PPT_692430028
... (within the WLAN environment. – for a subscriber to access services provided by a GPRS operator over any WLAN access network, regardless of whether the WLAN is owned by a GPRS operator, (U)SIM-based authentication may be used. ...
... (within the WLAN environment. – for a subscriber to access services provided by a GPRS operator over any WLAN access network, regardless of whether the WLAN is owned by a GPRS operator, (U)SIM-based authentication may be used. ...
EE/CS 450 Introduction to Networks
... Internet draft -> RFC -> Internet standard There are many other standards that are also used, e.g., IEEE, ISO, ITU-T University of Delaware CPEG 419 ...
... Internet draft -> RFC -> Internet standard There are many other standards that are also used, e.g., IEEE, ISO, ITU-T University of Delaware CPEG 419 ...
Percolation and Network Resilience
... degree assortativity and resilience will a network with positive or negative degree assortativity be more resilient to attack? ...
... degree assortativity and resilience will a network with positive or negative degree assortativity be more resilient to attack? ...
Part I: Introduction
... there are just too many way of encoding data to be able to filter out this kind of threat. Although Firewalls provide a high level of security in today's Private Networks to the outside world we still need the assistance of other related Security components in order to guarantee proper network sec ...
... there are just too many way of encoding data to be able to filter out this kind of threat. Although Firewalls provide a high level of security in today's Private Networks to the outside world we still need the assistance of other related Security components in order to guarantee proper network sec ...
SI202: Week 1
... Question 5: Look inside the OSPF Header of the captured Hello Packet. What IP address is listed in the Source OSPF Router field (note: this IP address does not begin with 192.168.65.XX)? This is IP address is very important. It is known as the Router’s ID and uniquely identifies this router to all o ...
... Question 5: Look inside the OSPF Header of the captured Hello Packet. What IP address is listed in the Source OSPF Router field (note: this IP address does not begin with 192.168.65.XX)? This is IP address is very important. It is known as the Router’s ID and uniquely identifies this router to all o ...
Enhancing small cell performance with synchronised backhaul
... The same three choices are available as for small cells: GPS, network listen slaved from another backhaul node or from an external wireline source. Metnet passes this synchronisation timing signal over dedicated radio registration channels rather than bearer traffic channels, avoiding delay variatio ...
... The same three choices are available as for small cells: GPS, network listen slaved from another backhaul node or from an external wireline source. Metnet passes this synchronisation timing signal over dedicated radio registration channels rather than bearer traffic channels, avoiding delay variatio ...
IP: Adressing, ARP, and Routing
... When all machines receive the ARP request broadcast, they can store the address mapping in their cache. Do they? ARP is used when an IP to physical address mapping changes to notify hosts on the network of the change ARP messages are encapsulated in MAC frames. A special value in the type field of t ...
... When all machines receive the ARP request broadcast, they can store the address mapping in their cache. Do they? ARP is used when an IP to physical address mapping changes to notify hosts on the network of the change ARP messages are encapsulated in MAC frames. A special value in the type field of t ...
Dominating-Set-Based Routing in Ad Hoc Wireless Networks
... visiting network (where the MS is located) and a visiting database (which keeps track of the MS’s in its service area) ...
... visiting network (where the MS is located) and a visiting database (which keeps track of the MS’s in its service area) ...
1_hProtocolsOSI
... • it defines the actual media and characteristics used to send the 1’s and 0’s over the network. • This includes the actual wiring itself, the connectors used, voltage levels, maximum media distances and so forth. • For example, a packet might start on twisted-pair wiring, move onto a wireless netwo ...
... • it defines the actual media and characteristics used to send the 1’s and 0’s over the network. • This includes the actual wiring itself, the connectors used, voltage levels, maximum media distances and so forth. • For example, a packet might start on twisted-pair wiring, move onto a wireless netwo ...
Coexistence of Wi-Fi and Heterogeneous Small Cell
... always be feasible, especially for the dense deployment of small cells. In the meanwhile, inband wireless backhaul solutions using the licensed spectrum may not be feasible either, because of the scarcity of the licensed spectrum [7]. Recently, the millimeter-wave bands, such as the unlicensed 60 GH ...
... always be feasible, especially for the dense deployment of small cells. In the meanwhile, inband wireless backhaul solutions using the licensed spectrum may not be feasible either, because of the scarcity of the licensed spectrum [7]. Recently, the millimeter-wave bands, such as the unlicensed 60 GH ...
CIS339
... A builder who has just completed a block of 50 flats, is finding that the flats are difficult to sell. He has decided that he needs a unique selling point to attract buyers and has decided that very high speed internet of at least 50 Mbit/s could be just what is needed. The telephone company has alr ...
... A builder who has just completed a block of 50 flats, is finding that the flats are difficult to sell. He has decided that he needs a unique selling point to attract buyers and has decided that very high speed internet of at least 50 Mbit/s could be just what is needed. The telephone company has alr ...
CSC 335 Data Communications and Networking I
... consistent set of DS policies are administered – Typically under control of one organization – Defined by service level agreements (SLA) ...
... consistent set of DS policies are administered – Typically under control of one organization – Defined by service level agreements (SLA) ...
Computer Networks
... Frequency Hopping: The sender keeps changing the carrier wave frequency at which its sending its data. Receiver must be in synch with transmitter, and know the ordering of frequencies. Direct-Sequence: The receiver listens to a set of frequencies at the same time. The subset of frequencies that actu ...
... Frequency Hopping: The sender keeps changing the carrier wave frequency at which its sending its data. Receiver must be in synch with transmitter, and know the ordering of frequencies. Direct-Sequence: The receiver listens to a set of frequencies at the same time. The subset of frequencies that actu ...
