Slides
... » Terminal mobility: Forwarding traffic to end system in dynamically changing network location » Service mobility: Support for services from foreign networks – To provide information on status of user or terminal (e.g. online/offline) Ludwig-Maximilians-Universität München ...
... » Terminal mobility: Forwarding traffic to end system in dynamically changing network location » Service mobility: Support for services from foreign networks – To provide information on status of user or terminal (e.g. online/offline) Ludwig-Maximilians-Universität München ...
Network Layer
... inefficient use of address space, address space exhaustion e.g., class B net allocated enough addresses for 65K hosts, even if only 2K hosts in that network ...
... inefficient use of address space, address space exhaustion e.g., class B net allocated enough addresses for 65K hosts, even if only 2K hosts in that network ...
EIGRP
... One is two hops, Router Two chooses the path through One and discards the information it learned through Three. If the path between Router One and Network A goes down, Router Two loses all connectivity with this destination until it times out the route of its routing table (three update periods, or ...
... One is two hops, Router Two chooses the path through One and discards the information it learned through Three. If the path between Router One and Network A goes down, Router Two loses all connectivity with this destination until it times out the route of its routing table (three update periods, or ...
Computer Networks I Laboratory Exercise 5
... Feasible Distance (FD) is the lowest calculated metric to reach that destination. FD is the metric listed in the routing table entry as the second number inside the brackets. What is the feasible distance to the network that PC1 is on? __________________________ 2. A feasible successor is a neighbo ...
... Feasible Distance (FD) is the lowest calculated metric to reach that destination. FD is the metric listed in the routing table entry as the second number inside the brackets. What is the feasible distance to the network that PC1 is on? __________________________ 2. A feasible successor is a neighbo ...
Computer network- Chapter 3: Data link layer
... Add a sequence number to each packet's header. Each router maintains a private sequence number. When it sends a new packet, it copies the sequence number into the packet, and ...
... Add a sequence number to each packet's header. Each router maintains a private sequence number. When it sends a new packet, it copies the sequence number into the packet, and ...
Secure Burst Control Packet Scheme for Optical Burst Switching
... In this Section, we investigate security issues in OBS and review some of related works. Table I describes some of potential threats in OBS network such as traffic analysis, eavesdropping, spoofing, burst duplication attack and service disruption via Denial of Service (DoS). From security threats de ...
... In this Section, we investigate security issues in OBS and review some of related works. Table I describes some of potential threats in OBS network such as traffic analysis, eavesdropping, spoofing, burst duplication attack and service disruption via Denial of Service (DoS). From security threats de ...
No Slide Title - Virginia Tech
... – cable television (mostly residence halls) – IP/IPX/AppleTalk network layer and below • Exception: DNS and DHCP ...
... – cable television (mostly residence halls) – IP/IPX/AppleTalk network layer and below • Exception: DNS and DHCP ...
Chapter 4 Network Layer Network Layer Network layer functions
... ❒ no call setup at network layer ❒ routers: no state about end-to-end connections ❍ no network-level concept of “connection” ...
... ❒ no call setup at network layer ❒ routers: no state about end-to-end connections ❍ no network-level concept of “connection” ...
Signature based Intrusion Detection for Wireless Ad
... being decided; this capability should be built into the routing protocol itself instead of depending on the hosts to enforce this. Using some timeouts based mechanism might seem the right approach but this will interfere with delivering packets when mobility is involved. We are currently investigati ...
... being decided; this capability should be built into the routing protocol itself instead of depending on the hosts to enforce this. Using some timeouts based mechanism might seem the right approach but this will interfere with delivering packets when mobility is involved. We are currently investigati ...
An Overview of Embedded Sensor Networks
... Examples of in-network processing are duplicate suppression, data aggregation, and statistical filtering. When data is generated from multiple sensors, in-network processing can merge this data near those sites rather than sending all data out, thus greatly reducing energy consumption. (This approac ...
... Examples of in-network processing are duplicate suppression, data aggregation, and statistical filtering. When data is generated from multiple sensors, in-network processing can merge this data near those sites rather than sending all data out, thus greatly reducing energy consumption. (This approac ...
Document
... selective flooding. In this algorithm the routers do not send every incoming packet out on every line, only on those lines that are going approximately in the right direction. ...
... selective flooding. In this algorithm the routers do not send every incoming packet out on every line, only on those lines that are going approximately in the right direction. ...
LANMAR: Landmark Routing for Large Scale Wireless Ad Hoc
... in high mobility and with increasing number of destinations. Since flooding is used for query dissemination and route maintenance, routing control O/H tends to grow very high [4]. In the case of 100 nodes and 40 sources with uniform traffic pattern, the results in [4] show that both DSR and AODV gen ...
... in high mobility and with increasing number of destinations. Since flooding is used for query dissemination and route maintenance, routing control O/H tends to grow very high [4]. In the case of 100 nodes and 40 sources with uniform traffic pattern, the results in [4] show that both DSR and AODV gen ...
Routing in Packet Switching Networks Contd.
... should have acquired the knowledge needed to identify the tasks or roles required of network administrators, understand current developments and standards for network management, define the principles involved in system and network administration and be able to apply these to practical situations, a ...
