Experiments - DVS
... Large-scale Distributed Systems Christof Leng, Max Lehn, Robert Rehner, Alejandro Buchmann Workload Generation Configured in the experiment database Sophisticated session model Background churn determined by lifetime distribution [1] Workload events to mark nodes as active or inactive Supp ...
... Large-scale Distributed Systems Christof Leng, Max Lehn, Robert Rehner, Alejandro Buchmann Workload Generation Configured in the experiment database Sophisticated session model Background churn determined by lifetime distribution [1] Workload events to mark nodes as active or inactive Supp ...
TR_BYU_NCL-2003-3
... been the focus of much recent research, but without security at the lower layers, computer networks are left vulnerable to attack. Security features for routing protocols such as the Border Gateway Protocol (BGP) [15] and the Open Shortest Path First (OSPF) protocol [11] have been proposed [12–14, 1 ...
... been the focus of much recent research, but without security at the lower layers, computer networks are left vulnerable to attack. Security features for routing protocols such as the Border Gateway Protocol (BGP) [15] and the Open Shortest Path First (OSPF) protocol [11] have been proposed [12–14, 1 ...
Business Class DSL Routers
... SpeedStream Business Class DSL Routers are the complete DSL solution. Versatile, secure, and scalable — get a SpeedStream Business Class DSL Router and expand your DSL capabilities today! ...
... SpeedStream Business Class DSL Routers are the complete DSL solution. Versatile, secure, and scalable — get a SpeedStream Business Class DSL Router and expand your DSL capabilities today! ...
2005-maltz-job-talk
... A Study of Operational Production Networks How complicated/simple are real control planes? • What is the structure of the distributed system? Use reverse-engineering methodology • There are few or no documents • The ones that exist are out-of-date Anonymized configuration files for 31 active networ ...
... A Study of Operational Production Networks How complicated/simple are real control planes? • What is the structure of the distributed system? Use reverse-engineering methodology • There are few or no documents • The ones that exist are out-of-date Anonymized configuration files for 31 active networ ...
Internet History and Architecture
... The best-effort model means that new adaptive applications must be written to exploit the new infrastructure. Similarly, special features of lower layers cannot be exploited because of the minimal interface. The performance characteristics of the end-toend virtual link can vary wildly. IP soluti ...
... The best-effort model means that new adaptive applications must be written to exploit the new infrastructure. Similarly, special features of lower layers cannot be exploited because of the minimal interface. The performance characteristics of the end-toend virtual link can vary wildly. IP soluti ...
IEEE 802.11 based WLANs
... Works in ISM band, share same frequency with microwave oven, Bluetooth, and others Security Current WEP algorithm is weak - usually not ON! Roaming No industry standard is available and propriety solution are not interoperable - especially with GSM Inter-operability Only few basic functional ...
... Works in ISM band, share same frequency with microwave oven, Bluetooth, and others Security Current WEP algorithm is weak - usually not ON! Roaming No industry standard is available and propriety solution are not interoperable - especially with GSM Inter-operability Only few basic functional ...
Penetration Testing Presentation
... • “the practice of obtaining confidential information by manipulation of legitimate users” (Wikipedia) • Examples: Lord Nikon and Cereal Killah from Hackers (the most realistic hacking movie ever). • Relying on people not reading the EULAs – the ...
... • “the practice of obtaining confidential information by manipulation of legitimate users” (Wikipedia) • Examples: Lord Nikon and Cereal Killah from Hackers (the most realistic hacking movie ever). • Relying on people not reading the EULAs – the ...
ppt - NOISE
... • Reliable Delivery: Guarantee to deliver the frame to the other end of the link without error. • Flow Control: The link layer can provide mechanisms to avoid overflowing the buffer • Error Correction: Determining where errors have occurred and then correcting those errors. ...
... • Reliable Delivery: Guarantee to deliver the frame to the other end of the link without error. • Flow Control: The link layer can provide mechanisms to avoid overflowing the buffer • Error Correction: Determining where errors have occurred and then correcting those errors. ...
Lecture 6
... – Define how bits and bytes of data are organized into larger groups called packets – Define addressing scheme by which different machines can find each other – Internet protocol (IP protocol) is the most widely used network layer protocol in the world. – Other protocols: IPX (NetWare), AppleTalk (M ...
... – Define how bits and bytes of data are organized into larger groups called packets – Define addressing scheme by which different machines can find each other – Internet protocol (IP protocol) is the most widely used network layer protocol in the world. – Other protocols: IPX (NetWare), AppleTalk (M ...
Document
... It is the most widely used networking protocol in the world. IP acts as a bridge between networks of different types ...
... It is the most widely used networking protocol in the world. IP acts as a bridge between networks of different types ...
Chapter6.5
... Ex. Flow A: r = 1 MBps, B = 1 Flow B: r = 1 MBps, B = 1 MB (note could describe A with same TSpec) Note: be explicit, save resources ...
