COS 420 day 16
... Classification requires knowledge of headers (e.g., TCP port numbers) Only first fragment contains needed information LSR must collect fragments and reassemble before classification ...
... Classification requires knowledge of headers (e.g., TCP port numbers) Only first fragment contains needed information LSR must collect fragments and reassemble before classification ...
ppt - Applied Crypto Group at Stanford University
... Abadi-Burrows-Manasse-Wobber, ACM ToIT ‘05 ...
... Abadi-Burrows-Manasse-Wobber, ACM ToIT ‘05 ...
Slide
... When the site completes its round of message passing, it retransmits the token A token-passing scheme is used by some IBM and HP/Apollo systems Message slots - A number of fixed-length message slots continuously circulate in the system (usually a ring structure) Since a slot can contain only ...
... When the site completes its round of message passing, it retransmits the token A token-passing scheme is used by some IBM and HP/Apollo systems Message slots - A number of fixed-length message slots continuously circulate in the system (usually a ring structure) Since a slot can contain only ...
Chapter 4 slides
... 4.4.3 Datagram format 4.4.4 IP fragmentation 4.4.5 ICMP: Internet Control Message Protocol ...
... 4.4.3 Datagram format 4.4.4 IP fragmentation 4.4.5 ICMP: Internet Control Message Protocol ...
From Overlays to Clouds - Distributed Systems and Networks Lab
... – Each additional node increases its reach and usefulness (similar to any network) – Each additional application domain increases its economic advantage – Will therefore swallow most other networks • Happened: mail to e-mail, Phone to VoIP, Fax to PDFs • Started the process: TV, various control syst ...
... – Each additional node increases its reach and usefulness (similar to any network) – Each additional application domain increases its economic advantage – Will therefore swallow most other networks • Happened: mail to e-mail, Phone to VoIP, Fax to PDFs • Started the process: TV, various control syst ...
Unplug The Routers!
... Clone the data plane by repopulation Copying the data plane states is wasteful, and could be hard Instead, repopulate the new data plane using the migrated control plane The old data plane continues working during migration ...
... Clone the data plane by repopulation Copying the data plane states is wasteful, and could be hard Instead, repopulate the new data plane using the migrated control plane The old data plane continues working during migration ...
P2P Part-2
... Single digit entry in each row shows the corresponding digit of the present node’s id – i.e. prefix matches the current id up to the given value of p – the next row down or leaf set should be examined to find a route. ...
... Single digit entry in each row shows the corresponding digit of the present node’s id – i.e. prefix matches the current id up to the given value of p – the next row down or leaf set should be examined to find a route. ...
Network Design
... to 255.255.255.255. This yields a total of more than four billion possible IP addresses (255 x 255 x 255 x 255 = 4,228,250,625); although many of these are reserved for special purposes and should not be assigned to hosts. Each of the usable IP addresses is a unique identifier that distinguishes one ...
... to 255.255.255.255. This yields a total of more than four billion possible IP addresses (255 x 255 x 255 x 255 = 4,228,250,625); although many of these are reserved for special purposes and should not be assigned to hosts. Each of the usable IP addresses is a unique identifier that distinguishes one ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... mobility of mobile nodes, classical routing protocols used on wired networks are not suitable for Ad-hoc Wireless Networks. Some specific routing protocols were thus defined for ad-hoc networks taking into account their particularities. This is in contrast to older network technologies in which some ...
... mobility of mobile nodes, classical routing protocols used on wired networks are not suitable for Ad-hoc Wireless Networks. Some specific routing protocols were thus defined for ad-hoc networks taking into account their particularities. This is in contrast to older network technologies in which some ...
IP address
... Now for some reason or another, we're going to send the bytes across only four bytes at a time. In other words, this data will flow across in thee packets. The First Packet ABCD The Second Packet EFGH The Third Packet IJ Each alphabet is given a number and this will be it's sequence number. A B C D ...
... Now for some reason or another, we're going to send the bytes across only four bytes at a time. In other words, this data will flow across in thee packets. The First Packet ABCD The Second Packet EFGH The Third Packet IJ Each alphabet is given a number and this will be it's sequence number. A B C D ...
Tapestry: A Resilient Global-scale Overlay for Service Deployment
... (KBR) interface, that supports deterministic routing of messages to a live node that has responsibility for the destination key. They can also support higher level interfaces such as a distributed hash table (DHT) or a decentralized object location and routing (DOLR) layer [3]. These systems scale w ...
... (KBR) interface, that supports deterministic routing of messages to a live node that has responsibility for the destination key. They can also support higher level interfaces such as a distributed hash table (DHT) or a decentralized object location and routing (DOLR) layer [3]. These systems scale w ...
An Incentive Driven Lookup Protocol For Chord-Based Peer-to-Peer (P2P) Networks
... We consider a Chord-based P2P network model and describe a novel strategy for carrying out lookups in such networks. Our proposed scheme provides an efficient and natural means to prevent free-riding problem in Chord without requiring any prior trust relationship among nodes. Therefore, it incurs lo ...
