Institutionen för systemteknik
... router (very high speed and large routing tables) on an FPGA. Once the project was started it became clear that typical core router performance wouldn’t be achieved. The goal was than changed to implementation of a router having two gigabit Ethernet ports that should cope with worst case conditions. ...
... router (very high speed and large routing tables) on an FPGA. Once the project was started it became clear that typical core router performance wouldn’t be achieved. The goal was than changed to implementation of a router having two gigabit Ethernet ports that should cope with worst case conditions. ...
Linux Multilayer Switchin with LiSA
... • the IP stack and routing were already implemented; • the LiSA system no longer needed to be dedicated; any PC would just do, and it could also be used for other tasks at the same time. We tried to use as much as possible from the linux kernel, without affecting switching performance. As we have al ...
... • the IP stack and routing were already implemented; • the LiSA system no longer needed to be dedicated; any PC would just do, and it could also be used for other tasks at the same time. We tried to use as much as possible from the linux kernel, without affecting switching performance. As we have al ...
NetMap: A Novel Framework for Fast Packet I/O
... high rate raw packet I/O required by these applications is not the intended target of general purpose OSes. Raw sockets, the Berkeley Packet Filter [14] (BPF), the AF SOCKET family, and equivalent APIs have been used to build all sorts of network monitors, traffic generators, and generic routing sys ...
... high rate raw packet I/O required by these applications is not the intended target of general purpose OSes. Raw sockets, the Berkeley Packet Filter [14] (BPF), the AF SOCKET family, and equivalent APIs have been used to build all sorts of network monitors, traffic generators, and generic routing sys ...
Lecture3P1 - UniMAP Portal
... Peer-to-Peer Protocols and Data Link Layer PART I: Peer-to-Peer Protocols Peer-to-Peer Protocols and Service Models ARQ Protocols and Reliable Data Transfer ...
... Peer-to-Peer Protocols and Data Link Layer PART I: Peer-to-Peer Protocols Peer-to-Peer Protocols and Service Models ARQ Protocols and Reliable Data Transfer ...
IPv6 Land Speed Record
... Responsiveness to packet losses is proportional to the square of the RTT (Round Trip Time): R=C*(RTT**2)/2*MSS (where C is the link capacity and MSS is the max segment size). This is not a real problem for standard traffic on a shared link, but a serious penalty for long distance transfers of large ...
... Responsiveness to packet losses is proportional to the square of the RTT (Round Trip Time): R=C*(RTT**2)/2*MSS (where C is the link capacity and MSS is the max segment size). This is not a real problem for standard traffic on a shared link, but a serious penalty for long distance transfers of large ...
Remi Ando, Tutomu Murase, Masato Oguchi
... ssthresh is flexibly set by using the target bandwidth cwnd is led to keep the target bandwidth, and kept large as much as possible even in packet loss it avoids congestion collapsing ...
... ssthresh is flexibly set by using the target bandwidth cwnd is led to keep the target bandwidth, and kept large as much as possible even in packet loss it avoids congestion collapsing ...
Utility-Maximizing Data Dissemination in Socially Selfish
... differential queue backlog, have been widely applied for utility maximization in multi-hop wireless networks [3], [4], [6], [21], [23]. It has been shown that optimal throughput can be achieved, however without finite buffer guarantees. Venkataramanan et al. [21] suggested a way to minimize the cumu ...
... differential queue backlog, have been widely applied for utility maximization in multi-hop wireless networks [3], [4], [6], [21], [23]. It has been shown that optimal throughput can be achieved, however without finite buffer guarantees. Venkataramanan et al. [21] suggested a way to minimize the cumu ...
Reducing Data Copies between GPUs and NICs
... library to solve the multiple data copying problem between InfiniBand [7]—a special NIC that is usually used for connection between processors and high-performance I/O such as storage devices—and GPU memory. However, InfiniBand and Ethernet NIC are very different. For example, to guarantee reliable ...
... library to solve the multiple data copying problem between InfiniBand [7]—a special NIC that is usually used for connection between processors and high-performance I/O such as storage devices—and GPU memory. However, InfiniBand and Ethernet NIC are very different. For example, to guarantee reliable ...
