the wire to/-adaptive-control-of- resistance-welding https://en.wikipedia.org/wiki/Adaptive_control Metal Transfer Methodology (1) Transfer Methodology: Dip Transfer/

CPSC 441 TUTORIAL TA: FANG WANG HUBS, SWITCHES AND BRIDGES Parts of the slides contents are courtesy of the following people: Jim Kurose, Keith Ross:

tier design), with backbone hub at its top Each connected LAN referred to as LAN segment 3 twisted pair hub HUBS: PROS Hub Advantages: simple, inexpensive device Multi-tier provides graceful /http://en.wikipedia.org/wiki/Spanning_Tree_Protocol SWITCHES VS. ROUTERS both store-and-forward devices routers: network layer devices (examine network layer headers) switches are link layer devices routers maintain routing tables, implement routing algorithms switches maintain switch tables, implement filtering, /

Data Science Curriculum March

Informatics and Computing Digital Science Center Indiana University Bloomington Functionality of 21 HPC-ABDS Layers Message Protocols: Distributed Coordination: Security & Privacy: Monitoring: IaaS Management from HPC /specified in simple config files, with no hard-coded parameters in the code. Switching between CPU and GPU is as simple as setting a flag – so /.org/ (3 is 3 D’s in name) D3 examples https://github.com/mbostock/d3/wiki/Gallery 3D Javascript Library http://threejs.org/ (3 is 3 dimensions) built/

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Configure a Wireless Router LAN Switching and Wireless – Chapter 7 Modified.

PublicITE 1 Chapter 6 4 Wireless LANs  Most current business networks rely on switch-based LANs for day-to-day operation inside the office.  However, workers / to the wired LAN. –An access point is a Layer 2 device that functions like an 802.3 Ethernet hub. –Client devices do not typically communicate directly with/contain information about the length of the DATA frame. http://en.wikipedia.org/wiki/Mult iple_Access_with_Collision_Av oidance_for_Wireless To sum up, a successful data transfer from consists of/

Communications Technology Lecture 6: Data Link Layer June 2009.

link below and further links it contains: http://en.wikipedia.org/wiki/Cyclic_redundancy_check Data Link Layer (L2) Introduction and services Error detection and correction Multiple/Media access/ boundaries Performance of S-ALOHA Comparison of ALOHA and S- ALOHA 802.3 Ethernet Broadcast technology Carrier-sense multiple access with collision detection (CSMA/CD/ Using Bridges Bridges connect multiple IEEE 802 LANs at layer 2 Datagram packet switching Only forward packets to the right port Reduce collision /

SharePoint Wiki Plus and Amdocs Pedia case study Nimrod Geva KWizCom.

only) Full switch to Amdocspedia 2.0 - April 2008 Using the Wiki Must be / the page 2.Can restore previous versions 3.Gets an email notification when someone else /Wiki Plus Content Type Wiki Plus Master Page Wiki Plus Site Template Stylesheet Resource files Web Part pages and web parts Wiki Plus Feature Support Central & Distributed architecture Customizable data layer Customizable layout Content lifecycle management Enterprise Taxonomy Rich web + Wiki editor Supports all MOSS features & framework Wiki/

Transport Layer chapt61 Transport Layer Functions –Services to Higher (Application) Layer –Quality of Service –Recover from unreliable network protocol.

port) for socket Transport Layer chapt65 State Transition Diagram p.501 also see http://en.wikipedia.org/wiki/Image:TCP_state_diagram.png p.564 in text for more advanced diagramhttp://en.wikipedia.org/wiki/Image:TCP_state_diagram.png listen / the appropriate parameters.” Transport Layer chapt610 QoS (continued) Features referenced in No. 4 above include : - Classifying traffic. - Marking traffic with the appropriate priority. - Setting up the desired number of priority queues in switches and routers. - Rate-/

ALERT – Agreement Expires July 2016 FIS PAI VE 20 14 12/3/14 1 MetroE.

upon). MetroE – ASE Migration WiKi Can be Found @ http://www.fispa-wiki.com/index.php/ATT_MetroE_Migration_%26_Evolution_of_Services_2016 FIS PAI VE 20 14 12/3/14 5 MetroE FIS PAI VE 20 14 12/3/14 6 AT&T Switched Ethernet (ASE) What do/ permission of AT&T. NEW slide 1/3 Network Overview: PE - NTE UNI/Local loop  CNL/Layer 1 – (PE-NTE) Fiber or Cu  Protection, Diversity options –Risk distribution, protection, diversity: loop; alternate serving switch –ELAN solutioning  Dual network uplinks between /

Architecture & Cybersecurity – Module 3 ELO 3.1Identify the different components of a cloud architecture. (Service Offering View and Network View) Figure.

