DiffServ QoS Model

Thursday, May 15th, 2008 Posted in Cisco, QoS | No Comments »

Out of the three QoS models Differentiated Services (DiffServ) is the most used due to its scalability and ability to classify multiple levels of service.  The only real drawbacks of DiffServ ... Read more..

IntServ QoS Model - Advantages and disadvantages

Saturday, May 10th, 2008 Posted in Cisco, QoS | No Comments »

The IntServ, also known as 'Hard QoS', model was introduced to guarantee predictable network behavior for applications that require consistent, dedicated bandwidth for acceptable quality. Because IntServ reserves the bandwidth for ... Read more..

Qos acronyms part duex

Saturday, May 10th, 2008 Posted in Cisco, QoS | No Comments »

EF - Expedited Forwarding AF - Assured Forwarding CQ - Custom Queueing PQ  - Priority Queueing RTP - Real-Time Transport Protocol FIFO - First In First Out CEF - Cisco Express Forwarding CDP - Cisco Discovery Protocol DE ... Read more..

Some early review answers for the 642-642 QoS exam

Friday, May 2nd, 2008 Posted in Cisco, QoS | No Comments »

What is the 'best' solution for reducing delay on a link? increase the bandwidth of the link What are three characteristics of converged network traffic? constant small-traffic flow, time sensitive packets, and brief outages ... Read more..

A few QoS acronyms and definitions

Thursday, April 24th, 2008 Posted in Cisco, QoS | No Comments »

WFQ - Weighted Fair Queueing CBWFQ - Class-Based Weighted Fair Queueing LLQ - Low-Latency Queueing WRED - Weighted Random Early Detection ERP - Enterprise Resource Planning MQC - Modular Command-Line Interface QPM - CiscoWorks QoS Policy ... Read more..

Beginning my journey into the world of Voice over IP

Wednesday, April 23rd, 2008 Posted in QoS | No Comments »

So yesterday I decided to start studying for the Quality of Service (642-642) exam which is in the Cisco Certified Voice Professional (CCVP) certification track. I will be using the Cisco ... Read more..