WHAT IS THIS SITE ABOUT?

This site is here to help the DC community get the most out of the top notch file sharing program DC++. This site contains a set of DC++ hub lists , DC++ information.

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Industrial Hub

The inner peak of the W represents the Industrial Hub, where the region's Industrial Estates and Economic Zones serve as magnets for investments. The industrial corridor of about 10,000 hectares plays host to skills-intensive and technologically-advanced industries.

The industrial hub supports the region's vision to become the industrial heartland and the next transshipment hub in the Asia Pacific region. Its main anchor is the Clark Special Economic Zone.

The main catalysts for development in the industrial hub are the region's seaport and international airport which can very well support Central Luzon's projected role of becoming an alternate transshipment hub in Asia next to Hong Kong and Singapore.

WHAT IS DC?

Direct connect is a peer-to-peer file-sharing protocol. The most popular Windows client implementing this protocol currently is DC++. Direct connect clients connect to a central hub (usually on port 411) and can download files directly from one machine to another.

Direct connect clients connect to a central hub and can download files directly from one user to another.

hubs feature a list of clients or users connected to them. Users can search for files and download them from other clients, as well as chat with other users.

Direct connect hubs are central servers to which clients connect, thus the networks are not as de-centralised as Gnutella or FastTrack. hubs provide information about the clients, as well as file searching and chat capabilities. File transfers are done directly between clients, in true peer-to-peer fashion.

hubs often have special areas of interest. Many have requirements on the total size of the files that their members share (share size), and restrictions on the content and quality of shares. hubs can allow users to register and provide user authentication. Some private reghubs only let in users already registered.

Direct connect hubs have difficulty scaling, due to the broadcast-centricity of the protocol.

DC++ announces the freedom to share! DC++ is an open source client for Windows for the Direct Connect network. Direct Connect allows you to share files over the Internet without restrictions or limits. The client is completely free of advertisements and has a nice, easy to use interface. Firewall and router support is integrated and it is easy and convenient to use functionality like multi-hub connections, auto-connections and resuming of downloads.

Network Switching

Switches can be a valuable asset to networking. Overall, they can increase the capacity and speed of your network. However, switching should not be seen as a cure-all for network issues. Before incorporating switching into your network, you must first ask yourself two important questions: First, how can you tell if your network will benefit from switching? Second, how do you add switches to your network design to provide the most benefit?
This tutorial is written to answer these questions. Along the way, we'll describe how switches work, and how they can both harm and benefit your networking strategy. We’ll also discuss different network types, so you can profile your network and gauge the potential benefit of switching for your environment.

What is a Switch?

Switches occupy the same place in the network as hubs. Unlike hubs, switches examine each packet and process it accordingly rather than simply repeating the signal to all ports. Switches map the Ethernet addresses of the nodes residing on each network segment and then allow only the necessary traffic to pass through the switch. When a packet is received by the switch, the switch examines the destination and source hardware addresses and compares them to a table of network segments and addresses. If the segments are the same, the packet is dropped or "filtered"; if the segments are different, then the packet is "forwarded" to the proper segment. Additionally, switches prevent bad or misaligned packets from spreading by not forwarding them.

Filtering packets and regenerating forwarded packets enables switching technology to split a network into separate collision domains. The regeneration of packets allows for greater distances and more nodes to be used in the total network design, and dramatically lowers the overall collision rates. In switched networks, each segment is an independent collision domain. This also allows for parallelism, meaning up to one-half of the computers connected to a switch can send data at the same time. In shared networks all nodes reside in a single shared collision domain.

Easy to install, most switches are self learning. They determine the Ethernet addresses in use on each segment, building a table as packets are passed through the switch. This "plug and play" element makes switches an attractive alternative to hubs.

Switches can connect different network types (such as Ethernet and Fast Ethernet) or networks of the same type. Many switches today offer high-speed links, like Fast Ethernet, which can be used to link the switches together or to give added bandwidth to important servers that get a lot of traffic. A network composed of a number of switches linked together via these fast uplinks is called a "collapsed backbone" network.

Dedicating ports on switches to individual nodes is another way to speed access for critical computers. Servers and power users can take advantage of a full segment for one node, so some networks connect high traffic nodes to a dedicated switch port.

Full duplex is another method to increase bandwidth to dedicated workstations or servers. To use full duplex, both network interface cards used in the server or workstation and the switch must support full duplex operation. Full duplex doubles the potential bandwidth on that link.

Network Congestion

As more users are added to a shared network or as applications requiring more data are added, performance deteriorates. This is because all users on a shared network are competitors for the Ethernet bus. A moderately loaded 10 Mbps Ethernet network is able to sustain utilization of 35 percent and throughput in the neighborhood of 2.5 Mbps after accounting for packet overhead, inter-packet gaps and collisions. A moderately loaded Fast Ethernet or Gigabit Ethernet shares 25 Mbps or 250 Mbps of real data in the same circumstances. With shared Ethernet and Fast Ethernet, the likelihood of collisions increases as more nodes and/or more traffic is added to the shared collision domain.