Reading Report 4 Yin Chen 26 Feb 2004
... A new node connects to one of several known hosts that are almost always available (i.e. gnutellahosts.com). Once attached to the network, nodes send messages to interact with each other. A node periodically PINGs its neighbors to discover other participating nodes. Nodes decide where to conne ...
... A new node connects to one of several known hosts that are almost always available (i.e. gnutellahosts.com). Once attached to the network, nodes send messages to interact with each other. A node periodically PINGs its neighbors to discover other participating nodes. Nodes decide where to conne ...
History of the Web
... Doug Engelbart prototypes an "oNLine System" (NLS) which does hypertext browsing editing, email, and so on. He invents the mouse for this purpose. Ted Nelson coins the word Hypertext in A File Structure for the Complex, the Changing, and the Indeterminate. 20th National Conference, Andy van Dam and ...
... Doug Engelbart prototypes an "oNLine System" (NLS) which does hypertext browsing editing, email, and so on. He invents the mouse for this purpose. Ted Nelson coins the word Hypertext in A File Structure for the Complex, the Changing, and the Indeterminate. 20th National Conference, Andy van Dam and ...
IP tutorial – #1 - Network Computing Lab
... separate (Class C) network ID for each link. And then every other router in the Internet had to know about every network ID in every organization, which led to large address tables. Small organizations wanted Class B in case they grew to more than 255 hosts. But there were only about 16,000 Class B ...
... separate (Class C) network ID for each link. And then every other router in the Internet had to know about every network ID in every organization, which led to large address tables. Small organizations wanted Class B in case they grew to more than 255 hosts. But there were only about 16,000 Class B ...
Communication - Cs.princeton.edu
... • Sends ACK packets quickly to the sender • Overwrites the receive window with a large value • Or, even run a new and improved version of TCP ...
... • Sends ACK packets quickly to the sender • Overwrites the receive window with a large value • Or, even run a new and improved version of TCP ...
4. Virtual Private Networks ( VPN )
... Intranet-based - This type of Site-to-site VPN is used to extend a company's existing LAN to other buildings and sites, so that these remote employees can utilize the same Extranet-based- With an Extranet-based VPN two or more companies can establish a network services. secure network connection in ...
... Intranet-based - This type of Site-to-site VPN is used to extend a company's existing LAN to other buildings and sites, so that these remote employees can utilize the same Extranet-based- With an Extranet-based VPN two or more companies can establish a network services. secure network connection in ...
Home Networking And Flying Cars
... the highway have to wait until there is a large enough gap between cars before they can enter. Further, just as the average speed of traffic on a highway drops as the number of cars on the highway increases, the average throughput on these networks will decrease with increasing traffic. When the num ...
... the highway have to wait until there is a large enough gap between cars before they can enter. Further, just as the average speed of traffic on a highway drops as the number of cars on the highway increases, the average throughput on these networks will decrease with increasing traffic. When the num ...
ip-basics
... Public IP address space – Assigned by an appropriate authority such as RIPE, ARIN, AFRINIC, etc. or Local Internet Registries (LIRs) – Public Address space for the Africa Region available from AfriNIC ...
... Public IP address space – Assigned by an appropriate authority such as RIPE, ARIN, AFRINIC, etc. or Local Internet Registries (LIRs) – Public Address space for the Africa Region available from AfriNIC ...
non-line-of
... Future trend for wireless communications Future wireless applications create insatiability demand for “high data rate” and “high link quality” wireless access Spectrum has become a scarce and expensive resource bandwidth is very limited Regulation, device and system capacity concerns transmit power ...
... Future trend for wireless communications Future wireless applications create insatiability demand for “high data rate” and “high link quality” wireless access Spectrum has become a scarce and expensive resource bandwidth is very limited Regulation, device and system capacity concerns transmit power ...
BACnet Goes To College
... simple and efficient protocol that Figure 1: Results of testing native BACnet prodsends and receives datagrams ucts using VTS 3.1.5. over an IP network through specific ports. The BACnet commitStability of the products was the sectee chose UDP/IP as it supports broadcast messages. However, experi- o ...
... simple and efficient protocol that Figure 1: Results of testing native BACnet prodsends and receives datagrams ucts using VTS 3.1.5. over an IP network through specific ports. The BACnet commitStability of the products was the sectee chose UDP/IP as it supports broadcast messages. However, experi- o ...
STAPS Wireless Receiver / Repeater
... (see separate IMI) and passes the data onto the PC software (again see separate IMI) via a LAN connection or network switch. In areas with considerable RF obstructions it can act as a repeater, relaying the data onto another receiver using the same 2.4 GHz wireless network. The receiver is the link ...
... (see separate IMI) and passes the data onto the PC software (again see separate IMI) via a LAN connection or network switch. In areas with considerable RF obstructions it can act as a repeater, relaying the data onto another receiver using the same 2.4 GHz wireless network. The receiver is the link ...
Multiplexing
... – Single node to node link can be shared by many packets over time. – Packets queued and transmitted as fast as possible. • Data rate conversion: – Each station connects to the local node at its own speed. – Nodes buffer data if required to equalize rates. • Packets are accepted even when network is ...
... – Single node to node link can be shared by many packets over time. – Packets queued and transmitted as fast as possible. • Data rate conversion: – Each station connects to the local node at its own speed. – Nodes buffer data if required to equalize rates. • Packets are accepted even when network is ...
Lecture 3 - Network hardware, Ethernet
... • Implemented on coaxial cable of up to 500 meters in length • Hosts connect by “tapping” into it. – Taps at least 2.5 meters apart ...
... • Implemented on coaxial cable of up to 500 meters in length • Hosts connect by “tapping” into it. – Taps at least 2.5 meters apart ...