Model graphic) including views of physical and virtual layers Physical Resources include both physical and facilities CLE - Module 3 - Arch & Cybersecurity (a)6 Topic You should/shape traffic from a centralized control console without having to touch individual switches, and can deliver services to wherever they are needed in the/—it cannot break out of its virtual environment. (https://en.wikipedia.org/wiki/Virtual_machine) 1.How does this definition of virtual machine correlate with cybersecurity? /

Introduction to Neural Networks Holger Wittel 1 Outline Motivation Neural Networks & Topologies o Perceptron o Multi-layered networks o Training o Time.

layered networks o Training o Time dependence Neural Networks for Filters o Example usages Summary 2 Motivation Computers are fast, still certain tasks are difficult for them 3 braincomputer No. of processing units10 11 10 9 Type of processing unitsneuronstransistors Type of calculationmassively parallelusually serial Switching time10 -3 sec10 -9 sec Possible switching/ neurotransmitters Images: http://en.wikipedia.org/wiki/Neuronhttp://en.wikipedia.org/wiki/Neuron http://www.cellimagelibrary.org/images/214/

Privecsg-14-0021-00-ecsg 1 IEEE 802 EC Privacy Recommendation SG 802 Plenary Meeting November 3-7, 2014 Juan Carlos Zuniga, InterDigital Labs (EC SG Chair)

in the Local Space –Privacy Threat Model –IETF MAC Address Randomization Trial Status & Wiki Page Next Steps privecsg-14-0021-00-ecsg 9 Business#1 Call Meeting to Order / (MAC, DHCP client ID, time/date) DHCP pool size in time Switch table size in time AAA logs –Client MAC address usage log DHCP client name/ID/to discuss technical topics (1)Threat Model for Privacy at Link Layer (2)Privacy Issues at Link Layer (3)Proposals regarding functionalities in IEEE 802 protocols to improve Privacy (4/

ECE Department: University of Massachusetts, Amherst ECE 354 Spring 2009 Lab 3: Transmitting and Receiving Ethernet Packets.

layer Internet model  Primarily written in C code  Use a preexisting SOPC system from the DE2_NET project 3/Layers 2 through 5 (Link, Network, Transport, and Application)  The payload should be 16 bits selected by 16 switches/ Switch /Layer (3) - IPv4  The Segment from the Transport Layer will be encapsulated within an IPv4 Datagram  Dominant network layer protocol on the internet  Data-oriented protocol to be used on a packet switched/Layer (2) – Ethernet Frame  The Datagram from the Network Layer/Layer/3/

1 ENTS689L: Packet Processing and Switching Networking Technologies Review of Networking Technologies Vahid Tabatabaee Fall 2007.

Ethernet, Internet Protocol  Potential Advantages:  More efficient use of resources 5 ENTS689L: Packet Processing and Switching Networking Technologies Network Hierarchy (3 layer)  Enterprise Network  Typical networks in companies, universities.  Based on Ethernet, Fast-Ethernet, WiFi/into single routing table entries. Source: http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing 23 ENTS689L: Packet Processing and Switching Networking Technologies An example for CIDR  Different CIDR prefixes are /

LAN Local Area Network By Amal Wali 10DD.

an insulating layer. ITU-T G.hn: uses existing home wiring to create high speed LAN. BACK Essential hardware for a computer to be connected to LAN Hub/Switch- interconnected / is increased due to the use of hubs, a router or switch as a central device. 3- Performance and the number of nodes that can be added to /Bibliography BACK http://en.wikipedia.org/wiki/Data_transmission http://education.mu/forum/index.php?topic=306.0 http://en.wikipedia.org/wiki/Computer_network#Wired_technologies http://www.facs.org/

