Part I: Introduction - Central South University
... r Excessive congestion: packet delay and loss m protocols needed for reliable data transfer, congestion control r Q: How to provide circuit-like behavior? m bandwidth guarantees needed for audio/video apps m still an unsolved problem (chapter 6) r ...
... r Excessive congestion: packet delay and loss m protocols needed for reliable data transfer, congestion control r Q: How to provide circuit-like behavior? m bandwidth guarantees needed for audio/video apps m still an unsolved problem (chapter 6) r ...
15-overlay
... Active Networks • Nodes (routers) receive packets: • Perform computation based on their internal state and control information carried in packet • Forward zero or more packets to end points depending on result of the computation ...
... Active Networks • Nodes (routers) receive packets: • Perform computation based on their internal state and control information carried in packet • Forward zero or more packets to end points depending on result of the computation ...
Part 1 R1 What is the difference between a host and an end system
... each chunk, it adds header generating multiple packets from the file. The header in each packet includes the address of the destination: end system B. The packet switch uses the destination address to determine the outgoing link. Asking which road to take is analogous to a packet asking which outgoi ...
... each chunk, it adds header generating multiple packets from the file. The header in each packet includes the address of the destination: end system B. The packet switch uses the destination address to determine the outgoing link. Asking which road to take is analogous to a packet asking which outgoi ...
The fundamentals of TCP/IP networking
... Network Layer: Internet Protocol (IP) The Internet Protocol is used for communication between hosts on a wide variety of networks. All hosts using the Internet Protocol have a 32-bit address, which is usually written as four decimal numbers in the so called “dotted decimal” notation: 192.168.2.1 or ...
... Network Layer: Internet Protocol (IP) The Internet Protocol is used for communication between hosts on a wide variety of networks. All hosts using the Internet Protocol have a 32-bit address, which is usually written as four decimal numbers in the so called “dotted decimal” notation: 192.168.2.1 or ...
2001 Midterm Solutions
... level. A and E understand IPv4 and Ipv6. But B, C, and D are legacy IPv4 routers. A wants to route a pack to E. On potential difficulty with the tunneling solution to the problem is that the host has to figure out that an IPv6 packet is encapsulated within the IPv4 packet. Give a reasonable solution ...
... level. A and E understand IPv4 and Ipv6. But B, C, and D are legacy IPv4 routers. A wants to route a pack to E. On potential difficulty with the tunneling solution to the problem is that the host has to figure out that an IPv6 packet is encapsulated within the IPv4 packet. Give a reasonable solution ...
Routing Protocols
... “smart” end systems need for guaranteed (computers) service can adapt, perform “dumb” end systems control, error recovery telephones simple inside network, complexity inside complexity at “edge” network many link types different characteristics uniform service difficult ...
... “smart” end systems need for guaranteed (computers) service can adapt, perform “dumb” end systems control, error recovery telephones simple inside network, complexity inside complexity at “edge” network many link types different characteristics uniform service difficult ...
Network Management Concepts and Practice
... same media access control specification and it controls what traffic is passed between segments. uses bridge table to learn which devices are on which segments. Translating bridges connects networks using different MAC layer specifications. ...
... same media access control specification and it controls what traffic is passed between segments. uses bridge table to learn which devices are on which segments. Translating bridges connects networks using different MAC layer specifications. ...
LSP and lSP Setup in GMPLS Networks
... borrow capacity from the corresponding λSP, LPhk . Since the present day λSPs are normally allocated capacities in the order of OC-192c (10Gbps), in most cases there will be enough available capacity and the bandwidth requests can be satisfied by this part of the method. However, since Internet traf ...
... borrow capacity from the corresponding λSP, LPhk . Since the present day λSPs are normally allocated capacities in the order of OC-192c (10Gbps), in most cases there will be enough available capacity and the bandwidth requests can be satisfied by this part of the method. However, since Internet traf ...
1 In addition to assigning addresses from predefined pools, which
... emerging standards. It is not a popular choice for enterprise computer departments to support home workers. Generally, a subscriber cannot choose to connect to the enterprise network directly, but must first connect to an Internet service provider (ISP). From here, an IP connection is made through t ...
... emerging standards. It is not a popular choice for enterprise computer departments to support home workers. Generally, a subscriber cannot choose to connect to the enterprise network directly, but must first connect to an Internet service provider (ISP). From here, an IP connection is made through t ...
View File - UET Taxila
... Simpler, cheaper than token LANs and ATM Kept up with speed race: 10, 100, 1000 Mbps ...
... Simpler, cheaper than token LANs and ATM Kept up with speed race: 10, 100, 1000 Mbps ...
Distributed Denial of Service Attacks
... Attacker sends many packets Route from attacker to victim remains relatively ...
... Attacker sends many packets Route from attacker to victim remains relatively ...
ppt - Applied Crypto Group at Stanford University
... Attacker sends many packets Route from attacker to victim remains relatively ...
... Attacker sends many packets Route from attacker to victim remains relatively ...
