CENT 305 Information Security
... Goal is to prevent specific types of information from moving between external networks and internal networks. ...
... Goal is to prevent specific types of information from moving between external networks and internal networks. ...
Multi-Protocol Label Switching (MPLS)
... link layer is not specified, the approaches all provide a scenario where it is possible to fully integrate and couple traditional datagram routing concepts with link-layer switching devices supported within the telecommunications industry. MPLS functionality is now being supported directly within ha ...
... link layer is not specified, the approaches all provide a scenario where it is possible to fully integrate and couple traditional datagram routing concepts with link-layer switching devices supported within the telecommunications industry. MPLS functionality is now being supported directly within ha ...
PPT
... • Switching core is fairly simple, but • Support for different traffic classes • Signaling software is very complex • Technology did not match people’s experience with IP • deploying ATM in LAN is complex (e.g. broadcast) • supporting connection-less service model on connection-based technology • Wi ...
... • Switching core is fairly simple, but • Support for different traffic classes • Signaling software is very complex • Technology did not match people’s experience with IP • deploying ATM in LAN is complex (e.g. broadcast) • supporting connection-less service model on connection-based technology • Wi ...
An open source user space fast path TCP/IP stack
... Industry network challenges Growth in data traffic means that even small network nodes needs a fast path The Linux IP stack is slow and does not scale High throughput IP processing solutions has been around for a number of years Why this now? ...
... Industry network challenges Growth in data traffic means that even small network nodes needs a fast path The Linux IP stack is slow and does not scale High throughput IP processing solutions has been around for a number of years Why this now? ...
2/e, by William Stallings and Lawrie Brown, Chapter 9
... • Packet filter firewalls are generally vulnerable to attacks and exploits that take advantage of problems within the TCP/IP specification and protocol stack, such as network layer address spoofing . Many packet filter firewalls cannot detect a network packet in which the OSI Layer 3 addressing inf ...
... • Packet filter firewalls are generally vulnerable to attacks and exploits that take advantage of problems within the TCP/IP specification and protocol stack, such as network layer address spoofing . Many packet filter firewalls cannot detect a network packet in which the OSI Layer 3 addressing inf ...
MPEG-2 TS MULTIPLEXER IN FPGA TECHNOLOGY Podatkovni
... Additionally, so called NULL packets can be added to the transport stream. NULL packets are packets that are identified with a Packet Identifier (PID) of 0x1FFF and contain only 0xFF values as their payload. Their purpose is to maintain a constant bit rate of the output transport stream by inserting ...
... Additionally, so called NULL packets can be added to the transport stream. NULL packets are packets that are identified with a Packet Identifier (PID) of 0x1FFF and contain only 0xFF values as their payload. Their purpose is to maintain a constant bit rate of the output transport stream by inserting ...
paper
... a short period. As a result, a router can XOR two packets and deliver them to two different neighbors in a single transmission whenever it knows that each of the two neighbors has overheard the packet destined to the other. Snooping not only extends the benefits of coding beyond duplex flows, but al ...
... a short period. As a result, a router can XOR two packets and deliver them to two different neighbors in a single transmission whenever it knows that each of the two neighbors has overheard the packet destined to the other. Snooping not only extends the benefits of coding beyond duplex flows, but al ...
Proceedings of BSDCon ’03 USENIX Association San Mateo, CA, USA September 8–12, 2003
... a pointer to other tags attached to the same packet, followed by type-dependent data. These tags can be combined together in a chain, and attached to the first mbuf of a packet. An mbuf is a data structured used by the BSD networking stack to contain packets and other information. A chain of mbufs c ...
... a pointer to other tags attached to the same packet, followed by type-dependent data. These tags can be combined together in a chain, and attached to the first mbuf of a packet. An mbuf is a data structured used by the BSD networking stack to contain packets and other information. A chain of mbufs c ...
Lecture_5_Routing Protocols
... The routing table is shared with the neighbor router(s) Can not be used in large networks The size of the N/W, in each direction, can not exceed 15 hops Examples are RIP and IGRP ...
