CCNA1 Complete Lecture Set Mod 1 to 11
... A bus topology uses a single backbone cable that is terminated at both ends. All the hosts connect directly to this backbone. A ring topology connects one host to the next and the last host to the first. This creates a physical ring of cable. A star topology connects all cables to a central point. A ...
... A bus topology uses a single backbone cable that is terminated at both ends. All the hosts connect directly to this backbone. A ring topology connects one host to the next and the last host to the first. This creates a physical ring of cable. A star topology connects all cables to a central point. A ...
C. Wireless Communications Security
... in the electric power industry communicate over copper wire, fiber, radio frequency (RF), or Ethernet. When older legacy communications protocols were established, little to no emphasis was placed on security. Due to their simplicity, these legacy protocols are still widely used. Without proper safe ...
... in the electric power industry communicate over copper wire, fiber, radio frequency (RF), or Ethernet. When older legacy communications protocols were established, little to no emphasis was placed on security. Due to their simplicity, these legacy protocols are still widely used. Without proper safe ...
hierarchical routing
... •ABR C announces to Area 1 that it can reach Area 2 in 1 hops (and includes a list of destinations in Area 2) •ABR F announces to Area 1 that it can reach Area 2 in 0 hops •Router A determines the path to D as follows •The path to Area 2 via F is 2 hops (2 to reach F and then 0 more to Area 2) •The ...
... •ABR C announces to Area 1 that it can reach Area 2 in 1 hops (and includes a list of destinations in Area 2) •ABR F announces to Area 1 that it can reach Area 2 in 0 hops •Router A determines the path to D as follows •The path to Area 2 via F is 2 hops (2 to reach F and then 0 more to Area 2) •The ...
OSPF
... The router can be assigned a priority between 0 and 255, with 0 preventing this router from becoming the DR (or BDR) and 255 ensuring at least a tie. (The highest Router ID would break the tie.) •Rick Graziani [email protected] ...
... The router can be assigned a priority between 0 and 255, with 0 preventing this router from becoming the DR (or BDR) and 255 ensuring at least a tie. (The highest Router ID would break the tie.) •Rick Graziani [email protected] ...
PowerPoint Sunusu
... using forwarding table in input port memory (“match plus action”) • goal: complete input port processing at ‘line speed’ • queuing: if datagrams arrive faster than forwarding rate into switch fabric Network Layer ...
... using forwarding table in input port memory (“match plus action”) • goal: complete input port processing at ‘line speed’ • queuing: if datagrams arrive faster than forwarding rate into switch fabric Network Layer ...
Part 1
... using forwarding table in input port memory (“match plus action”) goal: complete input port processing at ‘line speed’ queuing: if datagrams arrive faster than forwarding rate into switch fabric Network Layer 4-23 ...
... using forwarding table in input port memory (“match plus action”) goal: complete input port processing at ‘line speed’ queuing: if datagrams arrive faster than forwarding rate into switch fabric Network Layer 4-23 ...
- Lancaster University
... number of packets (101620). Further, the size of TCP packets is generally small. On the other hand, UDP datagrams clearly seem to be one of two types. One type is datagrams that are bigger than 600 bytes, most being 1145 bytes long. The other type is datagrams of 100 to 200 bytes. The former type co ...
... number of packets (101620). Further, the size of TCP packets is generally small. On the other hand, UDP datagrams clearly seem to be one of two types. One type is datagrams that are bigger than 600 bytes, most being 1145 bytes long. The other type is datagrams of 100 to 200 bytes. The former type co ...
document
... Header Checksum Calculated over IP header 16-bit one’s complement When change TTL, checksum updated Source and destination IP addresses Options: variable length Security options Record route/timestamp (alternative to traceroute) Loose (strict? )source routing - source can say path ...
... Header Checksum Calculated over IP header 16-bit one’s complement When change TTL, checksum updated Source and destination IP addresses Options: variable length Security options Record route/timestamp (alternative to traceroute) Loose (strict? )source routing - source can say path ...
Multimedia networking
... increase n, longer playout delay increase n, higher probability that 2 or more chunks will be lost ...
... increase n, longer playout delay increase n, higher probability that 2 or more chunks will be lost ...
The phenomenon of blurring time dependencies may be used to find
... The meaning of the parameters is the following: T1 is the nominal value of delay between consecutive packets sent from the source. T2 is a value by which packets used for steganographic transmission are delayed. Both parameters referred to above have been selected according to the values in [3]. The ...
... The meaning of the parameters is the following: T1 is the nominal value of delay between consecutive packets sent from the source. T2 is a value by which packets used for steganographic transmission are delayed. Both parameters referred to above have been selected according to the values in [3]. The ...
Routing
... When a router is initialized, it determines the link cost on each of its network interfaces The router then advertises this set of link costs to all other routers in the internet topology, not just neighboring routers From then on, the router monitors its link costs Whenever there is a significant c ...
