Multi-Mode ADSL Bridge/Router
... upgraded from a G.Lite service to a Full-Rate service or vice versa ...
... upgraded from a G.Lite service to a Full-Rate service or vice versa ...
Chapter 2: Attackers and Their Attacks
... These IP addresses are not assigned to any specific user or organization; anyone can use them on their own private internal network Port address translation (PAT) is a variation of NAT Each packet is given the same IP address, but a different TCP port number ...
... These IP addresses are not assigned to any specific user or organization; anyone can use them on their own private internal network Port address translation (PAT) is a variation of NAT Each packet is given the same IP address, but a different TCP port number ...
Fastpass
... • A core arbiter would have to handle a large volume of traffic, so allocating at MTU-size granularity would not be computationally feasible. Solution：the use of specialized hardware ...
... • A core arbiter would have to handle a large volume of traffic, so allocating at MTU-size granularity would not be computationally feasible. Solution：the use of specialized hardware ...
Quality of Service
... Routing decision is made separately for each packet, possibly depending on the traffic at the moment the packet is sent. There is no guarantee that the packets arrive at the destination in order. This model is not quite as simple as it looks. Some issues have to be considered such as: The multiproto ...
... Routing decision is made separately for each packet, possibly depending on the traffic at the moment the packet is sent. There is no guarantee that the packets arrive at the destination in order. This model is not quite as simple as it looks. Some issues have to be considered such as: The multiproto ...
Ch 2: Exploring Control Types and Methods
... Uses a RADIUS server to store credentials for each user – Supports Extensible Authentication Protocol (EAP) which can use multiple authentication methods, including digital certificates ...
... Uses a RADIUS server to store credentials for each user – Supports Extensible Authentication Protocol (EAP) which can use multiple authentication methods, including digital certificates ...
Exam Paper Stationery - University of East Anglia
... -54. (a)(i) The data link layer of the OSI seven layer reference model can employ forward error correction (FEC) or backward error correction (BEC) to reduce the effect of errors that occur in transmission. Explain the operation and differences between FEC and BEC and comment on their effectiveness ...
... -54. (a)(i) The data link layer of the OSI seven layer reference model can employ forward error correction (FEC) or backward error correction (BEC) to reduce the effect of errors that occur in transmission. Explain the operation and differences between FEC and BEC and comment on their effectiveness ...
Test Environment set-up for Cymphonix® Network Composer EX
... Network Composer and run reports, investigate traffic patterns, perform an HR or security incident response, or implement the content controls spelled out in their acceptable use policies. To fully test the features of the Cymphonix Network Composer, Cymphonix recommends deploying Network Composer i ...
... Network Composer and run reports, investigate traffic patterns, perform an HR or security incident response, or implement the content controls spelled out in their acceptable use policies. To fully test the features of the Cymphonix Network Composer, Cymphonix recommends deploying Network Composer i ...
Networks - What are They
... Radio waves of one form or another May be direct digital form Traditional modem through cellular telephone Easy to install Excellent in areas where wire infrastructure is not in place Cheaper than wire based Typically slower than wire type More prone to errors Environment Interference Types by Mobil ...
... Radio waves of one form or another May be direct digital form Traditional modem through cellular telephone Easy to install Excellent in areas where wire infrastructure is not in place Cheaper than wire based Typically slower than wire type More prone to errors Environment Interference Types by Mobil ...
Download PDF
... ISDN BRIs to the SmartNode product line. The added mechanisms ensure business continuity for data—as well as Voice-over-IP. By maximizing uptime for all traffic types, SmartNode delivers reliable unified communications for a high-quality user experience. “We’ve wiped out the FUD* factor for Voice-ov ...
... ISDN BRIs to the SmartNode product line. The added mechanisms ensure business continuity for data—as well as Voice-over-IP. By maximizing uptime for all traffic types, SmartNode delivers reliable unified communications for a high-quality user experience. “We’ve wiped out the FUD* factor for Voice-ov ...
Network
... • 1983 the servers got names. Since that time it is not longer neccessary to know the exact path to another system. • 1984 DNS (Domain name services) was established. • 1990 300000 Computers were connected to the Internet. A text oriented search-system (archie) was created. • 1991 Tim Berners-Lee de ...
... • 1983 the servers got names. Since that time it is not longer neccessary to know the exact path to another system. • 1984 DNS (Domain name services) was established. • 1990 300000 Computers were connected to the Internet. A text oriented search-system (archie) was created. • 1991 Tim Berners-Lee de ...
Internetwork - Department of Computer Engineering
... in which each packet switch thinks the next packet switch in the set is the shortest path to a particular destination As a result, a packet can circulate among the switches indefinitely ...
... in which each packet switch thinks the next packet switch in the set is the shortest path to a particular destination As a result, a packet can circulate among the switches indefinitely ...
Data Networks, Summer 2007 Homework #1
... the output ports are often not kept busy transmitting as much as possible. Explain why you think this design has such a low utilization problem. (10 points) The reason is that when packets from different inputs are waiting for the same output (e.g. the two packet “3”s, one has to wait), other packet ...
... the output ports are often not kept busy transmitting as much as possible. Explain why you think this design has such a low utilization problem. (10 points) The reason is that when packets from different inputs are waiting for the same output (e.g. the two packet “3”s, one has to wait), other packet ...
Becoming a Networking Expert
... usually looks like this: 128.223.142.14. Most computers also have a "domain name" assigned to them, which represents cryptic IP addresses with words that are easier to remember like www.google.com Network: Two or more computing devices connected together by wiring, cable, digital circuit, or other ...
