COMP 361, Fall 2000 - hkust cse - Hong Kong University of Science
... What is a Communication Network? (from an end system point of view) • A network offers a service: move information – Messenger, telegraph, telephone, Internet … – another example, transportation service: move objects • horse, train, truck, airplane ... ...
... What is a Communication Network? (from an end system point of view) • A network offers a service: move information – Messenger, telegraph, telephone, Internet … – another example, transportation service: move objects • horse, train, truck, airplane ... ...
Network Layer
... run routing algorithms/protocols (RIP, OSPF, BGP) forwarding datagrams from incoming to outgoing link forwarding tables computed, pushed to input ports ...
... run routing algorithms/protocols (RIP, OSPF, BGP) forwarding datagrams from incoming to outgoing link forwarding tables computed, pushed to input ports ...
CCNA3 Chapter 1 Introduction to Classless Routing
... connecting via point to point links to the Head Office with 25 hosts • Design a subnet mask for FSF Chapter 1 – Introduction to Classless Routing ...
... connecting via point to point links to the Head Office with 25 hosts • Design a subnet mask for FSF Chapter 1 – Introduction to Classless Routing ...
Routing Information Protocol (RIP)
... • A problem with distance vector routing is instability, which means that a network using this protocol can become unstable ...
... • A problem with distance vector routing is instability, which means that a network using this protocol can become unstable ...
INS PPT - Home Kalim Puthawala
... Steganography is the art and science of writing hidden messages in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message, a form of security through obscurity. The word steganography is of Greek origin and means "concealed writing" from the Greek ...
... Steganography is the art and science of writing hidden messages in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message, a form of security through obscurity. The word steganography is of Greek origin and means "concealed writing" from the Greek ...
ppt
... • Analog and digital transmission. – Example of analog data: voice and video. – Example of digital data: character strings • Use of codes to represent characters as sequence of bits (e.g., ASCII). ...
... • Analog and digital transmission. – Example of analog data: voice and video. – Example of digital data: character strings • Use of codes to represent characters as sequence of bits (e.g., ASCII). ...
RETHER: A Software-Only Real-Time Ethernet for PLC Networks Tzi-cker Chiueh
... The token circulates in cycles so that real-time connections can access the network periodically. Because RETHER does not assume a globally synchronized clock, the token cycle time is maintained as a counter called the residual cycle time in the token itself. At the beginning of each cycle, the resi ...
... The token circulates in cycles so that real-time connections can access the network periodically. Because RETHER does not assume a globally synchronized clock, the token cycle time is maintained as a counter called the residual cycle time in the token itself. At the beginning of each cycle, the resi ...
Network Layer - USC Upstate: Faculty
... often measured as multiple of input/output line rate N inputs: switching rate N times line rate desirable ...
... often measured as multiple of input/output line rate N inputs: switching rate N times line rate desirable ...
No Slide Title - Columbia University
... What messages are sent between routers Under what conditions the messages are sent How messages are processed to compute routing tables ...
... What messages are sent between routers Under what conditions the messages are sent How messages are processed to compute routing tables ...
ATM
... we learned how to do this already (chapter 3)! seldom used on low bit-error link (fiber, some twisted pair) wireless links: high error rates • Q: why both link-level and end-end reliability? 5: DataLink Layer ...
... we learned how to do this already (chapter 3)! seldom used on low bit-error link (fiber, some twisted pair) wireless links: high error rates • Q: why both link-level and end-end reliability? 5: DataLink Layer ...
here - Pages
... gluing together dissimilar networks The International Standards Organization (ISO) came up with a model for describing interconnect between networks (Open Systems Interconnect) ...
... gluing together dissimilar networks The International Standards Organization (ISO) came up with a model for describing interconnect between networks (Open Systems Interconnect) ...
COEN 252 Computer Forensics - Santa Clara University's
... the employer’s network with IP address 192.168.1.65. DHCP server database showed that this IP was assigned to a computer with MAC address 00:00:48:5c:3a:6c. This MAC belonged to a network printer. The router’s ARP table showed that the IP address 192.168.1.65. was used by a computer with MAC 00:30:6 ...
... the employer’s network with IP address 192.168.1.65. DHCP server database showed that this IP was assigned to a computer with MAC address 00:00:48:5c:3a:6c. This MAC belonged to a network printer. The router’s ARP table showed that the IP address 192.168.1.65. was used by a computer with MAC 00:30:6 ...
module_71
... Performance If processing speed cannot keep up with network traffic, some packets will not be examined This can make IDSs useless during DoS attacks ...
... Performance If processing speed cannot keep up with network traffic, some packets will not be examined This can make IDSs useless during DoS attacks ...
IEE1451.5QoS - IEEE-SA
... Bluetooth NCAP network connection is mapped to PAN profile because: – PAN is the logical choice for a Bluetooth network connection – PAN U role is suitable for single chip Bluetooth radio plus transducer – PAN NAP role acts as gateway to a wired network – Future PAN routing methods will add multi-ho ...
... Bluetooth NCAP network connection is mapped to PAN profile because: – PAN is the logical choice for a Bluetooth network connection – PAN U role is suitable for single chip Bluetooth radio plus transducer – PAN NAP role acts as gateway to a wired network – Future PAN routing methods will add multi-ho ...
Cisco ME 6500 Series Ethernet Switch
... mitigate denial-of-service (DoS) attacks, to restrict the access to the network, and to safeguard network resources. Port-based and VLAN-based access control lists (ACLs) restrict the unwanted traffic based on traffic and users; CPU rate limiters and control plane policing (CoPP) limit the amount of ...
... mitigate denial-of-service (DoS) attacks, to restrict the access to the network, and to safeguard network resources. Port-based and VLAN-based access control lists (ACLs) restrict the unwanted traffic based on traffic and users; CPU rate limiters and control plane policing (CoPP) limit the amount of ...
ppt
... Periodic Updates: Updates to the routing tables are sent at the end of a certain time period. A typical value is 30 seconds. Triggered Updates: If a metric changes on a link, a router immediately sends out an update without waiting for the end of the update period. Full Routing Table Update: Most di ...
... Periodic Updates: Updates to the routing tables are sent at the end of a certain time period. A typical value is 30 seconds. Triggered Updates: If a metric changes on a link, a router immediately sends out an update without waiting for the end of the update period. Full Routing Table Update: Most di ...
BayStack Access Node and Access Node Hub Data Sheet
... provided via optional adapter modules. If an ISDN BRI port configured with two B channels and one D channel is enabled, only one synchronous port (COM2) is active. These modules can be easily removed or exchanged to meet changes in network requirements for enhanced flexibility and connectivity. Ethe ...
... provided via optional adapter modules. If an ISDN BRI port configured with two B channels and one D channel is enabled, only one synchronous port (COM2) is active. These modules can be easily removed or exchanged to meet changes in network requirements for enhanced flexibility and connectivity. Ethe ...
The Cutting EDGE of IP Router Configuration
... policies of their organization. These engineers may need additional training in how to diagnose and fix configuration problems. The investment in engineers trained on a particular router product can make it extremely difficult to incorporate products from other vendors. C. Moving Beyond Manual Confi ...
... policies of their organization. These engineers may need additional training in how to diagnose and fix configuration problems. The investment in engineers trained on a particular router product can make it extremely difficult to incorporate products from other vendors. C. Moving Beyond Manual Confi ...