TCP/IP and Internetworking
... • A router R can not always assume that the most recently received LSP from S is the most recently generated by S (two LSP’s may travel different paths). • Possible solutions: – use of timestamp – use of sequence numbers – use of AGE field: starts at some initial value and gets decremented as it is ...
... • A router R can not always assume that the most recently received LSP from S is the most recently generated by S (two LSP’s may travel different paths). • Possible solutions: – use of timestamp – use of sequence numbers – use of AGE field: starts at some initial value and gets decremented as it is ...
Basic Concepts
... Figure 1-24: Cryptographic Protections • Message-by-Message Protections – Encryption to provide confidentiality so that an eavesdropper cannot reach intercepted messages – Electronic signatures provide message-by-message authentication to prevent the insertion of messages by an impostor after initi ...
... Figure 1-24: Cryptographic Protections • Message-by-Message Protections – Encryption to provide confidentiality so that an eavesdropper cannot reach intercepted messages – Electronic signatures provide message-by-message authentication to prevent the insertion of messages by an impostor after initi ...
Internetworking, higher layer protocols TCP/IP and ATM Eytan Modiano Massachusetts Institute of Technology
... All packets associated with a session follow the same path Route is chosen at start of session Packets are labeled with a VC# designating the route The VC number must be unique on a given link but can change from link to link Imagine having to set up connections between 1000 nodes in a mesh Unique V ...
... All packets associated with a session follow the same path Route is chosen at start of session Packets are labeled with a VC# designating the route The VC number must be unique on a given link but can change from link to link Imagine having to set up connections between 1000 nodes in a mesh Unique V ...
ppt
... Attackers exist in the network that are interested in preventing traffic from reaching the target. These attackers have the ability to launch DoS attacks from a variety of points around the wide area network called compromised locations. The number and bandwidth capabilities of these compromised loc ...
... Attackers exist in the network that are interested in preventing traffic from reaching the target. These attackers have the ability to launch DoS attacks from a variety of points around the wide area network called compromised locations. The number and bandwidth capabilities of these compromised loc ...
DatagramPacket packet
... Packets may travel along different paths depending on the state of the network. No two packets are guaranteed the same route. Each packet has a time-to-live (TTL) counter, which is updated when it is routed along to the next point in the network. When the timer expires, it will be discarded, an ...
... Packets may travel along different paths depending on the state of the network. No two packets are guaranteed the same route. Each packet has a time-to-live (TTL) counter, which is updated when it is routed along to the next point in the network. When the timer expires, it will be discarded, an ...
Part I: Introduction
... IP addresses: how to get one? Network (network portion): get allocated portion of ISP’s address space: ISP's block ...
... IP addresses: how to get one? Network (network portion): get allocated portion of ISP’s address space: ISP's block ...
Chapter 1 Fundamentals
... Flow control: synchronize sender and receiver (hop-byhop or end-to-end) Congestion control: synchronize a set of senders and the ...
... Flow control: synchronize sender and receiver (hop-byhop or end-to-end) Congestion control: synchronize a set of senders and the ...
Chapter 2 Protocols and Architecture
... • Each layer relies on the next lower layer to perform more primitive functions — such as application layer relies on transport layer to send the data and commands.. ...
... • Each layer relies on the next lower layer to perform more primitive functions — such as application layer relies on transport layer to send the data and commands.. ...
Solution
... its value is 1, it means there are more fragments after this one. If its value is 0, it means this is the last or only fragment. Fragmentation Offset: shows the relative position of this fragment with respect to the whole datagram, measured in units of 8 bytes. ❑ Time-to-live: Due to some malfunctio ...
... its value is 1, it means there are more fragments after this one. If its value is 0, it means this is the last or only fragment. Fragmentation Offset: shows the relative position of this fragment with respect to the whole datagram, measured in units of 8 bytes. ❑ Time-to-live: Due to some malfunctio ...
PSAX family brochure.qxd - Convergent Communications (India)
... the complexities of ATM from end users while allowing the service provider to maintain QoS guarantees for all types of applications. It supports ATM access rates from T-1/E-1 to OC-3/STM-1, including T-1/E-1 inverse multiplexing for ATM (IMA), providing investment protection as bandwidth requirement ...
... the complexities of ATM from end users while allowing the service provider to maintain QoS guarantees for all types of applications. It supports ATM access rates from T-1/E-1 to OC-3/STM-1, including T-1/E-1 inverse multiplexing for ATM (IMA), providing investment protection as bandwidth requirement ...
Slides - UB Computer Science and Engineering
... planning trip from source to dest forwarding: process of getting through single interchange ...
... planning trip from source to dest forwarding: process of getting through single interchange ...
On IPv6 support in OpenFlow via Flexible Match Structures
... IPv6 [6] was designed with extensibility in mind. In addition to more efficient forwarding,the improved support for extensions and options in IPv6 allows a greater flexibility for introducing new options in the future. Basically, the functionality of options and other rarely used fields is removed f ...
... IPv6 [6] was designed with extensibility in mind. In addition to more efficient forwarding,the improved support for extensions and options in IPv6 allows a greater flexibility for introducing new options in the future. Basically, the functionality of options and other rarely used fields is removed f ...
A Brief Survey of Radio Access Network Backhaul Evolution: Part I
... On the other hand, an MSS/MSR may utilize MPLS to transport multiple payload types over Ethernet uplinks. In this context, Pseudo-wire emulation edge-to-edge (PWE3) [7], and the associated set of protocols, can be used to transport TDM or Ethernet payloads. To provide capability of multi-service tra ...
... On the other hand, an MSS/MSR may utilize MPLS to transport multiple payload types over Ethernet uplinks. In this context, Pseudo-wire emulation edge-to-edge (PWE3) [7], and the associated set of protocols, can be used to transport TDM or Ethernet payloads. To provide capability of multi-service tra ...
Nortel Networks Passport 7400 Series Multiservice Switch
... Passport delivers carrier-grade reliability for both hardware and software, even in networks with more than 3,000 nodes. It limits downtime so there is virtually no impact to services during equipment outages or software migration. And Passport extends existing Layer 2 OAM&P capabilities to Layer 3 ...
... Passport delivers carrier-grade reliability for both hardware and software, even in networks with more than 3,000 nodes. It limits downtime so there is virtually no impact to services during equipment outages or software migration. And Passport extends existing Layer 2 OAM&P capabilities to Layer 3 ...
Geographical Routing in Intermittently Connected Ad
... wireless networks between parties that cannot directly communicate with each other and where there is no fixed infrastructure. Mobile ad hoc networking can be useful in disaster scenarios or during military maneuvers. They could also be imagined in urban settings where you would like to create peer ...
... wireless networks between parties that cannot directly communicate with each other and where there is no fixed infrastructure. Mobile ad hoc networking can be useful in disaster scenarios or during military maneuvers. They could also be imagined in urban settings where you would like to create peer ...
3rd Edition: Chapter 4
... Our routing study thus far - idealization all routers identical network “flat” … not true in practice scale: with 200 million destinations: can’t store all dest’s in ...
... Our routing study thus far - idealization all routers identical network “flat” … not true in practice scale: with 200 million destinations: can’t store all dest’s in ...