Network layer
... The assumption so far is that a network is homogeneous: there is hardly any variation in hardware and software. In practice, large networks can only be constructed by interconnecting different kinds of networks ...
... The assumption so far is that a network is homogeneous: there is hardly any variation in hardware and software. In practice, large networks can only be constructed by interconnecting different kinds of networks ...
lecture11
... NAT violates the architectural model of IP, which states that every IP address uniquely identifies a single machine worldwide NAT box must maintain mapping info for each connection passing through it. This changes the Internet from a connectionless network to a kind of connection-oriented network NA ...
... NAT violates the architectural model of IP, which states that every IP address uniquely identifies a single machine worldwide NAT box must maintain mapping info for each connection passing through it. This changes the Internet from a connectionless network to a kind of connection-oriented network NA ...
Week_Four_Network_ppt
... 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 Traff ...
... 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 Traff ...
Lecture 1 Introduction
... Taxonomy of Switched Communication Networks Switched Communication Network ...
... Taxonomy of Switched Communication Networks Switched Communication Network ...
How Networking Works
... is provided with a copy of the TCP/IP program just as every other computer that you may send messages to or get information from also has a copy of TCP/IP. TCP/IP is a two-layer program. The higher layer, Transmission Control Protocol, manages the assembling of a message or file into smaller packets ...
... is provided with a copy of the TCP/IP program just as every other computer that you may send messages to or get information from also has a copy of TCP/IP. TCP/IP is a two-layer program. The higher layer, Transmission Control Protocol, manages the assembling of a message or file into smaller packets ...
Ad hoc on-demand Distance Vector Routing Protocol Based on Load Balance
... the node uses that path, otherwise, it sends RREQ to its neighbor nodes. When a node (either destination or intermediate) receives RREQ, it ensures that the received RREQ is not a duplicate RREQ, in order to prevent looping paths. If the neighbor node is the destination, it sends RREP. Otherwise, it ...
... the node uses that path, otherwise, it sends RREQ to its neighbor nodes. When a node (either destination or intermediate) receives RREQ, it ensures that the received RREQ is not a duplicate RREQ, in order to prevent looping paths. If the neighbor node is the destination, it sends RREP. Otherwise, it ...
Wireless Networks (continued)
... multimode or single mode fiber to transmit data at speeds of 100 Mbps FDDI is more reliable and more secure than transmission methods that depend on copper wiring FDDI works well with Ethernet 100BaseTX technology FDDI technology has a high cost relative to Fast Ethernet ...
... multimode or single mode fiber to transmit data at speeds of 100 Mbps FDDI is more reliable and more secure than transmission methods that depend on copper wiring FDDI works well with Ethernet 100BaseTX technology FDDI technology has a high cost relative to Fast Ethernet ...
Courtesy Course Technology/Cengage Learning
... Repeaters and Hubs • Repeaters – Operate in Physical OSI model layer – No means to interpret data – Regenerate signal ...
... Repeaters and Hubs • Repeaters – Operate in Physical OSI model layer – No means to interpret data – Regenerate signal ...
Presentation (ppt)
... Clients subscribe to all rendezvous nodes Clients advertise to all rendezvous nodes Rendezvous nodes exchange subscriptions Rendezvous nodes exchange advertisements ...
... Clients subscribe to all rendezvous nodes Clients advertise to all rendezvous nodes Rendezvous nodes exchange subscriptions Rendezvous nodes exchange advertisements ...
Lesson 7
... A Fortune 100 company’s air conditioner and environmental control units could be easily changed by modem allowing lights to be turned off or heating/air conditioning to be changed. Only 3 of every 1000 modem lines he checked posted a warning banner (a requirement for gov. machines). Some of the welc ...
... A Fortune 100 company’s air conditioner and environmental control units could be easily changed by modem allowing lights to be turned off or heating/air conditioning to be changed. Only 3 of every 1000 modem lines he checked posted a warning banner (a requirement for gov. machines). Some of the welc ...
Document
... Identify Streaming Media traffic on a Flow by Flow Basis, using Port, DPI and Flow information. Implement a Control Model to update and manage new signatures for both DPI and Flows Analyze the accuracy of these methods on a real world network that heavily uses streaming media applications ...
... Identify Streaming Media traffic on a Flow by Flow Basis, using Port, DPI and Flow information. Implement a Control Model to update and manage new signatures for both DPI and Flows Analyze the accuracy of these methods on a real world network that heavily uses streaming media applications ...