OpenFlow 1.3: Protocol, Use Cases, and Controller Writing Ryan Izard

flowgrammable.org/ sdn/openflow/message- layer/ OpenFlow 1.3 Matches Increased match support w/OXM /wiki Large, active community –floodlight-dev@openflowhub.orgfloodlight-dev@openflowhub.org –Google GroupGoogle Group Up Next Pre-work for hands on demo (Very) Quick intro to OpenFlow OpenFlow 1.3/3) && (switch >= OF1.3) –Hello advertises highest version + version bitmap for negotiation OpenFlow Auxiliary Connections Multiple control connections per switch –Parallelize some operations –Negotiated on a per-switch/

Embedded Software SKKU 15 1 Tizen v2.3 Emulation on PC.

for better performance and flexibility – Uses virtio device driver for performance sensitive device – Because of OAL (OEM Abstraction Layer) it is not difficult to switch real device driver into virtio device driver Hybrid Emulation on Tizen Embedded Software Lab. @ SKKU 15 9 OEM Abstraction Layer Embedded Software Lab. @ SKKU 15 10 Tizen Virtual board provides virtual HW devices Board Constructions – QEMU PC board/

MGT 3225: E-Business Lecture 3: E-Commerce Infrastructure: The Internet, Web and Mobile Platform Md. Mahbubul Alam, PhD.

of Things starts become a reality. Development of E-commerce Infrastructure (2013-2014) 3 Internet – A interconnected network of thousands of networks and millions of computers liking businesses/. The Internet: Key Technology Concepts 6 Packet Switching: Architecture 7 TCP/IP is divided into four separate layers. 1.Network Interface Layer, o placing packets on & receiving them from/Rich Site Summary or Really Simple Syndication) o Mashups & widgets o Wikis o Social networks Web 2.0 36 Effort of W3C to add /

IPv6 발표자 : 전지훈. What is IPv6?   an Internet Layer protocol for packet- switched internetworks.   the "next generation" protocol designed by the IETF.

What is IPv6?   an Internet Layer protocol for packet- switched internetworks.   the "next generation/Checksum Source Address Destination Address Options (if any)   IPv4 Headers IPv6 Headers (3/6)   No option field Replaced by extension header. Result in a fixed /ietf.org/ http://www.ietf.org/   http://en.wikipedia.org/wiki/IPv6 http://en.wikipedia.org/wiki/IPv6   http://ko.wikipedia.org/wiki/IPv6 http://ko.wikipedia.org/wiki/IPv6   http://www.microsoft.com/korea/technet/ network/ipvers6.mspx?pf/

Technician License Course Chapter 3 Lesson Plan Module 6 – Part 2 Electrical Components 28 March 2015 Practice Questions 2014 Technician License Course.

A. Oscillator B. Potentiometer C. Transistor D. Voltmeter T6B03 HRLM (3-11) Which of these components can be used as an electronic switch or amplifier? 2014 Technician License Course A. Alternator B. Transistor C. Triode D. Pentagrid converter T6B04 HRLM (3-11) Which of the following components can be made of three layers of semiconductor material? 2014 Technician License Course A. Alternator B. Transistor/

Members: Acee Lindem, Anees Shaikh, Christian Hopps, Dean Bogdanovic, Lou Berger, Qin Wu, Rob Shakir, Stephane Litkowski, Yan Gang Wiki:

Gang Wiki: http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgYangArchDThttp://trac.tools.ietf.org/area/rtg/trac/wiki//A device model o That supports higher layer service models (not always a clean line/ +--rw networking-instance-name string +--... 24 IETF 93 Section 2.3: Device View vs Logical Network Element (cont.) ●Each view logical-/(1/2) The structure related to L2VPNs, Ethernet services, and virtual switching instances has not yet received sufficient discussion and is likely to change. Additional/

Privecsg-14-0021-01-ecsg 1 IEEE 802 EC Privacy Recommendation SG 802 Plenary Meeting November 3-7, 2014 Juan Carlos Zuniga, InterDigital Labs (EC SG Chair)