Ethernet itself is a shared media, so there are rules for sending packets to avoid conflicts and protect data integrity. Nodes on an Ethernet network send packets when they determine the network is not in use. It is possible that two nodes at different locations could try to send data at the same time. When both PCs are transferring a packet to the network at the same time, a collision will result. Both packets are retransmitted, adding to the traffic problem. Minimizing collisions is a crucial element in the design and operation of networks. Increased collisions are often the result of too many users or too much traffic on the network, which results in a great deal of contention for network bandwidth. This can slow the performance of the network from the user’s point of view. Segmenting, where a network is divided into different pieces joined together logically with switches or routers, reduces congestion in an overcrowded network by eliminating the shared collision domain.

Collision rates measure the percentage of packets that are collisions. Some collisions are inevitable, with less than 10 percent common in well-running networks.

The Factors Affecting Network Efficiency:

• Amount of traffic
• Number of nodes
• Size of packets
• Network diameter

Measuring Network Efficiency:

• Average to peak load devition
• Collision Rate
• Utilization Rate

Utilization rate is another widely accessible statistic about the health of a network. This statistic is available in Novell's console monitor and WindowsNT performance monitor as well as any optional LAN analysis software. Utilization in an average network above 35 percent indicates potential problems. This 35 percent utilization is near optimum, but some networks experience higher or lower utilization optimums due to factors such as packet size and peak load deviation.

A switch is said to work at "wire speed" if it has enough processing power to handle full Ethernet speed at minimum packet sizes. Most switches on the market are well ahead of network traffic capabilities supporting the full "wire speed" of Ethernet, 14,480 pps (packets per second), and Fast Ethernet, 148,800 pps.

First time user?

DC++ is a highly ranked piece of software among the projects hosted at Sourceforge. With over thirty five million downloads, new users continue to find benefits from the software every day. If you're new to DC++ don't hesitate to take a moment to browse the forum (currently offline) or read the frequently asked questions. However, the simplicity of the software user interface will help you get started in no-time.

What is Neo-Modus Direct Connect?

Direct Connect v1 was released September 2001. It was the first client to implement the Direct Connect protocol, which John Hess created. The author decided to implement an Ad banner inside the client to help pay for expenses (aka Adware). This client will be referred to as NMDC throughout this FAQ.

Direct Connect v2 was released in July 2003. It kept the same look as version 1, fixed bugs and incorporated several DC++ features. This client will be referred to as NMDCv2 in this FAQ

The Neo-Modus Direct Connect website was sold and is no longer is operational. While the NMDC client still works, you won't find anyone using it anymore. The DC++ client (and its mods) are now the de facto standard for the Direct Connect protocol

First time user?

DC++ is a highly ranked piece of software among the projects hosted at Sourceforge. With over thirty five million downloads, new users continue to find benefits from the software every day. If you're new to DC++ don't hesitate to take a moment to browse the forum (currently offline) or read the frequently asked questions. However, the simplicity of the software user interface will help you get started in no-time.

WHAT IS ADC?

ADC is a new protocol for the DC++ client. It is still under development. The specifications of the protocol can be found here. It potentially adds the capability to do the following:

• Different shares in each hub.
• Nickname changing without having to reconnect.
• Encryption (chatting / file transfers).
• Authentication without plaintext password transmission.
• Advanced searching using regular expressions.
• Higher hub user counts, due to the lack of MyINFO which takes up a considerable amount of bandwidth.

A "hub" is a piece of software that routes chat and search requests/results and facilitates clients to connect each other. It's not called a server because it doesn't share any files. All file transfers are being made directly between clients, not through the hub.

File sharing

The ultimate file sharing client for the Direct Connect Network, DC++ has fast established itself as the defacto standard client for Direct Connect.

With features such as connecting to multiple Direct Connect hubs simultaneously, searching through multiple hubs, and incredibly easy-to-use interface, DC++ is a joy to use. DC++ Ultra Speed is an innovatory download-acceleration program that will make your life better by speeding up DC++ downloads and faster finding the files you want.

Version 0.304 features faster hub connectivity, and a few bugs: fixed missing user commands, invalid date, a bug in autosearch. DC++ MP3 Finder is a FREE software based on the original DC++. It utilizes highly popular in P2P networks Direct Connect protocol that allows users to quickly search and share their files over the internet. DC++ MP3 Finder comes with improved user interface and optimized search functionality that will make your MP3 search much more efficient. It supports resuming of interrupted downloads, file integrity checking, has built-in chat system.