Presentation 10
... • Focus on network to application layer • We will deal with: • Protocol rules and algorithms • Investigate protocol trade-offs • Why this way and not another? ...
... • Focus on network to application layer • We will deal with: • Protocol rules and algorithms • Investigate protocol trade-offs • Why this way and not another? ...
Presentation: the internet layer, IP, the Internet Protocol
... Where does this topic fit? • Internet concepts – Applications – Technology (Communication) – Implications for • Internet skills – Application development – Content creation ...
... Where does this topic fit? • Internet concepts – Applications – Technology (Communication) – Implications for • Internet skills – Application development – Content creation ...
Malwares – Types & Defense
... Just checks for the individual packets Which means most filtering is done based on a strict set of rules Lame example: Drop packets coming from a specific IP address ...
... Just checks for the individual packets Which means most filtering is done based on a strict set of rules Lame example: Drop packets coming from a specific IP address ...
ppt
... Why or why not keep this paper in syllabus? What issues are left open for future research? What are the important implications of the work? What would have done differently? ...
... Why or why not keep this paper in syllabus? What issues are left open for future research? What are the important implications of the work? What would have done differently? ...
Network definitions
... The Internet is a system of worldwide linked networks that facilitate data communication services such as remote login, file transfer, electronic mail, the World Wide Web, and newsgroups. With the large demand for connectivity, the Internet has become a communications highway for millions of users. ...
... The Internet is a system of worldwide linked networks that facilitate data communication services such as remote login, file transfer, electronic mail, the World Wide Web, and newsgroups. With the large demand for connectivity, the Internet has become a communications highway for millions of users. ...
PowerPoint 簡報
... can do anything that the user executing the program has the privileges to do.Include: – deleting files that the user can delete – transmitting to the intruder any files that the user can read – changing any files the user can modify installing viruses – installing other Trojan horses ...
... can do anything that the user executing the program has the privileges to do.Include: – deleting files that the user can delete – transmitting to the intruder any files that the user can read – changing any files the user can modify installing viruses – installing other Trojan horses ...
Internet slides
... • IP addresses are assigned to hosts by their internet service providers • Not physical addresses: IP address does not identify a single node, can swap machines and reuse the same IP address • Not entirely virtual: the IP address determines how packets get to you, and changes when you change your ...
... • IP addresses are assigned to hosts by their internet service providers • Not physical addresses: IP address does not identify a single node, can swap machines and reuse the same IP address • Not entirely virtual: the IP address determines how packets get to you, and changes when you change your ...
Defense Techniques
... – barrier provides access control – helps with system monitoring and simplifies management such a barrier is called firewall ...
... – barrier provides access control – helps with system monitoring and simplifies management such a barrier is called firewall ...
Downlaod File
... the information in the command. Therefore, rlogin sends this data as a TCP stream. When the data arrives at the transport layer, the protocols at the layer start the process of data encapsulation. The transport layer encapsulates the application data into transport protocol data units. The transport ...
... the information in the command. Therefore, rlogin sends this data as a TCP stream. When the data arrives at the transport layer, the protocols at the layer start the process of data encapsulation. The transport layer encapsulates the application data into transport protocol data units. The transport ...
Networking Your Office
... The Internet is a system of worldwide linked networks that facilitate data communication services such as remote login, file transfer, electronic mail, the World Wide Web, and newsgroups. With the large demand for connectivity, the Internet has become a communications highway for millions of users. ...
... The Internet is a system of worldwide linked networks that facilitate data communication services such as remote login, file transfer, electronic mail, the World Wide Web, and newsgroups. With the large demand for connectivity, the Internet has become a communications highway for millions of users. ...
Overview of Communications Technologies
... Digital Subscriber Lines DSL uses packet switching technology that operates independent of the voice telephone system, allowing the telephone companies to provide the service and not ...
... Digital Subscriber Lines DSL uses packet switching technology that operates independent of the voice telephone system, allowing the telephone companies to provide the service and not ...
Chapter 6
... Core router: -Packet forwarded to the next hop according to the per-hop behavior (PHB) associated with that packet’s class -PHB determines buffering and scheduling at the routers - Routers needn’t maintain states for individual flows ...
... Core router: -Packet forwarded to the next hop according to the per-hop behavior (PHB) associated with that packet’s class -PHB determines buffering and scheduling at the routers - Routers needn’t maintain states for individual flows ...
Firewall Configuration
... data, then this can have a effect on your systems performance, as it will now have to observe every packet of data. ...
... data, then this can have a effect on your systems performance, as it will now have to observe every packet of data. ...
1. Assume that for the network represented on the right the routing
... Justify your answer showing all intermediate steps. b) Now imagine that this network represented part of a network of networks (internet), where any node may communicate with any other node. The router A also runs link state protocol at the internet level, having as neighbors (at the internet) the r ...
... Justify your answer showing all intermediate steps. b) Now imagine that this network represented part of a network of networks (internet), where any node may communicate with any other node. The router A also runs link state protocol at the internet level, having as neighbors (at the internet) the r ...
The Internet and the World Wide Web
... “Lightweight” when compared to TCP, doesn’t provide reliability or ordering. Same port facilities, provides error checking. Better for many time-sensitive purposes. Used for games, VoIP, IPTV. ...
... “Lightweight” when compared to TCP, doesn’t provide reliability or ordering. Same port facilities, provides error checking. Better for many time-sensitive purposes. Used for games, VoIP, IPTV. ...
pres
... • Simply, we need a way to tell the AV to scan network data. – Discrete packets (IP level) • ineffective scanner; – Malware spans different packets – Out of order ...
... • Simply, we need a way to tell the AV to scan network data. – Discrete packets (IP level) • ineffective scanner; – Malware spans different packets – Out of order ...
The Network Layer
... packet size of 8 payload bytes plus header. (c) Fragments after passing through a size 5 gateway. ...
... packet size of 8 payload bytes plus header. (c) Fragments after passing through a size 5 gateway. ...
Computer Networks - Career Center Construction Technology
... are also used to categorize different types of networks: • topology : The geometric arrangement of a computer system. Common topologies include a bus, star, and ring. See the Network topology diagrams in the Quick Reference section of Webopedia. • protocol : The protocol defines a common set of rule ...
... are also used to categorize different types of networks: • topology : The geometric arrangement of a computer system. Common topologies include a bus, star, and ring. See the Network topology diagrams in the Quick Reference section of Webopedia. • protocol : The protocol defines a common set of rule ...
Asynchronous Transfer Mode (BISDN), lecture 4
... but its ideas continue to powerfully influence design of nextgeneration Internet Internet technology + ATM philosophy ...
... but its ideas continue to powerfully influence design of nextgeneration Internet Internet technology + ATM philosophy ...
How Client/Server Networks Work
... network must first pass through the firewall. If a particular packet doesn’t meet the set security standards, the firewall blocks that packet. ...
... network must first pass through the firewall. If a particular packet doesn’t meet the set security standards, the firewall blocks that packet. ...
Computer Network
... Set of networks connected by routers that are configured to pass traffic among any computers attached to any network in the set ...
... Set of networks connected by routers that are configured to pass traffic among any computers attached to any network in the set ...
slides - EECS @ UMich - University of Michigan
... • Adding some level of reliability helps performance, not correctness • Don’t try to achieve perfect reliability! • Implementing a functionality at a lower level should have minimum performance impact on the applications that do not use the functionality ...
... • Adding some level of reliability helps performance, not correctness • Don’t try to achieve perfect reliability! • Implementing a functionality at a lower level should have minimum performance impact on the applications that do not use the functionality ...