... We consider a Chord-based P2P network model and describe a novel strategy for carrying out lookups in such networks. Our proposed scheme provides an efficient and natural means to prevent free-riding problem in Chord without requiring any prior trust relationship among nodes. Therefore, it incurs lo ...
Packets and Protocols - St. Clair County Community College
... – Tags and identifies protocols - interfaces with upper layers – Think of it as a universal adapter ...
... – Tags and identifies protocols - interfaces with upper layers – Think of it as a universal adapter ...
Training 204
... client application requests membership in a multicast group; only those members will receive the multicast traffic ...
... client application requests membership in a multicast group; only those members will receive the multicast traffic ...
WGN06-IP13 APC-WP-N1 IPv6-Mobility-Ivancic
... Analysis document explaining what are the limitations for mobile hosts using multiple simultaneous Care-of Addresses and Home Agent addresses using Mobile IPv6, whether issues are specific to Mobile IPv6 or not [Informational]. A protocol extension to Mobile IPv6 (RFC 3775) and NEMO Basic Support (R ...
... Analysis document explaining what are the limitations for mobile hosts using multiple simultaneous Care-of Addresses and Home Agent addresses using Mobile IPv6, whether issues are specific to Mobile IPv6 or not [Informational]. A protocol extension to Mobile IPv6 (RFC 3775) and NEMO Basic Support (R ...
Presentation on Mobile-IP Mobile Networking Ad Hoc Network
... Analysis document explaining what are the limitations for mobile hosts using multiple simultaneous Care-of Addresses and Home Agent addresses using Mobile IPv6, whether issues are specific to Mobile IPv6 or not [Informational]. A protocol extension to Mobile IPv6 (RFC 3775) and NEMO Basic Support (R ...
... Analysis document explaining what are the limitations for mobile hosts using multiple simultaneous Care-of Addresses and Home Agent addresses using Mobile IPv6, whether issues are specific to Mobile IPv6 or not [Informational]. A protocol extension to Mobile IPv6 (RFC 3775) and NEMO Basic Support (R ...
Slide 1
... • Multi-user detection significantly enhances random access performance (2 or 3 users, relatively simple SP), e.g., [Adireddy, Tong, 02] • Dual-channel transceiver e.g., busy-tones in random access (CSMA-MA) ...
... • Multi-user detection significantly enhances random access performance (2 or 3 users, relatively simple SP), e.g., [Adireddy, Tong, 02] • Dual-channel transceiver e.g., busy-tones in random access (CSMA-MA) ...
XORs in the Air: Practical Wireless Network Coding
... ◦ Piggybacks on 802.11 Unicast That means it Unicasts packets meant for Broadcast. ◦ Link-layer dest field is sent to the MAC address of one of the intended recipients, with an XOR-header added afterward, listing all the next-hops. (All nodes hear this packet) ◦ If the recipient receives a packet wi ...
... ◦ Piggybacks on 802.11 Unicast That means it Unicasts packets meant for Broadcast. ◦ Link-layer dest field is sent to the MAC address of one of the intended recipients, with an XOR-header added afterward, listing all the next-hops. (All nodes hear this packet) ◦ If the recipient receives a packet wi ...
MobilityFirst_ArchSummary_2012
... the Internet. Thus the name resolution and routing protocols should be able to deal with periods of disconnection in a robust manner. Heterogeneous Wireless Access: Heterogeneity is a basic property of the wireless/mobile environment for which the MobilityFirst protocol is designed. Differences in r ...
... the Internet. Thus the name resolution and routing protocols should be able to deal with periods of disconnection in a robust manner. Heterogeneous Wireless Access: Heterogeneity is a basic property of the wireless/mobile environment for which the MobilityFirst protocol is designed. Differences in r ...
Document
... Dynamic range of the signals is very large, so that a transmitting station cannot effectively distinguish incoming weak signals from noise and the effects of its own transmissions Cell size (frequency reuse) ...
... Dynamic range of the signals is very large, so that a transmitting station cannot effectively distinguish incoming weak signals from noise and the effects of its own transmissions Cell size (frequency reuse) ...
Routing Concept
... protocol. • BGP advertises complete paths (a list of AS’s). • Example of path advertisement: • “The network 171.64/16 can be reached via the path ...
... protocol. • BGP advertises complete paths (a list of AS’s). • Example of path advertisement: • “The network 171.64/16 can be reached via the path ...
PowerPoint - David Hales
... Selfish myopic behaviour causes nodes to migrate to more cooperative clusters and adopt cooperative strategies. Bad guys end-up alone or surrounded by other bad guys. being a bad guy is not a sustainable strategy However, at any given point in time a small number of bad guys are doing “better” than ...
... Selfish myopic behaviour causes nodes to migrate to more cooperative clusters and adopt cooperative strategies. Bad guys end-up alone or surrounded by other bad guys. being a bad guy is not a sustainable strategy However, at any given point in time a small number of bad guys are doing “better” than ...