Advanced MPLS Design and Implementation by Vivek Alwayn

By Vivek Alwayn

I have to admit that i used to be fairly at a loss for words by means of this ebook. MPLS isn't my most powerful zone of analysis - this e-book didn't aid my development of information. this isn't a e-book to learn from cover-to-cover, yet top learn because the standards come up. i feel the writer was once quite biased in the direction of 'pro-Cisco'. i didn't see any point out of the functionality degradations that could accompany MPLS implementations. additionally, i believe the ebook wanted a second grammatical editor, because the total 'flow' of the ebook was once nonevident. I provide this booklet three pings out of five: !!..!

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An MPLS node can obtain all the information it needs to forward a packet as well as determine resource reservations needed by a packet using a single memory access. This high-speed lookup and forwarding ability makes label switching a high-performance switching technology. MPLS can also be used to transport other Layer 3 protocols such as IPv6, IPX, or AppleTalk apart from IPv4. This property makes MPLS attractive with respect to the migration of networks from IPv4 to IPv6. Control Plane The MPLS control plane is responsible for populating and maintaining the LFIB.

The Internet Engineering Task Force (IETF) via the internetworking over nonbroadcast multiaccess networks (ION) working group, and the ATM Forum via the multiprotocol over ATM (MPOA) group, have provided standards for the integration of IP over ATM. The work of these groups has focused mainly on how the capabilities of ATM and IP can be leveraged to provide a solution, resulting in the proliferation of IP networks overlaid on an ATM infrastructure. IP and ATM are two completely different technologies.

QoS has given ATM the multiservice capability to offer separate classes of service for voice, video, and data. Frame Relay services are also offered over ATM backbones, utilizing the ATM-to-Frame Relay interworking function (IWF). This has led to the extensive deployment of Frame Relay Virtual Private Networks. The relationship between IP and ATM has been a source of great contention and debate. Both technologies are widely deployed, and each has its strengths. The Internet Engineering Task Force (IETF) via the internetworking over nonbroadcast multiaccess networks (ION) working group, and the ATM Forum via the multiprotocol over ATM (MPOA) group, have provided standards for the integration of IP over ATM.

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