Application-Aware SoftWare AnomalyTreatment (SWAT)
... Application Aware Out-of-Bounds Detector • Address faults may result in long detection latencies – Corrupt address unallocated but in valid page – Many data value corruptions before symptoms • Low-cost out-of-bounds detector for HW faults – Amortize resiliency cost with SW bug detectors ...
... Application Aware Out-of-Bounds Detector • Address faults may result in long detection latencies – Corrupt address unallocated but in valid page – Many data value corruptions before symptoms • Low-cost out-of-bounds detector for HW faults – Amortize resiliency cost with SW bug detectors ...
Top-Ten Web Security Vulnerabilities
... Adding security to the application as an afterthought. This can be expensive than you think. Adding security later, Can change the way the features have been implemented Can change the application interface Can break the previously written code ...
... Adding security to the application as an afterthought. This can be expensive than you think. Adding security later, Can change the way the features have been implemented Can change the application interface Can break the previously written code ...
Building an in-depth defense with Vectra and sandbox security
... Botnet monetization occurs when the attacker controls a host for the purposes of making money through internal activities such as Bitcoin mining or external activities such as advertising click fraud. The presence of botnet monetization behavior indicates this is not a targeted attack and allows an ...
... Botnet monetization occurs when the attacker controls a host for the purposes of making money through internal activities such as Bitcoin mining or external activities such as advertising click fraud. The presence of botnet monetization behavior indicates this is not a targeted attack and allows an ...
Pattern matching in concatenative programming languages
... are not equal. • Simple inverses are the case where one word is replaced with one fixed piece of code for its inverse. The inverses here are looked up in a hashtable associated with each word, called the word properties. All words in Factor have this hashtable. For convenience, the word define-inver ...
... are not equal. • Simple inverses are the case where one word is replaced with one fixed piece of code for its inverse. The inverses here are looked up in a hashtable associated with each word, called the word properties. All words in Factor have this hashtable. For convenience, the word define-inver ...
slides ppt
... • The network acts to solve an optimization problem. – We can choose which optimization problem, by choosing the right buffer size & by changing TCP’s code. ...
... • The network acts to solve an optimization problem. – We can choose which optimization problem, by choosing the right buffer size & by changing TCP’s code. ...
Library Operating System with Mainline Linux Network Stack
... 4. Applications Since the LibOS is a library, which should be neutral as much as possible, it does not have a strong claim of its position as the use cases are defined by applications. But we highlight several use cases of LibOS in this section with our current experience during the development. ...
... 4. Applications Since the LibOS is a library, which should be neutral as much as possible, it does not have a strong claim of its position as the use cases are defined by applications. But we highlight several use cases of LibOS in this section with our current experience during the development. ...
Lecture (TCP)
... unused buffer space by including rwnd value in segment header ❒ sender: limits # of unACKed bytes to rwnd ...
... unused buffer space by including rwnd value in segment header ❒ sender: limits # of unACKed bytes to rwnd ...
Pointers to Functions - CS
... program supplied with this class Run them in DDD (or gdb) set breakpoints step through program force an assert, and see what happens ...
... program supplied with this class Run them in DDD (or gdb) set breakpoints step through program force an assert, and see what happens ...
Security
... Basics of Cryptography • The purpose of cryptography is to take a message or a file, called the plaintext, and encrypt it into the ciphertext in such a way that only authorized people know how to convert it back to the plaintext. • The secrecy depends on parameters to the algorithms called keys. ...
... Basics of Cryptography • The purpose of cryptography is to take a message or a file, called the plaintext, and encrypt it into the ciphertext in such a way that only authorized people know how to convert it back to the plaintext. • The secrecy depends on parameters to the algorithms called keys. ...
Survey of online attacks on E-Commerce sites
... Web based attacks are considered to be the greatest threat to the online business as it is related to confidentiality, availability, and integrity. The motive behind e-commerce attack is significantly different then other attacks; Web based attacks focus on an application itself and functions on lay ...
... Web based attacks are considered to be the greatest threat to the online business as it is related to confidentiality, availability, and integrity. The motive behind e-commerce attack is significantly different then other attacks; Web based attacks focus on an application itself and functions on lay ...
Transport
... unused buffer space by including rwnd value in segment header sender: limits # of unACKed bytes to rwnd ...
... unused buffer space by including rwnd value in segment header sender: limits # of unACKed bytes to rwnd ...