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3-transport
3-transport

... 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 ...
3rd Edition, Chapter 5
3rd Edition, Chapter 5

...  point-to-point  PPP for dial-up access  point-to-point link between Ethernet switch and host  broadcast (shared wire or medium)  traditional Ethernet  Bluetooth  802.11 wireless LAN ...
2 - Cambridge Computer Laboratory
2 - Cambridge Computer Laboratory

... • LS: each node learns the complete network map; each node computes shortest paths independently and in parallel • DV: no node has the complete picture; nodes cooperate to compute shortest paths in a distributed manner ...
Chapter 5: The Data Link Layer
Chapter 5: The Data Link Layer

... allows for point-to-point links and shared broadcast channels in shared mode, CSMA/CD is used; short distances between nodes required for efficiency ...
Wireless Network
Wireless Network

... Purely IP based wireless internet Link layer enchangements: ...
3rd Edition, Chapter 5
3rd Edition, Chapter 5

...  point-to-point  PPP for dial-up access  point-to-point link between Ethernet switch and host  broadcast (shared wire or medium)  traditional Ethernet  Bluetooth  802.11 wireless LAN ...
Estimating end-to-end performance in 3G Long
Estimating end-to-end performance in 3G Long

... • The evolution of packet switched network technology has made possible to transmit voice over IP network with acceptable end-user performance. • The SKYPE is one of the most popular example of that. • Current 3G and 2G networks are optimized for circuit switched voice, that makes them complex and n ...
Abstract- The field of Mobile Ad hoc Networks
Abstract- The field of Mobile Ad hoc Networks

... should take place is often unclear because of the different resources like bandwidth, battery power and demands like latency. MANETs have several salient characteristics: 1) Dynamic topologies 2) Bandwidth constrained, variable capacity links 3) Energy-constrained operation 4) Limited physical secur ...
Growing University in Namibia Moves to Next-Generation
Growing University in Namibia Moves to Next-Generation

... years ago when the previous vendor stopped providing support. When Maartens came on board about three years ago, he recognized the growing security threats and the need for increased scalability. He began moving the university toward a virtualized solution with two Cisco® ASA 5585-X Series Next-Gene ...
3rd Edition, Chapter 5 - Department of Computer and Information
3rd Edition, Chapter 5 - Department of Computer and Information

... Two types of “links”:  point-to-point  PPP for dial-up access  point-to-point link between Ethernet switch and host  broadcast (shared wire or medium) ...
pptx - Caltech
pptx - Caltech

...  If the “distances to root” on STP packets received by a switch on all its ports are the same or smaller than what it believes its distance is, then the switch stops forwarding  … until protocol converges ...
Trickle: A Userland Bandwidth Shaper for Unix-like Systems
Trickle: A Userland Bandwidth Shaper for Unix-like Systems

... propagate. More detail regarding the interaction between this scheme and TCP is provided in section 4. While this scheme is practical, two issues would hinder widespread employment. Firstly, the scheme outlined is deceptively simple. As we will see in section 4, there are many details which make sha ...
Chapter 5 on Link/MAC Layer - Department of Computer and
Chapter 5 on Link/MAC Layer - Department of Computer and

... Two types of “links”:  point-to-point  PPP for dial-up access  point-to-point link between Ethernet switch and host  broadcast (shared wire or medium) ...
Chapter 7 TCP Traffic Control
Chapter 7 TCP Traffic Control

... path between source and destination • Bottleneck may be destination or internet • Sender cannot tell which • Only the internet bottleneck can be due to congestion ...
Link-State Routing
Link-State Routing

... — Every router should have consistent, complete topology info  consistent, optimal route selection — Routing updates do not grow with size of network (link-state updates depend on number of links per router)  Disadvantage: ...
No Slide Title
No Slide Title

... There is a limit on the frame size of each data link layer protocol.  This limit is called maximum transmission unit (MTU).  MTUs for various data link layers: ...
Presentation Title Size 30PT
Presentation Title Size 30PT

... Goal: Implement firewall technologies to secure the network perimeter. ...
Vidhyashankar Venkatraman, Paul Francis, Chunkyspread: Multi-tree Unstructured End System Multicast, IPTPS 2006, February 2006
Vidhyashankar Venkatraman, Paul Francis, Chunkyspread: Multi-tree Unstructured End System Multicast, IPTPS 2006, February 2006

... the score and important events (low volume), an audio playby-play (medium volume), or video (high volume). Here, 10 or 20 seconds of delay is tolerable, indeed even necessary in the form of receiver play-out buffer to smooth over short-term disruptions in network or OS performance [17]. This delay-t ...
Active Directory & DNS Setup Abstract
Active Directory & DNS Setup Abstract

... Domain Name System (DNS) is a system for naming computers and network services that organizes them into a hierarchy of domains. DNS naming is used on TCP/IP networks, such as the Internet, to locate computers and services by using user-friendly names. When a user enters the DNS name of a computer in ...
3-transport
3-transport

... 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 ...
Load-Sensitive Routing of Long-Lived IP Flows
Load-Sensitive Routing of Long-Lived IP Flows

... networks, recent research focused on load-sensitive routing of flows or connections, instead of individual packets. For example, a flow could correspond to a single TCP or UDP session, all IP traffic between a particular source-destination pair, or even coarser levels of aggregation. In particular, ...
transport layer slides
transport layer slides

... Transport services and protocols ...
On TCP Performance Enhancing Proxies in a Wireless Environment
On TCP Performance Enhancing Proxies in a Wireless Environment

... split connection approach that decouples the sender-to-PEP and PEP-to-receiver TCP control loops while maintaining the end-to-end TCP semantics. The TRL-PEP has a downlink focus (server to user device), aiming to maximize link utilization by maintaining a full buffer of data from the sender and usin ...
Chapter 3 - Professor Dan Web
Chapter 3 - Professor Dan Web

... 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 ...
PPT source - IIT Bombay
PPT source - IIT Bombay

... ICPWC'02 ...
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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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