MBone - UMBC
... MBone—a little bit history Stands for Multicast Backbone In 1992, some bright fellows on the Internet Engineering Task Force (IETF) decided that no one would do in hardware, they could do in software. Many scientific conferences, scientific events, concerts were broadcast over MBone since then. In ...
... MBone—a little bit history Stands for Multicast Backbone In 1992, some bright fellows on the Internet Engineering Task Force (IETF) decided that no one would do in hardware, they could do in software. Many scientific conferences, scientific events, concerts were broadcast over MBone since then. In ...
Internet Control Message Protocol (ICMP) Chapter 7
... error information between host and router • ICMP helps to keep the network running when a router goes off line • All messages are carried as IP datagrams • Dynamic routers use ICMP messages to announce the contents of their routing tables • Hosts listen for these messages to acquire routing informat ...
... error information between host and router • ICMP helps to keep the network running when a router goes off line • All messages are carried as IP datagrams • Dynamic routers use ICMP messages to announce the contents of their routing tables • Hosts listen for these messages to acquire routing informat ...
Presentation Title Here 24/28pt - Alcatel
... Characteristics of the new application (bandwidth, protocols, …) Existing application quality of service model and existing bandwidth ...
... Characteristics of the new application (bandwidth, protocols, …) Existing application quality of service model and existing bandwidth ...
Internet Routing Availability
... – Set link weights high so that no traffic goes through a particular node ...
... – Set link weights high so that no traffic goes through a particular node ...
ppt 0.6MB - Star Tap
... • Thus instead of overloading any link, the network can be used to the maximum capacity • If the “best” path changes, but a flow is on a functional path, it need not be move •This avoids gaps in Voice and Video Copyright Anagran 2005 ...
... • Thus instead of overloading any link, the network can be used to the maximum capacity • If the “best” path changes, but a flow is on a functional path, it need not be move •This avoids gaps in Voice and Video Copyright Anagran 2005 ...
Overview
... Two key network-core functions routing: determines sourcedestination route taken by packets routing algorithms ...
... Two key network-core functions routing: determines sourcedestination route taken by packets routing algorithms ...
Chapter 4 slides
... Internet inter-AS routing: BGP Suppose: gateway X send its path to peer gateway W W may or may not select path offered by X ...
... Internet inter-AS routing: BGP Suppose: gateway X send its path to peer gateway W W may or may not select path offered by X ...
Internet Routing Protocols
... RIP Table processing RIP routing tables managed by application-level ...
... RIP Table processing RIP routing tables managed by application-level ...
Optimizing Peering with Routing-Aware Traffic Analysis
... – Full routing event history/forensic audit trail – Flapping links, prefixes – Ability to look at state of routing at any point in recorded history ...
... – Full routing event history/forensic audit trail – Flapping links, prefixes – Ability to look at state of routing at any point in recorded history ...
Labeled Optical Burst Switching and IP/WDM Integration
... • long circuit set-up (a 2-way process with Req and Ack): RTT = tens of ms • pros: good for smooth traffic and QoS guarantee due to fixed BW reservation; • cons: BW inefficient for bursty (data) traffic – either wasted BW during off/low-traffic periods – or too much overhead (e.g., delay) due to fre ...
... • long circuit set-up (a 2-way process with Req and Ack): RTT = tens of ms • pros: good for smooth traffic and QoS guarantee due to fixed BW reservation; • cons: BW inefficient for bursty (data) traffic – either wasted BW during off/low-traffic periods – or too much overhead (e.g., delay) due to fre ...
Computer Networks (CSC 345)
... – Accepts an outgoing message from the layer above – Adds a header and other processing – Passes resulting message to next lower layer ...
... – Accepts an outgoing message from the layer above – Adds a header and other processing – Passes resulting message to next lower layer ...
Network Virtualisation for Packet Optical Networks
... Substantial new revenue streams from multiple client networks Not all client networks are packet networks – Maybe “packet optical” is the wrong name! – Introducing Integrated Optical Networks ...
... Substantial new revenue streams from multiple client networks Not all client networks are packet networks – Maybe “packet optical” is the wrong name! – Introducing Integrated Optical Networks ...
Internet Routing Technology Primer & On the edge in 2 hrs
... – Predictable and consistent transit time. ...
... – Predictable and consistent transit time. ...
Module 4 Part a - Pohang University of Science and Technology
... ICMP: Internet Control Message Protocol Internet Control Message Protocol (ICMP), RFC792 The purpose of ICMP messages is to provide feedback about problems in the IP network environment Delivered in IP packets ...
... ICMP: Internet Control Message Protocol Internet Control Message Protocol (ICMP), RFC792 The purpose of ICMP messages is to provide feedback about problems in the IP network environment Delivered in IP packets ...
Switching and Routing
... forward the message before the whole packet arrives. – Pipeline in the unit of flits. – Application: most high-end switches (InfiniBand, Myrinet, also used in all MPP machines). ...
... forward the message before the whole packet arrives. – Pipeline in the unit of flits. – Application: most high-end switches (InfiniBand, Myrinet, also used in all MPP machines). ...
Lecture 9 - USC`s Center for Computer Systems Security
... successful connections from one agent machine + Low overhead on server – Requires client modification – Will not work against highly distributed attacks – Will not work against bandwidth consumption attacks (Defense By Offense paper changes this) ...
... successful connections from one agent machine + Low overhead on server – Requires client modification – Will not work against highly distributed attacks – Will not work against bandwidth consumption attacks (Defense By Offense paper changes this) ...
Overlay/Underlay Interaction
... – Conventional computers act as logical routers – Real routers deliver packets to intermediate hosts – No need for cooperation from the real routers ...
... – Conventional computers act as logical routers – Real routers deliver packets to intermediate hosts – No need for cooperation from the real routers ...
ppt
... • Common case: very few 1’s in bit vector aggregate bits • OR together A bits at a time N/A bit-long vector • A typically chosen to match word-size ...
... • Common case: very few 1’s in bit vector aggregate bits • OR together A bits at a time N/A bit-long vector • A typically chosen to match word-size ...
Devices & Internet - The Computer Engineers` Blog
... Maximum number of routers an IP packet will cross is 16 Routing information constantly changes ...
... Maximum number of routers an IP packet will cross is 16 Routing information constantly changes ...
Slide 1
... Routing in IP network is much more complex than the routing in telephone network, which is a purely prefix decided scheme ...
... Routing in IP network is much more complex than the routing in telephone network, which is a purely prefix decided scheme ...
No Slide Title
... differently than a bridge Routers separate networks into regions. Each region is assigned a unique network number These network numbers are unique for each network they are assigned to Packet forwarding is based on these network Ids Routers route packets based on a protocol as well as a ne ...
... differently than a bridge Routers separate networks into regions. Each region is assigned a unique network number These network numbers are unique for each network they are assigned to Packet forwarding is based on these network Ids Routers route packets based on a protocol as well as a ne ...
Chapter 8 Internet Protocols
... —Flexible and robust • e.g. in case of congestion or node failure, packets find their way easier than connection-oriented services ...
... —Flexible and robust • e.g. in case of congestion or node failure, packets find their way easier than connection-oriented services ...