... When a router is initialized, it determines the link cost on each of its network interfaces The router then advertises this set of link costs to all other routers in the internet topology, not just neighboring routers From then on, the router monitors its link costs Whenever there is a significant c ...
slides
... Saves processing resources on the host NIC can be customized for TCP/IP processing Reduces host memory references Network interface can exploit small, fast, local memory ...
... Saves processing resources on the host NIC can be customized for TCP/IP processing Reduces host memory references Network interface can exploit small, fast, local memory ...
Influence of Network Load on the Performance of Opportunistic Scanning
... allows to prioritize either the scanning or the data exchange process. The former guarantees a minimum scan duration and hence stops the data exchange even if user data packets are pending for transmission. Such priority could be given in a white space environment where the upmost goal is detecting ...
... allows to prioritize either the scanning or the data exchange process. The former guarantees a minimum scan duration and hence stops the data exchange even if user data packets are pending for transmission. Such priority could be given in a white space environment where the upmost goal is detecting ...
Network Access Control for Mobile Ad Hoc Network
... * H. F. Tipton, Handbook of information security management ...
... * H. F. Tipton, Handbook of information security management ...
CCNA2 3.1-08 TCPIP Suite Error and Control Messages
... – The interface on which the packet comes into the router is the same interface on which the packet gets routed out. – The subnet/network of the source IP address is the same subnet/network of the next-hop IP address of the routed packet. – The datagram is not source-routed. – The route for the redi ...
... – The interface on which the packet comes into the router is the same interface on which the packet gets routed out. – The subnet/network of the source IP address is the same subnet/network of the next-hop IP address of the routed packet. – The datagram is not source-routed. – The route for the redi ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... There are still many applications that do not require any QoS, even though after realizing the unavoidable need to QoS networking.. Moreover, those applications that do require QoS vary in the degrees of priorities and assurances that they require to implement QoS. Therefore, on the other extreme we ...
... There are still many applications that do not require any QoS, even though after realizing the unavoidable need to QoS networking.. Moreover, those applications that do require QoS vary in the degrees of priorities and assurances that they require to implement QoS. Therefore, on the other extreme we ...
GPSR: Greedy Perimeter Stateless Routing for Wireless Networks
... state for a one-hop radius about a router is the minimum required to do any routing; no useful forwarding decision can be made without knowledge of the topology one or more hops away. This beaconing mechanism does represent pro-active routing protocol traffic, avoided by DSR and AODV. To minimize th ...
... state for a one-hop radius about a router is the minimum required to do any routing; no useful forwarding decision can be made without knowledge of the topology one or more hops away. This beaconing mechanism does represent pro-active routing protocol traffic, avoided by DSR and AODV. To minimize th ...
ppt
... Paths through network generated Appropriate Switches Notified DLCI's Assigned I/O mappings updated in Switch Look-Up Tables Source Router ships all FR traffic down same leased line FR switches use DLCI to properly output ...
... Paths through network generated Appropriate Switches Notified DLCI's Assigned I/O mappings updated in Switch Look-Up Tables Source Router ships all FR traffic down same leased line FR switches use DLCI to properly output ...
COMPARATIVE STUDY OF TABLE DRIVEN ROUTING Mr. Pradip A. Chougule
... Comparative Study Of Table Driven routing protocols In Ad Hoc Wireless Networks 3.1.1. Normalized routing overhead: This is the number of routing packets transmitted per delivery of a data packet. Each hop transmission of a routing packet is counted as one transmission. This factor also tells us so ...
... Comparative Study Of Table Driven routing protocols In Ad Hoc Wireless Networks 3.1.1. Normalized routing overhead: This is the number of routing packets transmitted per delivery of a data packet. Each hop transmission of a routing packet is counted as one transmission. This factor also tells us so ...
View File - University of Engineering and Technology, Taxila
... Bandwidth Request (MAX/MIN): indicates the requested amount of bandwidth. ...
... Bandwidth Request (MAX/MIN): indicates the requested amount of bandwidth. ...
Guide to Firewalls and Network Security with Intrusion Detection and
... private reserved blocks not usually routable over the Internet ...
... private reserved blocks not usually routable over the Internet ...
routing-3
... outgoing datagrams: replace (source IP address, port #) of every outgoing datagram to (NAT IP address, new port #) . . . remote clients/servers will respond using (NAT IP address, new port #) as destination addr. remember (in NAT translation table) every (source IP address, port #) to (NAT IP addres ...
... outgoing datagrams: replace (source IP address, port #) of every outgoing datagram to (NAT IP address, new port #) . . . remote clients/servers will respond using (NAT IP address, new port #) as destination addr. remember (in NAT translation table) every (source IP address, port #) to (NAT IP addres ...
