Network Synchronization Planning and Deployment Considerations for the Converged Network

Network Synchronization Planning and Deployment Considerations for the Converged Network pdf
Conclusions:

• Synchronization Service planning and monitoring are essential
• Addition of Timing over Packet synchronization delivery techniques increases the challenges
• Automated tools for planning, characterizing, and monitoring the synchronization paths can provide significant assistance 
• Efficient correlation between path routing, traffic loading, and ToP performance

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Time and Frequency Measurements in Synchronization and Packet Networks

Time and Frequency Measurements in Synchronization and Packet Networks PDF


Introduction
Synchronization “TIE” vs. packet “PDV” measurements
Measurement equipment overview
Synchronization Measurements
Measuring TIE
Analysis from TIE
Packet Metrics
Packet delay distribution
Tracked packet delay statistics
Frequency transport metrics
Time transport metrics
Case Studies
Asymmetry in microwave, SHDSL, wireless backhaul
Metro Ethernet network
National Ethernet network

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Networking Manager Opening @ Leading American IT Company @ Delhi NCR

Opening for Networking Manager for one of our American Remote IT Infrastructure Company based at Delhi NCR – Gurgaon, India.

Job Title : Networking Manager – 10 Yrs + Experience

Work timings – 3pm to 11pm

Job Location: Delhi NCR - Gurgaon, India

Who We Are:


Our client is a (NASDAQ Listed Company)--With more than a decade of experience, to provides the industry’s only one vendor solution for the complete spectrum of application and technology services. The company radically simplifies how organizations approach technology through new services architecture designed specifically to reduce the complexity associated with managing multiple applications, IT infrastructure and content delivery & provides customized and scalable solutions leveraging its broad range of application development capabilities, packaged software implementation expertise, deep portfolio of best in class technologies and a full suite of web-hosting and internet infrastructure options.


For the first time, organizations can turn to one trusted partner to have their entire infrastructure, application and content delivery needs met. Today, nearly 1,000 organizations around the world have bet their businesses to our client based on the efficiencies and returns inherent in working with a single-source provider of IT services. With 17 state-of-the-art data centers and eight major office locations across the U.S., U.K., and India, Our client is an Oracle Certified Advantage Partner (the highest level), as well as, a Microsoft Gold Certified Partner.


Job Details

Work timings – 3pm to 11pm

Overview:

The Manager plays a critical role managing daily operations of the Support Center as well as in the execution and sustenance of Problem and Change Management. The position is managing all 1st line Customer support for Our Client.

The Manager position is critical to maintain a stable balance on the shift & maintain standardization between all shifts.

The Manager handles the escalation of all Customer and Internal changes and any corrective actions that are required.

Job Functions & Responsibilities:


Job Description


The Manager is responsible for contributing to the design of the data center networks, and architecting and implementing network solutions for customers within our facilities. Remotely configure and maintain network equipment such as routers, switches, load balancers, firewalls and VPN Concentrators. Experience with designing and implementing large-scale networks, network routing, switches, and internet-related networking and security technologies are required for this Senior Network and Security Engineer position. In this position you will perform network and host-based security and risk assessments, design and implement security-related improvements/enhancements to customer and internal networks and work with network and systems engineers in implementing security infrastructure components. You will be part of a team that designs, implements and tests Internet Commerce sites, provisions VPNs, develops intrusion detection and firewall management architectures.


What We Are Looking For: BS in Computer Science, Computer Information Systems preferred, plus 6 or more years of hands-on experience in designing and implementing security policies and infrastructure in a multi-customer ISP Data environment. Experience with designing and implementing large-scale networks, network routing, switches and internet related networking and securities technologies.


- Experience with networking equipment such as high end Cisco Routers and switches, Juniper Routers, particularly in a fully meshed, fault-tolerant Gigabit Ethernet environment. Experience with OSPF and HSRP is required.

- Experience with BGP, ISIS, EIGRP, Radius, Tacacs+ and SNMP would be a plus.

- Strong experience in network and systems security, not only a key understanding of overall concepts, but also the ability to implement policies, processes and develop solutions to network and security problems.

- Experience administering and deploying network firewalls, such as Netscreen, Checkpoint, Nokia, Cisco Pix and Cisco ACLs.

- Experience administering and deploying network load balancers, such as Alteon, Cisco CSS11xxx, Foundry, F5 BigIP, and Netscaler.

- Ability to document processes, procedures and network designs clearly and accurately not only within our group to share the knowledge and understanding of our own systems, but also for distribution to other internal teams and to our customers.

