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Slide 1
Slide 1

... Guaranteed/reserved bandwidth. Identify flows by connection identifier rather than source/destination address (tag switching) ENTS689L: Packet Processing and Switching Networking Technologies ...
Brocade 6520 Switch Data Sheet
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... To meet dynamic and growing business demands, data centers are evolving into highly virtualized environments and cloud-based architectures. This approach enables organizations to consolidate and simplify their IT resources, resulting in increased business agility and lower capital and operating expe ...
Q and A for Ch. 17
Q and A for Ch. 17

... other old bitties sharing the latest gossip. Suppose you tell the person to your left some juicy gossip about who sat in a different pew in church on Sunday. (Oh my!) Then, that person tells the person on her left, who tells the person on her left, etc., until it comes back to you. If you just tell ...
The Network Layer
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XML: Part - RoboSoft
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... • Provides standard way to transmit, format, and display Internet data for devices such as cell phones • A WAP cell phone runs a microbrowser that uses Wireless Markup Language (WML) instead of HTML – WML is designed to display text-based Web content on the small screen of a cell phone – Because the ...
Chapter 4 - ECE Users Pages
Chapter 4 - ECE Users Pages

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Figure 1.5. Hybrid Wireless Mesh Network
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... bandwidth problems is further aggravated for multi-hop ad hoc networks due to interference from adjacent hops on the same path as well as from neighboring paths .Fortunately, the IEEE 802.11b/g standards and IEEE 802.11a standard provide 3 and 12 non-overlapped frequency channels respectively, which ...
Chap 7: Protecting Advanced Communications
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... • Provides standard way to transmit, format, and display Internet data for devices such as cell phones • A WAP cell phone runs a microbrowser that uses Wireless Markup Language (WML) instead of HTML – WML is designed to display text-based Web content on the small screen of a cell phone – Because the ...
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... Another method to monitor may be to connect a layer-1 hub between the monitored device and its switch port. This will induce minor delay, but will provide multiple interfaces that can be used to monitor the individual switch port. ...
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High Speed Ethernet
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... Only HSE has full network redundancy Only HSE has device redundancy Only HSE has a programming language Built on standard Ethernet Networking hardware are extremely low cost compared to the proprietary. • Wealth of options for media available including twisted pair, fiber optics and wireless. • Comm ...
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... • If a message that you must restart your computer is displayed, click Yes to restart you computer. Wait until your computer restarts to launch Sprint SmartView. Q: Where can I get the latest version of the Sprint SmartView software for my U300 USB modem? A: Users can initiate an update to the lates ...
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... Once an organization has properly identified its IT Security requirements, prevention measures are set up to prevent or restrict an error, omission or unauthorized intrusion. Monitoring and reporting should give the organization a proper visibility on its information system. They must be defined so ...
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... packet, primarily by examining the destination address in the header of the packet. MPLS has greatly simplified this operation by basing the forwarding decision on a simple label. Another major feature of MPLS is its ability to place IP traffic on a defined path through the network. This capability ...
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...  IP address:  subnet part (high order bits)  host part (low order bits)  What’s a subnet ?  device interfaces with same subnet part of IP address  can physically reach each other without intervening router ...
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... Simple switched Ethernet networks, while an improvement over hub based Ethernet, suffer from a number of issues: They suffer from single points of failure. If any link fails some devices will be unable to communicate with other devices and if the link that fails is in a central location lots of user ...
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... must use one of two ways to learn how to get to the remote network:  Static routing: meaning that someone must hand-type all network locations into the routing table. Dynamic routing: In dynamic routing, a protocol on one router communicates with the same protocol running on neighbor routers. The ...
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...  call setup, teardown for each call before data can flow  each packet carries VC identifier (not destination host ID)  every router on source-dest path maintains “state” for ...
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... portable devices. These methods employ diverse mechanisms to predict periods of inactivity during communication. Based upon these predictions the mobile device is put into a low-power state. The most basic power management policy is a time-out. If the device remains idle for a certain period, it is ...
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... • From a source computer to a destination, which may be another host, a multicast group, or a broadcast domain. • A network flow measures sequences of IP packets sharing a common feature as they pass between devices. • Flow format: • NetFlow(Cisco) • J-Flow(Juniper) • Sflow(HP) ...
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Chapter 4: Network Layer

... Outgoing interface ...
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Network tap

A network tap is a hardware device which provides a way to access the data flowing across a computer network. In many cases, it is desirable for a third party to monitor the traffic between two points in the network. If the network between points A and B consists of a physical cable, a ""network tap"" may be the best way to accomplish this monitoring. The network tap has (at least) three ports: an A port, a B port, and a monitor port. A tap inserted between A and B passes all traffic through unimpeded, but also copies that same data to its monitor port, enabling a third party to listen.Network taps are commonly used for network intrusion detection systems, VoIP recording, network probes, RMON probes, packet sniffers, and other monitoring and collection devices and software that require access to a network segment. Taps are used in security applications because they are non-obtrusive, are not detectable on the network (having no physical or logical address), can deal with full-duplex and non-shared networks, and will usually pass through traffic even if the tap stops working or loses power.
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