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Optimization of Network Firewall Policies Using Directed Acyclical Graphs

whitepaper To maintain integrity, this paper will model the rule set as a Directed Acyclical Graph (DAG), where vertices are firewall rules and edges indicate precedence relationships. This paper introduces a new method to improve the performance of list...

Tags: firewalls

[11 May 2008]

The Weekly Round-Up: 04.04.08

Round-Up The avatars sat quietly, fingering the edges of their vorpal blades while their comments were displayed at the bottom of the screen. You're not always taken entirely seriously when you have wings, antlers and don't exist.

Tags: microsoft, apple, vista, hmrc

[04 Apr 2008]

How Cisco IT Builds End-to-End QoS Into Its Network

whitepaper Keeping in mind its primary goal of building QoS based on trusted network edges, the Cisco IT design team established other requirements for QoS V2, including: Consistent performance and management standards across the LAN and WAN networks, the...

Tags: local area networks (lan)

[04 Mar 2008]

Network Monitoring Using Traffic Dispersion Graphs (TDGs)

whitepaper TDGs model the social behavior of hosts ("Who talks to whom"), where the edges can be defined to represent different interactions (e.g.the exchange of a certain number or type of packets). Monitoring network traffic and detecting unwanted...

Tags: monitoring systems

[03 Mar 2008]

Webcast: Collaboration on the Edges -- How IBM Lotus Connections is Helping the Network Centric Operations Industry Consortium Foster Knowledge-sharing

whitepaper Users can broaden their collaborative outreach and establish knowledge-sharing networks that tap into an organization's collective intelligence and enable richer ad hoc collaboration 'on the edges'. Learn how IBM Lotus Connections is providing new...

Tags: knowledge and data management

[18 Feb 2008]

Jumbo Store: Providing Efficient Incremental Upload and Versioning for a Utility Rendering Service

whitepaper The paper has developed a new storage system called the Jumbo Store (JS) based on encoding directory tree snapshots as graphs called HDAGs whose nodes are small variable-length chunks of data and whose edges are hash pointers.

Tags: storage management

[14 Feb 2008]

Mobile World Congress 2008 Diary - Wednesday

Comment They have it running on a rather fetching prototype Qwerty handset - it's white and has rounded, toy-like edges as if to say: 'I'm a kitten, not an iPhone killer.purrr! Welcome to day three - the day of the clammy handshake.

Tags: mobile, google, iphone, blackberry

[14 Feb 2008]

Coordination Between Parallel TCP Streams on Long Fat Pipe Network

whitepaper To equalize throughput of parallel streams, the paper proposes "Dulling Edges of Cooperative Parallel streams (DECP)". "Data Reservoir" is a file sharing facility system which uses parallel streams for huge data transfer on Long Fat Pipe Network.

Tags: tcp - ip

[14 Jan 2008]

Passive Identification and Analysis of TCP Anomalies

whitepaper This paper applies the proposed heuristic to traffic traces collected at both networks edges and backbone links. This paper focuses on passive measurements of TCP traffic, main component of traffic. It proposes a heuristic technique for the...

Tags: tcp - ip

[26 Dec 2007]

Cisco Full Service Branch Networks in Government: Creating an Intelligent Platform for Operational Excellence in European E-Government

whitepaper This infrastructure has to securely transmit sensitive information, and deliver mission-critical applications at the same high speed to big, central organizations as well as smaller user groups at the network edges.

Tags: network operating systems, flexibility, high speed, branch

[12 Dec 2007]

HP Parallel Library TCP/IP Software

whitepaper Perhaps less obvious are the demands that this rapid growth of network bandwidth available both at the edges as well as at the interior of the Internet has placed on the computing resources that provide those services.

Tags: bandwidth issues

[05 Dec 2007]

Providing Throughput Differentiation for TCP Flows Using Adaptive Two-Color Marking and Two-Level AQM

whitepaper This paper proposes a new paradigm for a Differential Service (DiffServ) network consisting of two-color marking at the edges of the network using token buckets coupled with differential treatment in the core.

Tags: tcp - ip, core, flow, rates

[30 Oct 2007]

Fixed Point of a TCP/RENO DiffServ Network With a Single Congested Link

whitepaper The DiffServ network under consideration run TCP RENO, uses a multi-PI AQM for marking at the core and token bucket for coloring at the edges. Before proceeding with the fixed point problem, the paper describes a limitation of the current leaky...

Tags: point, bucket, tcp reno, leaky

[30 Oct 2007]

An Empirical Evaluation of Wide-Area Internet Bottlenecks

whitepaper Conventional wisdom has been that the performance limitations in the current Internet lie at the edges of the network - i.e.last mile connectivity to users, or access links of stub ASes. As these links are upgraded, however, it is important to...

Tags: bandwidth issues

[20 Oct 2007]

Photoshop CS2 Raw: Reducing Noise, Correcting Chromatic Aberrations & Controlling Vignetting

whitepaper Chromatic aberrations appear in transitional tonal areas as colored halos, color banding, or purple fringing (especially around backlit edges). Vignetting - darkening around image edges - occurs with a filter/lens/sensor mismatch.

Tags: graphics applications, image, noise, edges

[17 Oct 2007]

Flash Hacks: Add a Vector Edge to a Bitmap

whitepaper For some images (particularly logos or other graphics that contain text or a "Spiky" edge rather than the smoothly curving butterfly wing), the feathering technique loses the sharp edges of the original.

Tags: graphics applications, vector, graphics, edge

[10 Oct 2007]

Vista: Can Service Pack 1 spur adoption?

Vista: Can Service Pack 1 spur adoption?

News The first Vista service pack may serve dual purposes for Microsoft: fixing the operating system's rough edges while simultaneously indicating that it's ready for mass adoption. Microsoft initially downplayed the importance of service packs in an...

Tags: migration, microsoft, sp1, windows

[04 Sep 2007]

Using Aerial Photographs for Improved Mobile AR Annotation

whitepaper This paper examines three types of aerial photograph features - corners, edges, and regions - that are suitable for a wide variety of useful mobile augmented reality applications, and are easily visible on aerial photographs.

Tags: data visualization, reality, photographs, augmented

[03 Sep 2007]

Using Aerial Photographs for Improved Mobile AR Annotation

whitepaper This paper examines three types of aerial photograph features - corners, edges, and regions - that are suitable for a wide variety of useful mobile augmented reality applications, and are easily visible on aerial photographs.

Tags: reality, photographs, augmented, aerial

[13 Aug 2007]

Connecting Microsoft Mobile Devices to Java Infrastructures

whitepaper Middsol's MinCor.NET, although a young product and still a little rough around the edges, is a powerful tool that connects one's .Net application to a vast selection of CORBA-enabled targets, including J2EE Enterprise beans and RMI objects...

Tags: java, .net, compact framework, .net application

[06 Jul 2007]

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