Wormhole attacks
... A mobile ad-hoc network (MANET) a self-configuring network of mobile routers (and associated hosts) connected by wireless links—the union of which form an arbitrary topology. The routers are free to move randomly and organize themselves arbitrarily; thus, the network's wireless topology may ch ...
... A mobile ad-hoc network (MANET) a self-configuring network of mobile routers (and associated hosts) connected by wireless links—the union of which form an arbitrary topology. The routers are free to move randomly and organize themselves arbitrarily; thus, the network's wireless topology may ch ...
in NAT translation table
... • Motivation: local network uses just one IP address as far as outside world is concerned: – no need to be allocated range of addresses from ISP: just one IP address is used for all devices – can change addresses of devices in local network without notifying outside world – can change ISP without ch ...
... • Motivation: local network uses just one IP address as far as outside world is concerned: – no need to be allocated range of addresses from ISP: just one IP address is used for all devices – can change addresses of devices in local network without notifying outside world – can change ISP without ch ...
5G Vision and Key Access and Networking Technologies
... The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ m ...
... The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ m ...
PPT Version
... 4. Sub-IP protection mechanisms include High Availability (HA) stateful failover. Virtual Router Redundancy Protocol (VRRP), Automatic Protection Switching (APS) for SONET/SDH, and Fast Reroute for Multi-Protocol Label Switching (MPLS). 5. It is intended that there can exist unique methodology docum ...
... 4. Sub-IP protection mechanisms include High Availability (HA) stateful failover. Virtual Router Redundancy Protocol (VRRP), Automatic Protection Switching (APS) for SONET/SDH, and Fast Reroute for Multi-Protocol Label Switching (MPLS). 5. It is intended that there can exist unique methodology docum ...
OSI Reference Model
... timing of data signals and eliminate collisions. • The MAC sub layer determines where one frame of data ends and the next one starts - frame synchronization. • There are four means of frame synchronization: 1. Time based, 2. Character counting, 3. Byte stuffing and 4. Bit stuffing. ...
... timing of data signals and eliminate collisions. • The MAC sub layer determines where one frame of data ends and the next one starts - frame synchronization. • There are four means of frame synchronization: 1. Time based, 2. Character counting, 3. Byte stuffing and 4. Bit stuffing. ...
signaling transfer point
... SS7 networks use bi-directional high speed (ATM, 1.5 Mbps) or low speed (DS0, 56 kbps/64 kbps) links to interconnect signaling points. Two signaling points connected by one link are said to be adjacent. A collection of links that connect together the same signaling points is called a link set and ea ...
... SS7 networks use bi-directional high speed (ATM, 1.5 Mbps) or low speed (DS0, 56 kbps/64 kbps) links to interconnect signaling points. Two signaling points connected by one link are said to be adjacent. A collection of links that connect together the same signaling points is called a link set and ea ...
Fastpass
... Fastpass Components 1. Timeslot allocation algorithm: at the arbiter to determine when each endpoint’s packets should be sent. 2. Path assignment algorithm: at the arbiter to assign a path to each packet. 3. Fastpass Control Protocol (FCP) : A replication strategy for the central arbiter to handle ...
... Fastpass Components 1. Timeslot allocation algorithm: at the arbiter to determine when each endpoint’s packets should be sent. 2. Path assignment algorithm: at the arbiter to assign a path to each packet. 3. Fastpass Control Protocol (FCP) : A replication strategy for the central arbiter to handle ...
(GPRS) Miao Lu (2705914) Nancy Samaan
... packet-switched networks. Converts the GPRS packets from SGSN into the appropriate packet data protocol format (e.g., IP or X.25) and sends out on the corresponding packet data network. Participates into the mobility management. Maintains the location information of the mobile stations that ar ...
... packet-switched networks. Converts the GPRS packets from SGSN into the appropriate packet data protocol format (e.g., IP or X.25) and sends out on the corresponding packet data network. Participates into the mobility management. Maintains the location information of the mobile stations that ar ...
ppt
... • Poor locality: 1M concurrent type of packets in backbone. 5 packets to same destination • Latencies large, e.g. 100 ms for wide area • Wire speed forwarding ...
... • Poor locality: 1M concurrent type of packets in backbone. 5 packets to same destination • Latencies large, e.g. 100 ms for wide area • Wire speed forwarding ...