- Understanding of Public Key Infrastructure and encryption.

- Exposure to some of the following tools: Snort, Nessus, nmap, ntop, NA/Sniffer Pro, snoop, tcpdump, ethereal and other Open Source tools.


Please note that these are immediate openings and has very attractive compensation packages attached to it. If it makes you ponder then please do act by reverting back immediately with your updated CV in Ms.Word format mentioning your Current & Expected CTC, Notice Period ... and grab the offer.
For more info call us for further discussion.

Awdhesh I Brainsearch Consulting - Your Recruitment Partner I
__________________________________________________
Noida, UPEmail I itpeople@brainsearchindia.com
Website I www.brainsearchindia.com

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Network Expert / TL - World's Leading IT / Telecom Company Based at Delhi NCR

Opening for Network Services Expert Engineering for one of our World’s Leading IT /Telecom Company based at Delhi NCR. If you would be keen for change, please email us profile  asap.

Our client has 30,000 employees in 166 countries and territories across the world, and our job roles are just as diverse. In 2009 we were named Best Managed Services Provider and Best Asian Telecom Carrier at the Telecom Asia Awards. We also were recognized as Data Communications Service Provider of the Year and Managed Service Provider of the Year at the Frost & Sullivan APAC ICT Awards 2009.

As the global leader in integrated communications, our client Business Services operates the world’s largest seamless voice and data networks, with local support in 166 countries servicing more than 3,750 multinational customers. Our client regional presence and our local offices all around the world: in North America / Latin America / Middle East and Africa / Europe / France / Asia Pacific

1.Scope / Function : Network Services Expert Engg - Delhi
Reports to : Head Network Services Expert - Delhi

Mission / Role purpose

To provide highest level technical support on all backbone networks and platforms .
To plan , propose and execute operational projects and to lead vendor management activities by coordinating with Engineering, planning and vendor for continuous improvement of backbone network performance.

Key Accountabilities :

- Lead the Fault management of highly critical and complex problems as a member of the highest level expert support team.
- Propose and execute continuous improvement plans for resolving recurrent backbone network issues and improvement of Client International backbone network infrasrtucture in a proactive manner
- Coordinate with OBS Engineering/Planning Departments to resolve capacity, design and other complex issues within the Network by planning, participating and executing new projects successfully
- Lead the vendor management activities as network operation entity by working closely with Engineering for platform specific problems and resolving Software bugs associated with Vendor platforms.
- Create and communicate effectively Technical Advisories on vendor bugs and workarounds to all provisioning and customer facing support entities to sync up with their process and maintain transparent flow of information.
- Support the “Head of Network Services Experts “to implement new and follow existing operational procedures to ensure network efficiency and availability.
- Dual validate and support High impact ,major and complex changes to the Network infrastructure as a part of Network Change Management Process and drive change management quality audit initiative.
- Provide network operations feedback to the management as well as active participation in Network related projects.
- Ensure on-the-job training for all products and services required for daily operations by creating related documents, presentations etc for knowledge management within iBNF operation including level1 and level2 teams.
- Knowledge sharing within OBS by using the official data repositories assigned such as Lotus Notes databases, Intranet Web sites, Fault and Change Management tools
- Maintain a thorough understanding of the tools, systems, and processes required to provide top notch technical support and a swift problem resolution.
- Manage projects related to new software, hardware or services release in the production network (voice and IP).

•To asses the impact of any network issue and escalate to management appopriately
•To assess the impact and complexity of the problem and engaing right support team for next level support
•To take a decision on change fallback or go ahead based on customer impact and status of the change implementation
•To decide on technical development plan for a particular domain by taking current technical skills in to consideration

Key Result / Decision areas (outcomes)

- Provide highest level technical support to resolve all Backbone Network/customer events/issues/cases referred to the group by level 2 operational support team and also by network operation center to accomplish outstanding Customer experience and to meet organization specified objectives.
- Proactive initiatives to alleviate potential risk in the operational network.
- Problem management to reduce the number of repeated incidents in the network.
- Managing the suppliers by technically challenging them to ensure best support for the organization.
- Release updated technical advisories to proactively alert all internal stakeholders about identified bug or problems.
- Risk mitigation due to disruptive network changes and ensure continual improvement of Change management activation process.
- Effective knowledge management of the operational team to ensure availability of backbone support for the services offered to OBS customers.
- End to end knowledge sharing for whole iBNF operation teams.
- More effective backbone support for complex problems.
- Effective release management with zero impact to operational network.
- Improved network availability
- Improved Change management success rate
- Improved CSAT