Wireless Network Security
... Cisco Unified Wireless Network The following five interconnected elements work together to deliver a unified enterprise-class wireless solution: ...
... Cisco Unified Wireless Network The following five interconnected elements work together to deliver a unified enterprise-class wireless solution: ...
Designing and Building for End-to-End Solutions
... – The address format is extended from 32 bits to 128 bits This is enough to provide a billion IP addresses for every star in the universe (~ 1029) – http://www.space.com/26078-how-‐many-‐stars-‐are-‐there.html – It also allows for hierarchical structuring of the address space in favor of optimized ...
... – The address format is extended from 32 bits to 128 bits This is enough to provide a billion IP addresses for every star in the universe (~ 1029) – http://www.space.com/26078-how-‐many-‐stars-‐are-‐there.html – It also allows for hierarchical structuring of the address space in favor of optimized ...
Digital World Assignment - Temple University Sites
... to the network. Although the Internet was widely used by academia since the 1980s, this rapid commercialization incorporated new services and technologies into virtually every aspect of modern life. The protocol for computers to communicate with each other on the Internet is know as: Transmission Co ...
... to the network. Although the Internet was widely used by academia since the 1980s, this rapid commercialization incorporated new services and technologies into virtually every aspect of modern life. The protocol for computers to communicate with each other on the Internet is know as: Transmission Co ...
OverlayNetworks
... • Client contacts Napster (via TCP) – Provides a list of music files it will share – … and Napster’s central server updates the directory ...
... • Client contacts Napster (via TCP) – Provides a list of music files it will share – … and Napster’s central server updates the directory ...
Internetworking
... many heterogeneous systems). – Problem magnified since packet may need to traverse several different networks (and network technologies), each with their own addressing schemes, service models, media access protocols, etc. ...
... many heterogeneous systems). – Problem magnified since packet may need to traverse several different networks (and network technologies), each with their own addressing schemes, service models, media access protocols, etc. ...
Home Networking
... Manually assigned by the user of the host May not be consistent with network May already be used by another host DHCP (Dynamic Host Configuration Protocol) Another host assigns IP addresses to every host on a network Ensures every host gets a unique IP address ...
... Manually assigned by the user of the host May not be consistent with network May already be used by another host DHCP (Dynamic Host Configuration Protocol) Another host assigns IP addresses to every host on a network Ensures every host gets a unique IP address ...
chapter1
... If found and Flag is G or H then Gateway is next hop; otherwise Destination IP is next hop. If not found then calculate Dest IP && Genmask for each entry that is not the default. If Dest IP && Genmask == Destination column entry then if Flag is G or H then Gateway is next hop; otherwise Destination ...
... If found and Flag is G or H then Gateway is next hop; otherwise Destination IP is next hop. If not found then calculate Dest IP && Genmask for each entry that is not the default. If Dest IP && Genmask == Destination column entry then if Flag is G or H then Gateway is next hop; otherwise Destination ...
Wide Area Networks
... US backbone capacity up 8000% in 5 years! Level 3, Williams, Frontier, Qwest, GTE, IXC, Sprint, MCI, AT&T,… ...
... US backbone capacity up 8000% in 5 years! Level 3, Williams, Frontier, Qwest, GTE, IXC, Sprint, MCI, AT&T,… ...
Lecture01
... Relative importance of bandwidth and “distance” for a small message (e.g. 1 byte), distance (1 ms vs. 100 ms propagation time) is more important than bandwidth (1 Mbps vs. 100 Mbps) for a large message (e.g., 25 Mbyte), bandwidth is more important than distance ...
... Relative importance of bandwidth and “distance” for a small message (e.g. 1 byte), distance (1 ms vs. 100 ms propagation time) is more important than bandwidth (1 Mbps vs. 100 Mbps) for a large message (e.g., 25 Mbyte), bandwidth is more important than distance ...
1404CT Lec4
... Show ip route command is used to display the contents of the routing table Link local Interfaces –Added to the routing table when an interface is configured. (displayed in IOS 15 or newer) Directly connected interfaces -Added to the routing table when an interface is configured and active. S ...
... Show ip route command is used to display the contents of the routing table Link local Interfaces –Added to the routing table when an interface is configured. (displayed in IOS 15 or newer) Directly connected interfaces -Added to the routing table when an interface is configured and active. S ...