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diff --git a/src/lib/http/http_types.h b/src/lib/http/http_types.h
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+// Copyright (C) 2016-2017 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef HTTP_TYPES_H
+#define HTTP_TYPES_H
+
+namespace isc {
+namespace http {
+
+/// @brief HTTP protocol version.
+struct HttpVersion {
+    unsigned major_; ///< Major HTTP version.
+    unsigned minor_; ///< Minor HTTP version.
+
+    /// @brief Constructor.
+    ///
+    /// @param major Major HTTP version.
+    /// @param minor Minor HTTP version.
+    explicit HttpVersion(const unsigned major, const unsigned minor)
+        : major_(major), minor_(minor) {
+    }
+
+    /// @brief Operator less.
+    ///
+    /// @param rhs Version to compare to.
+    bool operator<(const HttpVersion& rhs) const {
+        return ((major_ < rhs.major_) ||
+                ((major_ == rhs.major_) && (minor_ < rhs.minor_)));
+    }
+
+    /// @brief Operator equal.
+    ///
+    /// @param rhs Version to compare to.
+    bool operator==(const HttpVersion& rhs) const {
+        return ((major_ == rhs.major_) && (minor_ == rhs.minor_));
+    }
+
+    /// @brief Operator not equal.
+    ///
+    /// @param rhs Version to compare to.
+    bool operator!=(const HttpVersion& rhs) const {
+        return (!operator==(rhs));
+    }
+
+    /// @name Methods returning @c HttpVersion object encapsulating typical
+    /// HTTP version numbers.
+    //@{
+
+    /// @brief HTTP version 1.0.
+    static const HttpVersion& HTTP_10() {
+        static HttpVersion ver(1, 0);
+        return (ver);
+    };
+
+    /// @brief HTTP version 1.1.
+    static const HttpVersion& HTTP_11() {
+        static HttpVersion ver(1, 1);
+        return (ver);
+    }
+
+    /// @brief HTTP version 2.0.
+    static const HttpVersion& HTTP_20() {
+        static HttpVersion ver(2, 0);
+        return (ver);
+    }
+
+    //@}
+};
+
+} // end of namespace isc::http
+} // end of namespace isc
+
+#endif