2. Essential Role Related Knowledge, skills, certifications, and experience

Knowledge And Abilities

Excellent knowledge of communication standards and OSI/commercial protocols as follows:
Network Technologies - MPLS, IP, PPP/IP Dial, IS-IS, RIP, OSPF, BGP4, M-BGP, ISDN, SDH/SONET, ATM, Frame-relay, IPV6, VoIP, SIP, SS7, ISUP, L2VPN / VPLS, Multicast etc.
Hands on experience on UNIX platform. Good level of knowledge in scripting (PERL, EXPECT, TCL etc)

Expert level of knowledge and hands on troubleshooting experience on one or more than one of the following technologies:

•High end CISCO Routers,
•Voice (TDM,VoIP), NGN, Alcatel routers.
•GateKeeper, SIP
•Excellent Analytical and troubleshooting skills. Good understanding of Telecom Service providers Networks and Services
•Experience in vendor management role as a member of highest technical support team

Education, Qualifications, And Certifications

University degree or equivalent experience (Computer or Electronics or Telecommunications or Networking).

Experience

- Minimum of 7- 8 years technical support experience in any telecom platform / environment within the telecom or IT industry preferably in telecom service provider backbone network.
- Project management experience.
- In depth hands on technical knowledge and exposure to high end core network elements.

If you wish to apply for this opportunity, then kindly send across your updated profile mentioning for which position you are applying, with the below details;

Reason for Change:
Is Job Location (Gurgaon / NOIDA), Ok?
Current CTC:
Expected CTC:
Joining Time Required:

Thanks & Regards,

Anjali – IT Consultant
Brainsearch Consulting Firm - Your Recruitment Partner
E-Mail- anjali@brainsearchindia.com
Company URL- www.brainsearchindia.com

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NETWORK ARCHITECT OPENING WITH MNC (LOCATION : HYDERABAD)

Multiple openings for Netwrok Architects with MNC

 

Location is Hyderabad

 

 Other details

Job Title

Network Architect

Relevant Experience

7 – 10 yrs

Responsibility:

• Design and Architecture of infrastructure with latest technologies to keep up with industry
• Collaborates to develop respective technical domain roadmap
• Implements road map with adherence to technology strategy including best practices
• Contributes to execution plans and executes technical infrastructure projects to upgrade or refresh supported systems
• Develops documentation including processes and procedures for consistent maintenance and support
• Develops utilities to automate repetitive tasks to reduce time of support
• Identifies and leverages best practices among Engineering staff as well as within peer teams

Requirements:

• Develops self & others through Coaching, Contributing to Team Success, Continuously Learning and Sharing Knowledge
• Builds and Sustain Relationships, Manage Projects and Change Agility
• Understands the product/technology lifecycle, follow end-of-life and provide recommendation for changes/upgrades
• Demonstrates tactical ownership for the management and support of assigned infrastructure areas participating in initiatives to maintain a secure and effective technical infrastructure service
• Demonstrates high analytical skills and is self-motivated/directed
• Applies standards consistently across all solutions
• Develops and contributes to policies, standards and procedures, and documentation of best practices/process improvements
• Ability to successfully complete and resolve complex, non-routine solution designs to address customer requirements
• Demonstrates strategic foresight while employing hands-on technical skills on projects and work assignments
• Demonstrates ability to develop, organize and analyze performance metrics in their given function
• Demonstrates ability to develop, communicate and educate on standard operating procedures within their given function
• Delivers by possessing productivity, professionalism, customer service attitude, attention to detail and quality; ability to multitask; team focus, strong interpersonal skills, strong verbal and written communication skills and adherence to Firm’s standard operating procedures
• Demonstrates ability to adapt to a rapidly changing environment and ability to take direction from multiple areas
• Demonstrates strong skills utilizing documentation and presentation tools such as Visio and PowerPoint
• Demonstrates deep knowledge of and experience with technical infrastructure
• Demonstrates tactical competencies within a technical domain of the Firm's Infrastructure
• Identifies and leverages best practices among IT staff as well as within peer teams
• Actively and regularly participates in team meetings
• Demonstrates ability to train on and document technical concepts and procedures and cross trains others on these areas of expertise

Skills Required

• Possesses hands-on knowledge and experience in installing / configuring / operating

