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Unregenerate 20160814 – The Week Gone By or To Come
Looking backward at last week or forward into next week.
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Segment Routing on JUNOS – The basics
Anybody who’s been to any seminar, associated with any major networking systems manufacturer or bought any recent study material, will almost certainly have come across something new called “Segment Routing” it sounds pretty cool – but what is it and why has it been created?
To understand this we first need to rewind to what most of us are used to doing on a daily basis – designing/building/maintaining/troubleshooting networks, that are built mostly around LDP or RSVP-TE based protocols. But what’s wrong with these protocols? why has Segment-Routing been invented and what problems does it solve?
Before we delve into the depths of Segment-Routing, lets first remind ourselves of what basic LDP based MPLS is. LDP or “Label Distribution Protocol” was first invented around 1999, superseding the now defunct “TGP” or “Tag distribution protocol” in order to solve the problems of traditional IPv4 based routing. Where control-plane resources were finite in nature, MPLS enabled routers to forward packets based solely on labels, rather than destination IP address, allowing for a much more simple design. The fact that the “M” in MPLS stands for “Multiprotocol” allowed engineers to support a whole range of different services and encapsulations, that could be tunnelled Continue reading
SDxCentral Weekly News Roundup — August 12, 2016
The Broadband Forum brings NFV into the home.
Quiz #25 – Troubleshooting IPsec Authentication Headers (AH)
Your company has an IPsec tunnel with another company for achieving network connectivity between servers in 10.10.10.0/24 on your side to 10.20.20.0/24 on theirs. Lately they complained that their equipment has problems dealing with ESP and requested to migrate this existing IPsec tunnel from Encapsulating Security Payloads (ESP) to Authentication Headers (AH), since encryption/confidentiality was never a requirement for this tunnel. What could go wrong ?
Docker Weekly | Roundup
This week, we’re taking a look at how to quickly create a Docker swarm cluster, setup a mail forwarder on Docker, and better understand the new Docker 1.12.0 load-balancing feature. As we begin a new week, let’s recap our top 5 most-read stories for the week of August 7, 2016:
Worth Reading: Email optimization
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The telecom money pit: How to use audits to find significant discrepancies and big savings
This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter’s approach.
Analysts estimate that 10% to 20% of telecom charges are billed in error, and the financial impact can range from a few dollars to tens of thousands of dollars a month.
On any given monthly statement the items being over-billed run the gamut of services delivered by the provider, and can include charges for invalid circuits, billing disputes, contractual issues, fraudulent charges, set-up fees and improper rates. These charges can appear on the invoice or can be buried within the bundled services comprising monthly recurring charges.
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Do you trust your cloud provider? Addressing these questions will help put you at ease
Although vendor-written, this contributed piece does not promote a product or service and has been edited and approved by Network World editors.
Finding a cloud provider you can trust has become a major responsibility. Cloud providers come in all shapes and sizes—from global organizations delivering a range of services to small shops specializing in a limited number of capabilities. To normalize the differences you need to ask consistent questions about key issues.
Security should be at or near the very top of your list, with their answers providing the transparency which will help build trust. An essential first step is to avoid making assumptions on what security is and isn’t with respect to a provider. Every provider is different, with different rules, service-level agreements (SLAs), and terms and conditions. Make sure you thoroughly understand what each service provider commits to you, the customer.
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