DHCP, Switching and AAA infrastructure –Will use only 2.4 GHz infrastructure (b/g/n) –Different credentials will be needed to join this network Wiki page and instructions for participants –Private email requested to announce participation –IETF91 wiki page with/–Continue call for proposals to discuss technical topics (1)Threat Model for Privacy at Link Layer (2)Privacy Issues at Link Layer (3)Proposals regarding functionalities in IEEE 802 protocols to improve Privacy (4)Proposals regarding measuring levels/

Network Layer 4-1 Chapter 4 Network Layer Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012 A note. A: wired Ethernet interfaces connected by Ethernet switches A: wireless WiFi interfaces connected by WiFi base station For now: don’t need to worry about how one interface is connected to another (with no intervening router) Network Layer 4-11 Subnets  IP address:  subnet part - high order bits  host part - low order bits  what’s a/

E-commerce business. technology. society. Kenneth C. Laudon

available path toward their destination Copyright © 2007 Pearson Education, Inc. Packet Switching Figure 3.3, Page 121 Copyright © 2007 Pearson Education, Inc. TCP/IP (Transmission/ 4 separate layers: Network Interface Layer Internet Layer Transport Layer Application Layer Copyright © 2007 Pearson Education, Inc. The TCP/IP Architecture and Protocol Suite Figure 3.4, Page/Internet II and E-commerce: Emerging Features and Services (cont’d) Wiki: Web application that allows a user to easily add and edit content/

DOMINATE THE THEME LAYER August 21st.. Jesper Wøldiche Rahkonen Themer / architect at Bysted. Markup Marine / Journalist / Frontend United

markup. Overview of the session. 1 - The gentle way. 2 - The dominating way. 3 - Submissive markup in four easy steps. 4 - Tools of domination. DANGERS OF A GENTLE TOUCH/result. Title Content goes here. function MYTHEME_preprocess_field (&$vars,$hook) { //add class to a specific field switch ($vars[element][#field_name]) { case field_summary: $vars[classes_array][] = text-teaser; break; case field_location: case/layer @woeldiche Images Chain http://commons.wikimedia.org/wiki/File:Twisted_link_chain.jpg

Except where otherwise noted, this work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. 1 SQL Injection Rainbow Table Weak Passwords.

A ​ Ax08x35xC0x80 107 Wikipedia, Retrieved March 7, 2011, from http://en.wikipedia.org/wiki/Stack_buffer_overflow 1 char c[12]; 2 char *bar; 3 printf("Please enter your name and press "); 4 get bar; 5 strcpy(c, / length of input strings (plus NULL terminator!) n Consider compiler switches that reduce danger of buffer overflows n Whitelist when possible 109 Assume/ transit from the client to the server. –SSL (Secure Socket Layer) provides data confidentiality and integrity to HTTP. By encrypting HTTP messages/

KnowWE: a Semantic Wiki for Knowledge Engineering Joachim Baumeister, Jochen Reutelshoefer, Frank Puppe University of Würzburg, Institute of Computer Science.

Wiki KnowWE, a knowledge engineering environment for decision- support systems. Transformation of Wiki/into a Semantic Wiki Concepts of the/ dash-tree in the wiki within the edit pane of the wiki How to Define Problem-/Wiki tailored to knowledge engineering tasks can help to relax these dilemmas. The paper introduces the Semantic Wiki/layer of the wiki and described the combined reasoning process of the ontology with the problem-solving knowledge. Acknowledgement and Reference Thanks go to Wen Gao for switching/

Traffic Management - OpenFlow Switch on the NetFPGA platform Chun-Jen Chung(1203584897) SriramGopinath(1203800749)

switch that the packet encounters. This false VLAN header indicates that the packet is destined for a host on a second, target VLAN. The packet is then sent to the target host as though it were layer 2 traffic. By this method, the attacking host can bypass layer 3/ Lower Power consumption Good Security Speed ADDVANTAGE Result Making a switch to act as a basic firewall Prevent VLAN hopping attack Wiki Link http://openflowswitch-netfpga-trafficmgmt.wikispaces.asu.edu/ OpenFlowSwitch-NetFPGA-TrafficMgmt

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