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No Slide Title
No Slide Title

... • Performance starts with the application – VPN solution must take applications into consideration – Different applications have different needs ...
View
View

... – multiple shortest paths (“equal-cost” paths, ECPs) may exist and can be used for load-balancing • But typical equal splitting is used to split traffic among ECPs for a given destination prefix • On the other hand, multiple destination prefixes are mapped to the same egress point of a network! ...
3G Network Connectivity
3G Network Connectivity

... Abstract - 3G is the third generation of wireless technologies. It comes with enhancements over previous wireless technologies, like high-speed transmission, advanced multimedia access and global roaming. 3G is mostly used with mobile phones and handsets as a means to connect the phone to the Intern ...
Link-State Routing Protocols
Link-State Routing Protocols

... • Each router builds its own Link State Packet (LSP) which includes information about neighbors such as neighbor ID, link type, & bandwidth • After the LSP is created the router floods it to all neighbors who then store the information and then forward it until all routers have the same information ...
Título do Projeto
Título do Projeto

... as Autonomous Systems (ASes). Each AS employs its own routing policies and has autonomy in comparison to other ASes. The comunication and coordination between these ASes is made possible by the interdomain routing protocol. The Border Gateway Protocol (BGP)is the interdomain routing protocol current ...
Routing Protocol vs. Routed Protocol
Routing Protocol vs. Routed Protocol

... • IP addresses are implemented in software, and refer to the network on which a device is located. • IP addressing scheme, according to their geographical location, department, or floor within a building. • Because they are implemented in software, IP addresses are fairly easy to change. ...
Networking 101
Networking 101

... Inter-provider business relationships and the need for customer reachability ensures that the Internet by and large functions for the common good ...
Chapter 9: Circuit Switching and Packet Switching Switching Networks
Chapter 9: Circuit Switching and Packet Switching Switching Networks

... —  Note that if node(i,j) is connected to node(i-1,m), then node(i,m) is connected to node(i-1,j). —  Benes network is consisting of two butterflies back to back ...
High Performance Embedded Computing
High Performance Embedded Computing

... Next-buffer-state table records number of sloots for each output in each class. Transmissions based on next stage, service levels, and round-robin ordering. ...
HomePlug 1.0 Technology White Paper
HomePlug 1.0 Technology White Paper

... Internet data within the home increases continuously. While retrofitting the house with special wires is one option, it is expensive and time consuming. With multiple outlets in every room, residential powerlines are already the most pervasive network in the home. HomePlug standards allow the use of ...
Slide 1
Slide 1

... TCP/IP Protocol Suite & IP Add Public and Private Addresses • Internet Assigned Numbers Authority (IANA) carefully manages the remaining supply of IP addresses to ensure that duplication of publicly used addresses does not occur. • Public IP addresses are unique. No two machines that connect to a pu ...
Computer Communications
Computer Communications

... Observations! • More Internet hosts predicted than people on earth to manage them! • 10 Web pages for every person on earth! • Who will do all this work? • Jobs expected to grow at only 8-11% /yr(1) • Something must change! What will it be? When will it happen? (1) http://stats.bls.gov (US Bureau o ...
Physical and logical topologies. LAN devices.
Physical and logical topologies. LAN devices.

... • A multi-port repeater. • Layer 1 device. ...
chapter 2 - Faculty Personal Homepage
chapter 2 - Faculty Personal Homepage

... Advantages: inexpensive, easy to work with, may already be installed where needed Disadvantages: limited in distance, data rate, and bandwidth; susceptible to interference Comes in two general varieties: shielded twisted pair (STP) and unshielded twisted pair (UTP) ...
9. Strategy for the evolution of the RMDCN
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... since, by default, any site would be able to communicate with any other site. Even though technical solutions are available to bring partitioning features to an MPLS environment, the fully partitioned environment of the current RMDCN is not easily reproducible and difficult to manage in an MPLS VPN ...
networkfundamental
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LN_ch07_Networking_Unix_Linux[2]ch14
LN_ch07_Networking_Unix_Linux[2]ch14

... A LAN in the room connects all the routers, so packets can be forwarded from any backbone to any other backbone ...
Exam Topics in This Chapter
Exam Topics in This Chapter

... helps you discover threats and enforce and harden policies before an attack takes place. These technologies and solutions can help you detect, block, and defend against attacks that have already taken place. In Chapter 16 you learned that the Cisco ASA family has members in many shapes and sizes, an ...
“The Tenet Architecture for Tiered Sensor Networks.”
“The Tenet Architecture for Tiered Sensor Networks.”

... The central thesis of this paper is that the Tenet architectural principle simplifies application development and results in a generic mote tier networking subsystem that can be reused for a variety of applications, all without significant loss of overall system efficiency. Our primary intellectual ...
ATCP: TCP for Mobile Ad Hoc Networks
ATCP: TCP for Mobile Ad Hoc Networks

... Functioning of the ATCP Layer : The ATCP layer is only active at the TCP sender (in a duplex communication, the ATCP layer at both participating nodes will be active). This layer monitors TCP state and the state of the network (based on ECN and ICMP messages) and takes appropriate action. To underst ...
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... and centralized, advanced scheduling sets up lightpaths for these bursts between edge routers. This is in contrast to OFS, where lightpaths are established from end user to end user. Nevertheless, from a widearea perspective, OFS and OCS networks are similar in that they do not employ buffering in t ...
Connectivity
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...  I.e. Multiplexing + indirection = virtualization  We can “refer” to the virtual resource as if it were the physical resource.  Pure magic !  Eg: ...
Using SCTP to Improve QoS and Network Fault-
Using SCTP to Improve QoS and Network Fault-

... • SCTP combines the best features of TCP and UDP and adds several new useful features • SCTP can be used to improve network fault tolerance and improve QoS • Under normal network conditions, SCTP doesn’t seem to have substantial overhead and compares well with TCP and UDP – In addition, it can utili ...
VPN
VPN

... This is done by establishing a virtual point to point connection through the use of dedicated connections, encryption, or a combination of the two VPN technology is also used by ordinary Internet users to connect to proxy servers for the purpose of protecting one's identity ...
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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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