Voice Capacity Analysis of WLAN With
... from the WLAN. In an infrastructure-based WLAN, the AP has a much higher traffic load and is the bottleneck. The unbalanced traffic load affects network performance and voice capacity, which needs further investigation. In this paper, we study the network performance of an infrastructure-based WLAN, ...
... from the WLAN. In an infrastructure-based WLAN, the AP has a much higher traffic load and is the bottleneck. The unbalanced traffic load affects network performance and voice capacity, which needs further investigation. In this paper, we study the network performance of an infrastructure-based WLAN, ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... address of the association. Data from the corresponding host is duplicated and sent to both addresses. This avoids a long latency due to retransmission. Koh and Hyun, (2008) presented an extension of SIP to support a soft handover named mobile SIP (mSIP). The mSIP handover is designed to support the ...
... address of the association. Data from the corresponding host is duplicated and sent to both addresses. This avoids a long latency due to retransmission. Koh and Hyun, (2008) presented an extension of SIP to support a soft handover named mobile SIP (mSIP). The mSIP handover is designed to support the ...
Three Challenges in Reliable Data Transport over
... Solution: Berkeley Snoop Protocol • Challenge #2: asymmetry and latency variation Solution: TCP mods + link-level schemes • Challenge #3: low channel bandwidths Solution: Enhanced TCP loss recovery • Conclusions ...
... Solution: Berkeley Snoop Protocol • Challenge #2: asymmetry and latency variation Solution: TCP mods + link-level schemes • Challenge #3: low channel bandwidths Solution: Enhanced TCP loss recovery • Conclusions ...
network
... Chapter 8 Summary • Computer networks link two or more computers to exchange data and share resources • Two types of computer networks: Local area network (LAN) Wide area network (WAN) ...
... Chapter 8 Summary • Computer networks link two or more computers to exchange data and share resources • Two types of computer networks: Local area network (LAN) Wide area network (WAN) ...
Next Generation Convergence Network Testbed and
... • End to end delays – Smaller than 150 ms : not perceived – Between 150 and 400 ms : acceptable but not ideal – If f/p=3: about 60ms’ latency to aggregate three frames. The rest 90ms (150-60) are remained for packet transfer. ...
... • End to end delays – Smaller than 150 ms : not perceived – Between 150 and 400 ms : acceptable but not ideal – If f/p=3: about 60ms’ latency to aggregate three frames. The rest 90ms (150-60) are remained for packet transfer. ...
GSM transport evolution
... Therefore, the subordinate 16kbps timeslot on the Abis interface permanently allocated to a traffic channel (TCH) for voice service will never be available to carry EDGE data. With packet Abis the transport resources make up a common pool that is used by the traffic offered at each moment in time. T ...
... Therefore, the subordinate 16kbps timeslot on the Abis interface permanently allocated to a traffic channel (TCH) for voice service will never be available to carry EDGE data. With packet Abis the transport resources make up a common pool that is used by the traffic offered at each moment in time. T ...
Cislunar Networking WG Overview
... SCTP is a reliable transport protocol operating on top of a connectionless packet network such as IP. It offers the following services to its users: – acknowledged error-free non-duplicated transfer of user data, – data fragmentation to conform to discovered path MTU size – sequenced delivery of use ...
... SCTP is a reliable transport protocol operating on top of a connectionless packet network such as IP. It offers the following services to its users: – acknowledged error-free non-duplicated transfer of user data, – data fragmentation to conform to discovered path MTU size – sequenced delivery of use ...
Problem - UC Berkeley Robotics and Intelligent Machines Lab
... Data transmission initiated after reception of acknowledgement (two way reservation) Poor utilization if subsequent transmission has small duration relative to set-up time. (Not suited for bursty traffic) Protection / fault recovery cannot be done efficiently Example : Network with N switches, D set ...
... Data transmission initiated after reception of acknowledgement (two way reservation) Poor utilization if subsequent transmission has small duration relative to set-up time. (Not suited for bursty traffic) Protection / fault recovery cannot be done efficiently Example : Network with N switches, D set ...
Applications and Layered Architecture
... • Session layer: provides dialog control and enhances the reliable transfer service provided by transport layer. – it establishes and terminates connections between SS-users and synchronizes the data exchange between them. – it performs various negotiations for the use of session layer tokens, which ...
... • Session layer: provides dialog control and enhances the reliable transfer service provided by transport layer. – it establishes and terminates connections between SS-users and synchronizes the data exchange between them. – it performs various negotiations for the use of session layer tokens, which ...