• Design Enterprise Network, Implementation and Upgrades
• Familiarity with Cisco routers & switches, Nexus switches
• Configuring VPN farms, Radius, Web based SSL connections and RSA
• Configuring Cisco Wireless Access points & controllers
• Cisco Load Balancers and ACE modules
• Designing and configuring Juniper firewalls and clustering
• Familiarity with content management and convergence
• Understands vulnerabilities, follow the security bulletins, recommend, test and implement security fixes, changes in the versions and releases
• Expertise in LAN and WAN technologies to provide advanced troubleshooting and escalation support
• Familiarity with tools like CiscoWorks, Concord eHealth, HP NNM
• Familiarity on using and working with Netscout probes & packet sniffers
• Familiarity in configuring QOS, rate-limits

Additional Skills

• Preferred CCNP / CCIE certification

 

Regards,

V.Chandramowleeswaran

TMI Network

MAIL CV AT : chandra.mas@tminetwork.com

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IP backhaul drive new sync solutions

Changes in base station backhaul drive new sync solutions PDF


As more mobile network operators deploy high-speed data services using IP backhaul, the need for stable and accurate frequency reference becomes more critical. This need is particularly apparent for applications such as successful hand-offs between base stations and the transport of real-time services.

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ITU-T G.8261/Y.1361

ITU-T G.8261/Y.1361 pdf

This Recommendation defines synchronization aspects in packet networks. It specifies the
maximum network limits of jitter and wander that shall not be exceeded. It specifies the minimum
equipment tolerance to jitter and wander that shall be provided at the boundary of these packet
networks at TDM interfaces. It also outlines the minimum requirements for the synchronization
function of network elements.

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ITU-T G.825

ITU-T  G.825 pdf

The scope of this ITU-T Recommendation is to define the parameters and the relevant values that are able to control satisfactorily the amount of jitter and wander present at the SDH network-network interfaces (NNI).
SDH network interfaces, to which this ITU-T Recommendation is applicable, are defined in terms of bit rates and frame structures in ITU-T Recommendation G.707; their electrical characteristics are described in ITU-T Recommendation G.703 and the optical characteristics in ITU-T Recommendations G.957 and G.691.
Additional information regarding the architecture of SDH networks is found in ITU-T Recommendation G.803.
Jitter and wander requirements for PDH and synchronization networks are specified in ITU-T Recommendation G.823, for networks based on the first level bit rate of 2048 kbit/s, and in ITU-T
Recommendation G.824 for networks based on the first-level bit rate of 1544 kbit/s.

The jitter and wander control philosophy is based on the need:
–- to recommend a maximum network limit that should not be exceeded at any relevant
interface;
– -to recommend a consistent framework for the specification of individual digital equipment
(i.e. jitter and wander transfer, tolerance and generation requirements);
–- to provide sufficient information and guidelines for organizations to measure and study jitter
and wander accumulation in any network configuration.

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ITU-T G.823

ITU-T G.823 PDF

The control of jitter and wander within digital networks which are based on the 2048 kbit/s hierarchy.

This ITU-T Recommendation specifies the relevant parameters and their limiting values that are able
to satisfactorily control the amount of jitter and wander present at Network Node Interfaces (NNI) of
Plesiochronous Digital Hierarchy (PDH) and synchronization networks which are based on the firstlevel
hierarchical bit rate of 2048 kbit/s.
This ITU-T Recommendation also specifies the jitter and wander requirements at PDH
User-Network Interfaces (UNI). However, particular terminals or services may have additional jitter
and wander requirements and in those cases the relevant ITU-T Recommendations shall apply.
Requirements for NNI of PDH and synchronization networks which are based on the first-level
hierarchical bit rate of 1544 kbit/s are specified in ITU-T Recommendation G.824 and requirements
for Synchronous Digital Hierarchy (SDH) NNI are specified in ITU-T Recommendation G.825.
The jitter and wander requirements specified in this ITU-T Recommendation are applicable to the
interfaces irrespective of the underlying transport mechanism (PDH, SDH or ATM networks, for
example).
The jitter and wander requirements for an interface will be different, depending on whether the
signal at the interface is used to transport traffic and/or synchronization. The requirements for both
traffic and synchronization interfaces are specified in this ITU-T Recommendation in the appropriate
clauses.
A synchronization network that conforms to the network limits for jitter and wander specified in this
ITU-T Recommendation will be suitable for the synchronization of SDH and Public Switched
Telephone Network (PSTN) networks.
This ITU-T Recommendation also specifies the jitter and wander requirements for interfaces using
the generic frame structures at PDH rates as defined in ITU-T Recommendation G.832.
The electrical characteristics of the relevant PDH network interfaces are defined in ITU-T
Recommendation G.703.
The jitter and wander control philosophy of this ITU-T Recommendation is based on the need:
a) to specify a maximum network limit of jitter and wander that shall not be exceeded at any
relevant interface;
b) to specify a minimum equipment tolerance to jitter and wander that shall be provided at any
relevant interface;
c) to establish a consistent framework for the specification of individual digital equipment
types; and
d) to provide sufficient information and guidelines for organizations to measure and study jitter
and wander characteristics in any network configuration.

