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ITE PC v4.0 Chapter 1 - Система е
ITE PC v4.0 Chapter 1 - Система е

...  Enables many different communications, from many different users, to be interleaved (multiplexed) on the same network, at the same time.  Provides the means to both send and receive data when running multiple applications. ...
Network Sharing in LTE
Network Sharing in LTE

... revenue does not increase the same way. These challenges are depicted in Figure 1. Data traffic explosion is explained by both a change in the way we communicate and a rapid change in wireless devices, enabling anytime, anywhere multimedia communications. Millennials, loosely defined as 11 to 30 yea ...
IMS_new_possibilities
IMS_new_possibilities

... IMS Momentum  The OMA (Open Mobile Alliance) “IMSinOMA” Requirements Document (RD) provides a single general use case which rationalizes IMS as the only globally standardized SIP-based architecture (to date) that addresses the needs of mobile operators in terms of session management, security, mob ...
topological database - YSU Computer Science & Information Systems
topological database - YSU Computer Science & Information Systems

... The DR could represent a single point of failure, so a second router is elected as the BDR to provide fault tolerance. Thus, the BDR must also become adjacent to all routers on the network and must serve as a second focal point for LSAs. But, unlike the DR, the BDR is not responsible for updating th ...
ITE PC v4.0 Chapter 1
ITE PC v4.0 Chapter 1

...  Enables many different communications, from many different users, to be interleaved (multiplexed) on the same network, at the same time.  Provides the means to both send and receive data when running multiple applications. ...
Problem - UC Berkeley Robotics and Intelligent Machines Lab
Problem - UC Berkeley Robotics and Intelligent Machines Lab

... Or O/E/O conversion of header at each hop Packets are small  Fast switching (nsec) Need store-and-forward at nodes or Deflection Routing. Also store packet during header processing Buffers are extremely hard to implement  Fiber delay lines ...
OpenFlow: Enabling Research in Production Networks
OpenFlow: Enabling Research in Production Networks

... 1. A clean separation between the substrate and an open programming environment 2. A simple hardware substrate that generalizes, subsumes and simplifies the current substrate ...
IP Multicast
IP Multicast

... inform the routers of multicast sources, this traffic is initially broadcast throughout the domain. Upon first receiving traffic to a dense group on its interface closest to the source, a router forwards this traffic out all of its interfaces except the interface on which it received the data. • If ...
Network Address Translation (NAT) Background Material for Overlay
Network Address Translation (NAT) Background Material for Overlay

... –  Direct communication is tried –  Idea: each UDP send operation opens a hole •  Very similar to connection reversal –  Does not work with symmetric NATs –  Can be used with TCP as well but this case is more complex ...
ppt
ppt

... – Direct communication is tried – Idea: each UDP send operation opens a hole • Very similar to connection reversal – Does not work with symmetric NATs – Can be used with TCP as well but this case is more complex ...
ch_01_Network_Overview - Faculty Web Hosting
ch_01_Network_Overview - Faculty Web Hosting

... Designed to extend over an entire city, connects LANs ...
Link Layer
Link Layer

... shared RF (e.g., 802.11 WiFi) ...
Cray XC Series Network
Cray XC Series Network

... In all but the largest systems, each group has many more global links than there are groups, thus multiple connections can be made between every pair of groups. Where full global bandwidth is not required, the global network can be depopulated to reduce its cost. Notably absent here are the disconti ...
Easy Steps to Cisco Extended Access List
Easy Steps to Cisco Extended Access List

... based on source and destination IP address, port numbers and upper-layer protocols. Standard access list can deny or permit packets by source address only and permit or deny entire TCP/IP protocol suite. Therefore by extended, it means greater functionality and flexibility. Extended access list is a ...
CCNA 3 Revision Notes
CCNA 3 Revision Notes

... 6. What is meant by “route aggregation”? It’s the same thing as route summarization; it’s a way to summarize more than 1 route with one route entry in a router’s routing table. 7. How can you take advantage of route aggregation using VLSM? Make sure your VLSM routes are not distant from each other. ...
Kein Folientitel
Kein Folientitel

... • DFN participates in EGEE (Enabling Grids for e-science in Europe) – international Grid-Infrastructure based on existing networks ...
Annex 16
Annex 16

... The mandate called for a packet data solution that is integrated with existing TETRA1 standard, and has at least a 10-fold increase in data speed over that standard. To ensure maximum compatibility with the TETRA1 protocol, access to TEDS channels is only allowed via the TETRA1 control channel on Co ...
IPv4 Multicast Security: A Network Perspective
IPv4 Multicast Security: A Network Perspective

... packets use class D addresses, the four high order bits of these address fields are fixed as 1-1-10. This means that 28 bits are left in the field to designate specific multicast group addresses. IEEE 802 LANs such as ethernet use frames with 48-bit address fields. However, the first 24 bits of thes ...
A Study of the Novel Approaches Used in Intrusion Detection and
A Study of the Novel Approaches Used in Intrusion Detection and

... increasing number of security threats in the form of Trojan worm attacks and viruses that can damage the computer systems, servers and communication channels. Though Firewalls are used as a necessary security measure in a network environment but still different types of security issues keep on arisi ...
MF10 3G Wireless Router
MF10 3G Wireless Router

... Connecting the external power ................................................................................... 14 Switching on your device............................................................................................ 14 Power supply................................................... ...
Delivering HPC Applications with Juniper Networks and Chelsio
Delivering HPC Applications with Juniper Networks and Chelsio

... 500 supercomputers now use Ethernet as their standard networking technology (source: top500.org), while the highperformance, latency sensitive applications required for HPC, financial trading, and modeling environments leverage IP/ Ethernet networks to run the same MPI/RDMA applications using iWARP. ...
IP MULTICAST ROUTING
IP MULTICAST ROUTING

... • Scope-limiting parameter for IP Multicast datagrams • Controls the number of hops that a IP Multicast packet is allowed to propagate • TTL = 1: local network multicast • TTL > 1: Multicast router(s) attached to the local network forward IP Multicast datagrams ...
tcp - clear.rice.edu
tcp - clear.rice.edu

... • Purpose 1: Demultiplexing of data streams to different application processes • Purpose 2: Provide value-added services that many applications want – Recall network layer in Internet provides a “Best-effort” service only, transport layer can add value to that • Application may want reliability, etc ...
Types of Routing Protocols
Types of Routing Protocols

... Autonomous system AS stands for the autonomous system. Autonomous system may be defined as a network under the same administration with a common routing policy. IGP (Interior Gateway Protocol) In case of the IGP all router with same Autonomous Number will share the same routing table info or communi ...
Agent - Read
Agent - Read

...  Network management applications.  Provide an interface which the human network manager can monitor and control the network. ...
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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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