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originals
originals

... Who might Bob, Alice be? … well, real-life Bobs and Alices!  Web browser/server for electronic transactions (e.g., on-line purchases)  on-line banking client/server  DNS servers  routers exchanging routing table updates  other examples? ...
Network Reliability and Fault Tolerance
Network Reliability and Fault Tolerance

... path with optically transparent networks. With networks that perform optoelectronic conversion at each node, only in-band information is retained along the length of the path, and overhead in the data format is typically necessary for failure detection. Path-based approaches are advantageous in the ...
X31-20050926-029 R2 QCOM 3GPP2 Packet Data Network
X31-20050926-029 R2 QCOM 3GPP2 Packet Data Network

... incorporate text or other copyrightable material contained in the contribution and any modifications thereof in the creation of 3GPP2 publications; to copyright and sell in Organizational Partner’s name any Organizational Partner’s standards publication even though it may include portions of the con ...
Document
Document

...  Is Internet communication private?  No! ... Why?  Routing information is completely ‘open’ (visible) to the network and its users. • e.g. IP Source, IP destination addresses. ...
not  physically  connected.  These  wireless
not physically connected. These wireless

... Until now, HAS is a very static technology, and it comes integrated into equipped homes. Installing a HAS is really difficult cause you have to almost rebuild your house or residence, sometimes wiring or installing devices and plugs. Old houses are not built to support a HAS due to their distributio ...
Class Notes
Class Notes

... Internet transport protocol  “best effort” service, UDP segments may be:  lost  delivered out of order to app  connectionless:  no handshaking between UDP sender, receiver  each UDP segment handled independently of others ...
TR 101 196 V1.1.1
TR 101 196 V1.1.1

... information is sent broadcast to all users of the networks. Thus, an address assignment exists for each user which allows the INA to send information singlecast to one particular user. Two addresses are stored in Set Top Boxes (STB) in order to identify users on the network: MAC address: It is a 48- ...
Streaming - Regis University: Academic Web Server for Faculty
Streaming - Regis University: Academic Web Server for Faculty

... •Payload type 0: PCM mu-law, 64 kbps •Payload type 3, GSM, 13 kbps •Payload type 7, LPC, 2.4 kbps ...
- Veer Surendra Sai University of Technology
- Veer Surendra Sai University of Technology

... most efficient path, then connected to the nodes by drop lines of various lengths. In this way, a bus uses less cabling than mesh or star topologies. In a star, for example, four network devices in the same room require four lengths of cable reaching all the way to the hub. In a bus, this redundancy ...
Watermarking technique is a particular embodiment of multimedia
Watermarking technique is a particular embodiment of multimedia

... designed to work on wireless devices such as a laptop or PDA. Some may wonder why a person or organization wouldn't simply use a cell phone for mobile communications, but again business and organizations can take advantage of a decreased communications cost while having a mobile system that offers m ...
App_layer_multicast1
App_layer_multicast1

... – Enjoys more flexibility, optimized for specific application domains ...
Transport
Transport

... Chapter 3 outline ❒  3.1 Transport-layer ...
EWA: an Adaptive Algorithm for Energy Saving in IP-over-WDM Networks
EWA: an Adaptive Algorithm for Energy Saving in IP-over-WDM Networks

... first step of EWA is to ensure that all the demands are routable. In particular, starting from the current network configuration the unroutable demands are identified and sorted in descending order according to the demand value. Then, iteratively for each unroutable demand, a logical link is tried t ...
SCORE: A Scalable Architecture for Implementing Resource
SCORE: A Scalable Architecture for Implementing Resource

... - Overlay network may have unclear security properties • e.g., may be used for service denial attack - Overlay network may not scale (not exactly a benefit) • e.g. may require n2 state or communication [email protected] ...
CCNP Routing Semester 5
CCNP Routing Semester 5

... • High bandwidth utilization – routers must use bandwidth to send and receive routing updates, which can detrimentally affect performance on slow WAN links ...
IPv6 - Labs
IPv6 - Labs

... IPv4 Pool Size ...
Analysis and Evaluation for the Performance
Analysis and Evaluation for the Performance

... instance from route flipping [17]. On the one hand, underestimation of round trip delay (RTT) leads to a premature retransmission timeout in case there is no loss or the retransmission could be handled by the fast retransmission mechanism. On the other hand, overestimation of RTT leads to a delayed ...
Chapter 4 slides
Chapter 4 slides

... offset Protocol time to Internet live checksum ...
Adaptive Usage of Cellular and WiFi Bandwidth
Adaptive Usage of Cellular and WiFi Bandwidth

... 16]. Thus, both to address infrastructure limits, as well as to abide by user cost and coverage preferences, it makes sense to consider optimized network communication in which cellular data traffic is offloaded to other mediums (e.g. WiFi) where possible. If WiFi is only intermittently available, o ...
Chap 11 Routing
Chap 11 Routing

...  Network and host addressing  Path selection and packet switching  Routed versus routing protocol  Network-layer protocol operations  Multiprotocol routing ...
A Platform for Unobtrusive Measurements on PlanetLab Rob Sherwood Neil Spring Abstract
A Platform for Unobtrusive Measurements on PlanetLab Rob Sherwood Neil Spring Abstract

... the potential for soliciting abuse reports and administra- through network address translators (NATs) and firewalls, tive headache than by the bandwidth required to measure unavailable to traditional measurement techniques. Also, every interesting property [20]. Traffic designed to mea- we describe ...
slides - network systems lab @ sfu
slides - network systems lab @ sfu

... outgoing datagrams: replace (source IP address, port #) of every outgoing datagram to (NAT IP address, new port #) . . . remote clients/servers will respond using (NAT IP address, new port #) as destination addr. remember (in NAT translation table) every (source IP address, port #) to (NAT IP addres ...
Chapter 7
Chapter 7

...  MP3: 96, 128, 160 kbps  Internet telephony: 5.3 kbps and up Multimedia Networking 7-13 ...
Advances in Natural and Applied Sciences
Advances in Natural and Applied Sciences

... called audit data. Once audit data collected and it is given to the IDAD system, which is able to compare every activity with audit data. If any activity of a node is out of the activity listed in the audit data, the IDAD system isolates the particular node from the network. B. Sun; Y. Guan; J. Chen ...
Multiprotocol Label Switching (MPLS)
Multiprotocol Label Switching (MPLS)

... devices with capabilities to switch at the Level-2 (data link) and the Level-3 (network layer) in hardware had to be deployed ...
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Deep packet inspection

Deep Packet Inspection (DPI, also called complete packet inspection and Information eXtraction or IX) is a form of computer network packet filtering that examines the data part (and possibly also the header) of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, spam, intrusions, or defined criteria to decide whether the packet may pass or if it needs to be routed to a different destination, or, for the purpose of collecting statistical information. There are multiple headers for IP packets; network equipment only needs to use the first of these (the IP header) for normal operation, but use of the second header (TCP, UDP etc.) is normally considered to be shallow packet inspection (usually called Stateful Packet Inspection) despite this definition.There are multiple ways to acquire packets for deep packet inspection. Using port mirroring (sometimes called Span Port) is a very common way, as well as an optical splitter.Deep Packet Inspection (and filtering) enables advanced network management, user service, and security functions as well as internet data mining, eavesdropping, and internet censorship. Although DPI technology has been used for Internet management for many years, some advocates of net neutrality fear that the technology may be used anticompetitively or to reduce the openness of the Internet.DPI is used in a wide range of applications, at the so-called ""enterprise"" level (corporations and larger institutions), in telecommunications service providers, and in governments.
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