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Network Synchronization Planning Guide

Network Synchronization Planning Guide  pdf

The objective of synchronization is to enable the service provider to transport data without losing any bits or frames of data. To achieve this desired level of synchronization integrity the service provider must deploy a synchronization network to effectively distribute Stratum 1 timing to all digital equipment in the network.

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Avoiding synchronization problems in SDH networks

Avoiding synchronization problems in SDH networks pdf

Network synchronization is a fundamental issue facing installers and maintainers of SDH
equipment. Increasingly complex SDH networks have placed even greater demands on network-wide synchronization, where transmission quality is directly related to the accuracy and performance of network timing.
A timing hierarchy where the primary reference clock (master clock) is poorly distributed to network elements (NEs) lower down the hierarchy can seriously impact network performance. At best, there may be an increase in pointer activity resulting in increased tributary jitter as pointer hits filter down through the network. At worst, excessive pointer activity may lead to the corruption or even loss of payload data.
This application note describes the key measurements required to ensure network synchronization is maintained and discusses the reasons for performing them.

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NETWORK analyst required for IP TELEPHONEY NETWORK - GSM - GURGAON

Network Analyst for Senior Level with my client based in Gurgaon.

REQUIREMENT FOR THE POSITION

• At least 8-10 years experience in Telecom.
• Minimum 2 years of experience in Operation & Maintenance implementation / integration / operation / support or testing environment.
• Preferably at least 1-2 years of experience from activities in a managerial position.
• Demonstrated leadership skills.
• Fluent in English (both in writing and speaking).
• Excellent interpersonal, communication and presentation skills.
• Independent self-motivated and well organized with analytical mind.

COMPETENCY FOR THE POSITION

• GSM Telecommunications knowledge with telephony switching principles, traffic concept, telecommunication networks, signaling and product functional demands.
• Good knowledge of network performance / configuration parameters and their interpretation and use.
• Extremely good knowledge in Access, Core, OSS, IN, VAS services, Transport Networks and their implementation approaches.
• Extremely good knowledge in IP network and understanding of LAN/WAN infrastructure, switches, routers and firewall.WirelessController,

VLAN/DHCP/DNS/VPN/Proxy/Device,Authentication/Certificates and
• Scripting for efficient Monitoring/Logging/Reporting and usability in Core, IN and VAS networks.
• Knowledge IP Telephony (VoIP), IP VPNs. QoS in the Packet-based Networks. MPLS/G-MPLS
Other (optional)
• A very good knowledge on state of the art network monitoring methods/techniques and tools (TeMIP, NetCool, MRTG)
• Good exposure to business process rationalization using ETOM and ITIL process framework
• Ability to provide interface with Design and planning team for capacity build up and new features

COST TO POSITION: Would be as per exposure with the matching skill set

BR// ANURAG // 9013318850

mail cv  at :atiwari@visnovasolutions.com

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IP/MPLS in the Mobile Radio Access Network (RAN)

IP/MPLS in the Mobile Radio Access Network (RAN) pdf

Includes:
1. Introduction to the IP/MPLS Forum
2. MPLS in the RAN Backhaul

Issues, trends, and enablers of the transition to IP/MPLS in evolving
RAN backhaul architectures
3. MPLS Basics

MPLS fit and operation in the mobile RAN network and the support of
end-to-end SLAs, QoS, and high availability features
4. MPLS Pseudowires

The latest Pseudowire (PWE3) enablers for legacy network migration
(TDM and ATM) and their operation over IP/MPLS RAN backhaul
networks
5. MPLS OAM and Protection

Operations, Administration and Management (OAM) capabilities of
IP/MPLS RAN backhaul networks
6. Packet Synchronization and Timing
7. MPLS Mobile Backhaul Initiative – MMBI
8. IP/MPLS in the RAN

Source:Internet

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