Scalable LOB Networking Architecture in Azure

Mesh and Hub-and-Spoke Architectural Considerations using Virtual Network Peering in Azure Most organizations solve their need for network connectivity between various business units by creating a mesh network architecture among the various virtual networks. All nodes in the network are interconnected, so network traffic is fast and can be easily redirected as needed. This topology…


Designing Scalable Blockchain Networking Topology in Azure

Considerations for Designing Scalable Blockchain Networks using Virtual Network Peering in Azure One Azure customer asked us for help creating a mesh network topology to support a Blockchain consortium. Blockchains are distributed transactional systems that allow assets and investments to be exchanged based on smart contracts and predefined ledgers. In this scenario, four business partners…


Mesh and Hub-and-Spoke Networks on Azure: Architectural Considerations for Virtual Network Peering

We are excited to announce the availability of a new whitepaper (http://aka.ms/HubAndSpoke) that addresses scalable networking architecture design in Azure. In this paper, we focus on two networking topologies: Mesh network architecture and hub-and-spoke network architecture. In this whitepaper, we look into these two main network topologies used by Azure customers. We discuss their applications in…


Azure Log Analytics: Queries, the basics explained – Part 1

Sometimes I’m guilty of jumping in to the deep-end and skipping the basics. Update: This post end up in four parts: Part1 Part2 Part3 Part4 I spend all my time in the Advanced Analytics portal, as originally Log Search was a single line syntax. I much prefer multi-line syntax: Perf | where TimeGenerated >= ago(2h)…


Open API Testing Console

(※ 2017年12月14日公開時点の情報となります。) Cognitive Services 開発サポートチーム いわいだです。 2017年 12月14日現在、Cognitive Services として提供している製品には、以下のように多数ものがあります。まだ、プレビュー段階の製品が半数近くありますが、早い段階で実際に触ってみて、どんなことができるのかを体験し、ぜひアイデアを膨らませてわくわくするようなモノを作っていただきたいです。 (下図は https://docs.microsoft.com/en-us/azure/#pivot=products&panel=cognitive より抜粋)   今回は、前述の 「実際に触ってみて」 の機能についてご紹介します。Cognitive Services では、実際に細かなコーディングを行わなくとも、API をテストをできるインターフェース (Open API Testing Console) を提供しています。以下に Computer Vision サービスの場合での利用方法をご紹介します。 Computer Vision サービスの場合は https://azure.microsoft.com/ja-jp/try/cognitive-services/ から、まず無料の API キーの取得を行います。 API キーの取得までの画面操作は以下のような感じです。 1.API キーの取得をクリック 2.内容を読みチェックボックスを ON にして次へ 3.ご利用のアカウントを使ってログイン 4.以下の画面が出れば API キーの取得は完了! [キー1]、[キー2] の横にある16進数の文字列が取得したキーとなります。 続いて、実際に API のテストを行ってみましょう。 上の画像にある Computer Vision API…


Postmortem – Availability issues with Visual Studio Team Services on 16 November 2017

On 16 November 2017 we had a global incident with Visual Studio Team Services (VSTS) that had a serious impact on the availability of our service (https://blogs.msdn.microsoft.com/vsoservice/?p=15526). We apologize for the disruption. Below we describe the cause and the actions we are taking to address the issues. Customer Impact This was a global incident that…


Azure Log Analytics: Finding CPUs with perf counters

Today I saw a question on how find the count of CPUs that a server has, maybe you need this for licensing or maybe just for inventory purposes.  I remember looking at this before… The easiest way I’ve found (unless you know different) was to convert a syntax I used in the old query language…


Web Hack Wednesday Series 3

This article is now hosted at http://martink.me/articles/web-hack-wednesday-series-3 All blog articles will be hosted on http://martink.me going forward


SQL Server Linux: Distributed transactions requiring the Microsoft Distributed Transaction Coordinator service are not supported on SQL Server running on Linux. SQL Server to SQL Server distributed transactions are supported. – CLARIFIED!!!

  SQL Server 2019 CTP2 SQL Server 2019 adds broad support for distributed transactions (both MSDTC/OLE-TX and XA) to SQL Server on Linux.   SQL Server 2019 on Linux enables the MSDTC service in SQLPAL providing distributed transaction capabilities on Linux alongside our SQL Server on Windows counterpart, supporting MSDTC/OLE-TX and XA transaction types. You can…


GUI Designer – Small Basic Featured Program

Today I’d like to introduce GUI Designer which is created by Roshan Kumar Priya who is a 7th grade student (age 11). This program allows you to create Small Basic GUI.  And the description by Roshan is: GUI in Small Basic is a Graphics editor used to draw basic objects like Ellipse, Rectangle, Controls etc….