lecture06
... voice lines are expensive - international calls, for example - the cost savings can be immense. Simplify: Where voice and data run on the same network, you can expect significant operational improvements. It's far easier to change IP terminals, for example. Add value: The most interesting benefits w ...
... voice lines are expensive - international calls, for example - the cost savings can be immense. Simplify: Where voice and data run on the same network, you can expect significant operational improvements. It's far easier to change IP terminals, for example. Add value: The most interesting benefits w ...
WAP - ICMP - Extra Reading File
... Subject to the same delivery failures as any IP packet. This creates a scenario where error reports could generate more error reports, causing increased congestion on an already ailing network. For this reason, errors created by ICMP messages do not generate their own ICMP messages. It is thus possi ...
... Subject to the same delivery failures as any IP packet. This creates a scenario where error reports could generate more error reports, causing increased congestion on an already ailing network. For this reason, errors created by ICMP messages do not generate their own ICMP messages. It is thus possi ...
WAP - ICMP - Extra Reading File
... Subject to the same delivery failures as any IP packet. This creates a scenario where error reports could generate more error reports, causing increased congestion on an already ailing network. For this reason, errors created by ICMP messages do not generate their own ICMP messages. It is thus possi ...
... Subject to the same delivery failures as any IP packet. This creates a scenario where error reports could generate more error reports, causing increased congestion on an already ailing network. For this reason, errors created by ICMP messages do not generate their own ICMP messages. It is thus possi ...
Link Layer
... “Taking Turns” MAC protocols channel partitioning MAC protocols: o share channel efficiently and fairly at high load o inefficient at low load: delay in channel access, 1/N bandwidth allocated even if only 1 active node! Random access MAC protocols o efficient at low load: single node can fully uti ...
... “Taking Turns” MAC protocols channel partitioning MAC protocols: o share channel efficiently and fairly at high load o inefficient at low load: delay in channel access, 1/N bandwidth allocated even if only 1 active node! Random access MAC protocols o efficient at low load: single node can fully uti ...
A very important part of network building is LAN connectivity
... Similar actions occur when packet is sent from user C to user A. In most cases the devices interconnecting the VLANs are intermediate routers and it means that only one MAC address would be required in the configuration. The router itself would need to define ARP entries for other connected routers ...
... Similar actions occur when packet is sent from user C to user A. In most cases the devices interconnecting the VLANs are intermediate routers and it means that only one MAC address would be required in the configuration. The router itself would need to define ARP entries for other connected routers ...
Cisco IOS Quality of Service Update
... by enhancing servicelevels to missioncritical applications • Helps maintain network availability in the event of DoS/worm attacks ...
... by enhancing servicelevels to missioncritical applications • Helps maintain network availability in the event of DoS/worm attacks ...
Title: First Slide in a Presentation
... Using Object Groups in ACLs • Creating groups of services ...
... Using Object Groups in ACLs • Creating groups of services ...
Practical Ethernet_0..
... When two hosts start transmitting simultaneously, this is detected (Collision Detection), and both hosts will perform random back-off. ...
... When two hosts start transmitting simultaneously, this is detected (Collision Detection), and both hosts will perform random back-off. ...
LSP and lSP Setup in GMPLS Networks
... WDM is an optical multiplexing technique that allows better exploitation of the fiber capacity by simultaneously transmitting data packets over multiple wavelengths. IP-overWDM networks can be wavelength routed (WR) networks. In WR networks, an all-optical wavelength path is established between edge ...
... WDM is an optical multiplexing technique that allows better exploitation of the fiber capacity by simultaneously transmitting data packets over multiple wavelengths. IP-overWDM networks can be wavelength routed (WR) networks. In WR networks, an all-optical wavelength path is established between edge ...
Three Challenges in Reliable Data Transport over Heterogeneous
... • Problem: Wireless corruption mistaken for congestion • Solution: Snoop Protocol • General lessons ...
... • Problem: Wireless corruption mistaken for congestion • Solution: Snoop Protocol • General lessons ...
TCP Proxy
... Single TCP Connection over Bluetooth • Possible Reasons for throughput jumps – Traffic in low-bandwidth direction • Packet Scheduler has to send more data • Adjusting to „more symmetric“ bandwidth • Flow Control on Baseband ...
... Single TCP Connection over Bluetooth • Possible Reasons for throughput jumps – Traffic in low-bandwidth direction • Packet Scheduler has to send more data • Adjusting to „more symmetric“ bandwidth • Flow Control on Baseband ...
Arimilli_Baba_2010-0..