... Ex. Flow A: r = 1 MBps, B = 1 Flow B: r = 1 MBps, B = 1 MB (note could describe A with same TSpec) Note: be explicit, save resources ...
module_50
... concept and is based on the following principle: “Give a source node, n, the shortest path from n to the next closest node, s, either (a) is a path that directly connects n to s or (b) includes a path containing n and any of the previously found intermediate closest nodes plus a direct link from the ...
... concept and is based on the following principle: “Give a source node, n, the shortest path from n to the next closest node, s, either (a) is a path that directly connects n to s or (b) includes a path containing n and any of the previously found intermediate closest nodes plus a direct link from the ...
VLAN und MPLS, Firewall und NAT, Wiederholung
... Firewalls: why prevent denial of service attacks: SYN flooding: attacker establishes many bogus TCP connections, no resources left for “real” connections prevent illegal modification/access of internal data e.g., attacker replaces CIA’s homepage with something else allow only authorized access ...
... Firewalls: why prevent denial of service attacks: SYN flooding: attacker establishes many bogus TCP connections, no resources left for “real” connections prevent illegal modification/access of internal data e.g., attacker replaces CIA’s homepage with something else allow only authorized access ...
A, B - Read
... is expected to send back a reply telling who it is. These names must be globally unique When two or more routers are connected by a LAN, the situation is slightly more complicated ...
... is expected to send back a reply telling who it is. These names must be globally unique When two or more routers are connected by a LAN, the situation is slightly more complicated ...
Presentation
... What is a Protocol? Represent the “rules” for communication: how do the computers initiate communication what features can be negotiated at the start the communication vocabulary - i.e. what requests (commands) can be given and what the valid responses are what kinds of data can be exchan ...
... What is a Protocol? Represent the “rules” for communication: how do the computers initiate communication what features can be negotiated at the start the communication vocabulary - i.e. what requests (commands) can be given and what the valid responses are what kinds of data can be exchan ...
![powerpoint [] slides](http://s1.studyres.com/store/data/008738050_1-f3e04ed407b0a5cf5b72b71262d7d967-300x300.png)
powerpoint [] slides
... to output port memory via a shared bus bus contention: switching speed limited by bus bandwidth 1 Gbps bus, Cisco 1900: sufficient speed for access and enterprise routers (not regional or backbone) Network Layer ...
... to output port memory via a shared bus bus contention: switching speed limited by bus bandwidth 1 Gbps bus, Cisco 1900: sufficient speed for access and enterprise routers (not regional or backbone) Network Layer ...
Frame Relay and MPLS
... ◦ This means that if the frame relay switch becomes congested they will be dropped ◦ If the frames exceed the burst rate they are automatically dropped ...
... ◦ This means that if the frame relay switch becomes congested they will be dropped ◦ If the frames exceed the burst rate they are automatically dropped ...
4Links Flexible SpaceWire Router, FSR
... SpaceWire standard. Each unit provides eight ports, which may be used as a single 8-port router or may be split into several completely independent routers, for example 4+4 or 3+5. The units can be used standalone, with the routing tables held on a plug-in memory card, or they can be connected via G ...
... SpaceWire standard. Each unit provides eight ports, which may be used as a single 8-port router or may be split into several completely independent routers, for example 4+4 or 3+5. The units can be used standalone, with the routing tables held on a plug-in memory card, or they can be connected via G ...
SpeedStream® Residential Gateway Family
... today. In addition to standard 802.11g/b wireless and Ethernet networking, optional USB, HPNA, and Powerline connectivity provides a full suite of connectivity solutions for various broadband environments. *Support for ADSL2, ADSL2+, and RE-ADSL technology means SpeedStream® Residential Gateways pro ...
... today. In addition to standard 802.11g/b wireless and Ethernet networking, optional USB, HPNA, and Powerline connectivity provides a full suite of connectivity solutions for various broadband environments. *Support for ADSL2, ADSL2+, and RE-ADSL technology means SpeedStream® Residential Gateways pro ...
Part I: Introduction
... 1.1 What is the Internet? 1.2 Network edge 1.3 Network core 1.4 Network access and physical media 1.5 Internet structure and ISPs 1.6 Protocol layers, service models 1.7 Delay & loss in packet-switched networks 1.8 History Introduction ...
... 1.1 What is the Internet? 1.2 Network edge 1.3 Network core 1.4 Network access and physical media 1.5 Internet structure and ISPs 1.6 Protocol layers, service models 1.7 Delay & loss in packet-switched networks 1.8 History Introduction ...
notes
... Hubs … physical-layer (“dumb”) repeaters: Bits coming in one link go out all other links at same rate All nodes connected to hub can collide with one another No frame buffering No CSMA/CD at hub: host NICs detect collisions ...
... Hubs … physical-layer (“dumb”) repeaters: Bits coming in one link go out all other links at same rate All nodes connected to hub can collide with one another No frame buffering No CSMA/CD at hub: host NICs detect collisions ...