Catch the Phillies Phever World Series 2008 Unique Collectibles and T's

Archive for the 'Information Technologies' Category

CVS Migration

Thursday, July 12th, 2007

CVS can do a lot of other things - I hope to learn to use it for email migration.

The official CVS site is at http://www.cvshome.org/, and the manual is here.

Ximbiot is a consulting and support company for CVS (The Concurrent Versions System).

It fills a similar role to the free software RCS, PRCS, and Aegis packages.

Cvsplot is used for collecting statistics from CVS controlled files.
Simple statistics such as how the total number of files and lines of code change against time. http://cvsplot.sourceforge.net

RTP&SIP

Wednesday, July 11th, 2007

two great misunderstood protocols that should really pair up!

http://en.wikipedia.org/wiki/Real-time_Transport_Protocol

http://www.sipfoundry.org/ Open source VOIP

howto configure Click to dial on sipX

list of SIP warez

So now that we have a good look at establishing in the Session Description Protocol (SDP) as a driver for compatibility negotiation to bridge a media connection for transport-level endpoint mapping of any media payload format, how can we carry RTP across it… ?

“RTP: A Transport Protocol for Real-Time Applications”, RFC 3550, July 2003.
Note that RTP itself does not provide any mechanism to ensure timely delivery or provide other quality-of-service guarantees, but relies on lower-layer services to do so. that is why we target the use and flexibility of the lightweight SIP/SDP.

RTP is a protocol framework that is deliberately not complete. Therefore we can INVENT new uses such as this post attempts !

If both audio and video media are used in a conference, they are transmitted as separate RTP sessions. That is, separate RTP and RTCP packets are transmitted for each medium using two different UDP port pairs and/or multicast addresses. There is no direct coupling at the RTP level between the audio and video sessions, except that a user participating in both sessions should use the same distinguished (canonical) name in the RTCP packets for both so that the sessions can be associated.
An RTP mixer would not be able to combine interleaved streams of incompatible media into one stream.

receivers require a CNAME to keep track of each participant

http://packetdesign.com/

http://bluecoat.com/
perhaps I can write a widget that takes advantage of DOjO

SVCHost Listing Control

Tuesday, May 8th, 2007

To view the list of services that are running in Svchost:

1. Click Start on the Windows taskbar, and then click Run.
2. In the Open box, type CMD, and then press ENTER.
3. Type Tasklist /SVC, and then press ENTER

Tasklist displays a list of active processes. The /SVC switch shows the list of active services in each process. For more information about a process, type the following command, and then press ENTER:

Tasklist /FI “PID eq processID (with the quotation marks)

Bitroll is BAD !

Wednesday, April 18th, 2007

Bitroll is a new bittorrent client thats just recently shown it’s ugly face, which is forcing people to install it in order to get access to passworded torrent files, however Bitroll is a trojan virus.

Do NOT install this under any circumstances. If you have downloaded a passworded file, Delete it. Just imagine how upset you will be when your computer is infected with this virus and you find out the torrent password doesn’t even work.

wireless 101

Monday, March 5th, 2007

Many of my friends and clients still have trouble with thier WLANs so heres some resources

I could take forever to write a how-to on this …

but I will be smart here and share a very helpful link that breaks the steps down easy check it out

http://www.microsoft.com/athome/moredone/wirelesssetup.mspx

and for a really good deal on Wireless G routers::.

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2860584&sku=L48-2230%20ISS%20P&CMP=ILC-FOT03

neato linkx

Tuesday, November 1st, 2005

 

A Clear intermittent oversight…

Wednesday, May 12th, 2004

When discussing wireless LAN speeds, it is important to understand that data rates do not
equate to actual network throughput. The data rate for the IEEE 802.11a standard, for example,
is 54 Mbps. Actual throughput, however, is closer to 20 Mbps to 30 Mbps.

Why the difference?

There could be several reasons for this discrepancy, but the primary cause is due to the wireless
LAN protocol and its associated overhead. As with Ethernet, wireless LANs are based on a
Carrier Sense Multiple Access network protocol.

But unlike Ethernet which implements a Collision Detection scheme (where data is retransmitted if a collision is detected), wireless LANs implement a Collision Avoidance scheme (where data is only sent when the air is free).

This CSMA/CA protocol, as defined, does not allow for simultaneous, two-way traffic. Thus, while Optical Wireless solutions are ?full-duplex,? RF solutions are, by their very nature, ?half-duplex.?

Thus, an 11 Mbps IEEE 802.11b network will, on average, have an effective throughput of only 4
Mbps to 6 Mbps, while a 54 Mbps IEEE 802.11a network has a resulting throughput of 20 Mbps
to 30 Mbps.

Protected: Video Codecs

Thursday, June 7th, 2001

This post is password protected. To view it please enter your password below: