Monday, 16 April 2012

[bs-telecom] Digest Number 1714

Messages In This Digest (6 Messages)

Messages

1.

Sharing || please give us suggestion of  this post  OSI Layer

Posted by: "Peter Lops" peterlops@yahoo.com   peterlops

Mon Apr 16, 2012 7:25 am (PDT)





The International Standards Organization (ISO)

OSI
LAYERS

The International Standards Organization (ISO) has
defined a standard called the Open Systems Interconnection (OSI) reference
model. This is a seven layer architecture listed below. Each layer is
considered to be responsible for a different part of the communications. This
concept was developed to accommodate changes in technology. The layers are
arranged here from the lower levels starting with the physical (hardware) to
the higher levels.
 
•          
Application
•          
Presentation
•          
Session
•          
Transport
•          
Network
•          
Data Link
•          
Physical
 
Application Layer
•          
Serves as a window for applications to access network services.
•          
Handles general network access, flow control and error recovery.
 
Presentation Layer
•          
Determines the format used to exchange data among the networked computers.
•          
Translates data from a format from the Application layer into an intermediate
format.
•          
Responsible for protocol conversion, data translation, data encryption, data
compression, character conversion, and graphics expansion.
•          
Redirector operates at this level.
 
Session Layer
•          
Allows two applications running on different computers to establish use and end
a connection called a Session.
•          
Performs name recognition and security.
•          
Provides synchronization by placing checkpoints in the data stream.
•          
Implements dialog control between communicating processes.
 
Transport Layer
•          
Responsible for packet creation.
•          
Provides an additional connection level beneath the Session layer.
•          
Ensures that packets are delivered error free, in sequence with no losses or
duplications.
•          
Unpacks, reassembles and sends receipt of messages at the receiving end.
•          
Provides flow control, error handling, and solves transmission problems.
 
Network Layer
•          
Responsible for addressing messages and translating logical addresses and names
into physical addresses.
•          
Determines the route from the source to the destination computer.
•          
Manages traffic such as packet switching, routing and controlling the
congestion of data.
 
Data Link Layer
•          
Sends data frames from the Network layer to the Physical layer.
•          
Packages raw bits into frames for the Network layer at the receiving end.
•          
Responsible for providing error free transmission of frames through the
Physical layer.
 
Physical Layer
•          
Transmits the unstructured raw bit stream over a physical medium.
•          
Relates the electrical, optical mechanical and functional interfaces to the
cable.
•          
Defines how the cable is attached to the network adapter card.
•          
Defines data encoding and bit synchronization
 
 
Please give us some suggestions of  OSI Layer how to apply

Here is a link
bit.ly/HdnKXC

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2.

Sharing || Two Day Workshop on Satellite Communication System Worksh

Posted by: "adkhan100" adkhan100@yahoo.com   adkhan100

Mon Apr 16, 2012 7:36 am (PDT)



Military College of Signals, NUST is organizing a two day workshop on satellite communication on 26-27 April 2012 in collaboration with M/S Supernet ltd and IEEE Chapter Islamabad. It is primarily meant for industry professionals, researchers and students who are interested in developing a thorough understanding of the concepts and acquire practical training on various aspects of a Satellite Communication Systems. The workshop will be Lab oriented in addition to lectures. Participants will get hands-on-experience in the State of the Art Satellite Communications Lab.
A well experienced and qualified panel of experts will deliver a series of lectures on various aspects of Satellite Communication Systems. The crux of the course will be practical experiments on live satellite link, Satellite Link Budgeting exercises using Sat Master Pro, etc. An insight on newer approaches like Carrier-in-Carrier technology, Adaptive Modulation and Coding will be covered in depth.
The last date of registration is 19 April 2012.

However, interested persons are requested to contact in advance / register due to limited number of seats. For details please Workshop website, http://mcs.nust.edu.pk/satcomm2012. This workshop bears PEC CPD 1, In addition to certificate for participation.
I will be appreciated if this information is disseminated for maximum attendance.

Best Regards
Dr. Adnan Ahmed Khan
Electrical Engineering Department
Military College of Signals, NUST
+92 3215204266
http://mcs.nust.edu.pk/satcomm2012/

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3.

Job || VAS/SMSC Service Engineer//Ericsson || Saudi Arabia

Posted by: "Hasan Kaji" hasan.kaji@gmail.com   hasan_kaji

Mon Apr 16, 2012 7:36 am (PDT)



Dear Friends;

Sorry if this does not apply to you, Current Live Requirements at Saudi
Intelligent solutions. Please submit your resume to hk@sis-limited.com

Position: *VAS/SMSC Service Engineer **//E*

Location: Saudi Arabia

Job Description: See the below description

*

SMSC Service Engineer - VAS Job description

Responsibilities:

VAS Service Engineer is responsible for the overall Quality of Service,
performance data, SLA and KPIs in the Operations Centre. The
responsibilities cover the following:

· Real time monitoring of Service and Network quality and capacity.
Analyse and reporting of Service and Network quality.

· Initiate Service and Network improvements and optimisation
activities.

· Initiate temporary Service and Network reconfigurations, if
performance is not satisfactory.

· Drive tool development for delivery and management of new
services.

· Analyse failure trends and identify chronic failures.

· Provide performance data and determine impact of service problems
on service performance.

· Provide optimum use of the existing Networks.

· Recommend service redesign

Main activities:

The main activities are the following:

· Set up the performance measurements and quality thresholds from
statistics and CDRs

· Compile and analyse the performance data both in real time and
trend analysis

· Ensure that management tools have the functionality to support
the operational processes

· Ensure ongoing service and network performance meets specified
criteria

· Notification of performance degradation and suggest
reconfigurations to improve service

· Suggest reconfigurations based on market, customer and service
requirements

· Liasing with customer relations management

· Liasing with service and network planning and development in the
developing of the plans for extensions and changes of services or the
network

· Recommendations that initiate Service- and Network- Configuration

· Performance failure trend analysis to find chronic failures

· Recommend service re-design to avoid service quality problems or
capacity problems

Technical Competence:

· Hands on experience of SMSC & OMG Logica CMG (Acision) system
administration and O&M tasks

· Hands on experience / Excellent knowledge in Anti-Spam Acision
(Open mind)

· Hands on experience / Good Knowledge in Generic Billing Gateway
(GBG)

· Hands on experience / Good Knowledge in Message Plus (M+)

· Good Knowledge in CMS operations

· Good Knowledge in HP-SMSC / Mbalance (Tekelec) operations

· Knowledge in other VAS services and Network- Configuration

· Knowledge in IP

Required education and experience:

· The Service Engineer should have a degree in Electrical
Engineering/ Telecommunication Engineering/Computer Science/Computer
Engineering or equivalent.

· Have a minimum 3-4 years of experience in Operation and
Maintenance.

· Experience within Datacom and Telecom Networks

*

Submit CV directly to hk@sis-limited.com

Regards,
Hasan Kaji
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4a.

Help || Anyone has correct dumps for JN0-360

Posted by: "Arvin D. Enerio" arvin_enerio@yahoo.com   arvin_enerio

Mon Apr 16, 2012 7:37 am (PDT)



Good day to all,

Would like to ask if some of you have any correct dumps for JN0-360? JNCIS-SP.

 
Best regards,
 
Arvin D. Enerio

________________________________
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5.

Sharing || A few words about Afghanistan

Posted by: "misbah uddin abdullah" misbahuddinabdullah@yahoo.com   misbahuddinabdullah

Mon Apr 16, 2012 7:40 am (PDT)



Dear All,

Recently I have received alot of queries from several guys regarding Kabul & Afghanistan.
I thought of sharing it on zumbeel/groups so that its beneficial for more people.

First things first. Kabul is quite safe. Dont be taken away by media canvassing etc. Even yesterday's attack, which media was showing as if entire Kabul was effected, resulted in little expat casuality. The key point to remember is that, almost always; the target areas are embassies & NATO bases. You wont be going there as per your job requirement, so its not an issue. Even if you do go there, notice that no expat was killed yesterday!

Outside Kabul, its still safe as long as you exercise caution. I know Pakistani guys who have been in Afghanistan for more than four years & doing field implementation, & have never received a scratch. North is extremely beautiful & South is overall safe- minus Helmand in nights. No company will ever ask you to be in Helmand in night!

Weather of Kabul is awesome- just like Muree. Its 100 times better than Lahore & Islamabad in summer. 
You can find cooks who will cook Pakistani dishes.

A quick word on market update:

There are four GSM operators in Afghanistan. Roshan, Etisalat, MTN & AWCC. Roshan leads with Etisalat not too far behind. 
Etisalat recently launched 3G in Kabul. Most other operators will be catching soon. 
@ this moment, its a good idea to join Roshan, MTN or Etisalat if you wanna earn hands on 3G experience. 

Secondly, MTN has given E2E Managed Services to Ericsson. This is a good time to enter Ericsson if its your dream company.

The only two points of caution are:

The cost of living is hell high. So if you forget to put something in your luggage bag, you will pay it dearly. Doctors are very few, & American/expat doctors are insanely expensive. Better go to your home country, get treated & return. There have been several cases when local doctors spoiled simple cases of fever, headache. Try avoiding local doctors as much as possible.

The medicines are difficult to find. They come either from Pk or Iran. In any case, its quality is pathetic. Companies are openly exporting sub standard medicines to Afg @ extremely high prices.
Better to take most medicines of common usage with you. I have seen mostly people suffering from indigestion ( I dont know why), fever, flu and headache.  

Finally, Afghans are humble, conservative and nice people. Never judge them using BCC/CNN. They are frank, friendly & honest. I am yet to find a community that is 100% honest. Bad people are in every society. My interaction with locals so far has been extremely good. I dont remember a single instance of dishonesty with me.

You should learn a few words of Persian before leaving for Kabul. Most Pathans also speak Darri ( a variant of Persian) in Kabul. So only knowledge of Pashtu may not help. 
I find Pashtu tough to learn as compared to Darri. 

Below site has good simple tutorial for learning basic Darri

http://learnfarsilanguage.blogspot.com/2010/02/watch-all-videos-of-persian-language.html

All the best,
 Assalamoalekum
MisbahUddin Abdullah
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6.

Sharing || IT Job Vacancies || KSA

Posted by: "Jahan Zaib Saleem" zaib29@gmail.com   zaib616

Mon Apr 16, 2012 7:41 am (PDT)



AS RECIVED****

*As received from a friend ...*****

****

we have many IT vacancies on urgent mobilization kindly check below mention
position and apply for your suitable post candidate must be minimum 3 years
local experience(KSA) This project is on longterm basis in a well reputed
organization.so kindly send your CV's on email address metioning your Job
Description in CV as well as in mail subject****

* *****

*IT JOB vacancies on urgent mobilization-3 years local experience(KSA)*****

1. Senior Technical Support Specialist ****

2. Technical Support Specialist ****

3. Hardware Support Specialist ****

4. Help Desk Specialist ****

5. Help Desk Analyst ****

6. Senior Oracle Apps DBA ****

7. Senior Oracle Application Developer ****

8. Senior Linux Administrator ****

9. Senior Database Administrator ****

10.Senior Hardware Engineer ****

11.Senior Network Engineer ****

12.Senior Wireless Engineer ****

13.Network Cable Technician ****

14.Web Designer ****

15. IT Project Management Coordinator ****

16. IT Document & Library Clerk ****

*Kindly send your cv,s as soon as possible on below mention email address
and mention applying position in subject as well as in cv*****

****

*Sayeed *****

*sayeedbaosman@gmail.com*****

** **

--

Best Regards,,,

*Jahan Zaib Saleem*

http://telecom-life.blogspot.com/
http://zumbeel.net/blog/whatithink/
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