Streaming infrastructure
... Access to IB In general all users can access IB shared links cause capacity shortfall variable capacity broadcast lowest quality at 28.8 kbps ...
... Access to IB In general all users can access IB shared links cause capacity shortfall variable capacity broadcast lowest quality at 28.8 kbps ...
ppt - CSE Labs User Home Pages
... Fate-sharing, eliminates network state restoration stateless network architecture (no per-flow state) ...
... Fate-sharing, eliminates network state restoration stateless network architecture (no per-flow state) ...
Presentation Title
... © 2010 Allied Telesis Inc. All rights reserved. Information in this document is subject to change without notice. All company names, logos, and product designs that are trademarks or registered trademarks are the property of their respective owners. ...
... © 2010 Allied Telesis Inc. All rights reserved. Information in this document is subject to change without notice. All company names, logos, and product designs that are trademarks or registered trademarks are the property of their respective owners. ...
QoS in Converged Networks
... groom, inspect, or route traffic. • Layer 3 switching accomplishes some router-like activities: queuing, routing, and packetinspection. • It can be used to shape the traffic on the data link based on each packet’s • characteristics. • For example, it’s possible to drop all non-voice traffic by filte ...
... groom, inspect, or route traffic. • Layer 3 switching accomplishes some router-like activities: queuing, routing, and packetinspection. • It can be used to shape the traffic on the data link based on each packet’s • characteristics. • For example, it’s possible to drop all non-voice traffic by filte ...
B227_2001_ASS2SOLUTIONS
... Explain in simple terms with the aid of a diagram the Shortest Path routing algorithm and how the deletion or insertion of a node on a subnet would be dealt with in a static routing algorithm such as the Flow-based routing algorithm. (8 marks) The shortest path algorithm is concerned with finding th ...
... Explain in simple terms with the aid of a diagram the Shortest Path routing algorithm and how the deletion or insertion of a node on a subnet would be dealt with in a static routing algorithm such as the Flow-based routing algorithm. (8 marks) The shortest path algorithm is concerned with finding th ...
CSEE4119-2Overview - compnet
... 1.5 Protocol layers, service models 1.6 Networks under attack: security 1.7 History ...
... 1.5 Protocol layers, service models 1.6 Networks under attack: security 1.7 History ...
Document
... SDK(closed-source, no power model, low speed) SimpleScalar (disparity with real NP, inaccuracy) ...
... SDK(closed-source, no power model, low speed) SimpleScalar (disparity with real NP, inaccuracy) ...
Performance Evaluation of VoIP and TCP over wireless networks
... access of data frames: avoid collisions of long data frames • sender first transmits small request-to-send (RTS) packets to AP using CSMA – RTSs may still collide with each other (but they’re short) • AP broadcasts clear-to-send CTS in response to RTS • CTS heard by all nodes – sender transmits data ...
... access of data frames: avoid collisions of long data frames • sender first transmits small request-to-send (RTS) packets to AP using CSMA – RTSs may still collide with each other (but they’re short) • AP broadcasts clear-to-send CTS in response to RTS • CTS heard by all nodes – sender transmits data ...
IP Trace-back - HKU Information Technology Services
... The objective of IP traceback is to determine the true source of DoS/DDoS attacks. IP traceback and attack detection form an efficient collaborative defence against DoS attacks across the Internet. Depending on the company’s resources, there also exist various pro-active techniques that all have evo ...
... The objective of IP traceback is to determine the true source of DoS/DDoS attacks. IP traceback and attack detection form an efficient collaborative defence against DoS attacks across the Internet. Depending on the company’s resources, there also exist various pro-active techniques that all have evo ...
슬라이드 1
... The benefit of choosing a large o value is that earlier marking will not be overwritten by the routers close to the victim, which presumably handle the majority of the victim's traffic anyway. We would like a small o value, so that as many routers as possible will mark the packet. We therefore choo ...
... The benefit of choosing a large o value is that earlier marking will not be overwritten by the routers close to the victim, which presumably handle the majority of the victim's traffic anyway. We would like a small o value, so that as many routers as possible will mark the packet. We therefore choo ...
Internet
... – Resource sharing • Make all programs, data, and equipment available to anyone on the network ...
... – Resource sharing • Make all programs, data, and equipment available to anyone on the network ...
Threats, Vulnerabilities, and Attacks
... programs stored in a computer. It may be benign or have a negative effect, such as causing a program to operate incorrectly or corrupting a computer's memory What is the difference between worms ...
... programs stored in a computer. It may be benign or have a negative effect, such as causing a program to operate incorrectly or corrupting a computer's memory What is the difference between worms ...
IPSec VPN`s
... • Original Design Model for Internet – The model of Internet was made for a more benign environment like academia – All data on Internet was free to all and anyone could share or modify the data – Since the some etiquette was being observed by the limited Internet community, security was hardly an i ...
... • Original Design Model for Internet – The model of Internet was made for a more benign environment like academia – All data on Internet was free to all and anyone could share or modify the data – Since the some etiquette was being observed by the limited Internet community, security was hardly an i ...
PPT
... Self-organizing sensor networks reporting on everything everywhere Bluetooth personal networks connecting devices City wide 802.11 networks run by individuals and companies No more Cat5 in homes/businesses ...
... Self-organizing sensor networks reporting on everything everywhere Bluetooth personal networks connecting devices City wide 802.11 networks run by individuals and companies No more Cat5 in homes/businesses ...
Security The big picture Some consequences Three types of threat
... • Must control what server makes client do - E.g., If you are visiting badguy.com, shouldn’t make you connect to other machines behind your firewall [more next class on firewalls] ...
... • Must control what server makes client do - E.g., If you are visiting badguy.com, shouldn’t make you connect to other machines behind your firewall [more next class on firewalls] ...
Ethernet - GITAM University
... protocol exists on the Transport Layer of the OSI Model. • The TCP protocol is a connection-oriented protocol which provides end-to-end reliability. • Internet protocol is the set of techniques used by many hosts for transmitting data over the Internet. • The TCP/IP model is a description framework ...
... protocol exists on the Transport Layer of the OSI Model. • The TCP protocol is a connection-oriented protocol which provides end-to-end reliability. • Internet protocol is the set of techniques used by many hosts for transmitting data over the Internet. • The TCP/IP model is a description framework ...
Network Forensics Tracking Hackers Through Cyberspace.
... • An attacker attempts to recover the WEP encryption key to gain unauthorized access to a WEP-encrypted network. • Forced generation of large amounts of initialization vectors (IV) until right one is created ...
... • An attacker attempts to recover the WEP encryption key to gain unauthorized access to a WEP-encrypted network. • Forced generation of large amounts of initialization vectors (IV) until right one is created ...
HGiga PowerStation Product Presentation
... The experience tells us that 80% of the available is abused by only 20% of total users/applications. Also, the bandwidth abusers frequently change the IP as well as MAC address to avoid from being tracked, which causes quite a lot of administrative burden. PowerStation monitors and searches for ever ...
... The experience tells us that 80% of the available is abused by only 20% of total users/applications. Also, the bandwidth abusers frequently change the IP as well as MAC address to avoid from being tracked, which causes quite a lot of administrative burden. PowerStation monitors and searches for ever ...
The Network Layer - Computer Science
... • Organization gets a block of addresses from an ISP (Internet Service Provider) • Individual hosts gets address within organization’s block – Manual: system administrator gives host a fixed IP (needed for externally available servers) – DHCP: protocol to request an available address for a finite ti ...
... • Organization gets a block of addresses from an ISP (Internet Service Provider) • Individual hosts gets address within organization’s block – Manual: system administrator gives host a fixed IP (needed for externally available servers) – DHCP: protocol to request an available address for a finite ti ...
Networking-1
... Network communications protocols are developed using the Open System Interconnection (OSI) model. An ISO standard for worldwide communications. The OSI model defines a framework for implementing protocols in seven distinct layers. Each layer makes use of the services of the layer below it to provide ...
... Network communications protocols are developed using the Open System Interconnection (OSI) model. An ISO standard for worldwide communications. The OSI model defines a framework for implementing protocols in seven distinct layers. Each layer makes use of the services of the layer below it to provide ...
The Internet and TCP/IP Phones OFF Please Brian Bramer Home: www.cse.dmu.ac.uk/~bb
... • the source port (say 5000) is replaced by an index (say 1025) into a table in the router and the source IP address and port are stored into the table • The packet is then sent to the Internet. • When an incoming packet is received by the NAT: • the destination port (1025) is extracted and used as ...
... • the source port (say 5000) is replaced by an index (say 1025) into a table in the router and the source IP address and port are stored into the table • The packet is then sent to the Internet. • When an incoming packet is received by the NAT: • the destination port (1025) is extracted and used as ...
Packet Switching
... packets move one hop at a time transmit over link wait turn at next link 1: Introduction ...
... packets move one hop at a time transmit over link wait turn at next link 1: Introduction ...
Week_Four_Network_MIMIC_ppt
... it enters a router and switch interface, it’s source, and destination , IP address, source and destination TCP or UDP port numbers, packet and byte counts. The objective is to document the megabytes per second between pairs of autonomous systems, networks, hosts, and applications. Use the Network Tr ...
... it enters a router and switch interface, it’s source, and destination , IP address, source and destination TCP or UDP port numbers, packet and byte counts. The objective is to document the megabytes per second between pairs of autonomous systems, networks, hosts, and applications. Use the Network Tr ...
History_of_internet_1
... severely damages the entire network making communication nearly impossible. In Burans distributed communications model, communications would go from the origin point and then onto one of many different switching nodes rather than a single regional or national node. This would allow for safer communi ...
... severely damages the entire network making communication nearly impossible. In Burans distributed communications model, communications would go from the origin point and then onto one of many different switching nodes rather than a single regional or national node. This would allow for safer communi ...