... Packet’s View: Distributed Source Routing – The paths taken by packets is deterministic direct routing – The packets are injected with the desired destination indicated in the header – Partial Routes are picked up in the ISR at each hop of the path Routing Characteristics – 3-hop L-D-L longest d ...
... Packet’s View: Distributed Source Routing – The paths taken by packets is deterministic direct routing – The packets are injected with the desired destination indicated in the header – Partial Routes are picked up in the ISR at each hop of the path Routing Characteristics – 3-hop L-D-L longest d ...
Recursive or iterative routing? Hybrid!
... Peer-to-Peer (P2P) networks and their applications gain increasing importance in today’s Internet, as already today the majority of IP traffic is caused by P2P applications. Since the upcoming of Napster a lot of research has been done in this area. Still, growing demands like less data rate consump ...
... Peer-to-Peer (P2P) networks and their applications gain increasing importance in today’s Internet, as already today the majority of IP traffic is caused by P2P applications. Since the upcoming of Napster a lot of research has been done in this area. Still, growing demands like less data rate consump ...
Rudimentary NMS Software Components (Chapter 7)
... Building management systems for the devices of today and tomorrow is increasingly difficult. General migration to a Layer 3 infrastructure is another reason for the widening gap between available development skills and required product features. The need for customers to see rapid ROI for all ...
... Building management systems for the devices of today and tomorrow is increasingly difficult. General migration to a Layer 3 infrastructure is another reason for the widening gap between available development skills and required product features. The need for customers to see rapid ROI for all ...
chapter3
... UDP: User Datagram Protocol [RFC 768] • “no frills,” “bare bones” Internet transport protocol • “best effort” service, UDP segments may be: – lost – delivered out of order to app • connectionless: – no handshaking between UDP sender, receiver – each UDP segment handled independently of others ...
... UDP: User Datagram Protocol [RFC 768] • “no frills,” “bare bones” Internet transport protocol • “best effort” service, UDP segments may be: – lost – delivered out of order to app • connectionless: – no handshaking between UDP sender, receiver – each UDP segment handled independently of others ...
Overview Presentation
... Upon completion of this course, students will be able to: • Describe security threats facing modern network infrastructures • Secure network device access • Implement AAA on network devices • Mitigate threats to networks using ACLs • Implement secure network management and reporting • Mitigate comm ...
... Upon completion of this course, students will be able to: • Describe security threats facing modern network infrastructures • Secure network device access • Implement AAA on network devices • Mitigate threats to networks using ACLs • Implement secure network management and reporting • Mitigate comm ...
Security of IP Routing Protocols
... complex, properly configuring, administering, and securing them becomes increasingly difficult. ...
... complex, properly configuring, administering, and securing them becomes increasingly difficult. ...
power-point presentation - UNT College of Engineering
... •Link: logical organization of data bits transmitted on a particular medium; framing, addressing, error network correction/detection (check sum) e.g. ppp, ethernet •Physical: bits “on the wire” Defines physical ...
... •Link: logical organization of data bits transmitted on a particular medium; framing, addressing, error network correction/detection (check sum) e.g. ppp, ethernet •Physical: bits “on the wire” Defines physical ...
3rd Edition: Chapter 3 - Communications Systems Center
... “best effort” service, UDP segments may be: lost delivered out of order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
... “best effort” service, UDP segments may be: lost delivered out of order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
3rd Edition: Chapter 3 - Georgia Institute of Technology
... “best effort” service, UDP segments may be: lost delivered out of order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
... “best effort” service, UDP segments may be: lost delivered out of order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
Cisco tcs2 - Liberty High School
... sites will be considered departmental servers and will be placed according to user group access needs. Library Server Location, Purpose and Availability- The Library server will contain an online library for curricular research. The Server will be running TCP/IP as its OSI layer 3&4 protocols and wi ...
... sites will be considered departmental servers and will be placed according to user group access needs. Library Server Location, Purpose and Availability- The Library server will contain an online library for curricular research. The Server will be running TCP/IP as its OSI layer 3&4 protocols and wi ...
power-point presentation
... •Link: logical organization of data bits transmitted on a particular medium; framing, addressing, error network correction/detection (check sum) e.g. ppp, ethernet •Physical: bits “on the wire” Defines physical ...
... •Link: logical organization of data bits transmitted on a particular medium; framing, addressing, error network correction/detection (check sum) e.g. ppp, ethernet •Physical: bits “on the wire” Defines physical ...
Document
... when a packet is dropped, any upstream transmission capacity used for that packet was wasted ...
... when a packet is dropped, any upstream transmission capacity used for that packet was wasted ...