... should have acquired the knowledge needed to identify the tasks or roles required of network administrators, understand current developments and standards for network management, define the principles involved in system and network administration and be able to apply these to practical situations, a ...
ISIS Introduction - Workshops
... As in all IP network designs, the key issue is the addressing layout ISIS supports a large number of routers in a single area When network is so large requiring the use of areas, employ summary-addresses >400 routers in the backbone is quite doable … according to Philip Smith :-) ...
... As in all IP network designs, the key issue is the addressing layout ISIS supports a large number of routers in a single area When network is so large requiring the use of areas, employ summary-addresses >400 routers in the backbone is quite doable … according to Philip Smith :-) ...
EX3300 Ethernet Switch
... standard GbE/10GbE optics interfaces (the last two uplink ports are preconfigured by default as Virtual Chassis ports) • Comprehensive Layer 2 functionality with RIP and static routing • Compact, 12-inch deep 1 U form factor to enable flexible deployment options • Easy-to-manage solution with cen ...
... standard GbE/10GbE optics interfaces (the last two uplink ports are preconfigured by default as Virtual Chassis ports) • Comprehensive Layer 2 functionality with RIP and static routing • Compact, 12-inch deep 1 U form factor to enable flexible deployment options • Easy-to-manage solution with cen ...
Research on Routing in Mobile/Wireless Ad
... DNS design attempts to optimize the access cost, and not the update cost. ...
... DNS design attempts to optimize the access cost, and not the update cost. ...
IPv6 Rationale and Features
... the connection. If the connection is to get a Web page from the HTTP server S, then the mapping will remain for the duration of the GET request. Any new connection, even to the same server, creates a new mapping. Also, Table 1.1 shows another connection from N2. From the S perspective, the two conne ...
... the connection. If the connection is to get a Web page from the HTTP server S, then the mapping will remain for the duration of the GET request. Any new connection, even to the same server, creates a new mapping. Also, Table 1.1 shows another connection from N2. From the S perspective, the two conne ...
Evaluating the Overheads of Source-Directed Quality-of-Service Routing
... extensions to the OSPF protocol include an “explicit routing” mechanism for source-directed IP routing [11, 30]. During periods of transient overload, link failure, or general congestion, these schemes are able to find QoS paths for more flows. However, QoS routing protocols can impose a significant ...
... extensions to the OSPF protocol include an “explicit routing” mechanism for source-directed IP routing [11, 30]. During periods of transient overload, link failure, or general congestion, these schemes are able to find QoS paths for more flows. However, QoS routing protocols can impose a significant ...
Slide 1
... These are the timers that show when the next round of updates will be sent out from this router—23 seconds from now, in the example. ...
... These are the timers that show when the next round of updates will be sent out from this router—23 seconds from now, in the example. ...
Military grade wireless ad hoc networks
... authenticity of the IP packet without prior security association with the sender • Just like with notes, each IP packet shall have all necessary information to verify authenticity ...
... authenticity of the IP packet without prior security association with the sender • Just like with notes, each IP packet shall have all necessary information to verify authenticity ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... nodes and then each node independently calculates the next best logical path from it to every possible destination in the network. The collection of best paths will then form the node's routing table [1]. The OSPF protocol is based on the short path first algorithm known as class inter domain routin ...
... nodes and then each node independently calculates the next best logical path from it to every possible destination in the network. The collection of best paths will then form the node's routing table [1]. The OSPF protocol is based on the short path first algorithm known as class inter domain routin ...
Failsafe Software Defined WANs
... service (QoS) and application Quality of Experience (QoE). This is the primary reason why the overwhelming majority of enterprise WANs are based not on IPsec VPNs over the Internet, but instead on private MPLS services from telecom service providers like AT&T, Verizon and BT. That said, IT and WAN b ...
... service (QoS) and application Quality of Experience (QoE). This is the primary reason why the overwhelming majority of enterprise WANs are based not on IPsec VPNs over the Internet, but instead on private MPLS services from telecom service providers like AT&T, Verizon and BT. That said, IT and WAN b ...
Lecture 1: Course Introduction and Overview
... – Printers, File Servers, Web Servers, Compute Servers • Internet – Global scale, general purpose, heterogeneous-technologies, public, computer network – 90-92: NSFNET moves to 45 Mbps, 16 mid-level networks – 94: NSF backbone dismantled, multiple private backbones; Introduction of Commercial Intern ...
... – Printers, File Servers, Web Servers, Compute Servers • Internet – Global scale, general purpose, heterogeneous-technologies, public, computer network – 90-92: NSFNET moves to 45 Mbps, 16 mid-level networks – 94: NSF backbone dismantled, multiple private backbones; Introduction of Commercial Intern ...
Improving Ad Hoc Network Behaviour Using Clustering Technique with NS2 I
... ABSTRACT: A mobile ad hoc network (MANET) is a network in which data are transmitted from the sender to the receiver without the need for any infrastructure. In this network, the connected nodes may be in the form of laptops, mobile phones, personal digital assistant (PDA), and so on, and any node c ...
... ABSTRACT: A mobile ad hoc network (MANET) is a network in which data are transmitted from the sender to the receiver without the need for any infrastructure. In this network, the connected nodes may be in the form of laptops, mobile phones, personal digital assistant (PDA), and so on, and any node c ...