Leading edge technologies in the HEAnet network - Redbrick
... If the router cannot connect to the main webserver it will redirect queries to standby Continues to initiate connections to main webserver and reverts back to it when the webserver recovers In HEAnet CDD is simply set-up to telnet to webserver on port 80. If it receives a response it considers the w ...
... If the router cannot connect to the main webserver it will redirect queries to standby Continues to initiate connections to main webserver and reverts back to it when the webserver recovers In HEAnet CDD is simply set-up to telnet to webserver on port 80. If it receives a response it considers the w ...
Introduction to Routing and Packet Forwarding
... Has a layer 2 MAC address Can be assigned a Layer 3 IP address Usually consist of an RJ-45 jack WAN Interfaces Are used to connect routers to external networks that interconnect LANs. Depending on the WAN technology, a layer 2 address may be used. Uses a layer 3 IP address ITE PC v4.0 Chapte ...
... Has a layer 2 MAC address Can be assigned a Layer 3 IP address Usually consist of an RJ-45 jack WAN Interfaces Are used to connect routers to external networks that interconnect LANs. Depending on the WAN technology, a layer 2 address may be used. Uses a layer 3 IP address ITE PC v4.0 Chapte ...
B43011014
... In the past few years, we have seen a rapid expansion in the field of mobile computing due to the pro- liferation of inexpensive, widely available wireless devices or networks.However, all these networks are conventional wireless networks as they require a fixed network infrastructure with centralis ...
... In the past few years, we have seen a rapid expansion in the field of mobile computing due to the pro- liferation of inexpensive, widely available wireless devices or networks.However, all these networks are conventional wireless networks as they require a fixed network infrastructure with centralis ...
COEN 351
... almost (but not quite) as safe as a node disconnected from the net. Internal routers should not advertise paths to such nodes to the outside. Filter routes learned from the outside: ...
... almost (but not quite) as safe as a node disconnected from the net. Internal routers should not advertise paths to such nodes to the outside. Filter routes learned from the outside: ...
lecture1424803314
... interface). Using fiber-optics to end users is called Fiber To The Home or similar names. For customers with more demanding requirements(such as medium-to-large businesses, or other ISPs) can use higher-speed DSL (such as single-pair high-speed digital subscriber line ), Ethernet, metropolitan Ether ...
... interface). Using fiber-optics to end users is called Fiber To The Home or similar names. For customers with more demanding requirements(such as medium-to-large businesses, or other ISPs) can use higher-speed DSL (such as single-pair high-speed digital subscriber line ), Ethernet, metropolitan Ether ...
Chapter 15 - William Stallings, Data and Computer
... incorporates logic to function as multiport bridge differences between switches & bridges: ...
... incorporates logic to function as multiport bridge differences between switches & bridges: ...
ppt
... packet are transmitted. 4. The propagation delay [PROP] between the time the last bit is transmitted at the head node of the link and the time the last bit is received at the tail node. This is proportional to the physical distance between transmitter and receiver. Networks: Introduction ...
... packet are transmitted. 4. The propagation delay [PROP] between the time the last bit is transmitted at the head node of the link and the time the last bit is received at the tail node. This is proportional to the physical distance between transmitter and receiver. Networks: Introduction ...
EECC694 - Shaaban
... • Bootstrap protocol BOOTP: Uses UDP packets which can be forwarded to routers No need for a BOOTP server on each LAN. EECC694 - Shaaban #17 lec #9 Spring2000 4-4-2000 ...
... • Bootstrap protocol BOOTP: Uses UDP packets which can be forwarded to routers No need for a BOOTP server on each LAN. EECC694 - Shaaban #17 lec #9 Spring2000 4-4-2000 ...
Bridges
... incorporates logic to function as multiport bridge differences between switches & bridges: ...
... incorporates logic to function as multiport bridge differences between switches & bridges: ...
Data Modeling - Computer Science at Hiram College
... • ARP module keeps a table of MAC and IP addresses of hosts on the LAN • To find a new mapping – ARP broadcasts ARP packet (sending IP and LAN addresses, receiving IP address) – Host with matching address responds with its own ARP packet (its own IP and LAN addresses as sender) – ARP module receives ...
... • ARP module keeps a table of MAC and IP addresses of hosts on the LAN • To find a new mapping – ARP broadcasts ARP packet (sending IP and LAN addresses, receiving IP address) – Host with matching address responds with its own ARP packet (its own IP and LAN addresses as sender) – ARP module receives ...
farran
... multiplexing) and passing cells through the ATM network (cell relay). To do this, it uses the VPI and VCI information in the header of each ATM cell. ATM adaptation layer (AAL)—Combined with the ATM layer, the AAL is roughly analogous to the data link layer of the OSI model. The AAL is responsible f ...
... multiplexing) and passing cells through the ATM network (cell relay). To do this, it uses the VPI and VCI information in the header of each ATM cell. ATM adaptation layer (AAL)—Combined with the ATM layer, the AAL is roughly analogous to the data link layer of the OSI model. The AAL is responsible f ...