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Multiprotocol Label Switching The future of IP Backbone Technology
Multiprotocol Label Switching The future of IP Backbone Technology

... Basic attributes of traffic trunk • Traffic parameter attribute - capture the characteristics of the traffic streams • Generic Path selection and maintenance attributes - defines rules for selecting route taken by traffic trunk and rules of maintaining the paths ...
Distance Vector Algorithm Bellman
Distance Vector Algorithm Bellman

... prevent malicious intrusion) multiple same-cost paths allowed (only one path in RIP) For each link, multiple cost metrics for different TOS (e.g., satellite link cost set “low” for best effort; high for real time) integrated uni- and multicast support:  Multicast OSPF (MOSPF) uses same topology dat ...
PPT - Department of Computer Science
PPT - Department of Computer Science

... set of logical connections between end hosts Overlay networks can be unstructured or structured Proximity not necessarily taken into account Overlay maintenance is an issue ...
Network Coding and Reliable Communications Group
Network Coding and Reliable Communications Group

... • Mistakes erasures/fading in wireless as congestion, leading to performance degradation in wireless setting ...
PPT
PPT

... output buffer • Switching rate: rate at which packets can be transferred from inputs to outputs – Often measured as multiple of input/output line rate – N inputs: switching rate N times line rate desirable ...
Title Goes Here - Binus Repository
Title Goes Here - Binus Repository

... • TCP provides for virtual circuits, error detection and correction, automatic repeat requests, and other reliable end-to-end communications, using the IP protocol for transmission (TCP is designed for accurate, not necessarily timely, communications) • TCP handles reassembling packets at the destin ...
Chapter 11
Chapter 11

... • Computer forensics – Work from the image to find what has changed ...
Chap41-TCPIP
Chap41-TCPIP

... – IP addressing – IP headers – CIDR – ICMP • The transport layer – The Transmission Control Protocol – The User Datagram Protocol • Network Address Translation • Version 6 Internet Protocol • Side track : IP routing ...
The OSI Model
The OSI Model

... University ...
Gigabit Smart Managed Switches
Gigabit Smart Managed Switches

... to an assigned VLAN. With higher priority and individual VLAN, these features guarantee the quality and security of VoIP traffic. The DSCP markings on Ethernet packets enable different levels of service to be assigned to network traffic. As a result, these voice and video packets take precedence ove ...
White Paper: Lightweight Protocol for Hardware
White Paper: Lightweight Protocol for Hardware

... (also DLNA), Multicast DNS [RFC Draft 2008] or SLP [IETF 1999] provide zero configuration support, but they are focused on already pre-assembled services. Implementing them for the NetCeiver system might be possible to some extent, but it would not be fully compatible with the desired operation sche ...
15-744: Computer Networking
15-744: Computer Networking

... • Focus on network to application layer • We will deal with: • Protocol rules and algorithms • Investigate protocol trade-offs • Why this way and not another? ...
Chapter 1. Introduction to Data Communications
Chapter 1. Introduction to Data Communications

... Physical Layer • Organizes physical layer bit streams into coherent messages for the network layer • Major functions of a data link layer protocol – Media Access Control • Controlling when computers transmit – Error Control • Detecting and correcting transmission errors – Message Delineation • Ident ...
Christopher Wilder - P2P Over MANET
Christopher Wilder - P2P Over MANET

... Data sent from A can be received by B and data sent from B are reachable by C, but it is not certain that data sent from A can be received by C ...
An introduction to IP header compression
An introduction to IP header compression

... maximum benefit for applications such as VoIP supporting a large number of users. As shown in the diagram above, the long distance telecom operators are moving from traditional connectivity between PSTN networks to the Internet. The gateway connecting public switch and Internet converts circuit swit ...
02_TCPIP
02_TCPIP

... The internet maintains 13 “root DNS servers”. These server Ips are hard-coded into a local DNS server’s config file In reality it is a lot more than 13 servers; each are really clusters that are geographically distributed These root servers use the data entered during the domain registration process ...
Network Application Programming Interface (API)
Network Application Programming Interface (API)

... Datagram sockets also use IP for routing, but they don’t use TCP; they use the "User Datagram Protocol", or "UDP" (see RFC-7687.) Why are they connectionless? Well, basically, it’s because you don’t have to maintain an open connection as you do with stream sockets. You just build a packet, slap an I ...
Presentation Slides
Presentation Slides

... Average Packet Latency (Relative to DOR) ...
SNMP Monitoring: One Critical Component to Network Management
SNMP Monitoring: One Critical Component to Network Management

... required to completely resolve many network issues. For example, while SNMP may show high utilization on the router’s Internet interface, it may not show what kinds of traffic are using up the bandwidth or who is responsible for the traffic. This leaves the administrator knowing what the problem is ...
Re-ECN - Bob Briscoe
Re-ECN - Bob Briscoe

... • generic accountability hook per datagram • requires one bit in IP header • can separate out feedback not est’d flag (≡ state set-up) ...
A Routing Protocol for k
A Routing Protocol for k

...  Slightly higher end-to-end packet latencies Interesting optimization: skip the local RREQ step and latency improves dramatically  Tradeoff: Average path length tends to be slightly longer, especially as k increases ...
INTRUSION DETECTION SYSTEM (IDS)
INTRUSION DETECTION SYSTEM (IDS)

... • Conduct open source investigation to extract information about a target such as domain name server (DNS), internet protocol (IP) and staff information ...
Point-to-point - University of Sydney
Point-to-point - University of Sydney

... • packet switches used by computers, send data in discrete packets, each packet has addresses • no connect/disconnect • each packet is instantaneously routed (output i/f is determined) acc. to table lookup of dest address – f(pkt dst, routing table) -> output port – routing table may change from pkt ...
CS335 Networking & Network Administration
CS335 Networking & Network Administration

... (approximately 55 milliseconds or 1/18 second) Cost – an arbitrary value, usually based on bandwidth, monetary expense, or other measurement, that is assigned by a network administrator ...
Internet Indirection Infrastructure Ion Stoica Daniel Adkins Shelley Zhuang
Internet Indirection Infrastructure Ion Stoica Daniel Adkins Shelley Zhuang

... achieve them. These abstractions have proven difficult to implement scalably at the IP layer [4, 13, 27]. Moreover, deploying additional functionality at the IP layer requires a level of communitywide consensus and commitment that is hard to achieve. In short, implementing these more general abstrac ...
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Deep packet inspection

Deep Packet Inspection (DPI, also called complete packet inspection and Information eXtraction or IX) is a form of computer network packet filtering that examines the data part (and possibly also the header) of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, spam, intrusions, or defined criteria to decide whether the packet may pass or if it needs to be routed to a different destination, or, for the purpose of collecting statistical information. There are multiple headers for IP packets; network equipment only needs to use the first of these (the IP header) for normal operation, but use of the second header (TCP, UDP etc.) is normally considered to be shallow packet inspection (usually called Stateful Packet Inspection) despite this definition.There are multiple ways to acquire packets for deep packet inspection. Using port mirroring (sometimes called Span Port) is a very common way, as well as an optical splitter.Deep Packet Inspection (and filtering) enables advanced network management, user service, and security functions as well as internet data mining, eavesdropping, and internet censorship. Although DPI technology has been used for Internet management for many years, some advocates of net neutrality fear that the technology may be used anticompetitively or to reduce the openness of the Internet.DPI is used in a wide range of applications, at the so-called ""enterprise"" level (corporations and larger institutions), in telecommunications service providers, and in governments.
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