... usually looks like this: 128.223.142.14. Most computers also have a "domain name" assigned to them, which represents cryptic IP addresses with words that are easier to remember like www.google.com Network: Two or more computing devices connected together by wiring, cable, digital circuit, or other ...
Week_Four_Network_MIMIC_ppt
... IETF Integrated Services Working Group QoS Resource Reservation Protocol (RSVP) is considered a set up protocol used by a host to request specific qualities of service from the network for particular application flow. RSVP is used by routers to deliver QoS requests to other routers along the paths o ...
... IETF Integrated Services Working Group QoS Resource Reservation Protocol (RSVP) is considered a set up protocol used by a host to request specific qualities of service from the network for particular application flow. RSVP is used by routers to deliver QoS requests to other routers along the paths o ...
internet_and_WWW
... • Many different services use the Internet for transferring information • They most often use TCP/IP to transfer data – Transmission Control protocol/Internet Protocol ...
... • Many different services use the Internet for transferring information • They most often use TCP/IP to transfer data – Transmission Control protocol/Internet Protocol ...
Quality of Service in the Internet QoS Parameters
... occur, packets are not discarded. Suitable for intolerant real-time applications. Controlled Load: “weak” guarantees, small deviations are possible. Principle: for data streams of this class the network behaves as best effort for an unloaded network. No guarantees are given, suitable for tolerant ...
... occur, packets are not discarded. Suitable for intolerant real-time applications. Controlled Load: “weak” guarantees, small deviations are possible. Principle: for data streams of this class the network behaves as best effort for an unloaded network. No guarantees are given, suitable for tolerant ...
“Winds of Aiolos”: How connect the Greek Schools
... • The right choice of Internet Service Providers (ISPs) for the access to the Internet as well as for the communication and collaboration between educational units. The usage of an existing backbone network has the following advantages: • Usage of a backbone network oriented to research and educatio ...
... • The right choice of Internet Service Providers (ISPs) for the access to the Internet as well as for the communication and collaboration between educational units. The usage of an existing backbone network has the following advantages: • Usage of a backbone network oriented to research and educatio ...
bhoot pres1
... so less interference with radio signals from other nodes. The network is able to benefit from channel reuse, resulting in improved spatial capacity. Traffic balancing by dynamically routing traffic around a congested node. Less broadband connections required. ...
... so less interference with radio signals from other nodes. The network is able to benefit from channel reuse, resulting in improved spatial capacity. Traffic balancing by dynamically routing traffic around a congested node. Less broadband connections required. ...
Internet Routing Availability
... Internet (though not all of it). This is because Con Ed Communications, a competence-challenged ISP in New York, is announcing our routes to the Internet. In English, that means that they are claiming that all our traffic should be passing through them, when of course it should not. Those portions o ...
... Internet (though not all of it). This is because Con Ed Communications, a competence-challenged ISP in New York, is announcing our routes to the Internet. In English, that means that they are claiming that all our traffic should be passing through them, when of course it should not. Those portions o ...
Switching and Routing
... • Where should these functions be realized? – How does the Internet realize these functions? • No deadlock issue • Reliability/flow control/in-order delivery are done at the TCP layer? • The network layer (IP) provides best effort service. – IP is done in the software as well. ...
... • Where should these functions be realized? – How does the Internet realize these functions? • No deadlock issue • Reliability/flow control/in-order delivery are done at the TCP layer? • The network layer (IP) provides best effort service. – IP is done in the software as well. ...
lec5-network
... used to setup, maintain teardown VC used in ATM, frame-relay, X.25 not used in today’s Internet ...
... used to setup, maintain teardown VC used in ATM, frame-relay, X.25 not used in today’s Internet ...
Slide 1
... What is so special about a virtual path? • ATM is connection-oriented, so circuit must be established before transmission – As route established, VPIs and VCIs are assigned • VPI and VCI info suffices for addressing info • Simplified network architecture (based on VC or VP) • Increased network perf ...
... What is so special about a virtual path? • ATM is connection-oriented, so circuit must be established before transmission – As route established, VPIs and VCIs are assigned • VPI and VCI info suffices for addressing info • Simplified network architecture (based on VC or VP) • Increased network perf ...
Dynamic Network Selection for Robust Communications – Why Disruption Tolerance Matters
... may collect statistical data about when specific access networks are available. An interpretation of this data set allows for finding dependencies on the availability of networks (e.g. on average, network B appears 10 minutes after the coverage area of network A was left) or the availability cycles ...
... may collect statistical data about when specific access networks are available. An interpretation of this data set allows for finding dependencies on the availability of networks (e.g. on average, network B appears 10 minutes after the coverage area of network A was left) or the availability cycles ...
A Tag Encoding Scheme against Pollution Attack to
... of size 128 bits with very high computational complexity. In addition, even if the schemes in tolerate less nodes to be compromised, very large redundancy is needed to append to each data packet. For example, if the most recent MacSig scheme allows 15 nodes to be compromised with a probability 99.5 ...
... of size 128 bits with very high computational complexity. In addition, even if the schemes in tolerate less nodes to be compromised, very large redundancy is needed to append to each data packet. For example, if the most recent MacSig scheme allows 15 nodes to be compromised with a probability 99.5 ...
Primary Enabling Infrastructure for Mobile Internet
... • Currently Over 3 billion mobile phone users, estimated to grow to 5 billion in 2010 – Growing dependence on mobile connectivity – Demand for Data mobility – Significant increase in Data, video and application development ...
... • Currently Over 3 billion mobile phone users, estimated to grow to 5 billion in 2010 – Growing dependence on mobile connectivity – Demand for Data mobility – Significant increase in Data, video and application development ...