... The routing table is shared with the neighbor router(s) Can not be used in large networks The size of the N/W, in each direction, can not exceed 15 hops Examples are RIP and IGRP ...
Control Message
... conditions such as network congestion or the existence of a better gateway to a remote network. A common ICMP control message is the ICMP redirect/change request. This type of message can only be initiated by a router. When a host connects to a segment that has two or more directly connected routers ...
... conditions such as network congestion or the existence of a better gateway to a remote network. A common ICMP control message is the ICMP redirect/change request. This type of message can only be initiated by a router. When a host connects to a segment that has two or more directly connected routers ...
Secure Routing with AODV Protocol for Mobile Ad Hoc Network
... Malicious node may generate frequent unnecessary route requests i.e. false route message. If done from different radio range it is difficult to identify the malicious node (RREQ are broadcasts). When a node receives RREQ > threshold count by a specific source for a destination in a particular time i ...
... Malicious node may generate frequent unnecessary route requests i.e. false route message. If done from different radio range it is difficult to identify the malicious node (RREQ are broadcasts). When a node receives RREQ > threshold count by a specific source for a destination in a particular time i ...
Chapter 3 review
... may erroneously signal congestion (i.e., not always reliable) [e.g., over wireless links] done end-to-end without network assistance TCP cuts down its window/rate ...
... may erroneously signal congestion (i.e., not always reliable) [e.g., over wireless links] done end-to-end without network assistance TCP cuts down its window/rate ...
Overview - University of Victoria
... TCP converts the unreliable, best effort service of IP into a reliable service, i.e., it ensures that each segment is delivered correctly, only once, and in order. Converting an unreliable connection into a reliable connection is basically the same problem we have considered at the data link layer, ...
... TCP converts the unreliable, best effort service of IP into a reliable service, i.e., it ensures that each segment is delivered correctly, only once, and in order. Converting an unreliable connection into a reliable connection is basically the same problem we have considered at the data link layer, ...
QoS Guarantee in Wirless Network
... • The source partially floods data to nodes that are in the direction of the destination • The source specifies possible next hops in the data header using location information • Next hop nodes select their own list of next hops and include the list into data header • If the source finds no neighbor ...
... • The source partially floods data to nodes that are in the direction of the destination • The source specifies possible next hops in the data header using location information • Next hop nodes select their own list of next hops and include the list into data header • If the source finds no neighbor ...
Modular Components for Network Address Translation - PDOS-MIT
... router [6, 12]. Individually, each element is not necessarily more powerful than other NATs or traffic redirectors. However, the ability to combine elements into new arrangements makes our system more flexible than any single monolithic system. Our NAT demonstrates the advantages of flexible, compon ...
... router [6, 12]. Individually, each element is not necessarily more powerful than other NATs or traffic redirectors. However, the ability to combine elements into new arrangements makes our system more flexible than any single monolithic system. Our NAT demonstrates the advantages of flexible, compon ...
IP Datagram - La Salle University
... Different physical networks have different MTUs. The MTU may also be set by the network administrator. If the source computer transmits packets that are too large for some network encountered on the way to its destination, then a router will break the packet into smaller packets (fragmenting). Ideal ...
... Different physical networks have different MTUs. The MTU may also be set by the network administrator. If the source computer transmits packets that are too large for some network encountered on the way to its destination, then a router will break the packet into smaller packets (fragmenting). Ideal ...
William Stallings Data and Computer Communications
... through more than one switch Need to find a route ...
... through more than one switch Need to find a route ...
paper
... network coding provides a more efficient approach to reliability. In contrast to §111-A, the examples in this section employ intraflow network coding, i.e., routers mix packets heading to the same destination. As a result of this mixing, each received packet contains some information about all packe ...
... network coding provides a more efficient approach to reliability. In contrast to §111-A, the examples in this section employ intraflow network coding, i.e., routers mix packets heading to the same destination. As a result of this mixing, each received packet contains some information about all packe ...